CN111867088A - Transmission method of physical uplink shared channel, terminal and network equipment - Google Patents

Transmission method of physical uplink shared channel, terminal and network equipment Download PDF

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Publication number
CN111867088A
CN111867088A CN201910365411.3A CN201910365411A CN111867088A CN 111867088 A CN111867088 A CN 111867088A CN 201910365411 A CN201910365411 A CN 201910365411A CN 111867088 A CN111867088 A CN 111867088A
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China
Prior art keywords
pusch
configuration information
resource
resource configuration
transmitting
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黄学艳
刘玉真
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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Priority to CN201910365411.3A priority Critical patent/CN111867088A/en
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

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

Abstract

The embodiment of the invention discloses a transmission method of a Physical Uplink Shared Channel (PUSCH), a terminal and network equipment. The method comprises the following steps: a terminal receives system information, wherein the system information comprises first resource configuration information used for transmitting PUSCH; and the terminal sends a first piece of random access information to network equipment, wherein the first piece of random access information comprises a PUSCH (physical uplink shared channel), and the PUSCH is sent based on the first resource configuration information.

Description

Transmission method of physical uplink shared channel, terminal and network equipment
Technical Field
The present invention relates to the field of wireless communication, and in particular, to a method, a terminal, and a network device for transmitting a Physical Uplink Shared Channel (PUSCH).
Background
The terminal initiates a random access process based on competition, which mainly comprises the following four steps: 1. the terminal sends a random access preamble (preamble), and the message can be recorded as msg 1; 2. the network side feeds back a Random Access Response (RAR) based on the received msg1, and the message can be marked as msg 2; 3. a terminal sends a Physical Uplink Shared Channel (PUSCH) at an Uplink position configured by an Uplink grant (UL grant), and this message may be denoted as msg 3; 4. the network side sends a collision resolution message, denoted msg 4.
Currently, random access research for two-step completion mainly focuses on collectively referring to the above-described MSG1 and MSG3 as one-step information MSG a. In the two-step random access process, the transmission of the PUSCH is completed in the first random access message, and there is no effective solution at present how to configure the resources for transmitting the PUSCH.
Disclosure of Invention
In order to solve the existing technical problem, embodiments of the present invention provide a PUSCH transmission method, a terminal, and a network device.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a PUSCH transmission method, where the method includes:
a terminal receives system information, wherein the system information comprises first resource configuration information used for transmitting PUSCH;
and the terminal sends a first piece of random access information to network equipment, wherein the first piece of random access information comprises a PUSCH (physical uplink shared channel), and the PUSCH is sent based on the first resource configuration information.
In the above scheme, the specific indicator bits in the system information include resource configuration information for random access, and the resource configuration information includes the first resource configuration information for PUSCH transmission.
In the above scheme, the resource configuration information further includes second resource configuration information for indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In the above scheme, the sending, by the terminal, the first random access message to the network device includes: and the terminal sends the PUSCH based on the resource position corresponding to the resource group quantity of the time domain resources for transmitting the PUSCH.
In the above scheme, the sending, by the terminal, the first random access message to the network device includes: the terminal respectively sends partial PUSCHs in the PUSCHs at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCHs; alternatively, the first and second electrodes may be,
and the terminal repeatedly sends the PUSCH at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCH.
In the above scheme, the method further comprises: the terminal receives new system information, wherein the new system information comprises new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In the above scheme, the System Information is a System Information Block (SIB); the terminal receives system information, including: and the terminal receives the SIB in a broadcasting mode.
In the foregoing scheme, the first resource allocation information includes time domain resource allocation information and/or frequency domain resource allocation information for transmitting PUSCH.
In the above scheme, the frequency domain resources indicated by the frequency domain resource information are configured according to a system BandWidth or configured according to a minimum BandWidth Part (BWP) in a preset BWP (BandWidth Part).
In a second aspect, an embodiment of the present invention further provides a PUSCH transmission method, where the method includes:
the network equipment sends system information, wherein the system information comprises first resource configuration information used for a terminal to transmit PUSCH;
the network equipment receives a first random access message sent by the terminal; the first piece of random access message comprises a PUSCH sent based on the first resource configuration information.
In the foregoing solution, before the network device sends the system information, the method further includes: and the network equipment configures first resource configuration information for transmitting PUSCH for the terminal.
In the above scheme, the specific indicator bits in the system information include resource configuration information for random access, and the resource configuration information includes the first resource configuration information for PUSCH transmission.
In the above scheme, the resource configuration information further includes second resource configuration information for indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In the above scheme, the receiving, by the network device, the first random access message sent by the terminal includes: and the network equipment receives the PUSCH based on the resource position corresponding to the resource group number of the time domain resources for transmitting the PUSCH.
In the above scheme, the receiving, by the network device, the first random access message sent by the terminal includes: the network equipment receives partial PUSCHs in the PUSCHs respectively at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCHs; alternatively, the first and second electrodes may be,
and the network equipment repeatedly receives the PUSCH at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCH.
In the above scheme, the method further comprises: the network equipment sends new system information, wherein the new system information comprises new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In the above scheme, the system information is SIB; the network device sends system information, including:
the network device sends the SIB in a broadcast manner.
In the foregoing scheme, the first resource allocation information includes time domain resource allocation information and/or frequency domain resource allocation information for transmitting PUSCH.
In the foregoing solution, the frequency domain resources indicated by the frequency domain resource information are configured according to a system bandwidth or configured according to a minimum BWP in a preset BWP.
In a third aspect, an embodiment of the present invention further provides a terminal, where the terminal includes: a first receiving unit and a first transmitting unit; wherein the content of the first and second substances,
the first receiving unit is configured to receive system information, where the system information includes first resource configuration information for transmitting a PUSCH;
the first sending unit is configured to send a first random access message to a network device, where the first random access message includes a PUSCH, and the PUSCH is sent based on the first resource configuration information.
In the above scheme, the specific indicator bits in the system information include resource configuration information for random access, and the resource configuration information includes the first resource configuration information for PUSCH transmission.
In the above scheme, the resource configuration information further includes second resource configuration information for indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In the foregoing solution, the first sending unit is configured to send the PUSCH based on a resource position corresponding to the number of resource groups of the time domain resource used for transmitting the PUSCH.
In the foregoing solution, the first sending unit is configured to send, at resource positions corresponding to the number of resource groups of the time domain resource used for transmitting the PUSCH, partial PUSCHs in the PUSCH respectively; or repeatedly sending the PUSCH at a resource position corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCH.
In the foregoing solution, the first receiving unit is further configured to receive new system information, where the new system information includes new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In the above scheme, the system information is SIB; the first receiving unit is configured to receive the SIB through a broadcast method.
In the foregoing scheme, the first resource allocation information includes time domain resource allocation information and/or frequency domain resource allocation information for transmitting PUSCH.
In the foregoing solution, the frequency domain resources indicated by the frequency domain resource information are configured according to a system bandwidth or configured according to a minimum BWP in a preset BWP.
In a fourth aspect, an embodiment of the present invention further provides a network device, where the network device includes a second sending unit and a second receiving unit; wherein the content of the first and second substances,
the second sending unit is configured to send system information, where the system information includes first resource configuration information used for a terminal to transmit a PUSCH;
the second receiving unit is configured to receive a first random access message sent by the terminal; the first piece of random access message comprises a PUSCH sent based on the first resource configuration information.
In the foregoing solution, the network device further includes a configuration unit, configured to configure, for the terminal, first resource configuration information for PUSCH transmission before the second sending unit sends the system information.
In the above scheme, the specific indicator bits in the system information include resource configuration information for random access, and the resource configuration information includes the first resource configuration information for PUSCH transmission.
In the above scheme, the resource configuration information further includes second resource configuration information for indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In the foregoing scheme, the second receiving unit is configured to receive the PUSCH based on a resource position corresponding to the number of resource groups of the time domain resource used for transmitting the PUSCH.
In the foregoing solution, the second receiving unit is configured to receive, at resource positions corresponding to the number of resource groups of the time domain resource used for transmitting the PUSCH, partial PUSCHs in the PUSCH respectively; or, repeatedly receiving the PUSCH at a resource position corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCH.
In the foregoing solution, the second sending unit is further configured to send new system information, where the new system information includes new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In the above scheme, the system information is SIB; the second sending unit is configured to send the SIB in a broadcast manner.
In the foregoing scheme, the first resource allocation information includes time domain resource allocation information and/or frequency domain resource allocation information for transmitting PUSCH.
In the foregoing solution, the frequency domain resources indicated by the frequency domain resource information are configured according to a system bandwidth or configured according to a minimum BWP in a preset BWP.
In a third aspect, an 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, implements the steps of the method according to the first aspect of the embodiment of the present invention; alternatively, the program is adapted to carry out the steps of the method according to the second aspect of the embodiments of the invention when executed by a processor.
In a fourth aspect, an embodiment of the present invention further provides a terminal, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the steps of the method according to the first aspect of the embodiment of the present invention.
In a fifth aspect, an embodiment of the present invention further provides a network device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the steps of the method according to the second aspect of the embodiment of the present invention.
The embodiment of the invention provides a PUSCH transmission method, a terminal and network equipment, wherein the method comprises the following steps: a terminal receives system information, wherein the system information comprises first resource configuration information used for transmitting PUSCH; and the terminal sends a first piece of random access information to network equipment, wherein the first piece of random access information comprises a PUSCH (physical uplink shared channel), and the PUSCH is sent based on the first resource configuration information. By adopting the technical scheme of the embodiment of the invention, the resource for transmitting the PUSCH is configured through the system information, so that the resource configuration for transmitting the PUSCH is realized, the method and the device are particularly suitable for the transmission of the PUSCH in the first random access message in the two-step random access process, the reliability of uplink transmission is greatly improved, and the information transmission efficiency is improved.
Drawings
Fig. 1 is a flowchart illustrating a PUSCH transmission method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of PUSCH transmission in a PUSCH transmission method according to an embodiment of the present invention;
fig. 3 is another flowchart of a PUSCH transmission method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a network device according to an embodiment of the present invention;
Fig. 6 is a schematic diagram of another structure of a network device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a communication device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the invention provides a PUSCH transmission method. Fig. 1 is a flowchart illustrating a PUSCH transmission method according to an embodiment of the present invention; as shown in fig. 1, the method includes:
step 101: a terminal receives system information, wherein the system information comprises first resource configuration information used for transmitting PUSCH;
step 102: and the terminal sends a first piece of random access information to network equipment, wherein the first piece of random access information comprises a PUSCH (physical uplink shared channel), and the PUSCH is sent based on the first resource configuration information.
The PUSCH transmission method of the present embodiment is applicable to PUSCH transmission in a random access procedure. As an example, the present embodiment is applicable to a two-step random access procedure, where a first random access message in the two-step random access procedure may be equivalent to a combination of MSG1 and MSG3 in a four-step random access procedure, and may be denoted as MSG a, that is, the first random access message is used for sending a preamble (preamble) and a PUSCH, that is, the PUSCH in the present embodiment is used for data transmission in the first random access message by the terminal.
In step 101 of this embodiment, the system information is an SIB; the terminal receives system information, including: and the terminal receives the SIB in a broadcasting mode.
In this embodiment, the network device sends the SIB in a broadcast manner, where the SIB includes first resource configuration information used for transmitting the PUSCH, so that the terminal that receives the SIB transmits the PUSCH according to the resource configured by the first resource configuration information.
In step 101 of this embodiment, the specific indication bits in the system information include resource configuration information for random access, where the resource configuration information includes the first resource configuration information for transmitting PUSCH. As an example, the specific indication bits in the system information may specifically be specific indication bits of an SIB.
As an embodiment, the specific indication bit in the system information is a BWP-UplinkCommon indication bit in an uplinkconfigugcommon SIB field in the SIB, and the BWP-UplinkCommon indication bit is added with an RA-PUSCH-config-common indication bit for transmitting PUSCH in a random access procedure; it is understood that the resource configuration information indicated by the RA-PUSCH-config-common indication bit is used to indicate PUSCH transmission.
The first resource configuration information is cell-level resource configuration information.
In this embodiment, the first resource configuration information includes time domain resource configuration information and/or frequency domain resource configuration information for transmitting PUSCH.
In this embodiment, the frequency domain resources indicated by the frequency domain resource information are configured according to a system bandwidth or configured according to a minimum BWP in a preset BWP.
In this embodiment, the time domain resource indicated by the time domain resource configuration information is a periodic resource.
In step 102 of this embodiment, the terminal transmits a first random access message, specifically, transmits a PUSCH as the first random access message, based on the time domain resource and/or the frequency domain resource indicated by the first resource configuration information.
In an optional embodiment of the present invention, the resource configuration information further includes second resource configuration information for indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH. As an example, the number of resource groups of the time domain resource for transmitting the PUSCH represents the number of consecutive resource groups that the terminal can use when transmitting the PUSCH.
The second resource configuration information may be understood as a configuration mode, the network device may have multiple configuration modes in a pre-agreed mode, and the resource configuration information corresponding to different configuration modes is different, fig. 2 is a schematic diagram of PUSCH transmission in the PUSCH transmission method according to the embodiment of the present invention; as shown in fig. 2, each of the dashed boxes in the figure respectively represents a second resource configuration information, for example, the periods of the time domain resources used for transmitting the PUSCH are different, the first dashed box and the second dashed box in fig. 2 both occupy 4 time units in the time domain, and the third dashed box occupies eight half time units in the time domain, that is, the period of the time domain resources used for transmitting the PUSCH corresponding to the first dashed box (or the second dashed box) is different from the period of the time domain resources used for transmitting the PUSCH corresponding to the third dashed box. For example, when the periods of the time domain resources for transmitting the PUSCH are the same, the number of resource groups of the time domain resources for transmitting the PUSCH is different, for example, in fig. 2, the dotted part in the first dotted box is a resource group for transmitting the PUSCH in one configuration, the dotted part in the second dotted box is a resource group for transmitting the PUSCH in another configuration, the dotted part in the third dotted box is a resource group for transmitting the PUSCH in yet another configuration, and the number of resource groups that can be continuously used by the three is different. Wherein, the number of resource groups of the time domain resources of the PUSCH used for transmission is determined by the information quantity size of the first random access message (namely MSG A).
In an optional embodiment of the invention, the method further comprises: the terminal receives new system information, wherein the new system information comprises new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In this embodiment, the network device configures a configuration mode for the terminal in a broadcast mode, that is, sends system information in a broadcast mode, where the system information includes second resource configuration information; and when the configuration mode is changed, updating (or modifying) the number of resource groups of the time domain resource used for transmitting the PUSCH by the terminal and/or the period of the time domain resource used for transmitting the PUSCH by updating the system information, namely, the network equipment transmits new system information in a broadcasting mode, wherein the system information comprises new second resource configuration information.
In an optional embodiment of the present invention, the sending, by the terminal, a first random access message to the network device includes: and the terminal sends the PUSCH based on the resource position corresponding to the resource group quantity of the time domain resources for transmitting the PUSCH.
In an optional embodiment of the present invention, the sending, by the terminal, a first random access message to the network device includes: the terminal respectively sends partial PUSCHs in the PUSCHs at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCHs; or the terminal repeatedly sends the PUSCH at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCH.
For example, if the number of resource groups including the time domain resource for transmitting the PUSCH in the second resource configuration information is 4, the terminal starts to transmit the PUSCH for the first time at the corresponding resource location, for example, at index (index)0, and performs transmission of remaining part data except for the PUSCH for the first time at indexes 1 to 3, or repeatedly transmits data transmitted at index 0 at indexes 1 to index 3.
By adopting the technical scheme of the embodiment of the invention, the resource for transmitting the PUSCH is configured through the system information, so that the resource configuration for transmitting the PUSCH is realized, the method and the device are particularly suitable for the transmission of the PUSCH in the first random access message in the two-step random access process, the reliability of uplink transmission is greatly improved, and the information transmission efficiency is improved.
The embodiment of the invention also provides a PUSCH transmission method. Fig. 3 is another flowchart of a PUSCH transmission method according to an embodiment of the present invention; as shown in fig. 3, the method includes:
step 201: the network equipment sends system information, wherein the system information comprises first resource configuration information used for a terminal to transmit PUSCH;
step 202: the network equipment receives a first random access message sent by the terminal; the first piece of random access message comprises a PUSCH sent based on the first resource configuration information.
The PUSCH transmission method of the present embodiment is applicable to PUSCH transmission in a random access procedure. As an example, the present embodiment is applicable to a two-step random access procedure, where a first random access message in the two-step random access procedure may be equivalent to a combination of MSG1 and MSG3 in a four-step random access procedure, and may be denoted as MSG a, that is, the first random access message is used for sending a preamble (preamble) and a PUSCH, that is, the PUSCH in the present embodiment is used for data transmission in the first random access message by the terminal.
In an optional embodiment of the present invention, before the network device sends the system information, the method further includes: and the network equipment configures first resource configuration information for transmitting PUSCH for the terminal.
In step 201 of this embodiment, the system information is SIB; the network device sends system information, including: the network device sends the SIB in a broadcast manner.
In this embodiment, the network device sends the SIB in a broadcast manner, where the SIB includes first resource configuration information used for transmitting the PUSCH, so that the terminal that receives the SIB transmits the PUSCH according to the resource configured by the first resource configuration information.
In step 201 of this embodiment, the specific indication bits in the system information include resource configuration information for random access, where the resource configuration information includes the first resource configuration information for transmitting PUSCH.
As an example, the specific indication bits in the system information may specifically be specific indication bits of an SIB.
As an embodiment, the specific indication bit in the system information is a BWP-UplinkCommon indication bit in an uplinkconfigugcommon SIB field in the SIB, and the BWP-UplinkCommon indication bit is added with an RA-PUSCH-config-common indication bit for transmitting PUSCH in a random access procedure; it is understood that the resource configuration information indicated by the RA-PUSCH-config-common indication bit is used to indicate PUSCH transmission.
The first resource configuration information is cell-level resource configuration information.
In this embodiment, the first resource configuration information includes time domain resource configuration information and/or frequency domain resource configuration information for transmitting PUSCH.
In this embodiment, the frequency domain resources indicated by the frequency domain resource information are configured according to a system bandwidth or configured according to a minimum BWP in a preset BWP.
In this embodiment, the time domain resource indicated by the time domain resource configuration information is a periodic resource.
In this embodiment step 202, the terminal transmits a first random access message, specifically, a PUSCH serving as a first random access message, based on the time domain resource and/or the frequency domain resource indicated by the first resource configuration information; and the network equipment receives a first piece of random access message sent by the terminal based on the corresponding resource position, and specifically receives the PUSCH sent by the terminal.
In an optional embodiment of the present invention, the resource configuration information further includes second resource configuration information for indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH. As an example, the number of resource groups of the time domain resource for transmitting the PUSCH represents the number of consecutive resource groups that the terminal can use when transmitting the PUSCH.
The second resource configuration information may be understood as a configuration manner, the network device may have multiple configuration manners through a pre-agreed manner, the resource configuration information corresponding to different configuration manners is different, as shown in fig. 2, each dashed box in the figure represents one type of second resource configuration information, for example, the periods of the time domain resources used for transmitting the PUSCH are different, as shown in fig. 2, the first dashed box and the second dashed box in fig. 2 both occupy 4 time units in the time domain, and the third dashed box occupies eight half time units in the time domain, that is, the period of the time domain resources used for transmitting the PUSCH corresponding to the first dashed box (or the second dashed box) is different from the period of the time domain resources used for transmitting the PUSCH corresponding to the third dashed box. For example, when the periods of the time domain resources for transmitting the PUSCH are the same, the number of resource groups of the time domain resources for transmitting the PUSCH is different, for example, in fig. 2, the dotted part in the first dotted box is a resource group for transmitting the PUSCH in one configuration, the dotted part in the second dotted box is a resource group for transmitting the PUSCH in another configuration, the dotted part in the third dotted box is a resource group for transmitting the PUSCH in yet another configuration, and the number of resource groups that can be continuously used by the three is different. Wherein, the number of resource groups of the time domain resources of the PUSCH used for transmission is determined by the information quantity size of the first random access message (namely MSG A).
In an optional embodiment of the invention, the method further comprises: the network equipment sends new system information, wherein the new system information comprises new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In this embodiment, the network device configures a configuration mode for the terminal in a broadcast mode, that is, sends system information in a broadcast mode, where the system information includes second resource configuration information; and when the configuration mode is changed, updating (or modifying) the number of resource groups of the time domain resource used for transmitting the PUSCH by the terminal and/or the period of the time domain resource used for transmitting the PUSCH by updating the system information, namely, the network equipment transmits new system information in a broadcasting mode, wherein the system information comprises new second resource configuration information.
In an optional embodiment of the present invention, the receiving, by the network device, a first random access message sent by the terminal includes: and the network equipment receives the PUSCH based on the resource position corresponding to the resource group number of the time domain resources for transmitting the PUSCH.
In an optional embodiment of the present invention, the receiving, by the network device, a first random access message sent by the terminal includes: the network equipment receives partial PUSCHs in the PUSCHs respectively at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCHs; or, the network device repeatedly receives the PUSCH at a resource position corresponding to the number of resource groups of the time domain resource for transmitting the PUSCH.
For example, if the number of resource groups including the time domain resource for transmitting the PUSCH in the second resource configuration information is 4, the terminal starts to transmit the PUSCH for the first time at the corresponding resource location, for example, at index (index)0, and performs transmission of remaining part data except for the PUSCH for the first time at indexes 1 to 3, or repeatedly transmits data transmitted at index 0 at indexes 1 to index 3. Accordingly, the network device starts receiving the PUSCH transmitted by the terminal for the first time at the corresponding resource location, for example, at index (index)0, and performs reception of other remaining part data except for the PUSCH transmitted for the first time at indexes 1 to 3, or repeatedly receives the data transmitted at index 0 at indexes 1 to 3.
By adopting the technical scheme of the embodiment of the invention, the resource for transmitting the PUSCH is configured through the system information, so that the resource configuration for transmitting the PUSCH is realized, the method and the device are particularly suitable for the transmission of the PUSCH in the first random access message in the two-step random access process, the reliability of uplink transmission is greatly improved, and the information transmission efficiency is improved.
The embodiment of the invention also provides the terminal. Fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present invention; as shown in fig. 4, the terminal includes: a first receiving unit 31 and a first transmitting unit 32; wherein the content of the first and second substances,
the first receiving unit 31 is configured to receive system information, where the system information includes first resource configuration information for transmitting PUSCH;
the first sending unit 32 is configured to send a first random access message to a network device, where the first random access message includes a PUSCH, and the PUSCH is sent based on the first resource configuration information.
In an optional embodiment of the present invention, the specific indicator bit in the system information comprises resource configuration information for random access, and the resource configuration information comprises the first resource configuration information for transmitting PUSCH.
In an optional embodiment of the present invention, the resource configuration information further includes second resource configuration information for indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In an optional embodiment of the present invention, the first sending unit 32 is configured to send the PUSCH based on a resource position corresponding to the number of resource groups of the time domain resource used for transmitting the PUSCH.
In an optional embodiment of the present invention, the first sending unit 32 is configured to send, at resource positions corresponding to the number of resource groups of the time domain resource used for transmitting PUSCH, partial PUSCHs in the PUSCH respectively; or repeatedly sending the PUSCH at a resource position corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCH.
In an optional embodiment of the present invention, the first receiving unit 31 is further configured to receive new system information, where the new system information includes new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In an optional embodiment of the present invention, the system information is an SIB; the first receiving unit 31 is configured to receive the SIB through broadcasting.
In this embodiment, the first resource configuration information includes time domain resource configuration information and/or frequency domain resource configuration information for transmitting PUSCH.
In an optional embodiment of the present invention, the frequency domain resources indicated by the frequency domain resource information are configured according to a system bandwidth or according to a minimum BWP of preset BWPs.
In the embodiment of the present invention, the first receiving unit 31 and the first sending unit 32 in the terminal can be implemented by a communication module (including a basic communication suite, an operating system, a communication module, a standardized interface, a protocol, and the like) and a transceiver antenna in practical application.
It should be noted that: in the terminal provided in the foregoing embodiment, when performing PUSCH transmission, only the division of the above program modules is taken as an example, and in practical applications, the above processing allocation may be completed by different program modules according to needs, that is, the internal structure of the terminal is divided into different program modules to complete all or part of the above described processing. In addition, the terminal provided in the above embodiments and the PUSCH transmission method embodiment belong to the same concept, and the specific implementation process thereof is detailed in the method embodiment and will not be described herein again.
The embodiment of the invention also provides network equipment. Fig. 5 is a schematic structural diagram of a network device according to an embodiment of the present invention; as shown in fig. 5, the network device includes a second transmitting unit 41 and a second receiving unit 42; wherein the content of the first and second substances,
the second sending unit 41 is configured to send system information, where the system information includes first resource configuration information for a terminal to transmit a PUSCH;
the second receiving unit 42 is configured to receive a first random access message sent by the terminal; the first piece of random access message comprises a PUSCH sent based on the first resource configuration information.
In an optional embodiment of the present invention, as shown in fig. 6, the network device further includes a configuration unit 43, configured to configure, for the terminal, first resource configuration information for transmitting PUSCH before the second transmitting unit 41 transmits the system information.
In an optional embodiment of the present invention, the specific indicator bit in the system information comprises resource configuration information for random access, and the resource configuration information comprises the first resource configuration information for transmitting PUSCH.
In an optional embodiment of the present invention, the resource configuration information further includes second resource configuration information for indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In an optional embodiment of the present invention, the second receiving unit 42 is configured to receive the PUSCH based on a resource position corresponding to the number of resource groups of the time domain resource used for transmitting the PUSCH.
In an optional embodiment of the present invention, the second receiving unit 42 is configured to receive, at resource positions corresponding to the number of resource groups of the time domain resource used for transmitting PUSCH, partial PUSCHs in the PUSCH respectively; or, repeatedly receiving the PUSCH at a resource position corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCH.
In an optional embodiment of the present invention, the second sending unit 41 is further configured to send new system information, where the new system information includes new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
In an optional embodiment of the present invention, the system information is an SIB; the second transmitting unit 41 is configured to transmit the SIB in a broadcast manner.
In an optional embodiment of the present invention, the first resource configuration information includes time domain resource configuration information and/or frequency domain resource configuration information for transmitting PUSCH.
In an optional embodiment of the present invention, the frequency domain resources indicated by the frequency domain resource information are configured according to a system bandwidth or according to a minimum BWP of preset BWPs.
In the embodiment of the present invention, the configuration Unit 43 in the network device may be implemented by a Central Processing Unit (CPU), a Digital Signal Processor (DSP), a Micro Control Unit (MCU), or a Programmable Gate Array (FPGA) in the network device in practical application; the second receiving unit 42 and the second sending unit 41 in the network device can be implemented by a communication module (including a basic communication suite, an operating system, a communication module, a standardized interface, a protocol, and the like) and a transceiving antenna in practical application.
It should be noted that: in the network device provided in the foregoing embodiment, when performing PUSCH transmission, only the above-mentioned division of each program module is taken as an example, and in practical applications, the above-mentioned processing allocation may be completed by different program modules as needed, that is, the internal structure of the network device is divided into different program modules to complete all or part of the above-mentioned processing. In addition, the network device and the PUSCH transmission method embodiment provided by the above embodiments belong to the same concept, and the specific implementation process thereof is detailed in the method embodiment and is not described herein again.
The embodiment of the invention also provides communication equipment. Fig. 7 is a schematic structural diagram of a communication device according to an embodiment of the present invention, as shown in fig. 7, the communication device includes a memory 52, a processor 51, and a computer program stored in the memory 52 and executable on the processor 51, and when the processor 51 executes the computer program, the steps of the method implemented by the terminal in the method according to the embodiment of the present invention are implemented; alternatively, the processor 51, when executing the program, implements the steps of the corresponding method implemented by the network device in the method of the embodiment of the present invention.
It will be appreciated that a communication interface 53 is also included in the communication device. The various components in the communication device may be coupled together by a bus system 54. It will be appreciated that the bus system 54 is used to enable communications among the components. The bus system 54 includes a power bus, a control bus, and a status signal bus in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 54 in fig. 7.
It will be appreciated that the memory 52 can be either volatile memory or nonvolatile memory, and can include both volatile and nonvolatile memory. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. 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 (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The memory 52 described in connection with the embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
The method disclosed in the above embodiments of the present invention may be applied to the processor 51, or implemented by the processor 51. The processor 51 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 51. The Processor 51 may be a general purpose Processor, a Digital Signal Processor (DSP), or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. The processor 51 may implement or perform the methods, steps, and logic blocks disclosed in embodiments of the present invention. A general purpose processor may be a microprocessor or any conventional processor or the like. The steps of the method disclosed by the embodiment of the invention can be directly implemented by a hardware decoding processor, or can be implemented by combining hardware and software modules in the decoding processor. The software modules may be located in a storage medium located in the memory 52, and the processor 51 reads the information in the memory 52 and performs the steps of the aforementioned method in conjunction with its hardware.
In an exemplary embodiment, the communication Device may be implemented by one or more Application Specific Integrated Circuits (ASICs), DSPs, Programmable Logic Devices (PLDs), Complex Programmable Logic Devices (CPLDs), Field-Programmable Gate arrays (FPGAs), general purpose processors, controllers, Micro Controllers (MCUs), microprocessors (microprocessors), or other electronic components for performing the foregoing methods.
The embodiment of the invention also provides a communication system which comprises a terminal and network equipment. The terminal may be configured to implement the corresponding function implemented by the terminal in the foregoing method, and the network device may be configured to implement the corresponding function implemented by the network device in the foregoing method, which is not described herein again for brevity.
The technical scheme of the embodiment of the application can be applied to various communication systems, for example: a Global System for Mobile communications (GSM) System, a Long Term Evolution (LTE) System, or a 5G System. The 5G system or the 5G network may also be referred to as a New Radio (NR) system or an NR network.
Embodiments of the present invention also provide a computer-readable storage medium on which a computer program is stored, the program, when executed by a processor, implementing steps of a corresponding method implemented by a terminal in the method of an embodiment of the present invention; which when executed by a processor implements the steps of a corresponding method implemented by a network device in the methods of embodiments of the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
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, that is, 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, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, 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.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several 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 methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (25)

1. A method for transmitting a Physical Uplink Shared Channel (PUSCH), the method comprising:
a terminal receives system information, wherein the system information comprises first resource configuration information used for transmitting PUSCH;
and the terminal sends a first piece of random access information to network equipment, wherein the first piece of random access information comprises a PUSCH (physical uplink shared channel), and the PUSCH is sent based on the first resource configuration information.
2. The method of claim 1, wherein a specific indicator bit in the system information comprises resource configuration information for random access, and wherein the resource configuration information comprises the first resource configuration information for PUSCH transmission.
3. The method of claim 2, wherein the resource configuration information further comprises second resource configuration information indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
4. The method of claim 3, wherein the terminal sends a first random access message to the network device, comprising:
and the terminal sends the PUSCH based on the resource position corresponding to the resource group quantity of the time domain resources for transmitting the PUSCH.
5. The method according to claim 3 or 4, wherein the terminal sends a first random access message to the network device, comprising:
the terminal respectively sends partial PUSCHs in the PUSCHs at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCHs; alternatively, the first and second electrodes may be,
and the terminal repeatedly sends the PUSCH at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCH.
6. The method according to claim 3 or 4, characterized in that the method further comprises: the terminal receives new system information, wherein the new system information comprises new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
7. The method of claim 1, wherein the system information is a System Information Block (SIB); the terminal receives system information, including: and the terminal receives the SIB in a broadcasting mode.
8. The method according to claim 1 or 2, wherein the first resource configuration information comprises time domain resource configuration information and/or frequency domain resource configuration information for transmission of PUSCH.
9. The method according to claim 8, wherein the frequency-domain resources indicated by the frequency-domain resource information are configured according to a system bandwidth or according to a minimum BWP of preset bandwidth portions BWP.
10. A PUSCH transmission method, the method comprising:
the network equipment sends system information, wherein the system information comprises first resource configuration information used for a terminal to transmit PUSCH;
the network equipment receives a first random access message sent by the terminal; the first piece of random access message comprises a PUSCH sent based on the first resource configuration information.
11. The method of claim 10, wherein before the network device sends system information, the method further comprises:
and the network equipment configures first resource configuration information for transmitting PUSCH for the terminal.
12. The method according to claim 10 or 11, wherein the specific indicator bits in the system information comprise resource configuration information for random access, and the resource configuration information comprises the first resource configuration information for transmission of PUSCH.
13. The method of claim 11, wherein the resource configuration information further comprises second resource configuration information indicating a transmission mode of a PUSCH; the transmission mode of the PUSCH corresponds to the number of resource groups of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
14. The method of claim 13, wherein the network device receives a first random access message sent by the terminal, and comprises:
and the network equipment receives the PUSCH based on the resource position corresponding to the resource group number of the time domain resources for transmitting the PUSCH.
15. The method according to claim 13 or 14, wherein the network device receives a first random access message sent by the terminal, and comprises:
the network equipment receives partial PUSCHs in the PUSCHs respectively at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCHs; alternatively, the first and second electrodes may be,
and the network equipment repeatedly receives the PUSCH at resource positions corresponding to the number of the resource groups of the time domain resources for transmitting the PUSCH.
16. The method according to claim 13 or 14, characterized in that the method further comprises:
The network equipment sends new system information, wherein the new system information comprises new second resource configuration information; and the new second resource configuration information is used for updating the resource group number of the time domain resources used for transmitting the PUSCH and/or the period of the time domain resources used for transmitting the PUSCH.
17. The method of claim 10, wherein the system information is a System Information Block (SIB); the network device sends system information, including:
the network device sends the SIB in a broadcast manner.
18. The method according to any of claims 10 to 12, wherein the first resource configuration information comprises time domain resource configuration information and/or frequency domain resource configuration information for transmission of PUSCH.
19. The method of claim 14, wherein the frequency-domain resources indicated by the frequency-domain resource information are configured according to a system bandwidth or according to a minimum BWP among preset BWPs.
20. A terminal, characterized in that the terminal comprises: a first receiving unit and a first transmitting unit; wherein the content of the first and second substances,
the first receiving unit is configured to receive system information, where the system information includes first resource configuration information for transmitting a PUSCH;
The first sending unit is configured to send a first random access message to a network device, where the first random access message includes a PUSCH, and the PUSCH is sent based on the first resource configuration information.
21. The terminal of claim 20, wherein the specific indicator bits in the system information comprise resource configuration information for random access, and wherein the resource configuration information comprises the first resource configuration information for transmission of PUSCH.
22. A network device, characterized in that the network device comprises a second transmitting unit and a second receiving unit; wherein the content of the first and second substances,
the second sending unit is configured to send system information, where the system information includes first resource configuration information used for a terminal to transmit a PUSCH;
the second receiving unit is configured to receive a first random access message sent by the terminal; the first piece of random access message comprises a PUSCH sent based on the first resource configuration information.
23. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 9; alternatively, the program when executed by a processor implements the steps of the method of any one of claims 10 to 19.
24. A terminal comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method according to any of claims 1 to 9 are implemented when the processor executes the program.
25. A network device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the method of any one of claims 10 to 19 are carried out when the program is executed by the processor.
CN201910365411.3A 2019-04-30 2019-04-30 Transmission method of physical uplink shared channel, terminal and network equipment Pending CN111867088A (en)

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