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CN-122002587-A - Signaling acquisition method, terminal and network side equipment

CN122002587ACN 122002587 ACN122002587 ACN 122002587ACN-122002587-A

Abstract

The application discloses a signaling acquisition method, a terminal and network side equipment, which belong to the technical field of wireless communication, and the signaling acquisition method in the embodiment of the application comprises the steps that the terminal receives DCI, wherein the DCI is used for scheduling at least two cells, and at least one cell in the at least two cells comprises a plurality of data channels; and the terminal acquires the scheduling information of the data channels of the at least two cells based on the DCI.

Inventors

  • LI CAN
  • LI GEN

Assignees

  • 维沃移动通信有限公司

Dates

Publication Date
20260508
Application Date
20241108

Claims (20)

  1. 1. A signaling acquisition method, comprising: A terminal receives Downlink Control Information (DCI), wherein the DCI is used for scheduling at least two cells, and at least one cell in the at least two cells comprises a plurality of data channels; and the terminal acquires the scheduling information of the data channels of the at least two cells based on the DCI.
  2. 2. The method of claim 1, wherein the terminal obtains scheduling information for at least one data channel for each of the at least two cells based on the DCI, comprising: The terminal determines the bit number of a second DCI domain of the DCI based on at least one first DCI domain of the DCI, wherein the first DCI domain comprises at least one of a scheduling cell indication domain for indicating the at least two cells to be scheduled, a frequency domain resource allocation FDRA domain for indicating frequency domain information of the data channel to be scheduled, and a time domain resource allocation TDRA domain for indicating time domain information of the data channel to be scheduled, and the second DCI domain comprises at least one of a redundancy version RV domain and a new data indication NDI domain; the terminal determines the second DCI domain of the DCI based on the bit number of the second DCI domain; The terminal obtains scheduling information of at least one data channel of each cell in the at least two cells based on information carried in the at least one first DCI domain and the second DCI domain of the DCI.
  3. 3. The method of claim 2, wherein the terminal determining the number of bits of the second DCI domain of the DCI based on the at least one first DCI domain of the DCI comprises: In the case that the first DCI domain includes the scheduling cell indication domain and the TDRA domain, the terminal determines that the second DCI domain includes N1 first bit blocks, each of which includes a number of bits of Mi, where N1 is a number of the at least two scheduled cells determined based on the scheduling cell indication domain and Mi is a number of the data channels scheduled in each of the scheduled cells determined according to the scheduling cell indication domain and the TDRA domain.
  4. 4. The method of claim 2, wherein the terminal determining the number of bits of the second DCI domain of the DCI based on the at least one first DCI domain of the DCI comprises: in the case that the first DCI domain includes the scheduling cell indication domain, the terminal determines that the second DCI domain includes N1 second bit blocks, where the number of bits included in each second bit block is M2, N1 is the number of the at least two scheduled cells determined based on the scheduling cell indication domain, M2 is the maximum number of data channels that can be scheduled in a first cell group determined according to the scheduling cell indication domain and a configured TDRA table, and the first cell group is a cell group corresponding to the at least two scheduled cells.
  5. 5. The method of claim 2, wherein the terminal determining the number of bits of the second DCI domain of the DCI based on the at least one first DCI domain of the DCI comprises: In the case that the first DCI domain includes the FDRA domain and the FDRA domain is used to indicate whether a cell is scheduled, the terminal determines that the second DCI domain includes N2 third bit blocks, where N2 is a maximum number of schedulable cells determined according to a configuration of a network side device and Mi' is a maximum number of data channels that can be scheduled per schedulable cell determined according to a TDRA table configured.
  6. 6. The method according to any one of claims 1 to 5, characterized in that after the terminal receives downlink control information, DCI, the method further comprises: the terminal determines the bit number fed back by the HARQ codebook; the terminal generates an HARQ codebook based on the determined bit number fed back by the HARQ codebook; And feeding back the HARQ codebook.
  7. 7. The method of claim 6, wherein the terminal determining the number of bits for the hybrid automatic repeat request, HARQ, codebook feedback comprises: The terminal determines the bit number of the HARQ codebook feedback to be a first value, wherein the first value is one of the following: The first value is the maximum value of the number of HARQ bits corresponding to each cell group capable of being scheduled, wherein the number of the HARQ bits corresponding to each cell group capable of being scheduled is the sum of the number of the HARQ bits corresponding to each cell in each cell group determined based on a TDRA table configured; The first value is the maximum value of the maximum HARQ bit numbers corresponding to each cell group capable of being scheduled, wherein the maximum HARQ bit number corresponding to each cell group is the sum of the maximum values of the HARQ bit numbers corresponding to each cell in each cell group determined based on a TDRA table configured.
  8. 8. The method of claim 7, wherein the terminal determining that the number of bits of the HARQ codebook feedback is a first value comprises: The terminal determines the number of bits of the HARQ codebook feedback to be a first value in case that a target configuration is configured for configuring a schedulable cell combination, or a first DCI domain of the DCI includes a scheduling cell indication domain for indicating the at least two cells to be scheduled.
  9. 9. The method of claim 6, wherein the terminal determining the number of bits for the hybrid automatic repeat request, HARQ, codebook feedback comprises: the terminal determines the number of bits fed back by the HARQ codebook to be a second value, wherein the second value is one of the following: the second value is the sum of a second number corresponding to the first number of cells; The second value is the maximum value of the product of the first number and each of the second numbers; The first number is the maximum number of cells capable of being scheduled or the first number is the maximum number of cells contained in a configured cell set, and the second number is the maximum value of the number of HARQ bits corresponding to each cell in the first number of cells determined according to a configured TDRA table.
  10. 10. The method of claim 9, wherein the determining, by the terminal, that the number of bits of the HARQ codebook feedback is a second value comprises: And determining the number of bits fed back by the HARQ codebook to be a second value in the case that the terminal is not configured with a target configuration or the first DCI domain of the DCI comprises FDRA domains for indicating the frequency domain information of the scheduled data channel, wherein the target configuration is used for configuring schedulable cell combinations.
  11. 11. The method of claim 6, wherein the terminal determining the number of bits for the hybrid automatic repeat request, HARQ, codebook feedback comprises: And determining the bit number of the HARQ codebook feedback according to at least one first DCI domain in each DCI when the number of the DCIs is a plurality, wherein the first DCI domain comprises at least one of a scheduling cell indication domain for indicating the at least two scheduled cells and a FDRA domain for indicating frequency domain information of the scheduled data channels.
  12. 12. The method of claim 11, wherein determining the number of bits of the HARQ codebook feedback from at least one first DCI domain in each of the DCIs comprises: Determining a first cell combination corresponding to at least two cells scheduled by each DCI according to at least one first DCI domain in each DCI, and determining the maximum HARQ bit number corresponding to the first cell combination corresponding to each DCI based on a TDRA table configured; And determining the bit number fed back by the HARQ codebook as the maximum value in the maximum HARQ bit number corresponding to the first cell group corresponding to the DCI.
  13. 13. The method of claim 11, wherein determining the number of bits of the HARQ codebook feedback from at least one first DCI domain in each of the DCIs comprises: determining a first cell combination corresponding to the at least two cells scheduled by each DCI according to at least one first DCI domain in each DCI; The terminal determines that the number of bits fed back by the HARQ codebook is a product of a third number and a fourth number, wherein the third number is a number of cells included in a second cell combination, the fourth number is a maximum value in the maximum number of HARQ bits corresponding to each cell determined according to a TDRA table configured, and the second cell combination is a cell combination with the largest number of cells included in the first cell combination scheduled by each DCI.
  14. 14. The method according to any of claims 7 to 10 and 13, characterized in that the corresponding number of HARQ bits per cell is determined by at least one of: Under the condition that the cell is configured with space binding feedback HARQ, the number of HARQ bits corresponding to the cell is the number of data channels which can be scheduled at most by the cell or the number of transport block groups which can be scheduled at most by the cell; In the case that the cell is not configured with space bundling feedback HARQ, for a cell not configured with 2 codewords, the number of HARQ bits corresponding to the cell is the number of data channels that can be scheduled at most by the cell or the number of transport block groups that can be scheduled at most by the cell, and for a cell configured with 2 codewords, the number of bits that can be fed back by the cell is 2 times the number of data channels that can be scheduled at most by the cell or 2 times the number of transport block groups that can be scheduled at most by the cell; for a cell configured with time-bundled feedback HARQ, the number of HARQ bits corresponding to the cell is the number of transport block groups which can be scheduled at most by the cell, and for a cell not configured with time-bundled feedback HARQ, the number of bits which can be fed back by the cell is the number of data channels which can be scheduled at most by the cell.
  15. 15. The method of claim 6, wherein the feeding back the HARQ codebook comprises: And under the condition that the data channel scheduled by the DCI is a physical downlink shared channel and at least one block of a third DCI domain including a secondary cell dormancy indication is included in the DCI, the terminal feeds back feedback information of the secondary cell dormancy indication at a determined ordering position, wherein the feedback information comprises one of 1-bit acknowledgement ACK information, W-bit non-acknowledgement information, 1-bit acknowledgement information and W-1-bit non-acknowledgement information, wherein W is the number of HARQ bits corresponding to a target cell, and the target cell is a cell corresponding to at least one block of the third DCI domain.
  16. 16. The method of claim 15, wherein the third DCI field is at least one of FDRA fields, NDI fields, RV fields, modulation and coding scheme MCS fields, HARQ process numbers, antenna port fields.
  17. 17. A method for transmitting a signal, which comprises the steps of, characterized by comprising the following steps: and the network side equipment sends DCI to the terminal, wherein the DCI is used for scheduling at least two cells, and at least one cell in the at least two cells comprises a plurality of data channels.
  18. 18. The method of claim 17, wherein before the network side device transmits DCI to a terminal, the method further comprises: The network side equipment determines the bit number of a second DCI domain of the DCI based on at least one first DCI domain of the DCI, wherein the first DCI domain comprises at least one of a scheduling cell indication domain for indicating the at least two scheduled cells, a frequency domain resource allocation FDRA domain for indicating frequency domain information of the scheduled data channel and a time domain resource allocation TDRA domain for indicating time domain information of the scheduled data channel, and the second DCI domain comprises at least one of a redundancy version RV domain and a new data indication NDI domain.
  19. 19. The method of claim 18, wherein the network side device determining the number of bits of the second DCI domain of the DCI based on the at least one first DCI domain of the DCI comprises: In the case that the first DCI domain includes the scheduling cell indication domain and the TDRA domain, the network side device determines that the second DCI domain includes N1 first bit blocks, where N1 is the number of the at least two scheduled cells determined based on the scheduling cell indication domain and N1 is the number of the data channels scheduled in each scheduled cell determined according to the scheduling cell indication domain and the TDRA domain.
  20. 20. The method of claim 18, wherein the network side device determining the number of bits of the second DCI domain of the DCI based on the at least one first DCI domain of the DCI comprises: in the case that the first DCI domain includes the scheduling cell indication domain, the network side device determines that the second DCI domain includes N1 second bit blocks, where the number of bits included in each second bit block is M2, N1 is the number of the at least two scheduled cells determined based on the scheduling cell indication domain, M2 is the maximum number of data channels that can be scheduled in a first cell group determined according to the scheduling cell indication domain and a configured TDRA table, and the first cell group is a cell group corresponding to the at least two scheduled cells.

Description

Signaling acquisition method, terminal and network side equipment Technical Field The application belongs to the technical field of wireless communication, and particularly relates to a signaling acquisition method, a terminal and network side equipment. Background In the related art, the network side device may schedule the data channels of the cells through the downlink control information (Downlink Control Information, DCI), however, in the related art, one DCI may schedule only one data channel in one cell, resulting in a low scheduling signaling utilization rate. Disclosure of Invention The embodiment of the application provides a signaling acquisition method, a terminal and network side equipment, which can solve the problem of low utilization rate of scheduling signaling. In a first aspect, a signaling acquisition method is provided, which includes that a terminal receives DCI, wherein the DCI is used for scheduling at least two cells, at least one cell of the at least two cells comprises a plurality of data channels, and the terminal acquires scheduling information of at least one data channel of each cell of the at least two cells based on the DCI. In a second aspect, a signaling sending method is provided, which includes that a network side device sends DCI to a terminal, wherein the DCI is used for scheduling at least two cells, and at least one cell in the at least two cells includes a plurality of data channels. In a third aspect, a signaling acquisition device is provided, which includes a receiving module configured to receive DCI, where the DCI is used to schedule at least two cells, at least one of the at least two cells includes a plurality of data channels, and a processing module configured to acquire scheduling information of at least one data channel of each of the at least two cells based on the DCI. In a fourth aspect, a signaling sending device is provided, which includes a sending module, configured to send DCI to a terminal, where the DCI is used to schedule at least two cells, and at least one cell of the at least two cells includes a plurality of data channels. In a fifth aspect, there is provided a signalling device configured to perform the steps of the method as described in the first aspect, or a signalling device patched to perform the steps of the method as described in the second aspect. In a sixth aspect, there is provided a terminal comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the first aspect. In a seventh aspect, a terminal is provided, comprising a processor for performing the steps of the method according to the first aspect, and a communication interface for coupling with the processor. In an eighth aspect, a network side device is provided, the network side device comprising a processor and a memory storing a program or instructions executable on the processor, the program or instructions implementing the steps of the method according to the second aspect when executed by the processor. In a ninth aspect, a network side device is provided, comprising a processor for performing the steps of the method according to the second aspect, and a communication interface for coupling with the processor. In a tenth aspect, there is provided a readable storage medium having stored thereon a program or instructions which when executed by a processor, performs the steps of the method according to the first aspect or performs the steps of the method according to the second aspect. An eleventh aspect provides a wireless communication system comprising a terminal operable to perform the steps of the method as described in the first aspect and a network side device operable to perform the steps of the method as described in the second aspect. In a twelfth aspect, there is provided a chip comprising a processor and a communication interface coupled to the processor, the processor being for running a program or instructions to implement the method according to the first aspect or to implement the method according to the second aspect. In a thirteenth aspect, there is provided a computer program/program product stored in a storage medium, the computer program/program product being executed by at least one processor to implement the steps of the method as described in the first aspect, or to implement the steps of the method as described in the second aspect. In the embodiment of the application, the terminal receives DCI, wherein the DCI is used for scheduling at least two cells, at least one cell in the at least two cells comprises a plurality of data channels, and the terminal acquires the scheduling information of at least one data channel of each cell in the at least two cells based on the DCI, so that the plurality of cells can be scheduled through one DCI, and at least one cell is scheduled for a plurality of data channels, thereby improvi