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CN-115883034-B - Method and device for determining transmission parameters

CN115883034BCN 115883034 BCN115883034 BCN 115883034BCN-115883034-B

Abstract

The embodiment of the application discloses a method and equipment for determining transmission parameters, and belongs to the technical field of communication. The method for determining the transmission parameters comprises the steps that a terminal obtains configuration information, wherein the configuration information comprises at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, the second SRS resource set is configured based on the first SRS resource set, the terminal determines the transmission parameters of SRS resources according to the configuration information, and the SRS resources belong to the first SRS resource set and/or the second SRS resource set.

Inventors

  • SUN RONGRONG
  • LIU HAO
  • SONG YANG
  • TAMARAKA RAGESH

Assignees

  • 维沃移动通信有限公司

Dates

Publication Date
20260512
Application Date
20210923
Priority Date
20210806

Claims (20)

  1. 1. A method for determining transmission parameters, comprising: The terminal acquires configuration information, wherein the configuration information comprises at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, the second SRS resource set is configured based on the first SRS resource set, and the first SRS resource set and the second SRS resource set are used for Physical Uplink Shared Channel (PUSCH) transmission; the terminal determines transmission parameters of SRS resources according to the configuration information, wherein the SRS resources belong to the first SRS resource set and/or the second SRS resource set; The second SRS resource set is configured based on the first SRS resource set, including: The number of the first SRS resource sets is 1, the number of the second SRS resource sets is 2, the second target SRS resource sets in the second SRS resource sets are configured based on the first target SRS resource sets in the first SRS resource sets, and the second target SRS resource sets are one with smaller SRS resource set indexes in the two second SRS resource sets, or The number of the first SRS resource sets is 2, the number of the second SRS resource sets is 1, the second target SRS resource sets in the second SRS resource sets are configured based on first target SRS resource sets in the two first SRS resource sets, and the first target SRS resource sets are one of the two first SRS resource sets with smaller SRS resource set indexes; the method further comprises the steps of: the terminal receives third DCI of a third DCI format, wherein the third DCI format is the first DCI format or the second DCI format; And the terminal determines the transmission parameters of the PUSCH according to the configuration information, the third DCI format and the information carried by the third DCI.
  2. 2. The method of claim 1, wherein a second set of target SRS resources in the at least one second set of SRS resources is configured based on a first set of target SRS resources in the at least one first set of SRS resources.
  3. 3. The method of claim 2, wherein when the number X of the first SRS resource sets is less than the number Y of the second SRS resource sets, X of the second target SRS resource sets in Y second SRS resource sets are respectively configured based on X of the first SRS resource sets; Or alternatively When the number X of the first SRS resource sets is greater than or equal to the number Y of the second SRS resource sets, Y second SRS resource sets are configured based on Y first target SRS resource sets in the X first SRS resource sets, respectively.
  4. 4. The method of claim 3, wherein the configuration of the second set of target SRS resources comprises: N SRS resources in the first target SRS resource set and a first configuration parameter of the first target SRS resource set; The first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers.
  5. 5. The method of claim 2 or 3 or 4, wherein the first set of target SRS resources is associated with the second set of target SRS resources.
  6. 6. The method of claim 5, further comprising the terminal determining that the first set of target SRS resources and the second set of target SRS resources are associated according to at least one of: sequencing results of the plurality of first SRS resource sets according to the identification size and sequencing results of the plurality of second SRS resource sets according to the identification size; The relative positions of the plurality of first SRS resource sets in the first SRS resource set sequence and the plurality of second SRS resource sets in the second SRS resource set sequence.
  7. 7. The method of claim 5, wherein the step of determining the position of the probe is performed, The second target SRS resource set is associated with the first target SRS resource set with the smallest identification in the first SRS resource set sequence, or The second set of target SRS resources is associated with a first one of the first set of target SRS resources in a sequence of first sets of SRS resources.
  8. 8. The method of claim 5, further comprising the terminal determining that the first set of target SRS resources and the second set of target SRS resources are associated according to at least one of: identifying the same SRS resource set association; and a first parameter carried in the SRS resource set, wherein the first parameter is used for indicating the SRS resource set associated with the SRS resource set.
  9. 9. The method of claim 8, wherein the first parameter satisfies at least one of: The first parameter is SRS resource set identification; The first parameter is used for indicating which SRS resource in the SRS resource set sequence is associated with the corresponding SRS resource set.
  10. 10. The method according to claim 2, wherein the method further comprises: the terminal receives a Media Access Control (MAC) CE; And the terminal updates the path loss reference signals associated with the first target SRS resource set and the path loss reference signals associated with the second target SRS resource set according to the MAC CE, or updates the path loss reference signals of all SRS resources in the first target SRS resource set according to the MAC CE.
  11. 11. The method of claim 10, wherein the MAC CE comprises an identification of the first set of target SRS resources and/or the second set of target SRS resources; Wherein the MAC CE includes path loss reference signal identification for updating the path loss reference signal associated with the identification of the first set of target SRS resources and the path loss reference signal associated with the identification of the second set of target SRS resources associated with the first set of target SRS resources, or, The MAC CE includes a pathloss reference signal identification for updating the pathloss reference signal associated with the identification of the second set of target SRS resources and the pathloss reference signal associated with the identification of the first set of target SRS resources associated with the second set of target SRS resources.
  12. 12. The method of claim 10, wherein the MAC CEs include a first MAC CE and a second MAC CE; The path loss reference signal identifier included in the first MAC CE is used for updating the path loss reference signal associated with the first target SRS resource set, and the path loss reference signal identifier included in the second MAC CE is used for updating the path loss reference signal associated with the second target SRS resource set.
  13. 13. The method according to any one of claims 10 to 12, wherein the determining, by the terminal, the transmission parameters of SRS resources according to the configuration information comprises: And the terminal determines the transmission parameters of the SRS resources according to the configuration information and the path loss reference signal indicated by the MAC CE.
  14. 14. The method of claim 1, wherein the PUSCH transmission parameters comprise a power control parameter set, and wherein the determining, by the terminal, the PUSCH transmission parameters according to the configuration information, the third DCI format, and information carried by the third DCI comprises: The terminal determines a third SRS resource set corresponding to the PUSCH according to the configuration information, the third DCI format and the information carried by the third DCI, wherein the third SRS resource set is the second target SRS resource set or the first target SRS resource set; the terminal determines a power control parameter set sequence of the PUSCH according to the third SRS resource set; And the terminal determines the power control parameter set of the PUSCH from the power control parameter set sequence according to the value of the SRI domain in the third DCI.
  15. 15. The method of claim 14, wherein the determining, by the terminal, the sequence of the set of power control parameters of the PUSCH from the third SRS resource set comprises: the terminal takes the power control parameter set sequence corresponding to the third SRS resource set as the power control parameter set sequence of the PUSCH, or The terminal takes the power control parameter set sequence corresponding to the SRS resource set associated with the third SRS resource set as the power control parameter set of the PUSCH, wherein the third SRS resource set and the SRS resource set associated with the third SRS resource set correspond to the same power control parameter set sequence.
  16. 16. A method for determining transmission parameters, comprising: The network side equipment sends configuration information, wherein the configuration information comprises at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, the second SRS resource set is configured based on the first SRS resource set, and the first SRS resource set and the second SRS resource set are used for PUSCH transmission; The second SRS resource set is configured based on the first SRS resource set, including: The number of the first SRS resource sets is 1, the number of the second SRS resource sets is 2, the second target SRS resource sets in the second SRS resource sets are configured based on the first target SRS resource sets in the first SRS resource sets, and the second target SRS resource sets are one with smaller SRS resource set indexes in the two second SRS resource sets, or The number of the first SRS resource sets is 2, the number of the second SRS resource sets is 1, the second target SRS resource sets in the second SRS resource sets are configured based on first target SRS resource sets in the two first SRS resource sets, and the first target SRS resource sets are one of the two first SRS resource sets with smaller SRS resource set indexes; the method further comprises the steps of: The network side device sends third DCI of a third DCI format, wherein the third DCI format is the first DCI format or the second DCI format, and the configuration information, the third DCI format and information carried by the third DCI are used for determining transmission parameters of a PUSCH by a terminal.
  17. 17. The method of claim 16, wherein a second set of target SRS resources in the at least one second set of SRS resources is configured based on a first set of target SRS resources in the at least one first set of SRS resources.
  18. 18. The method of claim 17, wherein when the number X of the first SRS resource sets is less than the number Y of the second SRS resource sets, X of the second target SRS resource sets in Y second SRS resource sets are respectively configured based on X of the first SRS resource sets; Or alternatively When the number X of the first SRS resource sets is greater than or equal to the number Y of the second SRS resource sets, Y second SRS resource sets are configured based on Y first target SRS resource sets in the X first SRS resource sets, respectively.
  19. 19. The method of claim 18, wherein the configuration of the second set of target SRS resources comprises: N SRS resources in the first target SRS resource set and a first configuration parameter of the first target SRS resource set; The first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers.
  20. 20. The method of claim 17, wherein the method further comprises: The network side equipment sends a MAC CE, wherein the MAC CE is used for updating the path loss reference signals associated with the first target SRS resource set and the path loss reference signals associated with the second target SRS resource set by a terminal, or the MAC CE is used for updating the path loss reference signals of all SRS resources in the first target SRS resource set by the terminal.

Description

Method and device for determining transmission parameters Technical Field The application belongs to the technical field of communication, and particularly relates to a method and equipment for determining transmission parameters. Background In order to implement transmission of a Physical Uplink shared channel (Physical Uplink SHARED CHANNEL, PUSCH) with multiple transmission and reception points (Transmission and Reception Point, TRP), a network side device needs to configure a plurality of Sounding reference signal (Sounding REFERENCE SIGNAL, SRS) resource sets for a terminal, where the plurality of SRS resource sets correspond to a plurality of TRPs. Meanwhile, in order to reduce the overhead of the downlink control information (Downlink Control Information, DCI), the SRS resource set may be configured for different DCI formats, for example, the SRS resource set 1 is configured for a first DCI format, the SRS resource set 2 is configured for a second DCI format, and so on. As the number of SRS resource sets is increased, the requirement on the capability of the terminal is higher, the capability of the terminal needs to be enhanced, and the cost of the terminal is increased. Disclosure of Invention The embodiment of the application provides a method and equipment for determining transmission parameters, which can solve the problem of increased terminal cost caused by high capability requirement on terminals due to the increase of the number of SRS resource sets. In a first aspect, a method for determining transmission parameters is provided, which includes that a terminal obtains configuration information, wherein the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, the second SRS resource set is configured based on the first SRS resource set, the terminal determines the transmission parameters of SRS resources according to the configuration information, and the SRS resources belong to the first SRS resource set and/or the second SRS resource set. In a second aspect, a method for determining transmission parameters is provided, where the network side device sends configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set. In a third aspect, a determining device for transmission parameters is provided, which includes an acquisition module configured to acquire configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, where the second SRS resource set is configured based on the first SRS resource set, and a determining module configured to determine transmission parameters of SRS resources according to the configuration information, where the SRS resources belong to the first SRS resource set and/or the second SRS resource set. In a fourth aspect, a transmission parameter determining apparatus is provided, including a transmitting module, configured to transmit configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set. In a fifth aspect, there is provided a terminal comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, which program or instruction when executed by the processor implements the method according to the first aspect. In a sixth aspect, a terminal is provided, including a processor and a communication interface, where the communication interface is configured to obtain configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, where the second SRS resource set is configured based on the first SRS resource set, and the processor is configured to determine a transmission parameter of an SRS resource according to the configuration information, where the SRS resource belongs to the first SRS resource set and/or the second SRS resource set. In a seventh aspect, a network side device is provided, the network side device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction implementing the method according to the second aspect when executed by the processor. In an eighth aspect, a network side device is provided, including a proce