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CN-121986445-A - Channel transmission method, device and storage medium

CN121986445ACN 121986445 ACN121986445 ACN 121986445ACN-121986445-A

Abstract

The embodiment of the application provides a channel transmission method, equipment and a storage medium, wherein the method comprises the steps that a terminal equipment receives first indication information sent by network equipment, the first indication information is used for determining a mode of using an orthogonal mask (OCC) to spread spectrum in a time domain to transmit a first Physical Uplink Shared Channel (PUSCH), the terminal equipment spreads the first PUSCH in the mode of using the OCC to spread spectrum in the time domain, and the first PUSCH is sent to the network equipment.

Inventors

  • WU ZUOMIN

Assignees

  • OPPO广东移动通信有限公司

Dates

Publication Date
20260505
Application Date
20231222

Claims (20)

  1. A channel transmission method, the method comprising: The method comprises the steps that terminal equipment receives first indication information sent by network equipment, wherein the first indication information is used for determining a mode of using an orthogonal code mask (OCC) to spread and transmit a first Physical Uplink Shared Channel (PUSCH) in a time domain; And the terminal equipment spreads the first PUSCH in a time domain by using an OCC spread spectrum mode and sends the first PUSCH to the network equipment.
  2. The method of claim 1, wherein the terminal device spreads the first PUSCH in a manner using OCC spreading in a time domain, comprising: the terminal device spreads the first PUSCH in a manner using OCC spreading in the time domain based on one or more of: A time domain unit size of the time domain OCC spread spectrum; the interval of the data symbols associated with two adjacent OCC factors; A first OCC, the first OCC being an OCC used for time domain OCC spreading; A first OCC length, the first OCC length being a length of the first OCC; a first OCC set, the first OCC set being an OCC set associated with the first OCC length; the first OCC index is used to determine, the first OCC index is used to indicate the first OCC; And the first demodulation reference signal (DMRS) port is associated with the first OCC index.
  3. The method of claim 2, wherein the time domain OCC spread time domain unit size comprises one of: n PUSCHs, N being the first OCC length or N being 1; M data symbols, M is an integer multiple of N.
  4. A method according to claim 2 or 3, wherein the spacing of the data symbols associated with the two adjacent OCC factors comprises one of: the interval of the data symbols related to the two adjacent OCC factors is 1; The interval of the data symbols related to the two adjacent OCC factors is 2; The interval of the data symbols related to the two adjacent OCC factors is 4; The interval of the data symbols related to the two adjacent OCC factors is the number of the data symbols included in one PUSCH; The interval of the data symbols related to the two adjacent OCC factors is the ratio of the number of the data symbols included in one PUSCH to the length of the first OCC; The interval of the data symbols associated with the two adjacent OCC factors is the ratio of the number of the data symbols included in the time domain unit size of the time domain OCC spread spectrum to the length of the first OCC.
  5. The method of any one of claims 2 to 4, wherein the first OCC length is 2 and the first set of OCCs is { { +1, +1}, { +1, -1 }.
  6. The method of any of claims 2-4, wherein the first OCC length is 4 and the first set of OCCs is one of ：{{+1,+1,+1,+1},{+1,-1,+1,-1},{+1,+1,-1,-1},{+1,-1,-1,+1}};{{+1,+1,+1,+1},{+1,-j,-1,+j},{+1,-1,+1,-1},{+1,+j,-1,-j}}.
  7. The method of any one of claims 2 to 4, wherein the first OCC is of length N, the first set of OCCs being determined according to the formula w i (m)＝e j2πφ(m)/N Wherein i represents an OCC index in the first OCC set, i has a value of 0 to N-1, w i (m) represents an mth OCC factor included in the ith OCC, m has a value of 0 to N-1, and Φ (m) is a preset value determined based on i and N.
  8. The method according to any one of claims 2 to 7, wherein the terminal device spreads the first PUSCH in a manner of spreading using OCC in a time domain, comprising: The terminal device spreads the first PUSCH in a time domain by using an OCC spreading mode based on the first OCC, wherein the first OCC is an OCC determined from the first OCC set based on the first OCC index.
  9. The method of any of claims 1 to 8, wherein the first indication information is used to determine one or more of: Whether time domain OCC spreading is enabled; A time domain unit size of the time domain OCC spread spectrum; the interval of the data symbols associated with two adjacent OCC factors; A first OCC, the first OCC being an OCC used for time domain OCC spreading; A first OCC length, the first OCC length being a length of the first OCC; a first OCC set, the first OCC set being an OCC set associated with the first OCC length; the first OCC index is used to determine, the first OCC index is used to indicate the first OCC; and the first DMRS port is associated with the first OCC index.
  10. The method of claim 9, wherein, The first indication information is used for determining that the first PUSCH is transmitted in a mode of using OCC spreading in a time domain if the first indication information is configured to enable the time domain OCC spreading, or And if the first indication information is not configured to enable time domain OCC spread spectrum or the first indication information is configured to not enable time domain OCC spread spectrum, the first indication information is used for determining that the first PUSCH is transmitted in a mode of not using OCC spread spectrum in the time domain.
  11. The method of claim 9, wherein, The first indication information is used to determine to transmit the first PUSCH in a manner using OCC spreading in the time domain if the first indication information indicates one or more of: the time domain unit size of the time domain OCC spread spectrum; The interval of the data symbols associated with the two adjacent OCC factors; The first OCC; the first OCC length; the first OCC set; The first OCC index; The first DMRS port.
  12. The method according to any one of claims 9 to 11, wherein, if the first indication information does not indicate a time domain cell size of the time domain OCC spread, the time domain cell size of the time domain OCC spread is predefined, and/or, If the first indication information does not indicate the interval of the data symbols associated with the two adjacent OCC factors, the interval of the data symbols associated with the two adjacent OCC factors is predefined, and/or, If the first indication information does not indicate the first OCC length, the first OCC length is predefined, and/or, If the first indication information does not indicate the first set of OCCs, the first set of OCCs is predefined, and/or, If the first indication information does not indicate the first OCC index, the first OCC index is predefined, and/or, And if the first indication information does not indicate the first DMRS port, the first DMRS port is predefined.
  13. The method of any one of claims 1 to 12, wherein the method further comprises: The terminal device determines a size of a first transport block, TB, based on one or more of: A first OCC length, the first OCC length being a length of a first OCC, the first OCC being an OCC used for time domain OCC spreading; the number of physical resource blocks PRB occupied by the first PUSCH transmission; the number of data symbols in the time slot occupied by the first PUSCH transmission; and the number of time slots occupied by the first PUSCH transmission.
  14. The method of claim 13, wherein the size of the first TB is determined according to a number of resource elements, REs, occupied by the first TB, wherein the number of REs occupied by the first TB is determined according to a number of PRBs occupied by the first PUSCH transmission, a number of data symbols in a slot occupied by the first PUSCH transmission, a number of slots occupied by the first PUSCH transmission, and the first OCC length.
  15. The method of claim 13 or 14, wherein the first indication information is used to indicate one or more of: the number of PRBs occupied by the first PUSCH transmission; the number of data symbols in the time slot occupied by the first PUSCH transmission; and the number of time slots occupied by the first PUSCH transmission.
  16. The method of claim 15, wherein the number of slots occupied by the first PUSCH transmission is 1 if the first indication information does not indicate the number of slots occupied by the first PUSCH transmission.
  17. The method of any one of claims 1 to 16, wherein the first indication information is transmitted by radio resource control, RRC, signaling, or The first indication information is transmitted through downlink control information DCI, or And transmitting part of information in the first indication information through RRC signaling, and transmitting part of information in the first indication information through DCI.
  18. The method of claim 17, wherein, in case that part or all of the first indication information is transmitted through DCI, if the first PUSCH is a DCI-scheduled PUSCH, part or all of the first indication information is transmitted through DCI scheduling the first PUSCH, or And if the first PUSCH is the pre-configured CG-PUSCH, transmitting part or all of the information in the first indication information through activating DCI of the first PUSCH.
  19. The method according to any one of claims 1 to 18, wherein the terminal device spreads the first PUSCH in a time domain using OCC spreading, comprising: The terminal equipment spreads the first PUSCH in a time domain by using an OCC spreading mode based on the time domain unit size of the time domain OCC spreading, wherein the time domain unit size of the time domain OCC spreading is N PUSCHs, the repetition frequency of the first PUSCH in the time domain is P, and the P is integer multiple of N.
  20. The method according to any one of claims 1 to 18, wherein the terminal device spreads the first PUSCH in a time domain using OCC spreading, comprising: The terminal equipment spreads the first PUSCH in a time domain by using an OCC spreading mode based on the time domain unit size of the time domain OCC spreading, wherein the time domain unit size of the time domain OCC spreading is M data symbols, and the number of the data symbols included in one PUSCH in the first PUSCH is Q, and Q is an integer multiple of M.

Description

Channel transmission method, device and storage medium Technical Field The embodiment of the application relates to the technical field of mobile communication, in particular to a channel transmission method, device and storage medium. Background In order to improve Uplink coverage of a cell, a Physical Uplink shared channel (Physical Uplink SHARED CHANNEL, PUSCH) is transmitted by using a retransmission method. For example, one PUSCH is repeated N times in the time domain. Since a PUSCH needs to be repeatedly transmitted N times, the occupied uplink resource is N times that of the PUSCH, which does not perform repeated transmission, and the uplink capacity of the system is reduced. Disclosure of Invention The embodiment of the application provides a channel transmission method, device and storage medium. The channel transmission method provided by the embodiment of the application comprises the following steps: The method comprises the steps that a terminal device receives first indication information sent by a network device, wherein the first indication information is used for determining a mode of using an orthogonal code mask (Orthogonal Cover Code, OCC) to spread in a time domain to transmit a first Physical Uplink Shared Channel (PUSCH); And the terminal equipment spreads the first PUSCH in a time domain by using an OCC spread spectrum mode and sends the first PUSCH to the network equipment. The channel transmission method provided by the embodiment of the application comprises the following steps: the method comprises the steps that network equipment sends first indication information to terminal equipment, wherein the first indication information is used for determining a mode of using an orthogonal code (OCC) spread spectrum to transmit a first Physical Uplink Shared Channel (PUSCH) in a time domain; And the network equipment receives the first PUSCH sent by the terminal equipment and despreads the first PUSCH in a time domain by using an OCC spread spectrum mode. The terminal equipment provided by the embodiment of the application comprises: a first communication unit configured to receive first indication information sent by a network device, where the first indication information is used to determine that a first physical uplink shared channel PUSCH is transmitted in a time domain using an orthogonal code mask (Orthogonal Cover Code, OCC) spread spectrum manner; a first processing unit configured to spread the first PUSCH in a time domain using OCC spreading; The first communication unit is further configured to send the first PUSCH to the network device. The network device provided by the embodiment of the application comprises: A second communication unit configured to send first indication information to a terminal device, where the first indication information is used to determine that a first physical uplink shared channel PUSCH is transmitted in a time domain by using an orthogonal code mask OCC spread spectrum; The second communication unit is further configured to receive the first PUSCH transmitted by the terminal device; And the second processing unit is configured to despread the first PUSCH in a mode of using OCC spread spectrum in a time domain. The communication device provided by the embodiment of the application can be the terminal device in the scheme or the network device in the scheme, and the communication device comprises a processor and a memory. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory to execute the channel transmission method. The chip provided by the embodiment of the application is used for realizing the channel transmission method. The chip comprises a processor for calling and running a computer program from a memory, so that a device provided with the chip executes the channel transmission method. The computer readable storage medium provided by the embodiment of the application is used for storing a computer program, and the computer program enables a computer to execute the channel transmission method. The computer program product provided by the embodiment of the application comprises computer program instructions, wherein the computer program instructions enable a computer to execute the channel transmission method. The computer program provided by the embodiment of the application, when running on a computer, causes the computer to execute the channel transmission method. According to the technical scheme, the terminal equipment performs time domain spread spectrum on the PUSCH sent by the terminal equipment in a time domain by using the OCC spread spectrum mode based on the first indication information sent by the network equipment, so that the uplink capacity of the system is improved under the condition of ensuring the uplink coverage requirement. Drawings The accompanying drawings, which are included to provide a further understanding of the application an