CN109495879B - Resource allocation method, base station and terminal - Google Patents

Resource allocation method, base station and terminal Download PDF

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Publication number
CN109495879B
CN109495879B CN201710814490.2A CN201710814490A CN109495879B CN 109495879 B CN109495879 B CN 109495879B CN 201710814490 A CN201710814490 A CN 201710814490A CN 109495879 B CN109495879 B CN 109495879B
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reference signal
information
uplink reference
terminal
antenna
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CN109495879A (en
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黄秋萍
高秋彬
塔玛拉卡·拉盖施
李辉
陈润华
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/22Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24Transfer of terminal data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/51Allocation or scheduling criteria for wireless resources based on terminal or device properties

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a resource allocation method, a base station and a terminal, wherein the method corresponding to the base station comprises the following steps: receiving capability reporting information sent by a terminal, wherein the capability reporting information is used for expressing the antenna coherent transmission capability supported by the terminal; and configuring uplink reference signal resources for the terminal according to the capability report information. According to the invention, the terminal sends the antenna coherent transmission capability information to the base station, so that the base station can configure the uplink reference signal resource for the terminal according to the coherent transmission capability information, and thus, the uplink reference signal resource configured by the base station is more reasonable.

Description

Resource allocation method, base station and terminal
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a resource allocation method, a base station, and a terminal.
Background
In order to further improve MIMO (Multiple-Input Multiple-Output) technology, a large-scale antenna technology is introduced into a mobile communication system. By the large-scale antenna technology, the coverage range of wireless signals can be expanded to a practical range.
However, in an actual communication system, some terminals are limited to hardware implementation, and although a plurality of antennas can be supported, coherent transmission (coherent transmission) cannot be performed on all antennas due to the fact that phases of different antennas cannot be calibrated, that is, signals of multiple layers (layer or stream) cannot be transmitted simultaneously on the antennas. This may cause a problem of unreasonable resource allocation.
Disclosure of Invention
In view of this, the present invention provides a resource allocation method, a base station, and a terminal, so as to solve the problem of unreasonable resource allocation.
In order to solve the above technical problem, the present invention provides a resource allocation method, applied to a base station, including:
receiving capability reporting information sent by a terminal, wherein the capability reporting information is used for expressing the antenna coherent transmission capability supported by the terminal;
and configuring uplink reference signal resources for the terminal according to the capability report information.
Optionally, the method further includes:
receiving an uplink reference signal sent by the terminal;
determining a target precoding matrix used by the terminal for uplink transmission according to the signal quality of the uplink reference signal;
and sending the target precoding matrix indication information to the terminal.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
a total number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups including a specific number of antennas supported by the terminal is the value agreed by the terminal and the base station or the value determined according to the rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the configuring, according to the capability report information, an uplink transmission resource for the terminal includes:
configuring one or more uplink reference signal resources for the terminal, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the configuring, according to the capability report information, an uplink transmission resource for the terminal further includes:
sending first mapping relation information to the terminal, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And sending second mapping relation information to the terminal, wherein the second mapping relation information is the mapping relation information between the antenna port in the uplink reference signal resource and the antenna group in the capability reporting information.
Optionally, the configuring, according to the capability report information, an uplink transmission resource for the terminal includes:
configuring a plurality of uplink reference signal resources for the terminal, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the number of antennas contained in an antenna panel.
Optionally, the configuring, according to the capability report information, an uplink transmission resource for the terminal further includes:
and sending the mapping relation information between the uplink reference signal resource and the antenna panel in the capability report information to the terminal.
Optionally, the determining, according to the signal quality of the uplink reference signal, a target precoding matrix used by the terminal for uplink transmission includes:
traversing the precoding matrix of each element in a first set, determining a precoding matrix which enables the best quality of received signals to be the target precoding matrix, wherein uplink reference signal resources corresponding to the target precoding matrix are target elements, and the first set comprises the combination of the uplink reference signal resources and all the uplink reference signal resources; alternatively, the first and second electrodes may be,
traversing the precoding matrix of each element in a subset of the first set, and determining the precoding matrix which enables the best quality of the received signals as the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is the target element; alternatively, the first and second electrodes may be,
and traversing each precoding matrix contained in the second set, determining the precoding matrix which enables the best quality of the received signals to be the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is a target element, and the precoding matrix in the second set corresponds to the antenna coherent transmission relation in the uplink reference signal resource.
Alternatively to this, the first and second parts may,
if the target element is an uplink reference signal resource, searching the target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching the target precoding matrix from a second codebook, wherein the second codebook is a codebook in which the number of antennas is equal to the sum of the number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, searching the target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; alternatively, the first and second electrodes may be,
the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
Optionally, the target precoding matrix formed by combining the precoding matrices corresponding to the uplink reference signal resources is a power-normalized precoding matrix.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; or
And the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, sending the target precoding matrix indication information to the terminal includes:
if the target element is an uplink reference signal resource, transmitting transmission precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information to the terminal;
if the target element is a combination of a plurality of uplink reference signal resources, transmitting uplink reference signal resource indication information and TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information to the terminal;
and if the target precoding matrix is selected according to the antenna coherent transmission relation in the uplink reference signal resource, transmitting the TPMI and/or TRI and/or the uplink reference signal resource indication information to the terminal.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the method further includes:
and transmitting subset restriction information to the terminal, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources.
The invention also provides a resource allocation method, which is applied to the terminal and comprises the following steps:
sending capability reporting information to a base station, wherein the capability reporting information is used for indicating the antenna coherent transmission capability supported by the terminal;
and receiving the uplink reference signal resource configuration information sent by the base station.
Optionally, the method further includes:
sending an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information;
and receiving target precoding matrix indication information sent by the base station, and determining a precoding matrix for uplink transmission.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
the number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups which contain a specific number of antennas and are supported by the terminal; the specific value is a value agreed by the terminal and the base station or a value determined according to a rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the receiving uplink reference signal resource configuration information sent by the base station includes:
receiving one or more uplink reference signal resources configured by the base station, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the receiving the uplink reference signal resource configuration information sent by the base station further includes:
receiving first mapping relation information sent by the base station, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And receiving second mapping relationship information sent by the base station, where the second mapping relationship information is mapping relationship information between an antenna port in the uplink reference signal resource and an antenna group in the capability reporting information.
Optionally, the receiving uplink reference signal resource configuration information sent by the base station includes:
receiving a plurality of uplink reference signal resources configured by the base station, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the number of antennas included in an antenna panel.
Optionally, the receiving the uplink reference signal resource configuration information sent by the base station further includes:
and receiving the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information.
Optionally, the sending, according to the uplink reference signal resource configuration information and the capability reporting information, an uplink reference signal to the base station includes:
transmitting the uplink reference signal by using an antenna group with the number of antennas equal to or greater than that of the uplink reference signal resources; alternatively, the first and second electrodes may be,
the base station configures a plurality of uplink reference signal resources for the terminal, and for each uplink reference signal resource, the terminal transmits an uplink reference signal by using an antenna group with the same number of antennas and the number of antenna ports contained in the antenna group, and different antenna groups correspond to different uplink reference signal resources.
Optionally, the sending, according to the uplink reference signal resource configuration information and the capability reporting information, an uplink reference signal to the base station further includes:
according to the first mapping relation information, the antenna group corresponding to the uplink reference signal resource is used for sending the uplink reference signal to the base station; alternatively, the first and second electrodes may be,
and according to the second mapping relation information, transmitting the uplink reference signal to the base station by using the antenna group corresponding to the uplink reference signal resource.
Optionally, the sending, according to the uplink reference signal resource configuration information and the capability reporting information, an uplink reference signal to the base station further includes:
and determining and sending the uplink reference signal resource antenna panel according to the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information, and sending the uplink reference signal resource by using the antenna panel.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; alternatively, the first and second electrodes may be,
and the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the receiving target precoding matrix indication information sent by the base station and determining a precoding matrix used for uplink transmission includes:
if the target precoding matrix indication information is the TPMI information and/or TRI information of the uplink reference signal resource corresponding to the uplink reference signal resource indication information, determining a corresponding transmitting antenna according to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission;
if the target precoding matrix indication information is the uplink reference signal resource indication information and the TPMI information and/or TRI information, determining a corresponding antenna according to the uplink reference signal resource indication information, determining a target codebook as a codebook with the antenna number being the sum of the antenna numbers of the uplink reference signal resources corresponding to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission according to the target codebook and the TPMI information and/or TRI information;
if the target precoding matrix indication information is the TPMI information and/or the TRI information, determining a precoding matrix for uplink transmission according to the TPMI information and/or the TRI information;
and if the target precoding matrix indication information is the TPMI information, selecting a precoding matrix with an antenna coherent transmission relation from a codebook corresponding to the TPMI information as a precoding matrix for uplink transmission.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the method further includes:
receiving subset restriction information sent by the base station, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources;
the receiving target precoding matrix indication information sent by the base station and determining a precoding matrix used for uplink transmission specifically includes:
and determining a precoding matrix used for uplink transmission by using the target precoding matrix indication information in a subset limitation range corresponding to the subset limitation information.
Optionally, when the precoding matrix for uplink transmission is composed of at least two parts, the precoding matrix for uplink transmission is a power-normalized precoding matrix.
The present invention also provides a base station, comprising:
the first receiving module is used for receiving capability reporting information sent by a terminal, wherein the capability reporting information is used for representing the antenna coherent transmission capability supported by the terminal;
and the configuration module is used for configuring uplink reference signal resources for the terminal according to the capability report information.
Optionally, the base station further includes:
a second receiving module, configured to receive an uplink reference signal sent by the terminal;
a determining module, configured to determine, according to the signal quality of the uplink reference signal, a target precoding matrix used by the terminal for uplink transmission;
a first sending module, configured to send the target precoding matrix indication information to the terminal.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
a total number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups including a specific number of antennas supported by the terminal is the value agreed by the terminal and the base station or the value determined according to the rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the configuration module is specifically configured to:
configuring one or more uplink reference signal resources for the terminal, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the configuration module is specifically configured to:
sending first mapping relation information to the terminal, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And sending second mapping relation information to the terminal, wherein the second mapping relation information is the mapping relation information between the antenna port in the uplink reference signal resource and the antenna group in the capability reporting information.
Optionally, the configuration module is specifically configured to:
configuring a plurality of uplink reference signal resources for the terminal, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the number of antennas contained in an antenna panel.
Optionally, the configuration module is specifically configured to:
and sending the mapping relation information between the uplink reference signal resource and the antenna panel in the capability report information to the terminal.
Optionally, the determining module is specifically configured to:
traversing the precoding matrix of each element in a first set, determining a precoding matrix which enables the best quality of received signals to be the target precoding matrix, wherein uplink reference signal resources corresponding to the target precoding matrix are target elements, and the first set comprises the combination of the uplink reference signal resources and all the uplink reference signal resources; alternatively, the first and second electrodes may be,
traversing the precoding matrix of each element in a subset of the first set, and determining the precoding matrix which enables the best quality of the received signals as the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is the target element; alternatively, the first and second electrodes may be,
and traversing each precoding matrix contained in the second set, determining the precoding matrix which enables the best quality of the received signals to be the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is a target element, and the precoding matrix in the second set corresponds to the antenna coherent transmission relation in the uplink reference signal resource.
Alternatively to this, the first and second parts may,
if the target element is an uplink reference signal resource, searching the target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching the target precoding matrix from a second codebook, wherein the second codebook is a codebook in which the number of antennas is equal to the sum of the number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, searching the target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; alternatively, the first and second electrodes may be,
the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
Optionally, the target precoding matrix formed by combining the precoding matrices corresponding to the uplink reference signal resources is a power-normalized precoding matrix.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; or
And the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the first sending module is specifically configured to:
if the target element is an uplink reference signal resource, transmitting transmission precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information to the terminal;
if the target element is a combination of a plurality of uplink reference signal resources, transmitting uplink reference signal resource indication information and TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information to the terminal;
and if the target precoding matrix is selected according to the antenna coherent transmission relation in the uplink reference signal resource, transmitting the TPMI and/or TRI and/or the uplink reference signal resource indication information to the terminal.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the base station further includes a second sending module, configured to:
and transmitting subset restriction information to the terminal, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources.
The present invention also provides a terminal, comprising:
the first sending module is used for sending capability reporting information to a base station, wherein the capability reporting information is used for expressing the antenna coherent transmission capability supported by the terminal;
the first receiving module is configured to receive uplink reference signal resource configuration information sent by a base station.
Optionally, the terminal further includes:
a second sending module, configured to send an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information;
and the determining module is used for receiving the target precoding matrix indication information sent by the base station and determining a precoding matrix used for uplink transmission.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
the number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups which contain a specific number of antennas and are supported by the terminal; the specific value is a value agreed by the terminal and the base station or a value determined according to a rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the first receiving module is specifically configured to:
receiving one or more uplink reference signal resources configured by the base station, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the first receiving module is specifically configured to:
receiving first mapping relation information sent by the base station, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And receiving second mapping relationship information sent by the base station, where the second mapping relationship information is mapping relationship information between an antenna port in the uplink reference signal resource and an antenna group in the capability reporting information.
Optionally, the first receiving module is specifically configured to:
receiving a plurality of uplink reference signal resources configured by the base station, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the number of antennas included in an antenna panel.
Optionally, the first receiving module is specifically configured to:
and receiving the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information.
Optionally, the second sending module is specifically configured to:
transmitting the uplink reference signal by using an antenna group with the number of antennas equal to or greater than that of the uplink reference signal resources; alternatively, the first and second electrodes may be,
the base station configures a plurality of uplink reference signal resources for the terminal, and for each uplink reference signal resource, the terminal transmits an uplink reference signal by using an antenna group with the same number of antennas and the number of antenna ports contained in the antenna group, and different antenna groups correspond to different uplink reference signal resources.
Optionally, the second sending module is specifically configured to:
according to the first mapping relation information, the antenna group corresponding to the uplink reference signal resource is used for sending the uplink reference signal to the base station; alternatively, the first and second electrodes may be,
and according to the second mapping relation information, transmitting the uplink reference signal to the base station by using the antenna group corresponding to the uplink reference signal resource.
Optionally, the second sending module is specifically configured to:
and determining and sending the uplink reference signal resource antenna panel according to the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information, and sending the uplink reference signal resource by using the antenna panel.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; alternatively, the first and second electrodes may be,
and the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the determining module is specifically configured to:
if the target precoding matrix indication information is the TPMI information and/or TRI information of the uplink reference signal resource corresponding to the uplink reference signal resource indication information, determining a corresponding transmitting antenna according to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission;
if the target precoding matrix indication information is the uplink reference signal resource indication information and the TPMI information and/or TRI information, determining a corresponding antenna according to the uplink reference signal resource indication information, determining a target codebook as a codebook with the antenna number being the sum of the antenna numbers of the uplink reference signal resources corresponding to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission according to the target codebook and the TPMI information and/or TRI information;
if the target precoding matrix indication information is the TPMI information and/or the TRI information, determining a precoding matrix for uplink transmission according to the TPMI information and/or the TRI information;
and if the target precoding matrix indication information is the TPMI information, selecting a precoding matrix with an antenna coherent transmission relation from a codebook corresponding to the TPMI information as a precoding matrix for uplink transmission.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the terminal further includes a second receiving module, configured to:
receiving subset restriction information sent by the base station, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources;
the determining module is specifically configured to:
and determining a precoding matrix used for uplink transmission by using the target precoding matrix indication information in a subset limitation range corresponding to the subset limitation information.
Optionally, when the precoding matrix for uplink transmission is composed of at least two parts, the precoding matrix for uplink transmission is a power-normalized precoding matrix.
The invention also provides a base station comprising a memory, a processor, a transceiver and a computer program stored on the memory and executable on the processor;
the transceiver is configured to: receiving capability reporting information sent by a terminal, wherein the capability reporting information is used for expressing the antenna coherent transmission capability supported by the terminal;
the processor is used for reading the computer program and executing the following steps:
and configuring uplink reference signal resources for the terminal according to the capability report information.
Alternatively to this, the first and second parts may,
the transceiver is further configured to: receiving an uplink reference signal sent by the terminal;
the processor is further configured to read the computer program and execute the following steps:
determining a target precoding matrix used by the terminal for uplink transmission according to the signal quality of the uplink reference signal;
the transceiver is further configured to: and sending the target precoding matrix indication information to the terminal.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
a total number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups including a specific number of antennas supported by the terminal is the value agreed by the terminal and the base station or the value determined according to the rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the processor is further configured to read the computer program, and execute the following steps:
configuring one or more uplink reference signal resources for the terminal, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the processor is further configured to read the computer program, and execute the following steps:
sending first mapping relation information to the terminal, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And sending second mapping relation information to the terminal, wherein the second mapping relation information is the mapping relation information between the antenna port in the uplink reference signal resource and the antenna group in the capability reporting information.
Optionally, the processor is further configured to read the computer program, and execute the following steps:
configuring a plurality of uplink reference signal resources for the terminal, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the number of antennas contained in an antenna panel.
Optionally, the processor is further configured to read the computer program, and execute the following steps:
and sending the mapping relation information between the uplink reference signal resource and the antenna panel in the capability report information to the terminal.
Optionally, the processor is further configured to read the computer program, and execute the following steps:
traversing the precoding matrix of each element in a first set, determining a precoding matrix which enables the best quality of received signals to be the target precoding matrix, wherein uplink reference signal resources corresponding to the target precoding matrix are target elements, and the first set comprises the combination of the uplink reference signal resources and all the uplink reference signal resources; alternatively, the first and second electrodes may be,
traversing the precoding matrix of each element in a subset of the first set, and determining the precoding matrix which enables the best quality of the received signals as the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is the target element; alternatively, the first and second electrodes may be,
and traversing each precoding matrix contained in the second set, determining the precoding matrix which enables the best quality of the received signals to be the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is a target element, and the precoding matrix in the second set corresponds to the antenna coherent transmission relation in the uplink reference signal resource.
Alternatively to this, the first and second parts may,
if the target element is an uplink reference signal resource, searching the target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching the target precoding matrix from a second codebook, wherein the second codebook is a codebook in which the number of antennas is equal to the sum of the number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, searching the target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; alternatively, the first and second electrodes may be,
the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
Optionally, the target precoding matrix formed by combining the precoding matrices corresponding to the uplink reference signal resources is a power-normalized precoding matrix.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; or
And the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the transceiver is further configured to:
if the target element is an uplink reference signal resource, transmitting transmission precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information to the terminal;
if the target element is a combination of a plurality of uplink reference signal resources, transmitting uplink reference signal resource indication information and TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information to the terminal;
and if the target precoding matrix is selected according to the antenna coherent transmission relation in the uplink reference signal resource, transmitting the TPMI and/or TRI and/or the uplink reference signal resource indication information to the terminal.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the transceiver is further configured to:
and transmitting subset restriction information to the terminal, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources.
The invention also provides a terminal, comprising a transceiver; the transceiver is configured to:
sending capability reporting information to a base station, wherein the capability reporting information is used for indicating the antenna coherent transmission capability supported by the terminal;
and receiving the uplink reference signal resource configuration information sent by the base station.
Optionally, the transceiver is further configured to:
sending an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information;
the terminal further comprises a memory, a processor and a computer program stored on the memory and executable on the processor; it is characterized in that the preparation method is characterized in that,
the processor is used for reading the computer program and executing the following steps:
and receiving target precoding matrix indication information sent by the base station, and determining a precoding matrix for uplink transmission.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
the number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups which contain a specific number of antennas and are supported by the terminal; the specific value is a value agreed by the terminal and the base station or a value determined according to a rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the transceiver is further configured to:
receiving one or more uplink reference signal resources configured by the base station, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the transceiver is further configured to:
receiving first mapping relation information sent by the base station, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And receiving second mapping relationship information sent by the base station, where the second mapping relationship information is mapping relationship information between an antenna port in the uplink reference signal resource and an antenna group in the capability reporting information.
Optionally, the transceiver is further configured to:
receiving a plurality of uplink reference signal resources configured by the base station, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the number of antennas included in an antenna panel.
Optionally, the transceiver is further configured to:
and receiving the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information.
Optionally, the transceiver is further configured to:
transmitting the uplink reference signal by using an antenna group with the number of antennas equal to or greater than that of the uplink reference signal resources; alternatively, the first and second electrodes may be,
the base station configures a plurality of uplink reference signal resources for the terminal, and for each uplink reference signal resource, the terminal transmits an uplink reference signal by using an antenna group with the same number of antennas and the number of antenna ports contained in the antenna group, and different antenna groups correspond to different uplink reference signal resources.
Optionally, the transceiver is further configured to:
according to the first mapping relation information, the antenna group corresponding to the uplink reference signal resource is used for sending the uplink reference signal to the base station; alternatively, the first and second electrodes may be,
and according to the second mapping relation information, transmitting the uplink reference signal to the base station by using the antenna group corresponding to the uplink reference signal resource.
Optionally, the transceiver is further configured to:
and determining and sending the uplink reference signal resource antenna panel according to the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information, and sending the uplink reference signal resource by using the antenna panel.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; alternatively, the first and second electrodes may be,
and the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the processor is further configured to read the computer program, and execute the following steps:
if the target precoding matrix indication information is the TPMI information and/or TRI information of the uplink reference signal resource corresponding to the uplink reference signal resource indication information, determining a corresponding transmitting antenna according to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission;
if the target precoding matrix indication information is the uplink reference signal resource indication information and the TPMI information and/or TRI information, determining a corresponding antenna according to the uplink reference signal resource indication information, determining a target codebook as a codebook with the antenna number being the sum of the antenna numbers of the uplink reference signal resources corresponding to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission according to the target codebook and the TPMI information and/or TRI information;
if the target precoding matrix indication information is the TPMI information and/or the TRI information, determining a precoding matrix for uplink transmission according to the TPMI information and/or the TRI information;
and if the target precoding matrix indication information is the TPMI information, selecting a precoding matrix with an antenna coherent transmission relation from a codebook corresponding to the TPMI information as a precoding matrix for uplink transmission.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the transceiver is further configured to:
receiving subset restriction information sent by the base station, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources;
the processor is further configured to read the computer program and execute the following steps:
and determining a precoding matrix used for uplink transmission by using the target precoding matrix indication information in a subset limitation range corresponding to the subset limitation information.
Optionally, when the precoding matrix for uplink transmission is composed of at least two parts, the precoding matrix for uplink transmission is a power-normalized precoding matrix.
The present invention also provides a computer readable storage medium for storing a computer program which, when executed by a processor, implements the steps in the resource configuration method for a base station; alternatively, the computer program realizes the steps in the resource configuration method for a terminal when executed by a processor.
The technical scheme of the invention has the following beneficial effects:
according to the invention, the terminal sends the antenna coherent transmission capability information to the base station, so that the base station can configure the uplink reference signal resource for the terminal according to the coherent transmission capability information, and thus, the uplink reference signal resource configured by the base station is more reasonable.
Drawings
Fig. 1 is a flowchart of a resource allocation method according to an embodiment of the present invention;
FIG. 2 is a flow chart of another resource allocation method according to an embodiment of the present invention;
FIG. 3 is a flowchart of another resource allocation method according to an embodiment of the present invention;
FIG. 4 is a flowchart of another resource allocation method according to an embodiment of the present invention;
FIG. 5 is a flowchart of another resource allocation method according to an embodiment of the present invention;
fig. 6 is a structural diagram of a base station according to an embodiment of the present invention;
fig. 7 is a block diagram of another base station according to an embodiment of the present invention;
fig. 8 is a structural diagram of a terminal according to an embodiment of the present invention.
Fig. 9 is a block diagram of another terminal according to an embodiment of the present invention.
Fig. 10 is a block diagram of another base station according to an embodiment of the present invention;
fig. 11 is a structural diagram of another terminal according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The SRS (Sounding Reference Signal) in the present invention is an uplink Reference Signal having functions of channel quality measurement and/or channel estimation and/or interference measurement, and may be an uplink Sounding Signal, or other uplink Reference signals having functions of channel quality measurement and/or channel estimation and/or interference measurement, and shall not be limited by the scope of the present invention.
Referring to fig. 1, fig. 1 is a resource allocation method according to an embodiment of the present invention, and as shown in fig. 1, a resource allocation method applied to a base station includes the following steps:
step 101, receiving capability reporting information sent by a terminal.
In the embodiment of the invention, the base station can receive the capability reporting information sent by the terminal. The capability reporting information is used for representing the antenna coherent transmission capability supported by the terminal. Here, the antennas supported by the terminal may be understood as transmit antennas used by the terminal for uplink transmission. In addition, the antenna may correspond to an actual physical antenna, or may be a concept of a virtual antenna, for example, the antenna may correspond to one transmission path or a group of transmission paths.
The capability reporting information may include all or part of antenna coherent transmission capability of the terminal, where all antennas capable of coherent transmission may be an antenna group, all antennas in each antenna group may be capable of coherent transmission, and each antenna group includes at least one antenna. For example, when the antenna group includes two antennas, the two antennas may transmit one data stream in common; when the antenna group comprises four antennas, the four antennas can jointly transmit one data stream; when the antenna group only comprises one antenna, the antenna can only transmit one data stream independently; and so on.
Optionally, the capability reporting information includes one or more of the following items of information:
total number of antennas supported by the terminal.
For example, the total number of antennas supported by the terminal for uplink transmission is eight.
The number of antenna groups that the terminal supports coherent transmission.
For example, the number of antenna groups for the terminal to support coherent transmission is three;
antenna grouping information of the terminal, wherein the grouping information may include: the number of antenna groups of the terminal and/or the number of antennas comprised by each antenna group of the terminal.
For example, a terminal supports at most two antennas for coherent transmission, and supports at most two groups of antenna groups including two antennas for coherent transmission. For another example, the terminal includes K groups of antenna groups, and the capability reporting information of the terminal is as follows: the number of antenna groups is K, and the number of antennas included in each group is { N1,N2,…NKIn which N isxThe number of antennas included in the x-th group of antenna groups is shown.
All antenna groups of the terminal supporting coherent transmission contain the maximum value of the number of antennas.
For example, when the maximum value is 1, it means that the terminal supports at most one antenna transmission (i.e. does not support coherent transmission between antennas); when the maximum value is 2, the terminal supports at most two antennas for transmission; a maximum value of 4 means that the terminal supports a maximum of four antennas for transmission, and so on.
The number of antenna groups including a specific number of antennas supported by the terminal is a value agreed by the terminal and the base station or a value determined according to a rule agreed by the terminal and the base station.
It should be noted that, if the terminal does not report the coherent transmission capability among the antennas, it may be default that all the antennas of the terminal may perform coherent transmission; alternatively, it may be default that all antennas of the terminal are not capable of coherent transmission.
In addition to the above information, the terminal may also report the maximum data stream number information supported by the terminal, where the maximum data stream number information may indirectly reflect the maximum number of antennas that the terminal may support coherent transmission. If the maximum number of data streams supported by the terminal is larger, it indicates that the number of antennas capable of supporting coherent transmission by the terminal is larger, otherwise, the opposite is true.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antennas to support coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
In order to more clearly understand the capability reporting information, a plurality of possible forms of the capability reporting information are illustrated in the following with reference to tables.
Figure GDA0002496988280000231
Figure GDA0002496988280000241
TABLE 1
Capability reporting information To represent
0 All antennas of the terminal can be transmitted coherently
1 The terminal portion antenna can be coherently transmitted
TABLE 2
Capability reporting information To represent
0 The terminal portion antenna can be coherently transmitted
1 All antennas of the terminal cannot transmit coherently
TABLE 3
Capability reporting information To represent
00 All antennas of the terminal can be transmitted coherently
01 The terminal portion antenna can be coherently transmitted
10 All antennas of the terminal cannot transmit coherently
11 Retention
TABLE 4
Capability reporting information To represent
1 All or part of the antennas of the terminal can be transmitted coherently
2 All antennas of the terminal cannot transmit coherently
3 The number of antenna groups being 1
4 Number of antenna groups is 2
5 Number of antenna groups is 3
…… ……
TABLE 5
Number of antennas Number of antenna groups
1 N1
2 N2
4 N3
TABLE 6
Number of antennas Number of antenna groups
2 N1
4 N2
8 N3
TABLE 7
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas contained in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Here, the antenna panel (panel) corresponds to one antenna (or transmission antenna path), or a group of antennas (or transmission paths) located in the same plane, or antennas (or transmission paths) having similar physical positions, or a group of antennas (or transmission paths) having the same characteristics, for example, having the same directivity, or antennas (or transmission antenna paths) using the same analog beam may be used. The antenna panel may correspond to the antennapanel in the 3gpp discussion, or the antennapanel in the communication protocol.
It should be further noted that the capability reporting information is a semi-static signaling, and only when the coherent transmission capability of the antenna changes, the terminal will send new capability reporting information to the base station again.
And 102, configuring uplink reference signal resources for the terminal according to the capability report information.
In this step, the base station may configure an uplink reference signal SRS resource for the terminal according to the capability report information received in step 101.
The base station configures the SRS resource for the terminal, which may adopt the following embodiments.
And the base station configures one or more SRS resources for the terminal, wherein the number of antenna ports contained in each SRS resource corresponds to the number of antennas contained in one or more antenna groups in the capability report information.
Further, in this embodiment, the number of antenna ports included in each SRS resource may be equal to or less than the number of antennas included in one or more antenna groups in the capability report information.
For example, the terminal includes K groups of antenna groups, where antennas in each group of antenna groups can all transmit coherently, and the capability report information of the terminal is as follows: { N1,N2,…NKIn which N isxThe number of antennas included in the x-th group of antenna groups is shown. Then, the base station configures L SRS resources, L<The number of antenna ports included in the L SRS resources is P1,P2,…PLIn which P isk<=Nk
On the basis of the embodiment, the base station may configure first mapping relationship information between the SRS resource and the antenna group included in the capability report information, and the base station may also configure second mapping relationship information between the antenna port in the SRS resource and the antenna group included in the capability report information.
For example, which SRS resources correspond to the same antenna group reported by the terminal.
In addition, the base station may also adopt the following embodiments to configure the SRS resource for the terminal.
The base station configures a plurality of SRS resources for the terminal, and the sum of the number of antenna ports contained in all the SRS resources is equal to or less than the total number of antennas supported by the terminal.
In addition, the base station may also adopt the following embodiments to configure the SRS resource for the terminal.
The base station configures a plurality of SRS resources for the terminal, and the number of antenna ports contained in each SRS resource is equal to or less than the maximum number of data streams supported by the terminal reported by the terminal.
In addition, the base station may also adopt the following embodiments to configure the SRS resource for the terminal.
The base station configures a plurality of SRS resources for the terminal, and the sum of the number of antenna ports contained in all the SRS resources is equal to or less than the maximum data stream number, or equal to or less than the minimum value of the number of antennas and the maximum data stream number.
In addition, the base station may also adopt the following embodiments to configure the SRS resource for the terminal.
The base station configures a plurality of SRS resources for the terminal, and if all antennas of the terminal do not support coherent transmission, each SRS resource comprises an antenna port.
In addition, the base station may also adopt the following embodiments to configure the SRS resource for the terminal.
The base station configures a plurality of SRS resources for the terminal, each SRS resource corresponds to one antenna panel, and the number of antenna ports included in each SRS resource is equal to the number of antennas included in the corresponding antenna panel.
In addition, the base station may also adopt the following embodiments to configure the SRS resource for the terminal.
The base station configures an SRS resource for the terminal, and the number of antenna ports contained in the SRS resource is equal to the total number of antennas supported by the terminal.
In addition, the base station may also adopt the following embodiments to configure the SRS resource for the terminal.
The base station configures an SRS resource for the terminal, and the number of antenna ports included in the SRS resource corresponds to the number of antennas included in an antenna panel.
In addition, the base station may also transmit antenna group information corresponding to the SRS resource to the terminal. For example, which antenna groups a certain SRS resource corresponds to, or which antennas of a certain SRS resource correspond to the same antenna group.
In addition, the base station can also indicate the antenna coherent transmission relation information in the SRS resource to the terminal. For example, certain antennas within the SRS resource may be indicated for coherent transmission.
Accordingly, the terminal may receive the SRS resource configuration information sent by the base station. For this, the following embodiments can be adopted.
A terminal receives one or more uplink reference signal resources configured by a base station, wherein the number of antenna ports contained in each uplink reference signal resource corresponds to the number of antennas contained in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
the terminal receives an uplink reference signal resource configured by the base station, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Further, the receiving, by the terminal, the SRS resource configuration information sent by the base station may further include:
a terminal receives first mapping relation information sent by a base station, wherein the first mapping relation information is mapping relation information between an SRS resource and an antenna group in capability reporting information; or
And the terminal receives second mapping relation information sent by the base station, wherein the second mapping relation information is mapping relation information between an antenna port in the SRS resource and an antenna group in the capability reporting information.
In addition, the receiving, by the terminal, the SRS resource configuration information transmitted by the base station may include:
a terminal receives a plurality of SRS resources configured by a base station, wherein the number of antenna ports contained in each SRS resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
the terminal receives an SRS resource configured by the base station, and the number of antenna ports contained in the SRS resource is equal to the number of antennas contained in an antenna panel.
Further, the receiving, by the terminal, the SRS resource configuration information sent by the base station further includes:
and the terminal receives the mapping relation information between the SRS resource sent by the base station and the antenna panel in the capability report information.
In the embodiment of the invention, the terminal sends the antenna (or sending path) coherent transmission capacity information to the base station, so that the base station can configure the uplink reference signal resource for the terminal according to the coherent transmission capacity information, and the uplink reference signal resource configured by the base station is more reasonable.
As shown in fig. 2, in the embodiment of the present invention, on the basis of the above step 101 and step 102, the following steps may also be included:
and step 103, receiving the uplink reference signal sent by the terminal.
In this step, the base station may receive an uplink reference signal SRS transmitted by the terminal. Here, the terminal may send the uplink reference signal by: after receiving the uplink reference signal resource configuration information sent by the base station, the terminal selects an antenna for sending an uplink reference signal corresponding to the uplink reference signal resource configuration information according to the uplink reference signal resource configuration information and the capability reporting information, and sends the uplink reference signal to the base station.
The terminal may transmit the SRS to the base station, which may include the following embodiments.
Transmitting the SRS by using an antenna group with the number of antennas equal to or more than that of the SRS resources; alternatively, the first and second electrodes may be,
the base station configures a plurality of SRS resources for the terminal, and for each SRS resource, the terminal transmits the SRS by using antenna groups with the number of antennas equal to the number of antenna ports contained in the antenna group, and different antenna groups correspond to different SRS resources.
The terminal may transmit the SRS to the base station, and may further include the following embodiments.
According to the first mapping relation information, transmitting the SRS to the base station by using the antenna group corresponding to the SRS resource; alternatively, the first and second electrodes may be,
and according to the second mapping relation information, transmitting the SRS to the base station by using the antenna group corresponding to the SRS resource.
The terminal may transmit the SRS to the base station, which may include the following embodiments.
And determining and transmitting the SRS resource antenna panel according to the mapping relation information between the SRS resource transmitted by the base station and the antenna panel in the capability report information, and transmitting the SRS resource by using the antenna panel.
In addition, the terminal may transmit the SRS to the base station, and may further include the following embodiments.
For each SRS resource configured by the base station, the terminal transmits the SRS by using the antenna group with the number of antennas larger than the number of antenna ports of the corresponding SRS resource.
In addition, the terminal may transmit the SRS to the base station, and may further include the following embodiments.
And the terminal determines which antenna groups are used for transmitting which SRS resources according to the corresponding relation between the SRS resources indicated by the base station and the antenna groups. For example, if the base station indicates that two antennas in the SRS resource correspond to one antenna group, the terminal transmits the SRS of the two antennas using one antenna group including two antennas.
In addition, the terminal may transmit the SRS to the base station, and may further include the following embodiments.
And the terminal selects a target antenna group according to the antenna coherent transmission relation information in the SRS resource indicated by the base station. For example, if the base station indicates that two antennas can perform coherent transmission, the terminal transmits SRS for the two antennas according to selecting two antennas in an antenna group that includes two antennas and performs coherent transmission, or the terminal transmits SRS for the two antennas according to selecting two antennas in an antenna group that includes four antennas and performs coherent transmission.
And step 104, determining a target precoding matrix used by the terminal for uplink transmission according to the signal quality of the uplink reference signal.
In this step, the base station may measure the signal quality of the SRS sent by the terminal, and determine a target precoding matrix used by the terminal for uplink transmission according to the measurement result.
For the determination of the target precoding matrix, the following embodiments may be included.
And the base station traverses the precoding matrix of each element in the first set, determines the precoding matrix which enables the best quality of the received signals as a target precoding matrix, and the SRS resource corresponding to the target precoding matrix is the target element. Wherein the first set includes a combination of SRS resources and each SRS resource.
The target element may be one element in the first set, that is, the target element may be a combination of multiple SRS resources, or may be one SRS resource.
It should be noted that the target element with the best received signal quality may be understood as the element that maximizes the received signal-to-noise ratio, or the RSRP, or the capacity among all possible elements.
If the target element is an uplink reference signal resource, searching a target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching a target precoding matrix from a second codebook, wherein the second codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element;
if the target element is the combination of a plurality of uplink reference signal resources, searching a target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; or the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
In the embodiment of the present invention, the codebook corresponding to the number of antenna ports may be one codebook or multiple codebooks, for example, when the number of antenna ports is N, single stream transmission corresponds to one codebook, two-stream transmission corresponds to one codebook, multi-stream transmission corresponds to multiple codebooks, and the like. The examples of the present invention are not intended to be limiting.
For example, the target element is a combination of N SRS resources, and the number of antenna ports corresponding to the kth SRS resource is PkThen all precoding matrices corresponding to the element are all those with
Figure GDA0002496988280000291
Precoding matrix of each antenna, the number of slave antenna ports is P1,P2,…,PNTo which one precoding matrix is applied in each codebook
Figure GDA0002496988280000301
And each antenna corresponds to different data streams, so that a precoding matrix of the combination of the N SRS resources is formed. The number of the base station traversal antennas is P1,P2,…,PNThe precoding matrix of the combination of the N SRS resources is formed by the precoding matrix of the codebook, so that the precoding matrix with the maximum receiving signal-to-noise ratio or the maximum RSRP or the maximum capacity is the target precoding matrix.
Optionally, one precoding matrix formed by combining the precoding matrices corresponding to the SRS resources is power normalized, that is, the phase of the precoding matrix corresponding to each antenna is the same as the phase of the precoding matrix in the codebook corresponding to the number of antennas included in each SRS resource forming the precoding matrix, but the amplitude of the precoding matrix is different.
Optionally, the power normalization is such that the sum of the squares of the non-zero elements of the precoding matrix is 1.
Optionally, the power normalization makes the power of each non-zero element of the precoding matrix equal, and the sum of squares of the non-zero elements of the precoding matrix is less than 1.
In addition, the determination of the target precoding matrix may include the following embodiments.
And the base station traverses the precoding matrix of each element in one subset of the first set, determines the precoding matrix which enables the best quality of the received signals as a target precoding matrix, and the uplink reference signal resource corresponding to the target precoding matrix is the target element.
In this embodiment, for example, the base station may only traverse a single SRS resource, or may only traverse a combination of two SRS resources.
Further, the base station may transmit subset restriction information indicating information for selecting a subset from a set consisting of all SRS resources and combinations of SRS resources to the terminal.
In addition, the determination of the target precoding matrix may include the following embodiments.
And the base station traverses each precoding matrix contained in the second set, determines the precoding matrix which enables the best quality of the received signals as a target precoding matrix, and the SRS resource corresponding to the target precoding matrix is a target element, wherein the precoding matrix in the second set corresponds to the antenna coherent transmission relationship in the SRS resource.
In this embodiment, for example, the codebook includes a codebook in which all antennas can be coherently transmitted and a codebook in which a part of antennas can be coherently transmitted. The base station selects a target precoding matrix from the precoding matrices corresponding to the mapping relation configured for the terminal or supported by the terminal capability, and only indicates the precoding matrices to the terminal. For example, the terminal may be capable of supporting four antennas, including two sets of coherent transmission antennas, each set including two antenna ports. The base station only traverses the precoding matrix in the codebook containing four antennas corresponding to two groups of two antennas that can be coherently transmitted.
Further, if the target element is an uplink reference signal resource, searching a target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching a target precoding matrix from a second codebook, wherein the second codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element;
if the target element is the combination of a plurality of uplink reference signal resources, searching a target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; or the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
And 105, sending target precoding matrix indication information to the terminal.
In this step, the base station may send target precoding matrix indication information to the terminal.
Wherein, the target precoding matrix indication information comprises:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information SRI; or
The uplink reference signal resource indication information SRI and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information SRI.
Here, if the base station determines the target precoding matrix in a different manner in step 104, the target precoding matrix indication information transmitted to the terminal by the base station is also different.
If the target element is an SRS resource, the base station sends TPMI and/or TRI and/or SRI to the terminal;
if the target element is the combination of a plurality of SRS resources, the base station sends the SRI and the TPMI and/or TRI of the SRS resource corresponding to the SRI to the terminal;
and if the target precoding matrix is selected according to the antenna coherent transmission relation in the SRS resource, the base station sends TPMI and/or TRI and/or SRI to the terminal. Wherein the TPMI comprises: indicating corresponding target precoding matrixes for all precoding matrixes in a codebook; or indicating the corresponding target precoding matrix for the available precoding matrix in the codebook.
Further, the indication modes of the TPMI include:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; alternatively, the first and second electrodes may be,
the TPMI is indicated by the index of a precoding matrix with an antenna coherent transmission relation in a second codebook, and the second codebook is a codebook formed by recombining the precoding matrixes in the first codebook.
It should be noted that the index of the precoding matrix in the second codebook may directly correspond to the index of the precoding matrix in the first codebook, or may be an index obtained by renumbering the precoding matrices in one or more first codebooks, which is not limited in the embodiment of the present invention.
It should be further noted that the terminal may receive target precoding matrix indication information sent by the base station, and the terminal may determine a precoding matrix used for uplink transmission according to the target precoding matrix indication information.
The terminal may determine the precoding matrix used for uplink transmission according to the target precoding matrix indication information, which may be implemented as follows.
If the target precoding matrix indication information is the TPMI and/or TRI of the SRS resource corresponding to the SRI, the terminal may determine the corresponding transmitting antenna according to the SRI and determine the precoding matrix for uplink transmission. In addition to determining the precoding matrix for uplink transmission, the terminal may also determine the number of data streams for uplink transmission.
If the target precoding matrix indication information is SRI and TPMI and/or TRI, the terminal may determine a corresponding transmitting antenna according to the SRI, determine a codebook in which the number of antennas of the target codebook is the sum of the numbers of antennas of each SRS resource corresponding to the SRI, and determine a precoding matrix for uplink transmission according to the target codebook and the TPMI and/or TRI. In addition to determining the precoding matrix for uplink transmission, the terminal may also determine the number of data streams for uplink transmission.
If the target precoding matrix indication information is TPMI and/or TRI, the terminal may determine a precoding matrix used for uplink transmission according to the TPMI and/or TRI. In addition to determining the precoding matrix for uplink transmission, the terminal may also determine the number of data streams for uplink transmission.
If the target precoding matrix indication information is TPMI, the terminal may select a part of precoding matrices from a codebook corresponding to TPMI as precoding matrices for uplink transmission. In addition to determining the precoding matrix for uplink transmission, the terminal may also determine the number of data streams for uplink transmission.
If the target precoding matrix indication information is SRI, the terminal may determine that the uplink transmission antenna is an antenna corresponding to the SRS resource indicated by the SRI, the number of data streams is the number of SRS resources included in the SRI, and the TPMI is a diagonal matrix of the number order of the SRS resources included in the SRI.
If the target precoding matrix indication information is SRI, the terminal may determine that the uplink transmission antenna is the antenna corresponding to the SRS resource indicated by the SRI, the number of data streams is the sum of the number of antennas corresponding to the number of SRS resources included in the SRI, and the TPMI is a diagonal matrix of the sum order of the number of antennas corresponding to the number of SRS resources included in the SRI.
In addition, if the terminal receives subset restriction information sent by the base station, where the subset restriction information indicates information for selecting a subset from a set consisting of all combinations of uplink reference signal resources and uplink reference signal resources, the terminal determines a precoding matrix used for uplink transmission using the target precoding matrix indication information within a subset restriction range corresponding to the subset restriction information.
It should be noted that the manner in which the terminal determines the precoding matrix for uplink transmission may be the same as the manner in which the base station determines the target precoding matrix in the embodiment of the present invention, and for avoiding repetition, details thereof are not described here.
In the embodiment of the invention, the terminal sends the coherent transmission capacity information of the antenna (or the sending path) to the base station, so that the base station can configure the uplink reference signal resource for the terminal according to the coherent transmission capacity information, the uplink reference signal resource configured by the base station is more reasonable, and the terminal can carry out uplink transmission based on the coherent transmission capacity of the sending path of the terminal.
Referring to fig. 3, fig. 3 is a flowchart of another resource allocation method according to an embodiment of the present invention, and as shown in fig. 3, a resource allocation method applied to a terminal includes the following steps:
step 301, sending capability reporting information to the base station, where the capability reporting information is used to indicate antenna coherent transmission capability supported by the terminal.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
the number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups which contain specific number of antennas and are supported by the terminal; the specific value is a value agreed by the terminal and the base station or a value determined according to a rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Step 302, receiving uplink reference signal resource configuration information sent by the base station.
Optionally, the receiving uplink reference signal resource configuration information sent by the base station includes:
receiving one or more uplink reference signal resources configured by the base station, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the receiving the uplink reference signal resource configuration information sent by the base station further includes:
receiving first mapping relation information sent by the base station, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And receiving second mapping relationship information sent by the base station, where the second mapping relationship information is mapping relationship information between an antenna port in the uplink reference signal resource and an antenna group in the capability reporting information.
Optionally, the receiving uplink reference signal resource configuration information sent by the base station includes:
receiving a plurality of uplink reference signal resources configured by the base station, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the number of antennas included in an antenna panel.
Optionally, the receiving the uplink reference signal resource configuration information sent by the base station further includes:
and receiving the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information.
As shown in fig. 4, in the embodiment of the present invention, on the basis of the above step 301 and step 302, the following steps may also be included:
and step 303, sending the uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information.
And step 304, receiving target precoding matrix indication information sent by the base station, and determining a precoding matrix for uplink transmission.
The sending an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information includes:
transmitting the uplink reference signal by using an antenna group with the number of antennas equal to or greater than that of the uplink reference signal resources; alternatively, the first and second electrodes may be,
the base station configures a plurality of uplink reference signal resources for the terminal, and for each uplink reference signal resource, the terminal transmits an uplink reference signal by using an antenna group with the same number of antennas and the number of antenna ports contained in the antenna group, and different antenna groups correspond to different uplink reference signal resources.
Optionally, the sending, according to the uplink reference signal resource configuration information and the capability reporting information, an uplink reference signal to the base station further includes:
according to the first mapping relation information, the antenna group corresponding to the uplink reference signal resource is used for sending the uplink reference signal to the base station; alternatively, the first and second electrodes may be,
and according to the second mapping relation information, transmitting the uplink reference signal to the base station by using the antenna group corresponding to the uplink reference signal resource.
Optionally, the sending, according to the uplink reference signal resource configuration information and the capability reporting information, an uplink reference signal to the base station further includes:
and determining and sending the uplink reference signal resource antenna panel according to the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information, and sending the uplink reference signal resource by using the antenna panel.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; or
And the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the receiving target precoding matrix indication information sent by the base station and determining a precoding matrix used for uplink transmission includes:
if the target precoding matrix indication information is TPMI information/TRI information of an uplink reference signal resource corresponding to the uplink reference signal resource indication information, determining a corresponding transmitting antenna according to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission;
if the target precoding matrix indication information is the uplink reference signal resource indication information and the TPMI information/TRI information, determining a corresponding antenna according to the uplink reference signal resource indication information, determining a target codebook as a codebook with the antenna number being the sum of the antenna numbers of the uplink reference signal resources corresponding to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission according to the target codebook and the TPMI information/TRI information;
if the target precoding matrix indication information is the TPMI information/TRI information, determining a precoding matrix for uplink transmission according to the TPMI information/TRI information;
and if the target precoding matrix indication information is the TPMI information, selecting a part of precoding matrixes from a codebook corresponding to the TPMI information as precoding matrixes for uplink transmission.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
And the TPMI is indicated by the index of a precoding matrix with an antenna coherent transmission relation in a second codebook, and the second codebook is a codebook formed by recombining the precoding matrices in the first codebook.
Optionally, the method further includes:
receiving subset restriction information sent by the base station, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources;
the receiving target precoding matrix indication information sent by the base station and determining a precoding matrix used for uplink transmission specifically includes:
and determining a precoding matrix used for uplink transmission by using the target precoding matrix indication information in a subset limitation range corresponding to the subset limitation information.
Optionally, when the precoding matrix for uplink transmission is composed of at least two parts, the precoding matrix for uplink transmission is a power-normalized precoding matrix.
The embodiment of the present invention can be implemented by combining the embodiments of the present invention shown in fig. 1 and fig. 2, and has the same beneficial effects, and further description is omitted to avoid repetition.
Referring to fig. 5, fig. 5 is another resource allocation method according to an embodiment of the present invention, and as shown in fig. 5, a resource allocation method includes the following steps:
step 501, the terminal sends capability report information to the base station.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
a total number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups including a specific number of antennas supported by the terminal is the value agreed by the terminal and the base station or the value determined according to the rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Step 502, the base station receives the capability report information sent by the terminal.
Step 503, the base station configures uplink reference signal resources for the terminal according to the capability report information.
Optionally, configuring one or more uplink reference signal resources for the terminal, where the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the configuring, according to the capability report information, an uplink transmission resource for the terminal further includes:
sending first mapping relation information to the terminal, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And sending second mapping relation information to the terminal, wherein the second mapping relation information is the mapping relation information between the antenna port in the uplink reference signal resource and the antenna group in the capability reporting information.
Optionally, the configuring, according to the capability report information, an uplink transmission resource for the terminal includes:
configuring a plurality of uplink reference signal resources for the terminal, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the number of antennas contained in an antenna panel.
Optionally, the configuring, according to the capability report information, an uplink transmission resource for the terminal further includes:
and sending the mapping relation information between the uplink reference signal resource and the antenna panel in the capability report information to the terminal.
Step 504, the terminal receives the uplink reference signal resource configuration information sent by the base station.
Optionally, the receiving uplink reference signal resource configuration information sent by the base station includes:
receiving one or more uplink reference signal resources configured by the base station, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the receiving the uplink reference signal resource configuration information sent by the base station further includes:
receiving first mapping relation information sent by the base station, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And receiving second mapping relationship information sent by the base station, where the second mapping relationship information is mapping relationship information between an antenna port in the uplink reference signal resource and an antenna group in the capability reporting information.
Optionally, the receiving uplink reference signal resource configuration information sent by the base station includes:
receiving a plurality of uplink reference signal resources configured by the base station, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the number of antennas included in an antenna panel.
Optionally, the receiving the uplink reference signal resource configuration information sent by the base station further includes:
and receiving the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information.
And 505, the terminal sends the uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information.
Optionally, the sending, according to the uplink reference signal resource configuration information and the capability reporting information, an uplink reference signal to the base station includes:
transmitting the uplink reference signal by using an antenna group with the number of antennas equal to or greater than that of the uplink reference signal resources; alternatively, the first and second electrodes may be,
the base station configures a plurality of uplink reference signal resources for the terminal, and for each uplink reference signal resource, the terminal transmits an uplink reference signal by using an antenna group with the same number of antennas and the number of antenna ports contained in the antenna group, and different antenna groups correspond to different uplink reference signal resources.
Optionally, the sending, according to the uplink reference signal resource configuration information and the capability reporting information, an uplink reference signal to the base station further includes:
according to the first mapping relation information, the antenna group corresponding to the uplink reference signal resource is used for sending the uplink reference signal to the base station; alternatively, the first and second electrodes may be,
and according to the second mapping relation information, transmitting the uplink reference signal to the base station by using the antenna group corresponding to the uplink reference signal resource.
Optionally, the sending, according to the uplink reference signal resource configuration information and the capability reporting information, an uplink reference signal to the base station further includes:
and determining and sending the uplink reference signal resource antenna panel according to the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information, and sending the uplink reference signal resource by using the antenna panel.
Step 506, the base station receives the uplink reference signal sent by the terminal.
And step 507, the base station determines a target precoding matrix used by the terminal for uplink transmission according to the signal quality of the uplink reference signal.
Optionally, the determining, according to the signal quality of the uplink reference signal, a target precoding matrix used by the terminal for uplink transmission includes:
traversing the precoding matrix of each element in a first set, determining a precoding matrix which enables the best quality of received signals to be the target precoding matrix, wherein uplink reference signal resources corresponding to the target precoding matrix are target elements, and the first set comprises the combination of the uplink reference signal resources and all the uplink reference signal resources; alternatively, the first and second electrodes may be,
traversing the precoding matrix of each element in a subset of the first set, and determining the precoding matrix which enables the best quality of the received signals as the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is the target element; alternatively, the first and second electrodes may be,
and traversing each precoding matrix contained in the second set, determining the precoding matrix which enables the best quality of the received signals to be the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is a target element, and the precoding matrix in the second set corresponds to the antenna coherent transmission relation in the uplink reference signal resource.
Alternatively to this, the first and second parts may,
if the target element is an uplink reference signal resource, searching the target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching the target precoding matrix from a second codebook, wherein the second codebook is a codebook in which the number of antennas is equal to the sum of the number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, searching the target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; alternatively, the first and second electrodes may be,
the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
Optionally, the target precoding matrix formed by combining the precoding matrices corresponding to the uplink reference signal resources is a power-normalized precoding matrix.
Step 508, the base station sends the indication information of the target precoding matrix to the terminal.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; or
And the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, sending the target precoding matrix indication information to the terminal includes:
if the target element is an uplink reference signal resource, transmitting transmission precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information to the terminal;
if the target element is a combination of a plurality of uplink reference signal resources, transmitting uplink reference signal resource indication information and TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information to the terminal;
and if the target precoding matrix is selected according to the antenna coherent transmission relation in the uplink reference signal resource, transmitting the TPMI and/or TRI and/or the uplink reference signal resource indication information to the terminal.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
And the TPMI is indicated by the index of a precoding matrix with an antenna coherent transmission relation in a second codebook, and the second codebook is a codebook formed by recombining the precoding matrices in the first codebook.
Optionally, the method further includes:
and transmitting subset restriction information to the terminal, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources.
Step 509, the terminal receives the target precoding matrix indication information sent by the base station, and determines a precoding matrix for uplink transmission.
Optionally, the receiving target precoding matrix indication information sent by the base station and determining a precoding matrix used for uplink transmission includes:
if the target precoding matrix indication information is the TPMI information and/or TRI information of the uplink reference signal resource corresponding to the uplink reference signal resource indication information, determining a corresponding transmitting antenna according to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission;
if the target precoding matrix indication information is the uplink reference signal resource indication information and the TPMI information and/or TRI information, determining a corresponding antenna according to the uplink reference signal resource indication information, determining a target codebook as a codebook with the antenna number being the sum of the antenna numbers of the uplink reference signal resources corresponding to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission according to the target codebook and the TPMI information and/or TRI information;
if the target precoding matrix indication information is the TPMI information and/or the TRI information, determining a precoding matrix for uplink transmission according to the TPMI information and/or the TRI information;
and if the target precoding matrix indication information is the TPMI information, selecting a precoding matrix with an antenna coherent transmission relation from a codebook corresponding to the TPMI information as a precoding matrix for uplink transmission.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
And the TPMI is indicated by the index of a precoding matrix with an antenna coherent transmission relation in a second codebook, and the second codebook is a codebook formed by recombining the precoding matrices in the first codebook.
Optionally, the method further includes:
receiving subset restriction information sent by the base station, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources;
the receiving target precoding matrix indication information sent by the base station and determining a precoding matrix used for uplink transmission specifically includes:
and determining a precoding matrix used for uplink transmission by using the target precoding matrix indication information in a subset limitation range corresponding to the subset limitation information.
Optionally, when the precoding matrix for uplink transmission is composed of at least two parts, the precoding matrix for uplink transmission is a power-normalized precoding matrix.
The embodiment of the present invention can be implemented by combining the embodiments of the present invention shown in fig. 1 and fig. 4, and has the same beneficial effects, and further description is omitted to avoid repetition.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention, and as shown in fig. 6, a base station 600 includes:
a first receiving module 601, configured to receive capability reporting information sent by a terminal, where the capability reporting information is used to indicate antenna coherence transmission capability supported by the terminal;
a configuring module 602, configured to configure uplink reference signal resources for the terminal according to the capability report information.
Optionally, as shown in fig. 7, the base station 600 further includes:
a second receiving module 603, configured to receive an uplink reference signal sent by the terminal;
a determining module 604, configured to determine, according to the signal quality of the uplink reference signal, a target precoding matrix used by the terminal for uplink transmission;
a sending module 605, configured to send the target precoding matrix indication information to the terminal.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
a total number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups including a specific number of antennas supported by the terminal is the value agreed by the terminal and the base station or the value determined according to the rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the configuration module 602 is specifically configured to:
configuring one or more uplink reference signal resources for the terminal, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the configuration module 602 is specifically configured to:
sending first mapping relation information to the terminal, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And sending second mapping relation information to the terminal, wherein the second mapping relation information is the mapping relation information between the antenna port in the uplink reference signal resource and the antenna group in the capability reporting information.
Optionally, the configuration module 602 is specifically configured to:
configuring a plurality of uplink reference signal resources for the terminal, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the number of antennas contained in an antenna panel.
Optionally, the configuration module 602 is specifically configured to:
and sending the mapping relation information between the uplink reference signal resource and the antenna panel in the capability report information to the terminal.
Optionally, the determining module 604 is specifically configured to:
traversing the precoding matrix of each element in a first set, determining a precoding matrix which enables the best quality of received signals to be the target precoding matrix, wherein uplink reference signal resources corresponding to the target precoding matrix are target elements, and the first set comprises the combination of the uplink reference signal resources and all the uplink reference signal resources; alternatively, the first and second electrodes may be,
traversing the precoding matrix of each element in a subset of the first set, and determining the precoding matrix which enables the best quality of the received signals as the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is the target element; alternatively, the first and second electrodes may be,
and traversing each precoding matrix contained in the second set, determining the precoding matrix which enables the best quality of the received signals to be the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is a target element, and the precoding matrix in the second set corresponds to the antenna coherent transmission relation in the uplink reference signal resource.
Alternatively to this, the first and second parts may,
if the target element is an uplink reference signal resource, searching the target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching the target precoding matrix from a second codebook, wherein the second codebook is a codebook in which the number of antennas is equal to the sum of the number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, searching the target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; alternatively, the first and second electrodes may be,
the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
Optionally, the target precoding matrix formed by combining the precoding matrices corresponding to the uplink reference signal resources is a power-normalized precoding matrix.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; or
And the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the sending module 605 is specifically configured to:
if the target element is an uplink reference signal resource, transmitting transmission precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information to the terminal;
if the target element is a combination of a plurality of uplink reference signal resources, transmitting uplink reference signal resource indication information and TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information to the terminal;
and if the target precoding matrix is selected according to the antenna coherent transmission relation in the uplink reference signal resource, transmitting the TPMI and/or TRI and/or the uplink reference signal resource indication information to the terminal.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the sending module 605 is further configured to:
and transmitting subset restriction information to the terminal, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources.
It should be noted that, in this embodiment, the base station 600 may be a base station of any implementation manner in the method embodiment of the present invention, and any implementation manner of the base station in the method embodiment of the present invention may be implemented by the base station 600 in this embodiment, and the same beneficial effects are achieved, and details are not described here.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a terminal according to another embodiment of the present invention, as shown in fig. 8, a terminal 800 includes:
a first sending module 801, configured to send capability reporting information to a base station, where the capability reporting information is used to indicate antenna coherent transmission capability supported by the terminal;
a receiving module 802, configured to receive uplink reference signal resource configuration information sent by a base station.
Optionally, as shown in fig. 9, the terminal 800 further includes:
a second sending module 803, configured to send an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information;
a determining module 804, configured to receive target precoding matrix indication information sent by the base station, and determine a precoding matrix used for uplink transmission.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
the number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups which contain a specific number of antennas and are supported by the terminal; the specific value is a value agreed by the terminal and the base station or a value determined according to a rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the receiving module 802 is specifically configured to:
receiving one or more uplink reference signal resources configured by the base station, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the receiving module 802 is specifically configured to:
receiving first mapping relation information sent by the base station, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And receiving second mapping relationship information sent by the base station, where the second mapping relationship information is mapping relationship information between an antenna port in the uplink reference signal resource and an antenna group in the capability reporting information.
Optionally, the receiving module 802 is specifically configured to:
receiving a plurality of uplink reference signal resources configured by the base station, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the number of antennas included in an antenna panel.
Optionally, the receiving module 802 is specifically configured to:
and receiving the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information.
Optionally, the second sending module 803 is specifically configured to:
transmitting the uplink reference signal by using an antenna group with the number of antennas equal to or greater than that of the uplink reference signal resources; alternatively, the first and second electrodes may be,
the base station configures a plurality of uplink reference signal resources for the terminal, and for each uplink reference signal resource, the terminal transmits an uplink reference signal by using an antenna group with the same number of antennas and the number of antenna ports contained in the antenna group, and different antenna groups correspond to different uplink reference signal resources.
Optionally, the second sending module 803 is specifically configured to:
according to the first mapping relation information, the antenna group corresponding to the uplink reference signal resource is used for sending the uplink reference signal to the base station; alternatively, the first and second electrodes may be,
and according to the second mapping relation information, transmitting the uplink reference signal to the base station by using the antenna group corresponding to the uplink reference signal resource.
Optionally, the second sending module 803 is specifically configured to:
and determining and sending the uplink reference signal resource antenna panel according to the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information, and sending the uplink reference signal resource by using the antenna panel.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; alternatively, the first and second electrodes may be,
and the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the determining module 804 is specifically configured to:
if the target precoding matrix indication information is the TPMI information and/or TRI information of the uplink reference signal resource corresponding to the uplink reference signal resource indication information, determining a corresponding transmitting antenna according to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission;
if the target precoding matrix indication information is the uplink reference signal resource indication information and the TPMI information and/or TRI information, determining a corresponding antenna according to the uplink reference signal resource indication information, determining a target codebook as a codebook with the antenna number being the sum of the antenna numbers of the uplink reference signal resources corresponding to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission according to the target codebook and the TPMI information and/or TRI information;
if the target precoding matrix indication information is the TPMI information and/or the TRI information, determining a precoding matrix for uplink transmission according to the TPMI information and/or the TRI information;
and if the target precoding matrix indication information is the TPMI information, selecting a precoding matrix with an antenna coherent transmission relation from a codebook corresponding to the TPMI information as a precoding matrix for uplink transmission.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the receiving module 802 is further configured to:
receiving subset restriction information sent by the base station, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources;
the determining module 804 is specifically configured to:
and determining a precoding matrix used for uplink transmission by using the target precoding matrix indication information in a subset limitation range corresponding to the subset limitation information.
Optionally, when the precoding matrix for uplink transmission is composed of at least two parts, the precoding matrix for uplink transmission is a power-normalized precoding matrix.
It should be noted that, in this embodiment, the terminal 800 may be a terminal in any implementation manner in the method embodiment of the present invention, and any implementation manner of the terminal in the method embodiment of the present invention may be implemented by the terminal 800 in this embodiment, so as to achieve the same beneficial effects, and details are not described here again.
Referring to fig. 10, fig. 10 is a schematic structural diagram of another base station according to an embodiment of the present invention, and as shown in fig. 10, the base station includes: a processor 1000, a transceiver 1010, a memory 1020, a user interface 1030, and a bus interface, wherein:
the transceiver 1010 is configured to: receiving capability reporting information sent by a terminal, wherein the capability reporting information is used for expressing the antenna coherent transmission capability supported by the terminal;
the processor 1000, which is used to read the program in the memory 1020, executes the following processes:
and configuring uplink reference signal resources for the terminal according to the capability report information.
Among other things, a transceiver 1010 for receiving and transmitting data under the control of the processor 1000.
In fig. 10, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 1000 and memory represented by memory 1020. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 1010 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. For different terminals, the user interface 1030 may also be an interface capable of interfacing with a desired device, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 1000 is responsible for managing the bus architecture and general processing, and the memory 1020 may store data used by the processor 1000 in performing operations.
Optionally, the transceiver 1010 is further configured to: receiving an uplink reference signal sent by the terminal;
the processor 1000 is further configured to read the computer program and execute the following steps:
determining a target precoding matrix used by the terminal for uplink transmission according to the signal quality of the uplink reference signal;
the transceiver 1010 is further configured to: and sending the target precoding matrix indication information to the terminal.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
a total number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups including a specific number of antennas supported by the terminal is the value agreed by the terminal and the base station or the value determined according to the rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the processor 1000 is further configured to read the computer program, and execute the following steps:
configuring one or more uplink reference signal resources for the terminal, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the processor 1000 is further configured to read the computer program, and execute the following steps:
sending first mapping relation information to the terminal, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And sending second mapping relation information to the terminal, wherein the second mapping relation information is the mapping relation information between the antenna port in the uplink reference signal resource and the antenna group in the capability reporting information.
Optionally, the processor 1000 is further configured to read the computer program, and execute the following steps:
configuring a plurality of uplink reference signal resources for the terminal, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the number of antennas contained in an antenna panel.
Optionally, the processor 1000 is further configured to read the computer program, and execute the following steps:
and sending the mapping relation information between the uplink reference signal resource and the antenna panel in the capability report information to the terminal.
Optionally, the processor 1000 is further configured to read the computer program, and execute the following steps:
traversing the precoding matrix of each element in a first set, determining a precoding matrix which enables the best quality of received signals to be the target precoding matrix, wherein uplink reference signal resources corresponding to the target precoding matrix are target elements, and the first set comprises the combination of the uplink reference signal resources and all the uplink reference signal resources; alternatively, the first and second electrodes may be,
traversing the precoding matrix of each element in a subset of the first set, and determining the precoding matrix which enables the best quality of the received signals as the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is the target element; alternatively, the first and second electrodes may be,
and traversing each precoding matrix contained in the second set, determining the precoding matrix which enables the best quality of the received signals to be the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is a target element, and the precoding matrix in the second set corresponds to the antenna coherent transmission relation in the uplink reference signal resource.
Alternatively to this, the first and second parts may,
if the target element is an uplink reference signal resource, searching the target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching the target precoding matrix from a second codebook, wherein the second codebook is a codebook in which the number of antennas is equal to the sum of the number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, searching the target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; alternatively, the first and second electrodes may be,
the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
Optionally, the target precoding matrix formed by combining the precoding matrices corresponding to the uplink reference signal resources is a power-normalized precoding matrix.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; or
And the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the transceiver 1010 is further configured to:
if the target element is an uplink reference signal resource, transmitting transmission precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information to the terminal;
if the target element is a combination of a plurality of uplink reference signal resources, transmitting uplink reference signal resource indication information and TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information to the terminal;
and if the target precoding matrix is selected according to the antenna coherent transmission relation in the uplink reference signal resource, transmitting the TPMI and/or TRI and/or the uplink reference signal resource indication information to the terminal.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the transceiver 1010 is further configured to:
and transmitting subset restriction information to the terminal, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources.
It should be noted that, in this embodiment, the base station may be a base station of any implementation manner in the method embodiment in the present invention, and any implementation manner of the base station in the method embodiment in the present invention may be implemented by the base station in this embodiment, and the same beneficial effects are achieved, and details are not described here.
Referring to fig. 11, fig. 11 is a schematic structural diagram of another terminal provided in the present invention, and as shown in fig. 11, the terminal includes: a transceiver 1110, a memory 1120, a processor 1100, a user interface 1130, and a bus interface and computer programs stored on the memory 1120 and executable on the processor 1100;
a transceiver 1110 for:
sending capability reporting information to a base station, wherein the capability reporting information is used for indicating the antenna coherent transmission capability supported by the terminal;
and receiving the uplink reference signal resource configuration information sent by the base station.
Among other things, the transceiver 1110 is used for receiving and transmitting data under the control of the processor 1100.
In FIG. 11, the bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 1100, and various circuits of memory, represented by memory 1120, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 1110 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. For different terminals, the user interface 1130 may also be an interface capable of interfacing with desired devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc.
The processor 1100 is responsible for managing the bus architecture and general processing, and the memory 1120 may store data used by the processor 1100 in performing operations.
Optionally, the transceiver 1110 is further configured to:
sending an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information;
the processor 1100 is adapted to read the computer program and execute the following steps:
and receiving target precoding matrix indication information sent by the base station, and determining a precoding matrix for uplink transmission.
Optionally, the capability reporting information includes one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
the number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups which contain a specific number of antennas and are supported by the terminal; the specific value is a value agreed by the terminal and the base station or a value determined according to a rule agreed by the terminal and the base station.
Optionally, the capability reporting information further includes one or a combination of more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
Optionally, the capability reporting information further includes one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
Optionally, the transceiver 1110 is further configured to:
receiving one or more uplink reference signal resources configured by the base station, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
Optionally, the transceiver 1110 is further configured to:
receiving first mapping relation information sent by the base station, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And receiving second mapping relationship information sent by the base station, where the second mapping relationship information is mapping relationship information between an antenna port in the uplink reference signal resource and an antenna group in the capability reporting information.
Optionally, the transceiver 1110 is further configured to:
receiving a plurality of uplink reference signal resources configured by the base station, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the number of antennas included in an antenna panel.
Optionally, the transceiver 1110 is further configured to:
and receiving the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information.
Optionally, the transceiver 1110 is further configured to:
transmitting the uplink reference signal by using an antenna group with the number of antennas equal to or greater than that of the uplink reference signal resources; alternatively, the first and second electrodes may be,
the base station configures a plurality of uplink reference signal resources for the terminal, and for each uplink reference signal resource, the terminal transmits an uplink reference signal by using an antenna group with the same number of antennas and the number of antenna ports contained in the antenna group, and different antenna groups correspond to different uplink reference signal resources.
Optionally, the transceiver 1110 is further configured to:
according to the first mapping relation information, the antenna group corresponding to the uplink reference signal resource is used for sending the uplink reference signal to the base station; alternatively, the first and second electrodes may be,
and according to the second mapping relation information, transmitting the uplink reference signal to the base station by using the antenna group corresponding to the uplink reference signal resource.
Optionally, the transceiver 1110 is further configured to:
and determining and sending the uplink reference signal resource antenna panel according to the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information, and sending the uplink reference signal resource by using the antenna panel.
Optionally, the target precoding matrix indication information includes:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; alternatively, the first and second electrodes may be,
and the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
Optionally, the processor 1100 is further configured to read the computer program and execute the following steps:
if the target precoding matrix indication information is the TPMI information and/or TRI information of the uplink reference signal resource corresponding to the uplink reference signal resource indication information, determining a corresponding transmitting antenna according to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission;
if the target precoding matrix indication information is the uplink reference signal resource indication information and the TPMI information and/or TRI information, determining a corresponding antenna according to the uplink reference signal resource indication information, determining a target codebook as a codebook with the antenna number being the sum of the antenna numbers of the uplink reference signal resources corresponding to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission according to the target codebook and the TPMI information and/or TRI information;
if the target precoding matrix indication information is the TPMI information and/or the TRI information, determining a precoding matrix for uplink transmission according to the TPMI information and/or the TRI information;
and if the target precoding matrix indication information is the TPMI information, selecting a precoding matrix with an antenna coherent transmission relation from a codebook corresponding to the TPMI information as a precoding matrix for uplink transmission.
Optionally, the TPMI indication manner includes:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
Optionally, the transceiver 1110 is further configured to:
receiving subset restriction information sent by the base station, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources;
the processor 1100 is also adapted to read the computer program and perform the following steps:
and determining a precoding matrix used for uplink transmission by using the target precoding matrix indication information in a subset limitation range corresponding to the subset limitation information.
Optionally, when the precoding matrix for uplink transmission is composed of at least two parts, the precoding matrix for uplink transmission is a power-normalized precoding matrix.
It should be noted that, in this embodiment, the terminal may be a terminal in any implementation manner in the method embodiment of the present invention, and any implementation manner of the terminal in the method embodiment of the present invention may be implemented by the terminal in this embodiment, so as to achieve the same beneficial effects, and details are not described here again.
In the embodiment of the present invention, the related devices include a sending device (i.e., a base station) and a receiving device (i.e., a terminal), and downlink transmission and uplink reception may be performed between the sending device and the receiving device accessing the sending device.
The base station may be a base station in existing equipment or other types of transmission point equipment, and the terminal may be user equipment. Of course, the present invention is not limited to the above two devices, and for example, the base station may also be a terminal capable of performing configuration operations on other terminals. A base station may also be considered to comprise a plurality of network stations. The network node may include only Radio frequency (e.g., Remote Radio Unit (RRU)) or both baseband and Radio frequency (e.g., active antenna). A network node may include only a Baseband (e.g., a Baseband Unit (BBU)); or it may not include any digital/radio frequency function of the air interface layer, only takes charge of high-level signal processing, and puts the baseband processing of the air interface layer into the active antenna. Other various network implementation possibilities also exist.
A Terminal may also be referred to as User Equipment (UE), or may be referred to as Terminal, Mobile Station (MS), Mobile Terminal (RAN), and the like, and the Terminal may communicate with one or more core networks via a Radio Access Network (RAN), for example, the Terminal may be a Mobile phone (or may be referred to as a "cellular" phone), a computer with a Mobile Terminal, and the like, and for example, the Terminal may also be a portable, pocket, handheld, computer-embedded, or vehicle-mounted Mobile device, and they exchange voice and/or data with the RAN. The terminal in the embodiment of the present invention may also be a Device to Device (D2D) terminal or a Machine to Machine (M2M) terminal. The network device and the terminal are not particularly limited in the embodiment of the present invention.
In the embodiment of the present invention, the related precoding matrix/vector may be one precoding matrix or vector, or may be multiple precoding vectors, or may be one beam, or may be multiple beams, and in the embodiment of the present invention, specific beams and precoding thereof are not limited.
The embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, may implement the steps in the resource configuration method applied to the base station provided in the embodiment of the present invention, or the computer program, when executed by the processor, may implement the steps in the resource configuration method applied to the terminal provided in the embodiment of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be physically included alone, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute some steps of the transceiving method according to various embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The embodiment of the invention can be applied to a 5G system; the present invention is also applicable to other wireless communication systems, such as Long Term Evolution (LTE) System, Global System for Mobile communication (GSM) System, Mobile communication System (UMTS), Code Division Multiple Access (CDMA) System, and new network equipment System.
A terminal according to embodiments of the present invention may refer to a device that provides voice and/or data connectivity to a user, a handheld device having wireless connectivity, or other processing device connected to a wireless modem. Wireless user equipment may communicate with one or more core networks via a Radio Access Network (RAN), and terminals may be mobile terminals such as mobile telephones (or "cellular" telephones) and computers having mobile terminals, such as portable, pocket, hand-held, computer-included, or vehicle-mounted mobile devices, that exchange language and/or data with the RAN. Examples of such devices include Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and the like. A Terminal may also be referred to as a system, a Subscriber unit (Subscriber unit), a Subscriber Station (Subscriber Station), a Mobile Station (Mobile), a Remote Station (Remote Station), an Access Point (Access Point), a Remote Terminal (Remote Terminal), an Access Terminal (Access Terminal), a User Terminal (User Terminal), a User Agent (User Agent), a User equipment (User device), and a wireless device (wireless device).
The base station according to embodiments of the present invention may be a network device or may be configured to interconvert received air frames and IP packets as a router between the wireless terminal device and the rest of the access network, where the rest of the access network may include an Internet Protocol (IP) network device. The network device may also be a device that coordinates management of attributes for the air interface. For example, the network device may be a network device in a 5G System, such as a Next generation Base Station (Next generation Node B, gNB), a Base Transceiver Station (BTS) in a Global System for Mobile Communication (GSM) or Code Division Multiple Access (CDMA), a Base Station (NodeB) in a Wideband Code Division Multiple Access (WCDMA), or an evolved Node B (eNB or e-NodeB) in LTE, which is not limited in the embodiments of the present invention.
It is to be understood that the terms first, second, and the like in the description of the embodiments of the invention are used for distinguishing between the descriptions and not necessarily for describing a sequential or chronological order. "plurality" in the description of the embodiments of the present invention means two or more.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (65)

1. A resource allocation method is applied to a base station, and is characterized in that the method comprises the following steps:
receiving capability reporting information sent by a terminal, wherein the capability reporting information is used for expressing the antenna coherent transmission capability supported by the terminal;
configuring uplink reference signal resources for the terminal according to the capability report information;
the capability reporting information includes one or more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
2. The method of claim 1, further comprising:
receiving an uplink reference signal sent by the terminal;
determining a target precoding matrix used by the terminal for uplink transmission according to the signal quality of the uplink reference signal;
and sending the target precoding matrix indication information to the terminal.
3. The method of claim 1, wherein the capability reporting information comprises one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
a total number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups including a specific number of antennas supported by the terminal is the value agreed by the terminal and the base station or the value determined according to the rule agreed by the terminal and the base station.
4. The method according to claim 1 or 3, wherein the capability reporting information further comprises one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
5. The method of claim 3, wherein the configuring uplink transmission resources for the terminal according to the capability report information comprises:
configuring one or more uplink reference signal resources for the terminal, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
6. The method of claim 5, wherein the configuring uplink transmission resources for the terminal according to the capability report information further comprises:
sending first mapping relation information to the terminal, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And sending second mapping relation information to the terminal, wherein the second mapping relation information is the mapping relation information between the antenna port in the uplink reference signal resource and the antenna group in the capability reporting information.
7. The method of claim 4, wherein the configuring uplink transmission resources for the terminal according to the capability report information comprises:
configuring a plurality of uplink reference signal resources for the terminal, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the number of antennas contained in an antenna panel.
8. The method of claim 7, wherein the configuring uplink transmission resources for the terminal according to the capability report information further comprises:
and sending the mapping relation information between the uplink reference signal resource and the antenna panel in the capability report information to the terminal.
9. The method according to claim 2, wherein the determining a target precoding matrix used by the terminal for uplink transmission according to the signal quality of the uplink reference signal comprises:
traversing the precoding matrix of each element in a first set, determining a precoding matrix which enables the best quality of received signals to be the target precoding matrix, wherein uplink reference signal resources corresponding to the target precoding matrix are target elements, and the first set comprises the combination of the uplink reference signal resources and all the uplink reference signal resources; alternatively, the first and second electrodes may be,
traversing the precoding matrix of each element in a subset of the first set, and determining the precoding matrix which enables the best quality of the received signals as the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is the target element; alternatively, the first and second electrodes may be,
and traversing each precoding matrix contained in the second set, determining the precoding matrix which enables the best quality of the received signals to be the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is a target element, and the precoding matrix in the second set corresponds to the antenna coherent transmission relation in the uplink reference signal resource.
10. The method of claim 9,
if the target element is an uplink reference signal resource, searching the target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching the target precoding matrix from a second codebook, wherein the second codebook is a codebook in which the number of antennas is equal to the sum of the number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, searching the target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; alternatively, the first and second electrodes may be,
the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
11. The method according to claim 10, wherein the target precoding matrix formed by combining the precoding matrices corresponding to the uplink reference signal resources is a power-normalized precoding matrix.
12. The method according to any of claims 9, 10 and 11, wherein the target precoding matrix indication information comprises:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; or
And the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
13. The method of claim 12, wherein sending the target precoding matrix indicator information to the terminal comprises:
if the target element is an uplink reference signal resource, transmitting transmission precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information to the terminal;
if the target element is a combination of a plurality of uplink reference signal resources, transmitting uplink reference signal resource indication information and TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information to the terminal;
and if the target precoding matrix is selected according to the antenna coherent transmission relation in the uplink reference signal resource, transmitting the TPMI and/or TRI and/or the uplink reference signal resource indication information to the terminal.
14. The method of claim 13, wherein the TPMI indication comprises:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
15. The method of claim 9, further comprising:
and transmitting subset restriction information to the terminal, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources.
16. A resource allocation method is applied to a terminal, and is characterized in that the method comprises the following steps:
sending capability reporting information to a base station, wherein the capability reporting information is used for indicating the antenna coherent transmission capability supported by the terminal;
receiving uplink reference signal resource configuration information sent by the base station according to the capability report information;
sending an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information;
the capability reporting information includes one or more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
17. The method of claim 16, further comprising:
and receiving target precoding matrix indication information sent by the base station, and determining a precoding matrix for uplink transmission.
18. The method of claim 16, wherein the capability reporting information comprises one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
the number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups which contain a specific number of antennas and are supported by the terminal; the specific value is a value agreed by the terminal and the base station or a value determined according to a rule agreed by the terminal and the base station.
19. The method according to claim 16 or 18, wherein the capability reporting information further comprises one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
20. The method of claim 18, wherein the receiving uplink reference signal resource configuration information sent by the base station comprises:
receiving one or more uplink reference signal resources configured by the base station, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
21. The method of claim 20, wherein the receiving uplink reference signal resource configuration information sent by a base station further comprises:
receiving first mapping relation information sent by the base station, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And receiving second mapping relationship information sent by the base station, where the second mapping relationship information is mapping relationship information between an antenna port in the uplink reference signal resource and an antenna group in the capability reporting information.
22. The method of claim 19, wherein the receiving uplink reference signal resource configuration information sent by the base station comprises:
receiving a plurality of uplink reference signal resources configured by the base station, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the number of antennas included in an antenna panel.
23. The method of claim 22, wherein the receiving uplink reference signal resource configuration information sent by a base station further comprises:
and receiving the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information.
24. The method of claim 16, wherein the sending an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information comprises:
transmitting the uplink reference signal by using an antenna group with the number of antennas equal to or greater than that of the uplink reference signal resources; alternatively, the first and second electrodes may be,
the base station configures a plurality of uplink reference signal resources for the terminal, and for each uplink reference signal resource, the terminal transmits an uplink reference signal by using an antenna group with the same number of antennas and the number of antenna ports contained in the antenna group, and different antenna groups correspond to different uplink reference signal resources.
25. The method of claim 21, wherein the sending an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information further comprises:
according to the first mapping relation information, the antenna group corresponding to the uplink reference signal resource is used for sending the uplink reference signal to the base station; alternatively, the first and second electrodes may be,
and according to the second mapping relation information, transmitting the uplink reference signal to the base station by using the antenna group corresponding to the uplink reference signal resource.
26. The method of claim 23, wherein the sending an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information further comprises:
and determining and sending the uplink reference signal resource antenna panel according to the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information, and sending the uplink reference signal resource by using the antenna panel.
27. The method of claim 17, wherein the target precoding matrix indicator information comprises:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; alternatively, the first and second electrodes may be,
and the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
28. The method of claim 25, wherein the receiving the indication information of the target precoding matrix sent by the base station and determining the precoding matrix for uplink transmission comprises:
if the target precoding matrix indication information is the TPMI information and/or TRI information of the uplink reference signal resource corresponding to the uplink reference signal resource indication information, determining a corresponding transmitting antenna according to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission;
if the target precoding matrix indication information is the uplink reference signal resource indication information and the TPMI information and/or TRI information, determining a corresponding antenna according to the uplink reference signal resource indication information, determining a target codebook as a codebook with the antenna number being the sum of the antenna numbers of the uplink reference signal resources corresponding to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission according to the target codebook and the TPMI information and/or TRI information;
if the target precoding matrix indication information is the TPMI information and/or the TRI information, determining a precoding matrix for uplink transmission according to the TPMI information and/or the TRI information;
and if the target precoding matrix indication information is the TPMI information, selecting a precoding matrix with an antenna coherent transmission relation from a codebook corresponding to the TPMI information as a precoding matrix for uplink transmission.
29. The method of claim 27, wherein the TPMI indication comprises:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
30. The method of claim 26, further comprising:
receiving subset restriction information sent by the base station, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources;
the receiving target precoding matrix indication information sent by the base station and determining a precoding matrix used for uplink transmission specifically includes:
and determining a precoding matrix used for uplink transmission by using the target precoding matrix indication information in a subset limitation range corresponding to the subset limitation information.
31. The method of claim 26, wherein when the precoding matrix for uplink transmission is composed of at least two parts, the precoding matrix for uplink transmission is a power-normalized precoding matrix.
32. A base station, characterized in that the base station comprises:
the first receiving module is used for receiving capability reporting information sent by a terminal, wherein the capability reporting information is used for representing the antenna coherent transmission capability supported by the terminal;
a configuration module, configured to configure an uplink reference signal resource for the terminal according to the capability report information;
the capability reporting information includes one or more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
33. The base station of claim 32, wherein the base station further comprises:
a second receiving module, configured to receive an uplink reference signal sent by the terminal;
a determining module, configured to determine, according to the signal quality of the uplink reference signal, a target precoding matrix used by the terminal for uplink transmission;
and the sending module is used for sending the target precoding matrix indication information to the terminal.
34. A terminal, characterized in that the terminal comprises:
the first sending module is used for sending capability reporting information to a base station, wherein the capability reporting information is used for expressing the antenna coherent transmission capability supported by the terminal;
a receiving module, configured to receive uplink reference signal resource configuration information sent by a base station, where the uplink reference signal resource configuration information is configured for the terminal by the base station according to the capability reporting information;
a second sending module, configured to send an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information;
the capability reporting information includes one or more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
35. The terminal of claim 34, wherein the terminal further comprises:
and the determining module is used for receiving the target precoding matrix indication information sent by the base station and determining a precoding matrix used for uplink transmission.
36. A base station comprising a memory, a processor, a transceiver, and a computer program stored on the memory and executable on the processor; it is characterized in that the preparation method is characterized in that,
the transceiver is configured to: receiving capability reporting information sent by a terminal, wherein the capability reporting information is used for expressing the antenna coherent transmission capability supported by the terminal;
the processor is used for reading the computer program and executing the following steps:
configuring uplink reference signal resources for the terminal according to the capability report information;
the capability reporting information includes one or more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
37. The base station of claim 36,
the transceiver is further configured to: receiving an uplink reference signal sent by the terminal;
the processor is further configured to read the computer program and execute the following steps:
determining a target precoding matrix used by the terminal for uplink transmission according to the signal quality of the uplink reference signal;
the transceiver is further configured to: and sending the target precoding matrix indication information to the terminal.
38. The base station of claim 36, wherein the capability reporting information comprises one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
a total number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups including a specific number of antennas supported by the terminal is the value agreed by the terminal and the base station or the value determined according to the rule agreed by the terminal and the base station.
39. The base station of claim 36 or 38, wherein the capability report information further comprises one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
40. The base station of claim 38, wherein the processor is further configured to read the computer program and perform the following steps:
configuring one or more uplink reference signal resources for the terminal, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
41. The base station of claim 40, wherein the processor is further configured to read the computer program and perform the following steps:
sending first mapping relation information to the terminal, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And sending second mapping relation information to the terminal, wherein the second mapping relation information is the mapping relation information between the antenna port in the uplink reference signal resource and the antenna group in the capability reporting information.
42. The base station of claim 39, wherein the processor is further configured to read the computer program and perform the following steps:
configuring a plurality of uplink reference signal resources for the terminal, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and configuring an uplink reference signal resource for the terminal, wherein the number of antenna ports contained in the uplink reference signal resource is equal to the number of antennas contained in an antenna panel.
43. The base station of claim 42, wherein the processor is further configured to read the computer program and perform the following steps:
and sending the mapping relation information between the uplink reference signal resource and the antenna panel in the capability report information to the terminal.
44. The base station of claim 37, wherein the processor is further configured to read the computer program and perform the following steps:
traversing the precoding matrix of each element in a first set, determining a precoding matrix which enables the best quality of received signals to be the target precoding matrix, wherein uplink reference signal resources corresponding to the target precoding matrix are target elements, and the first set comprises the combination of the uplink reference signal resources and all the uplink reference signal resources; alternatively, the first and second electrodes may be,
traversing the precoding matrix of each element in a subset of the first set, and determining the precoding matrix which enables the best quality of the received signals as the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is the target element; alternatively, the first and second electrodes may be,
and traversing each precoding matrix contained in the second set, determining the precoding matrix which enables the best quality of the received signals to be the target precoding matrix, wherein the uplink reference signal resource corresponding to the target precoding matrix is a target element, and the precoding matrix in the second set corresponds to the antenna coherent transmission relation in the uplink reference signal resource.
45. The base station of claim 44,
if the target element is an uplink reference signal resource, searching the target precoding matrix from a first codebook, wherein the first codebook is a codebook with the same number of antennas and the same number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, and all the uplink reference signal resources correspond to the same antenna group, searching the target precoding matrix from a second codebook, wherein the second codebook is a codebook in which the number of antennas is equal to the sum of the number of antenna ports contained in the target element;
if the target element is a combination of a plurality of uplink reference signal resources, searching the target precoding matrix from a third codebook, wherein the third codebook is a codebook with the number of antennas equal to the sum of the number of antenna ports contained in the target element; alternatively, the first and second electrodes may be,
the target precoding matrix is formed by combining precoding matrixes in a codebook corresponding to the number of antenna ports contained in each uplink reference signal resource.
46. The BS of claim 45, wherein the target pre-coding matrix formed by combining pre-coding matrices corresponding to respective uplink reference signal resources is a power-normalized pre-coding matrix.
47. The base station according to any of claims 44, 45 and 46, wherein the target precoding matrix indicator information comprises:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; or
And the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
48. The base station of claim 47, wherein the transceiver is further configured to:
if the target element is an uplink reference signal resource, transmitting transmission precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information to the terminal;
if the target element is a combination of a plurality of uplink reference signal resources, transmitting uplink reference signal resource indication information and TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information to the terminal;
and if the target precoding matrix is selected according to the antenna coherent transmission relation in the uplink reference signal resource, transmitting the TPMI and/or TRI and/or the uplink reference signal resource indication information to the terminal.
49. The base station of claim 48, wherein the TPMI is indicated by:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
50. The base station of claim 49, wherein the transceiver is further configured to:
and transmitting subset restriction information to the terminal, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources.
51. A terminal comprising a transceiver; wherein the transceiver is configured to:
sending capability reporting information to a base station, wherein the capability reporting information is used for indicating the antenna coherent transmission capability supported by the terminal;
receiving uplink reference signal resource configuration information sent by a base station, wherein the uplink reference signal resource configuration information is configured for the terminal by the base station according to the capability report information;
sending an uplink reference signal to the base station according to the uplink reference signal resource configuration information and the capability reporting information;
the capability reporting information includes one or more of the following information:
information indicating that the terminal supports coherent transmission of all antennas;
information indicating that the terminal supports partial antenna coherent transmission;
information indicating that the terminal does not support coherent transmission of any two antennas.
52. The terminal of claim 51, further comprising a memory, a processor, and a computer program stored on the memory and executable on the processor;
the processor is used for reading the computer program and executing the following steps:
and receiving target precoding matrix indication information sent by the base station, and determining a precoding matrix for uplink transmission.
53. The terminal of claim 51, wherein the capability reporting information comprises one or more of the following information:
the antenna grouping information of the terminal comprises: the number of antenna groups of the terminal and/or the number of antennas included in each antenna group of the terminal;
the number of antenna groups that the terminal supports coherent transmission;
the number of antennas contained in each antenna group of the terminal supporting coherent transmission;
the number of antennas supported by the terminal;
all antenna groups of the terminal supporting coherent transmission comprise the maximum value of the number of antennas;
the number of antenna groups which contain a specific number of antennas and are supported by the terminal; the specific value is a value agreed by the terminal and the base station or a value determined according to a rule agreed by the terminal and the base station.
54. The terminal of claim 51 or 53, wherein the capability reporting information further comprises one or more of the following information:
the number of antenna panels supported by the terminal;
the number of antennas included in each antenna panel supported by the terminal;
and mapping relation information between the antenna panel and the antenna group supported by the terminal.
55. The terminal of claim 53, wherein the transceiver is further configured to:
receiving one or more uplink reference signal resources configured by the base station, wherein the number of antenna ports included in each uplink reference signal resource corresponds to the number of antennas included in one or more antenna groups in the capability report information; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the total number of antennas supported by the terminal.
56. The terminal of claim 55, wherein the transceiver is further configured to:
receiving first mapping relation information sent by the base station, wherein the first mapping relation information is mapping relation information between the uplink reference signal resource and an antenna group in the capability reporting information; or
And receiving second mapping relationship information sent by the base station, where the second mapping relationship information is mapping relationship information between an antenna port in the uplink reference signal resource and an antenna group in the capability reporting information.
57. The terminal of claim 54, wherein the transceiver is further configured to:
receiving a plurality of uplink reference signal resources configured by the base station, wherein the number of antenna ports contained in each uplink reference signal resource is equal to the number of antennas contained in one antenna panel; alternatively, the first and second electrodes may be,
and receiving an uplink reference signal resource configured by the base station, wherein the number of antenna ports included in the uplink reference signal resource is equal to the number of antennas included in an antenna panel.
58. The terminal of claim 57, wherein the transceiver is further configured to:
and receiving the mapping relation information between the uplink reference signal resource sent by the base station and the antenna panel in the capability report information.
59. The terminal of claim 52, wherein the transceiver is further configured to:
according to mapping relation information between the uplink reference signal resources configured by the base station and antenna groups contained in the coherent transmission capability information, transmitting the uplink reference signals to the base station by using at least one target antenna group, wherein the at least one target antenna group is at least one antenna group corresponding to the uplink reference signal resources; alternatively, the first and second electrodes may be,
selecting a target antenna group with the number of antennas equal to or greater than the number of antennas of the uplink reference signal resource to transmit the uplink reference signal; alternatively, the first and second electrodes may be,
selecting a target antenna group to send a plurality of uplink reference signals, wherein different uplink reference signals correspond to different antennas; alternatively, the first and second electrodes may be,
and selecting an antenna corresponding to the uplink reference signal resource configured by the base station to transmit the uplink reference signal.
60. The terminal of claim 52, wherein the target precoding matrix indicator information comprises:
transmitting precoding matrix indication information TPMI and/or transmission rank indication information TRI and/or uplink reference signal resource indication information; alternatively, the first and second electrodes may be,
and the uplink reference signal resource indication information and the TPMI and/or TRI of the uplink reference signal resource corresponding to the uplink reference signal resource indication information.
61. The terminal according to claim 60, wherein the processor is further configured to read the computer program and perform the following steps:
if the target precoding matrix indication information is the TPMI information and/or TRI information of the uplink reference signal resource corresponding to the uplink reference signal resource indication information, determining a corresponding transmitting antenna according to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission;
if the target precoding matrix indication information is the uplink reference signal resource indication information and the TPMI information and/or TRI information, determining a corresponding antenna according to the uplink reference signal resource indication information, determining a target codebook as a codebook with the antenna number being the sum of the antenna numbers of the uplink reference signal resources corresponding to the uplink reference signal resource indication information, and determining a precoding matrix for uplink transmission according to the target codebook and the TPMI information and/or TRI information;
if the target precoding matrix indication information is the TPMI information and/or the TRI information, determining a precoding matrix for uplink transmission according to the TPMI information and/or the TRI information;
and if the target precoding matrix indication information is the TPMI information, selecting a precoding matrix with an antenna coherent transmission relation from a codebook corresponding to the TPMI information as a precoding matrix for uplink transmission.
62. The terminal of claim 61, wherein the TPMI indication comprises:
the TPMI is indicated through indexes of precoding matrixes with antenna coherent transmission relations in a first codebook; or
The TPMI is indicated through the index of a precoding matrix in a second codebook, and the second codebook is formed by recombining the precoding matrices with the antenna coherent transmission relation in the first codebook.
63. The terminal of claim 61, wherein the transceiver is further configured to:
receiving subset restriction information sent by the base station, wherein the subset restriction information represents information for selecting a subset from a set consisting of all uplink reference signal resources and combinations of the uplink reference signal resources;
the processor is further configured to read the computer program and execute the following steps:
and determining a precoding matrix used for uplink transmission by using the target precoding matrix indication information in a subset limitation range corresponding to the subset limitation information.
64. The terminal of claim 61, wherein when the precoding matrix for uplink transmission is composed of at least two parts, the precoding matrix for uplink transmission is a power-normalized precoding matrix.
65. A computer-readable storage medium for storing a computer program, wherein the computer program, when executed by a processor, implements the steps in the method according to any one of claims 1 to 15; or which when executed by a processor performs the steps in the method of any one of claims 16 to 31.
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