CN111315031B - Uplink transmission method, terminal and network equipment - Google Patents

Uplink transmission method, terminal and network equipment Download PDF

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CN111315031B
CN111315031B CN201910013266.2A CN201910013266A CN111315031B CN 111315031 B CN111315031 B CN 111315031B CN 201910013266 A CN201910013266 A CN 201910013266A CN 111315031 B CN111315031 B CN 111315031B
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spatial domain
domain transmission
uci
terminal
transmission filtering
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CN111315031A (en
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鲁智
沈晓冬
孙鹏
孙晓东
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses an uplink transmission method, a terminal and network equipment, wherein the method comprises the following steps: receiving scheduling information indicating Physical Uplink Control Channel (PUCCH) resources; and according to the scheduling information, transmitting Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filtering parameters to the network equipment on non-overlapping PUCCH resources. According to the scheduling information of the PUCCH resources, when UCI is sent to a plurality of TRPs, the terminal of the embodiment of the invention can respectively send the UCI corresponding to different spatial domain transmission filter parameters through the non-overlapping PUCCH resources, thereby ensuring that the plurality of PUCCH resources do not conflict and improving the effectiveness and reliability of uplink transmission.

Description

Uplink transmission method, terminal and network equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an uplink transmission method, a terminal, and a network device.
Background
Fifth generation (5)thGeneration, 5G) mobile communication systems need to adapt to diversified scenarios and business requirements, and the main scenarios of 5G systems include: enhanced Mobile Broadband (eMBB) communication, massive Machine Type Communications (mMTC), and high-reliability Ultra-Low Latency communication (URLLC). These scenarios put demands on the system such as high reliability, low delay, large bandwidth, and wide coverage. For certain scenarios of traffic, higher bandwidth transmission is required to provide higher transmission rates. For example, the terminal may Receive data of multiple Physical Downlink Shared Channels (PDSCHs) from multiple TRPs, where the data of the multiple PDSCHs may be the same or different. Accordingly, the terminal may feed back one or more Physical Uplink Control Channels (PUCCHs) corresponding to the PDSCHs to the plurality of TRPs,to carry Uplink Control Information (UCI). If the plurality of PUCCHs are overlapped, a phase imbalance problem is caused, and the receiving performance of the network equipment is affected.
Disclosure of Invention
The embodiment of the invention provides an uplink transmission method, a terminal and network equipment, and aims to solve the problem of unbalanced transmission phases of multiple PUCCHs in a multi-TRP transmission scene.
In a first aspect, an embodiment of the present invention provides an uplink transmission method, applied to a terminal, including:
receiving scheduling information indicating Physical Uplink Control Channel (PUCCH) resources;
and according to the scheduling information, transmitting Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filtering parameters to the network equipment on non-overlapping PUCCH resources.
In a second aspect, an embodiment of the present invention further provides a terminal, including:
a first receiving module, configured to receive scheduling information indicating a Physical Uplink Control Channel (PUCCH) resource;
and the first sending module is used for sending uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters to the network equipment on non-overlapping PUCCH resources according to the scheduling information.
In a third aspect, an embodiment of the present invention provides a terminal, where the terminal includes a processor, a memory, and a computer program stored in the memory and running on the processor, and when the computer program is executed by the processor, the steps of the uplink transmission method are implemented.
In a fourth aspect, an embodiment of the present invention provides an uplink transmission method, which is applied to a network device, and includes:
transmitting scheduling information for indicating a Physical Uplink Control Channel (PUCCH) resource to a terminal;
and receiving Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filtering parameters on non-overlapping PUCCH resources, wherein the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
In a fifth aspect, an embodiment of the present invention provides a network device, including:
a second sending module, configured to send, to the terminal, scheduling information used for indicating a physical uplink control channel PUCCH resource;
and a second receiving module, configured to receive uplink control information UCI corresponding to the at least two spatial domain transmission filter parameters on non-overlapping PUCCH resources, where the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
In a sixth aspect, an embodiment of the present invention further provides a network device, where the network device includes a processor, a memory, and a computer program stored in the memory and running on the processor, and when the processor executes the computer program, the steps of the uplink transmission method described above are implemented.
In a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the uplink transmission method are implemented.
Therefore, according to the scheduling information of the PUCCH resources, when UCI is sent to a plurality of TRPs, the terminal of the embodiment of the invention can respectively send the UCI corresponding to different spatial domain transmission filter parameters through the non-overlapping PUCCH resources, thereby ensuring that the plurality of PUCCH resources do not conflict and improving the effectiveness and reliability of uplink transmission.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 shows a block diagram of an architecture of a mobile communication system to which an embodiment of the present invention is applicable;
fig. 2 is a flowchart illustrating an uplink transmission method of a terminal according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a mobile communications scenario in which embodiments of the present invention are applicable;
fig. 4 is a schematic block diagram of a terminal according to an embodiment of the present invention;
FIG. 5 shows a block diagram of a terminal of an embodiment of the invention;
fig. 6 is a flowchart illustrating an uplink transmission method of a network device according to an embodiment of the present invention;
FIG. 7 is a block diagram of a network device according to an embodiment of the present invention;
fig. 8 shows a block diagram of a network device of an embodiment of the invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. In the description and in the claims "and/or" means at least one of the connected objects.
The techniques described herein are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, and may also be used for various wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" are often used interchangeably. The techniques described herein may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. However, the following description describes the NR system for purposes of example, and NR terminology is used in much of the description below, although the techniques may also be applied to applications other than NR system applications.
The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the spirit and scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described methods may be performed in an order different than described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Referring to fig. 1, fig. 1 is a block diagram of a wireless communication system to which an embodiment of the present invention is applicable. Signal transmission is realized between the network device 01 and the terminal 02 through an antenna beam, which is formed by a spatial domain transmission filter (spatial domain transmission filter). For example, in fig. 1, it is assumed that the network device 01 includes N Transmit Receive Points (TRPs), each TRP includes a spatial domain transmission filter to form N beams, and the terminal 02 includes M spatial domain transmission filters to form M beams, where N, M are integers greater than 1. N and M may be the same or different, and the application is not limited.
The uplink transmission method of the embodiment of the present invention is applied to a terminal, and as shown in fig. 2, the uplink transmission method includes the following steps:
step 21: scheduling information indicating physical uplink control channel, PUCCH, resources is received.
The scheduling information is used for indicating a plurality of PUCCH resources of each TRP so as to assist the terminal in uplink transmission of a plurality of TRPs. The number of the scheduling information may be multiple, and one piece of scheduling information indicates multiple PUCCH resources of one TRP, that is, each piece of scheduling information indicates multiple PUCCH resources of a corresponding TRP. For example, the terminal receives the PUCCH Resource configured by the network device through higher layer signaling, such as Radio Resource Control (RRC) signaling. The terminal receives a Physical Downlink Control Channel (PDCCH), and obtains Downlink Control Information (DCI) by decoding the PDCCH. And the terminal obtains a plurality of PUCCH resources aiming at each TRP through the DCI.
Step 22: and according to the scheduling information, transmitting Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filtering parameters to the network equipment on non-overlapping PUCCH resources.
The terminal obtains scheduling information of PUCCH resources of different TRPs, and sends UCI corresponding to at least two spatial domain transmission filter parameters to the network equipment on the non-overlapping PUCCH resources. Here, the terminal transmits UCI to the TRP corresponding to the spatial domain transmission filter parameters by using different spatial domain transmission filter parameters on non-overlapping PUCCH resources. As shown in fig. 3, assuming that the network device includes two TRPs, i.e., TRP1 and TRP2, the terminal transmits UCI to TRP1 on PUCCH resource 1 using spatial transmission filter parameter 1, and transmits UCI to TRP2 on PUCCH resource 2 using spatial transmission filter parameter 2. Wherein, the TRP1 corresponds to spatial domain transmission filter parameter 1, and the spatial domain transmission filter parameter 1 corresponds to PUCCH resource 1; the TRP2 corresponds to spatial domain transmission filter parameter 2, and the spatial domain transmission filter parameter 2 corresponds to PUCCH resource 2; wherein PUCCH resource 1 and PUCCH resource 2 do not overlap. It should be noted that the spatial domain transmission filter parameters according to the embodiment of the present invention may also correspond to a downlink quasi Co-location (QCL) parameter, and the spatial domain transmission filter parameters are used to indicate information such as a QCL type and a TRP corresponding to the UCI.
In the embodiment of the invention, one piece of scheduling information is used for indicating at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter. That is, the number of the scheduling information received by the terminal may be multiple, where one scheduling information indicates multiple PUCCH resources of one spatial domain transmission filter parameter, and one spatial domain transmission filter parameter corresponds to one TRP, and then each scheduling information indicates multiple PUCCH resources of the TRP corresponding to one spatial domain transmission filter parameter.
Alternatively, step 22 of the present embodiment may be implemented by, but is not limited to, the following:
in a first mode
Step 22 comprises: transmitting UCI corresponding to the first spatial domain transmission filtering parameter to the network equipment on the first PUCCH resource according to the scheduling information; transmitting, to the network device, the UCI corresponding to the second spatial domain transmission filtering parameters on the second PUCCH resource. And the second PUCCH resource is not overlapped with the first PUCCH resource, and the first spatial domain transmission filtering parameter and the second spatial domain transmission filtering parameter belong to at least two spatial domain transmission filtering parameters. For example, the terminal is indicated to use PUCCH resource 1 and resource 2 corresponding to a first spatial transmission filtering parameter, such as spatial transmission filtering parameter i; the terminal is instructed to use PUCCH resource 3 and resource 4 corresponding to a second spatial transmission filtering parameter, such as spatial transmission filtering parameter j. If the terminal receives the DCI corresponding to the QCL parameter i first, the terminal transmits by using PUCCH resource 1 corresponding to spatial domain transmission filter parameter i, if the terminal receives the DCI corresponding to the QCL parameter j later, the terminal plans to transmit by using PUCCH resource 3 corresponding to spatial domain transmission filter parameter j, and if the PUCCH resource 1 and the PUCCH resource 3 are overlapped, the terminal can use PUCCH resource 4 of spatial domain transmission filter parameter j. Thus, the terminal transmits PUCCH resource 1 of spatial domain transmission filter parameter i and PUCCH resource 4 of spatial domain transmission filter parameter j.
The above lists the embodiments of sending UCI on 2 PUCCHs respectively using different spatial domain transmission filtering parameters, but the first embodiment of the present invention is also applicable to uplink transmission corresponding to more spatial domain transmission filtering parameters.
Optionally, step 22 comprises: according to the scheduling information, transmitting UCI corresponding to the ith spatial domain transmission filtering parameter in at least two spatial domain transmission filtering parameters to network equipment on a target PUCCH resource; wherein the target PUCCH resources are: and one of the at least two uplink transmission resources corresponding to the ith spatial domain transmission filtering parameter, which is not overlapped with the PUCCH resource corresponding to the first i-1 spatial domain transmission filtering parameters, wherein i is a positive integer. Wherein, when i is 1, the target PUCCH resource is one of PUCCH resources corresponding to a first spatial transmission filtering parameter of the at least two spatial transmission filtering parameters. Assuming that the number of spatial domain transmission filter parameters is 4, corresponding to a first spatial domain transmission filter parameter, such as spatial domain transmission filter parameter 1, the terminal is indicated to use PUCCH resource 1 and resource 2; the terminal is instructed to use PUCCH resources 3 and resources 4 corresponding to a second spatial transmission filtering parameter, such as spatial transmission filtering parameter 2. Corresponding to a third spatial domain transmission filtering parameter, such as spatial domain transmission filtering parameter 3, the terminal is instructed to use PUCCH resource 5 and resource 6; corresponding to a fourth spatial transmission filtering parameter, such as spatial transmission filtering parameter 4, the terminal is instructed to use PUCCH resources 7 and resources 8. If the terminal receives DCI corresponding to QCL parameter 1(QCL parameter 1 corresponds to spatial domain transmission filter parameter 1) first, the terminal transmits using PUCCH resource 1 corresponding to spatial domain transmission filter parameter 1, if the terminal receives DCI corresponding to QCL parameter 2(QCL parameter 2 corresponds to spatial domain transmission filter parameter 2), the terminal plans to transmit using PUCCH resource 3 corresponding to spatial domain transmission filter parameter 2, and if PUCCH resource 1 and PUCCH resource 3 overlap, the terminal may use PUCCH resource 4 corresponding to spatial domain transmission filter parameter 2. If the terminal receives DCI corresponding to QCL parameter 3(QCL parameter 3 corresponds to spatial transmission filter parameter 3), the terminal plans to transmit using PUCCH resource 6 corresponding to spatial transmission filter parameter 3, and if PUCCH resource 6 overlaps PUCCH resource 1 (or 4), the terminal may use PUCCH resource 5 corresponding to spatial transmission filter parameter 3. If the terminal receives DCI corresponding to QCL parameter 4(QCL parameter 4 corresponds to spatial transmission filter parameter 4), the terminal plans to transmit using PUCCH resource 7 corresponding to spatial transmission filter parameter 4, and if PUCCH resource 7 does not overlap PUCCH resource 1 (or 4 or 5), the terminal may use PUCCH resource 7. Thus, the terminal transmits the PUCCH resource 1 of the spatial domain transmission filter parameter 1, the PUCCH resource 4 of the spatial domain transmission filter parameter 2, the PUCCH resource 5 of the spatial domain transmission filter parameter 3, and the PUCCH resource 7 of the spatial domain transmission filter parameter 4.
Therefore, UCI is respectively sent to different TRPs through non-overlapping PUCCHs, and the effectiveness and reliability of uplink transmission can be improved.
The second way,
Step 22 comprises: and determining a PUCCH resource set corresponding to the at least two spatial domain transmission filtering parameters according to the scheduling information, and sending UCI corresponding to the at least two spatial domain transmission filtering parameters to the network equipment through the PUCCH resource set. And the PUCCH resources corresponding to different spatial domain transmission filtering parameters in the PUCCH resource set are not overlapped.
The method comprises the following steps: among a plurality of PUCCH resources corresponding to different spatial domain transmission filtering parameters (or QCL parameters), the terminal may autonomously select non-overlapping PUCCH resources for transmission. Assuming that the terminal is instructed to use PUCCH resource 1 and resource 2 corresponding to spatial domain transmission filtering parameter i; the terminal is instructed to use PUCCH resource 3 and resource 4 corresponding to spatial domain transmission filter parameter j. The terminal may autonomously select 2 non-overlapping resources if PUCCH resource 1 and PUCCH resource 4 do not overlap and PUCCH resource 2 and PUCCH resource 3 do not overlap. The terminal can select a PUCCH resource set consisting of PUCCH resources 1 and 4, can also select a PUCCH resource set consisting of PUCCH resources 2 and 3, and sends UCI corresponding to at least two spatial domain transmission filtering parameters to the network equipment through the PUCCH resource set.
Therefore, the terminal autonomously selects non-overlapping PUCCHs to form a PUCCH resource set, and sends UCI to different TRPs through different PUCCHs in the PUCCH resource set, so that the effectiveness and reliability of uplink transmission can be improved.
It is worth noting that the PUCCH resource set is a set of non-overlapping resource components selected by the UE from the indicated PUCCH resources to transmit UCI to different TRPs. The resource set is a subset of the PUCCH resource set configured by RRC signaling.
The scheduling information of the embodiment of the invention comprises: at least one PUCCH Resource Indication (PRI) information, wherein one PRI information indicates at least one PUCCH Resource corresponding to one spatial domain transmission filtering parameter. The scheduling information is carried in DCI, the DCI comprises a PRI information, and the PRI information indicates at least one PUCCH resource corresponding to a spatial domain transmission filtering parameter; alternatively, the DCI includes a plurality of pieces of PRI information, one piece of PRI information indicating one PUCCH resource corresponding to one spatial domain transmission filtering parameter. That is, one PRI information indicates a plurality of PUCCH resources, or one PRI information indicates one PUCCH resource.
The network device may configure one or more PUCCH resources for each spatial domain transmission filtering parameter (i.e., each QCL parameter) for the terminal, for example, a plurality of PUCCH resources are configured corresponding to the spatial domain transmission filtering parameter i, and a plurality of PUCCH resources are configured corresponding to the spatial domain transmission filtering parameter j. Wherein, the PUCCH resource configured corresponding to the spatial domain transmission filtering parameter i may be the same as, partially the same as, or different from the PUCCH resource configured corresponding to the QCL parameter j. In each scheduling, the network device indicates in the DCI that the plurality of PUCCH resources do not overlap for corresponding to one spatial domain transmission filtering parameter. An indication field of PRI information in DCI may be referred to in table 1, where the indication field is used to indicate a plurality of PUCCH resources configured corresponding to QCL parameter i.
TABLE 1
Figure BDA0001938132440000081
The network equipment configures PUCCH resources 1-8 for the terminal through RRC, and indicates in the PRI information of the DCI that the PUCCH resources corresponding to QCL parameter i are: PUCCH resource 1 and PUCCH resource 2 indicated by PRI ═ 1, as shown in the above table labeled 1.
In addition, the DCI may include a plurality of indication fields of PRI information, which may be referred to in table 1 and table 2 below, where the indication fields of PRI information in table 1 are used to indicate a plurality of PUCCH resources configured by spatial domain transmission filtering parameter i, and the indication fields of PRI information in table 2 are used to indicate a plurality of PUCCH resources configured by spatial domain transmission filtering parameter j.
TABLE 2
Figure BDA0001938132440000091
The network equipment configures PUCCH resources 1-8 for the terminal through RRC, and indicates in the PRI information of the DCI that the PUCCH resources corresponding to QCL parameter j are as follows: PUCCH3 and PUCCH4 indicated by PRI ═ 3, as shown in the above table labeled 1.
Furthermore, the network device may configure one or more PUCCH resources for each spatial domain transmission filtering parameter (corresponding to each QCL parameter) for the terminal, e.g., multiple PUCCH resources for spatial domain transmission filtering parameter i, and one PRI information indicates one PUCCH resource corresponding to one spatial domain transmission filtering parameter. The indication fields of the PRI information in the DCI can be referred to in tables 3 and 4, and a plurality of PUCCH resources configured by the spatial domain transmission filtering parameter i are indicated by the indication fields of different PRI information.
TABLE 3
Figure BDA0001938132440000092
Figure BDA0001938132440000101
TABLE 4
Figure BDA0001938132440000102
The network equipment configures PUCCH resources 1-8 for the terminal through RRC, and indicates that the PUCCH resources corresponding to the spatial domain transmission filtering parameter i in the PRI information 1 of the DCI are as follows: PUCCH resource 1 indicated by PRI ═ 1, and PUCCH resources corresponding to spatial transmission filtering parameter i indicated in PRI information 2 of DCI are: PUCCH resource 2 indicated by PRI ═ 2, as shown by the label 1 in tables 3 and 4 above.
In addition, the UCI of the embodiment of the present invention includes: a spatial domain transmission filter parameter indication field (or corresponding to a QCL parameter indication field); the spatial domain transmission filter parameter indication field is used for indicating the corresponding relation between the UCI and the spatial domain transmission filter parameters. That is, if the same PUCCH resource set is used corresponding to a plurality of spatial domain transmission filter parameters, a spatial domain transmission filter parameter indication field may be added to the UCI to assist the network device side in obtaining to which spatial domain transmission filter parameter the PUCCH transmitted by the terminal corresponds.
And adding a spatial domain transmission filtering parameter indication field in the UCI load to indicate which spatial domain transmission filtering parameter the PUCCH aims at. Wherein the spatial domain transmission filter parameter indication field comprises N indication bits, where N equals to ceiling (log)2M) is the number of the spatial domain transmission filtering parameters. That is, the QCL parameter indication field may include N-ceiling (log)2M) bits whose value is used to indicate for which spatial transmit filter parameter the PUCCH (or UCI) is directed. Therefore, the network equipment side can be assisted to determine with less bit overhead: and acquiring the spatial domain transmission filtering parameter corresponding to the PUCCH transmitted by the terminal. In order to reduce complexity. The spatial domain transmission filtering parameter indication field can also adopt a bitmap mode to indicate corresponding spatial domain transmission filtering parameters, namely the spatial domain transmission filtering parameter indication field comprises M indication bits, and M is the number of the spatial domain transmission filtering parameters.
Further, the spatial domain transmission filter parameter indication field may be mapped into Resource Elements (REs) of the PUCCH according to a preset rule. If the frequency domain position of the spatial domain transmission filtering parameter indication domain is located between demodulation Reference signals (DMRSs) of the UCI, in an extreme case, the frequency domain position of the spatial domain transmission filtering parameter indication domain is located between the demodulation Reference signals DMRSs at two ends of the UCI frequency domain Resource, and preferably, the spatial domain transmission filtering parameter indication domain information is preferentially mapped to REs next to the middle demodulation Reference Signal DMRS in one Resource Block (RB). In this way, better channel estimation performance can be obtained by mapping the spatial domain transmission filter parameter indication domain to the vicinity of the DMRS. Further, acknowledgement messages, such as ACK/NACK, etc., may be mapped at other REs of the PUCCH resource.
In the above, in the scenario where the same PUCCH resource set is used corresponding to multiple spatial domain transmission filter parameters, the terminal directly indicates, through the spatial domain transmission filter parameter indication field, which spatial domain transmission filter parameter corresponds to the PUCCH, in an explicit indication manner.
Wherein, the UCI may also include: channel State Indication (CSI) information, a scrambling sequence of which is related to spatial domain transmission filtering parameters. Thus, the network device can be assisted to determine according to the scrambling sequence of the CSI information: and acquiring the spatial domain transmission filtering parameter corresponding to the PUCCH transmitted by the terminal. The CSI information of the UCI may be scrambled using an n _ scrambling _ ID, and the scrambling value may be obtained from a Control Resource set (coreset) configuration parameter for detecting the DCI.
In the uplink transmission method of the embodiment of the invention, when the terminal sends UCI to a plurality of TRPs according to the scheduling information of PUCCH resources, the UCI corresponding to different spatial domain transmission filter parameters can be respectively sent through non-overlapping PUCCH resources, so that the plurality of PUCCH resources are ensured not to conflict, and the effectiveness and reliability of uplink transmission are improved.
The above embodiments describe uplink transmission methods in different scenarios, and a terminal corresponding to the uplink transmission method will be further described with reference to the accompanying drawings.
As shown in fig. 4, a terminal 400 according to an embodiment of the present invention can receive scheduling information indicating a PUCCH resource in a physical uplink control channel in the foregoing embodiment; according to the scheduling information, the details of the uplink control information UCI method corresponding to at least two spatial domain transmission filtering parameters are sent to the network device on non-overlapping PUCCH resources, and the same effect is achieved, the terminal 400 specifically includes the following functional modules:
a first receiving module 410, configured to receive scheduling information indicating physical uplink control channel, PUCCH, resources;
a first sending module 420, configured to send uplink control information UCI corresponding to the at least two spatial domain transmission filtering parameters to the network device on non-overlapping PUCCH resources according to the scheduling information.
Wherein one scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter.
Wherein, the first sending module 420 includes:
a first transmitting submodule, configured to transmit, to the network device, UCI corresponding to the first spatial domain transmission filtering parameter on the first PUCCH resource according to the scheduling information;
a second transmitting submodule, configured to transmit, to the network device, UCI corresponding to the second spatial domain transmission filtering parameter on the second PUCCH resource;
and the second PUCCH resource is not overlapped with the first PUCCH resource, and the first spatial domain transmission filtering parameter and the second spatial domain transmission filtering parameter belong to at least two spatial domain transmission filtering parameters.
Wherein, the first sending module 420 includes:
the first determining submodule is used for determining PUCCH resource sets corresponding to at least two spatial domain transmission filtering parameters according to the scheduling information, wherein PUCCH resources corresponding to different spatial domain transmission filtering parameters in the PUCCH resource sets are not overlapped;
and a third transmitting submodule, configured to transmit, to the network device, UCI corresponding to the at least two spatial domain transmission filtering parameters through the PUCCH resource set.
Wherein the scheduling information includes at least one PUCCH resource indication PRI information, wherein one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
Wherein, the UCI includes: transmitting a filtering parameter indication domain in a spatial domain; the spatial domain transmission filtering parameter indication field is used for indicating the corresponding relation between the UCI and the spatial domain transmission filtering parameter.
Wherein the spatial domain transmission filter parameter indication field comprises N indication bits, where N equals to ceiling (log)2M) is the number of the spatial domain transmission filtering parameters.
And the frequency domain position of the spatial domain transmission filtering parameter indication domain is positioned between demodulation reference signals (DMRS) of the UCI.
Wherein, the UCI further comprises: the channel state indicates CSI information, and a scrambling sequence of the CSI information is related to spatial domain transmission filtering parameters.
It is worth pointing out that, when sending UCI to multiple TRPs, the terminal according to the scheduling information of the PUCCH resources in the embodiment of the present invention may send UCI corresponding to different spatial domain transmission filter parameters through non-overlapping PUCCH resources, respectively, so as to ensure that multiple PUCCH resources do not collide, and improve validity and reliability of uplink transmission.
To better achieve the above object, further, fig. 5 is a schematic diagram of a hardware structure of a terminal implementing various embodiments of the present invention, where the terminal 50 includes, but is not limited to: a radio frequency unit 51, a network module 52, an audio output unit 53, an input unit 54, a sensor 55, a display unit 56, a user input unit 57, an interface unit 58, a memory 59, a processor 510, and a power supply 511. Those skilled in the art will appreciate that the terminal configuration shown in fig. 5 is not intended to be limiting, and that the terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The radio frequency unit 51 is configured to receive scheduling information indicating a physical uplink control channel PUCCH resource; according to the scheduling information, sending Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filtering parameters to network equipment on non-overlapping PUCCH resources;
a processor 510 for controlling the rf unit 51 to transmit and receive data;
according to the scheduling information of the PUCCH resources, when UCI is sent to a plurality of TRPs, the terminal of the embodiment of the invention can respectively send the UCI corresponding to different spatial domain transmission filter parameters through the non-overlapping PUCCH resources, thereby ensuring that the plurality of PUCCH resources do not conflict and improving the effectiveness and reliability of uplink transmission.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 51 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 510; in addition, the uplink data is transmitted to the base station. Typically, the radio frequency unit 51 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 51 may also communicate with a network and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user via the network module 52, such as assisting the user in sending and receiving e-mails, browsing web pages, and accessing streaming media.
The audio output unit 53 may convert audio data received by the radio frequency unit 51 or the network module 52 or stored in the memory 59 into an audio signal and output as sound. Also, the audio output unit 53 may also provide audio output related to a specific function performed by the terminal 50 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 53 includes a speaker, a buzzer, a receiver, and the like.
The input unit 54 is used to receive audio or video signals. The input Unit 54 may include a Graphics Processing Unit (GPU) 541 and a microphone 542, and the Graphics processor 541 processes image data of a still picture or video obtained by an image capturing device (such as a camera) in a video capture mode or an image capture mode. The processed image frames may be displayed on the display unit 56. The image frames processed by the graphic processor 541 may be stored in the memory 59 (or other storage medium) or transmitted via the radio frequency unit 51 or the network module 52. The microphone 542 may receive sound, and may be capable of processing such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 51 in case of the phone call mode.
The terminal 50 also includes at least one sensor 55, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 561 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 561 and/or the backlight when the terminal 50 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 55 may also include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., which will not be described in detail herein.
The display unit 56 is used to display information input by the user or information provided to the user. The Display unit 56 may include a Display panel 561, and the Display panel 561 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 57 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 57 includes a touch panel 571 and other input devices 572. The touch panel 571, also referred to as a touch screen, can collect touch operations by a user (e.g., operations by a user on the touch panel 571 or near the touch panel 571 using a finger, a stylus, or any suitable object or attachment). The touch panel 571 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 510, and receives and executes commands sent by the processor 510. In addition, the touch panel 571 can be implemented by various types, such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 57 may include other input devices 572 in addition to the touch panel 571. In particular, the other input devices 572 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described herein.
Further, the touch panel 571 can be overlaid on the display panel 561, and when the touch panel 571 detects a touch operation on or near the touch panel 571, the touch panel is transmitted to the processor 510 to determine the type of the touch event, and then the processor 510 provides a corresponding visual output on the display panel 561 according to the type of the touch event. Although the touch panel 571 and the display panel 561 are shown in fig. 5 as two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 571 and the display panel 561 may be integrated to implement the input and output functions of the terminal, and the implementation is not limited herein.
The interface unit 58 is an interface for connecting an external device to the terminal 50. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 58 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 50 or may be used to transmit data between the terminal 50 and an external device.
The memory 59 may be used to store software programs as well as various data. The memory 59 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 59 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 510 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 59 and calling data stored in the memory 59, thereby performing overall monitoring of the terminal. Processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 510.
The terminal 50 may further include a power supply 511 (e.g., a battery) for supplying power to various components, and preferably, the power supply 511 may be logically connected to the processor 510 via a power management system, so that functions of managing charging, discharging, and power consumption are performed via the power management system.
In addition, the terminal 50 includes some functional modules that are not shown, and will not be described in detail herein.
Preferably, an embodiment of the present invention further provides a terminal, including a processor 510, a memory 59, and a computer program stored in the memory 59 and capable of running on the processor 510, where the computer program, when executed by the processor 510, implements each process of the foregoing uplink transmission method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again. A terminal may be a wireless terminal or a wired terminal, and a wireless terminal may be a device providing voice and/or other service data connectivity to a user, a handheld device having a wireless connection function, or other processing devices connected to a wireless modem. Wireless terminals, which 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, may communicate with one or more core networks via a Radio Access Network (RAN), which may 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, and Personal Digital Assistants (PDAs). A wireless 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), a Remote Terminal (Remote Terminal), an Access Terminal (Access Terminal), a User Terminal (User Terminal), a User Agent (User Agent), and a User Device or User Equipment (User Equipment), which are not limited herein.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the uplink transmission method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
The above embodiment describes the uplink transmission method of the present invention from the terminal side, and the following embodiment further describes the uplink transmission method of the network device side with reference to the drawings.
As shown in fig. 6, the uplink transmission method according to the embodiment of the present invention is applied to a network device, and the method includes the following steps:
step 61: and transmitting scheduling information for indicating the physical uplink control channel PUCCH resources to the terminal.
The scheduling information is used for indicating a plurality of PUCCH resources of each TRP so as to assist the terminal in uplink transmission of a plurality of TRPs. The number of the scheduling information may be multiple, and one piece of scheduling information indicates multiple PUCCH resources of one TRP, that is, each piece of scheduling information indicates multiple PUCCH resources of a corresponding TRP.
In the embodiment of the present invention, the network device configures PUCCH resources for the terminal through RRC signaling, and then indicates a plurality of PUCCH resources for each TRP (i.e., for each spatial domain transmission filter parameter) through DCI in the PDCCH. Wherein one TRP corresponds to one spatial domain transmission filter parameter.
Step 62: and receiving Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filtering parameters on non-overlapping PUCCH resources, wherein the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
After obtaining the scheduling information of the PUCCH resources of different TRPs, the terminal sends UCI corresponding to at least two spatial domain transmission filter parameters to the network equipment on the non-overlapping PUCCH resources. Specifically, the terminal sends UCI to the TRPs corresponding to the spatial domain transmission filter parameters by using different spatial domain transmission filter parameters on non-overlapping PUCCH resources.
Wherein one scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter. The network device may configure a plurality of scheduling information for the terminal, where one scheduling information indicates a plurality of PUCCH resources of one spatial domain transmission filter parameter, and one spatial domain transmission filter parameter corresponds to one TRP, and then each scheduling information indicates a plurality of PUCCH resources of the TRP corresponding to each spatial domain transmission filter parameter.
Specifically, the scheduling information includes at least one PUCCH resource indication PRI information, where one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter. The scheduling information is carried in DCI, the DCI comprises a PRI information, and the PRI information indicates at least one PUCCH resource corresponding to a spatial domain transmission filtering parameter; alternatively, the DCI includes a plurality of pieces of PRI information, one piece of PRI information indicating one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
Corresponding to the situation that a plurality of spatial domain transmission filtering parameters use the same PUCCH resource set, the terminal can add a spatial domain transmission filtering parameter indication field in the UCI to assist the network equipment side to obtain which spatial domain transmission filtering parameter the PUCCH sent by the terminal corresponds to. That is, the UCI received by the network device includes: a spatial domain transmission filter parameter indication field (corresponding to a QCL parameter indication field); the spatial domain transmission filter parameter indication field is used for indicating the corresponding relation between the UCI and the spatial domain transmission filter parameters. Accordingly, the network device, after step 62, further comprises: and determining spatial domain transmission filtering parameters corresponding to the UCI according to the spatial domain transmission filtering parameter indication domain in the UCI.
Wherein the spatial domain transmission filter parameter indication field comprises N indication bits, where N equals to ceiling (log)2M) is the number of the spatial domain transmission filtering parameters. The network device determines which spatial domain transmission filter parameter the UCI is directed to based on the values of the N indicator bits.
Further, in order to improve the channel estimation performance, the frequency domain position of the spatial domain transmission filter parameter indication domain is located between demodulation reference signals (DMRS) of the UCI.
Besides the above explicit indication method, the embodiment of the present invention may also adopt an implicit indication method, for example, the UCI may further include: the channel state indicates CSI information whose scrambling sequence is related to spatial domain transmission filtering parameters. Accordingly, the network device further comprises after step 62: and determining a spatial domain transmission filtering parameter corresponding to the UCI according to the scrambling sequence of the channel state indication CSI information in the UCI. Wherein, the CSI information of the UCI may be scrambled using an n _ scrambling _ ID, and the scrambling value may be indicated in a coreset configuration parameter of the DCI.
In the uplink transmission method of the embodiment of the invention, the network equipment sends the scheduling information indicating the PUCCH resources to the terminal, and the terminal can respectively send the UCI corresponding to different spatial domain transmission filter parameters through the non-overlapping PUCCH resources when sending the UCI to the plurality of TRPs according to the scheduling information of the PUCCH resources, thereby ensuring that the plurality of PUCCH resources do not conflict and improving the effectiveness and reliability of uplink transmission.
The foregoing embodiments respectively describe in detail the uplink transmission method in different scenarios, and the following embodiments further describe the corresponding network device with reference to the accompanying drawings.
As shown in fig. 7, a network device 700 according to an embodiment of the present invention can implement the foregoing embodiment to send scheduling information indicating a physical uplink control channel PUCCH resource to a terminal; receiving Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filter parameters on non-overlapping PUCCH resources, wherein the non-overlapping PUCCH is a detail of a method determined by a terminal according to scheduling information and achieves the same effect, and the network device 700 specifically comprises the following functional modules:
a second sending module 710, configured to send scheduling information indicating a physical uplink control channel, PUCCH, resource to a terminal;
a second receiving module 720, configured to receive uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters on non-overlapping PUCCH resources, where the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
Wherein one scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter.
Wherein the scheduling information includes at least one PUCCH resource indication PRI information, wherein one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
Wherein, the network device 700 further comprises:
the first determining module is used for determining spatial domain transmission filtering parameters corresponding to the UCI according to the spatial domain transmission filtering parameter indication domain in the UCI.
Wherein the spatial domain transmission filter parameter indication field comprises N indication bits, where N equals to ceiling (log)2M) is the number of the spatial domain transmission filtering parameters.
And the frequency domain position of the spatial domain transmission filtering parameter indication domain is positioned between demodulation reference signals (DMRS) of the UCI.
Wherein, the network device 700 further comprises:
and the second determining module is used for determining the spatial domain transmission filtering parameter corresponding to the UCI according to the scrambling sequence of the channel state indication CSI information in the UCI.
It should be noted that the division of the modules of the network device and the terminal is only a logical division, and the actual implementation may be wholly or partially integrated into one physical entity, or may be physically separated. And these modules can be realized in the form of software called by processing element; or may be implemented entirely in hardware; and part of the modules can be realized in the form of calling software by the processing element, and part of the modules can be realized in the form of hardware. For example, the determining module may be a processing element separately set up, or may be implemented by being integrated in a chip of the apparatus, or may be stored in a memory of the apparatus in the form of program code, and the function of the determining module is called and executed by a processing element of the apparatus. Other modules are implemented similarly. In addition, all or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software.
For example, the above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), etc. For another example, when some of the above modules are implemented in the form of a Processing element scheduler code, the Processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor that can invoke the program code. As another example, these modules may be integrated together, implemented in the form of a system-on-a-chip (SOC).
It is worth pointing out that, the network device in the embodiment of the present invention sends scheduling information indicating PUCCH resources to the terminal, and the terminal may send UCI corresponding to different spatial domain transmission filter parameters through non-overlapping PUCCH resources when sending UCI to multiple TRPs according to the scheduling information of the PUCCH resources, so as to ensure that multiple PUCCH resources do not collide, and improve validity and reliability of uplink transmission.
In order to better achieve the above object, an embodiment of the present invention further provides a network device, which includes a processor, a memory, and a computer program stored in the memory and executable on the processor, and the processor implements the steps in the uplink transmission method as described above when executing the computer program. An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the uplink transmission method are implemented as described above.
Specifically, the embodiment of the invention also provides a network device. As shown in fig. 8, the network device 800 includes: antenna 81, radio frequency device 82, baseband device 83. The antenna 81 is connected to a radio frequency device 82. In the uplink direction, the rf device 82 receives information via the antenna 81 and sends the received information to the baseband device 83 for processing. In the downlink direction, the baseband device 83 processes information to be transmitted and transmits the information to the rf device 82, and the rf device 82 processes the received information and transmits the processed information through the antenna 81.
The above-mentioned band processing means may be located in the baseband means 83, and the method performed by the network device in the above embodiment may be implemented in the baseband means 83, where the baseband means 83 includes a processor 84 and a memory 85.
The baseband device 83 may include, for example, at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 8, wherein one chip, for example, the processor 84, is connected to the memory 85 to call up the program in the memory 85 to perform the network device operation shown in the above method embodiment.
The baseband device 83 may also include a network interface 86, such as a Common Public Radio Interface (CPRI), for exchanging information with the rf device 82.
The processor may be a single processor or a combination of multiple processing elements, for example, the processor may be a CPU, an ASIC, or one or more integrated circuits configured to implement the methods performed by the network devices, for example: one or more microprocessors DSP, or one or more field programmable gate arrays FPGA, or the like. The storage element may be a memory or a combination of a plurality of storage elements.
The memory 85 may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic random access memory (ddr Data Rate SDRAM, ddr SDRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 85 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
Specifically, the network device of the embodiment of the present invention further includes: a computer program stored in the memory 85 and operable on the processor 84, the processor 84 calling the computer program in the memory 85 to execute the method performed by each module shown in fig. 7.
In particular, the computer program when invoked by the processor 84 is operable to perform: transmitting scheduling information for indicating a Physical Uplink Control Channel (PUCCH) resource to a terminal; and receiving Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filtering parameters on non-overlapping PUCCH resources, wherein the non-overlapping PUCCH is determined by the terminal according to the scheduling information.
The network equipment in the embodiment of the invention sends the scheduling information indicating the PUCCH resources to the terminal, and the terminal can respectively send the UCI corresponding to different spatial domain transmission filter parameters through the non-overlapping PUCCH resources when sending the UCI to the plurality of TRPs according to the scheduling information of the PUCCH resources, thereby ensuring that the plurality of PUCCH resources do not conflict and improving the effectiveness and reliability of uplink transmission.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method 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.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
Thus, the objects of the invention may also be achieved by running a program or a set of programs on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the apparatus and method of the present invention, it is apparent that each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the preferred embodiments of the present invention have been described, 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 following claims.

Claims (35)

1. An uplink transmission method applied to a terminal is characterized by comprising the following steps:
receiving scheduling information indicating Physical Uplink Control Channel (PUCCH) resources;
according to the scheduling information, sending Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filtering parameters to network equipment on non-overlapping PUCCH resources; wherein, one spatial domain transmission filter parameter corresponds to one TRP.
2. The uplink transmission method according to claim 1, wherein one piece of the scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter.
3. The uplink transmission method according to claim 2, wherein the step of transmitting uplink control information UCI corresponding to at least two spatial domain transmission filter parameters to the network device on non-overlapping PUCCH resources according to the scheduling information comprises:
transmitting UCI corresponding to a first spatial domain transmission filtering parameter to the network equipment on a first PUCCH resource according to the scheduling information;
transmitting UCI corresponding to a second spatial domain transmission filtering parameter to the network equipment on a second PUCCH resource;
wherein the second PUCCH resource is not overlapped with the first PUCCH resource, and the first spatial domain transmission filtering parameter and the second spatial domain transmission filtering parameter belong to the at least two spatial domain transmission filtering parameters.
4. The uplink transmission method according to claim 2, wherein the step of transmitting uplink control information UCI corresponding to at least two spatial domain transmission filter parameters to the network device on non-overlapping PUCCH resources according to the scheduling information comprises:
determining PUCCH resource sets corresponding to the at least two spatial domain transmission filtering parameters according to the scheduling information, wherein PUCCH resources corresponding to different spatial domain transmission filtering parameters in the PUCCH resource sets are not overlapped;
transmitting UCI corresponding to the at least two spatial domain transmission filtering parameters to the network equipment through the PUCCH resource set.
5. The uplink transmission method according to claim 1, wherein the scheduling information includes at least one PUCCH resource indication PRI information, wherein one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
6. The uplink transmission method of claim 1, wherein the UCI comprises: transmitting a filtering parameter indication domain in a spatial domain; the spatial domain transmission filtering parameter indication field is used for indicating the corresponding relation between the UCI and the spatial domain transmission filtering parameter.
7. The uplink transmission method of claim 6, wherein the spatial domainThe transmission filter parameter indication field comprises N indication bits, wherein N equals to ceiling (log)2M) is the number of the spatial domain transmission filtering parameters.
8. The uplink transmission method according to claim 6, wherein the spatial domain transmission filtering parameters indicate that the frequency domain position of the domain is located between demodulation reference signals (DMRS) of the UCI.
9. The uplink transmission method according to claim 1, wherein the UCI further includes: and the channel state indicates CSI information, and a scrambling sequence of the CSI information is related to the spatial domain transmission filtering parameters.
10. A terminal, comprising:
a first receiving module, configured to receive scheduling information indicating a Physical Uplink Control Channel (PUCCH) resource;
a first sending module, configured to send, according to the scheduling information, uplink control information UCI corresponding to at least two spatial domain transmission filter parameters to a network device on non-overlapping PUCCH resources; wherein, one spatial domain transmission filter parameter corresponds to one TRP.
11. The terminal of claim 10, wherein one piece of the scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter.
12. The terminal of claim 11, wherein the first sending module comprises:
a first sending submodule, configured to send, to the network device, UCI corresponding to a first spatial domain transmission filtering parameter on a first PUCCH resource according to the scheduling information;
a second transmitting sub-module, configured to transmit, to the network device, UCI corresponding to a second spatial domain transmission filtering parameter on a second PUCCH resource;
wherein the second PUCCH resource is not overlapped with the first PUCCH resource, and the first spatial domain transmission filtering parameter and the second spatial domain transmission filtering parameter belong to the at least two spatial domain transmission filtering parameters.
13. The terminal of claim 11, wherein the first sending module comprises:
a first determining submodule, configured to determine, according to the scheduling information, PUCCH resource sets corresponding to the at least two spatial domain transmission filtering parameters, where PUCCH resources corresponding to different spatial domain transmission filtering parameters in the PUCCH resource sets are not overlapped;
a third transmitting sub-module, configured to transmit UCI corresponding to the at least two spatial domain transmission filtering parameters to the network device through the PUCCH resource set.
14. The terminal of claim 10, wherein the scheduling information comprises at least one PUCCH resource indication PRI information, wherein one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
15. The terminal of claim 10, wherein the UCI comprises: transmitting a filtering parameter indication domain in a spatial domain; the spatial domain transmission filtering parameter indication field is used for indicating the corresponding relation between the UCI and the spatial domain transmission filtering parameter.
16. The terminal of claim 15, wherein the spatial domain transmission filter parameter indication field comprises N indication bits, wherein N-ceiling (log)2M) is the number of the spatial domain transmission filtering parameters.
17. The terminal of claim 15, wherein the spatial domain transmission filtering parameters indicate that a frequency domain location of a domain is located between demodulation reference signals (DMRS) of the UCI.
18. The terminal of claim 10, wherein the UCI further comprises: and the channel state indicates CSI information, and a scrambling sequence of the CSI information is related to the spatial domain transmission filtering parameters.
19. A terminal, characterized in that the terminal comprises a processor, a memory and a computer program stored on the memory and running on the processor, which computer program, when executed by the processor, implements the steps of the upstream transmission method according to any of claims 1 to 9.
20. An uplink transmission method applied to a network device is characterized by comprising the following steps:
transmitting scheduling information for indicating a Physical Uplink Control Channel (PUCCH) resource to a terminal;
receiving Uplink Control Information (UCI) corresponding to at least two spatial domain transmission filtering parameters on non-overlapping PUCCH resources, wherein the non-overlapping PUCCH is determined by a terminal according to the scheduling information; wherein, one spatial domain transmission filter parameter corresponds to one TRP.
21. The uplink transmission method according to claim 20, wherein one piece of the scheduling information is used to indicate at least two PUCCH resources corresponding to one spatial domain transmission filtering parameter.
22. The uplink transmission method according to claim 20, wherein the scheduling information includes at least one PUCCH resource indication PRI information, wherein one PRI information indicates at least one PUCCH resource corresponding to one spatial domain transmission filtering parameter.
23. The uplink transmission method according to claim 20, wherein the step of receiving uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters further comprises:
and determining the spatial domain transmission filtering parameters corresponding to the UCI according to the spatial domain transmission filtering parameter indication domain in the UCI.
24. The uplink transmission method of claim 23, wherein the spatial domain transmission filter parameter indication field comprises N indication bits, wherein N-ceiling (log)2M) is the number of the spatial domain transmission filtering parameters.
25. The uplink transmission method according to claim 23, wherein the spatial domain transmission filtering parameters indicate that the frequency domain position of the domain is located between demodulation reference signals (DMRS) of the UCI.
26. The uplink transmission method according to claim 20, wherein the step of receiving uplink control information UCI corresponding to at least two spatial domain transmission filtering parameters further comprises:
and determining a spatial domain transmission filtering parameter corresponding to the UCI according to the scrambling sequence of the channel state indication CSI information in the UCI.
27. A network device, comprising:
a second sending module, configured to send, to the terminal, scheduling information used for indicating a physical uplink control channel PUCCH resource;
a second receiving module, configured to receive uplink control information UCI corresponding to at least two spatial domain transmission filter parameters on non-overlapping PUCCH resources, where the non-overlapping PUCCH is determined by the terminal according to the scheduling information; wherein, one spatial domain transmission filter parameter corresponds to one TRP.
28. The network device of claim 27, wherein each of the scheduling information indicates at least two PUCCH resources corresponding to one spatial transmission filtering parameter.
29. The network device of claim 27, wherein the scheduling information comprises at least one PUCCH resource indication PRI information, wherein one PRI information indicates at least one PUCCH resource corresponding to one spatial transmission filtering parameter.
30. The network device of claim 27, wherein the network device further comprises:
and the first determining module is used for determining the spatial domain transmission filtering parameters corresponding to the UCI according to the spatial domain transmission filtering parameter indication domain in the UCI.
31. The network device of claim 30, wherein the spatial domain transmission filter parameter indication field comprises N indication bits, wherein N-ceiling (log)2M) is the number of the spatial domain transmission filtering parameters.
32. The network device of claim 30, wherein the spatial domain transmission filtering parameters indicate that a frequency domain location of a domain is located between demodulation reference signals (DMRSs) of the UCI.
33. The network device of claim 27, wherein the network device further comprises:
and the second determining module is used for determining the spatial domain transmission filtering parameters corresponding to the UCI according to the scrambling sequence of the channel state indication CSI information in the UCI.
34. A network device comprising a processor, a memory, and a computer program stored on the memory and running on the processor, the processor implementing the steps of the upstream transmission method according to any one of claims 20 to 26 when executing the computer program.
35. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the upstream transmission method according to any one of claims 1 to 9, 20 to 26.
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