Search

CN-116456365-B - Information transmission method, configuration optimization method, device, terminal and network equipment

CN116456365BCN 116456365 BCN116456365 BCN 116456365BCN-116456365-B

Abstract

The invention provides an information transmission method, a configuration optimization method, a device, a terminal and network equipment, and relates to the technical field of communication. The method comprises the steps that a terminal receives Small Data Transmission (SDT) configuration information sent by network equipment, wherein the SDT configuration information comprises configuration authorization (CG) configuration information for SDT, the terminal performs a CG-SDT process based on configuration authorization according to the CG configuration information, the terminal sends first information related to the CG-SDT to the network equipment, the first information is used for optimizing the CG-SDT related configuration information, and the first information comprises one or more of CG resource related information of the CG-SDT process, cause related information of failure of the CG-SDT process and CG-SDT related information before Random Access (RA) of non-SDT accesses to a network. The invention can solve the problem of resource waste in the prior SDT transmission scheme.

Inventors

  • SHI JIE
  • YAN NAN
  • ZHANG MINGZHU

Assignees

  • 大唐移动通信设备有限公司

Dates

Publication Date
20260505
Application Date
20220110

Claims (20)

  1. 1. An information transmission method, comprising: The terminal receives small data transmission SDT configuration information sent by network equipment, wherein the SDT configuration information comprises configuration authorization CG configuration information for SDT; The terminal performs a small data transmission CG-SDT process based on configuration authorization according to the CG configuration information; The terminal sends first information related to the CG-SDT to the network equipment, wherein the first information is used for optimizing configuration information related to the CG-SDT; Wherein the first information includes: The related information of the reason for failure of the CG-SDT process; The reason related information of the failure of the CG-SDT process comprises second indicating information used for indicating the reason of the failure of the CG-SDT process, and the second indicating information is used for indicating the indicating information of the failure of the CG-SDT process caused by cell reselection.
  2. 2. The information transmission method according to claim 1, wherein the first information further includes one or more of: CG resource-related information for the CG-SDT process; CG-SDT related information prior to random access RA access network other than SDT.
  3. 3. The information transmission method according to claim 2, wherein the CG resource related information of the CG-SDT process includes at least one or more of: Terminal identification information of the terminal; cell information corresponding to CG resources in a CG-SDT process; CG resource group information corresponding to CG resources of the CG-SDT process; beam information corresponding to CG resources of the CG-SDT process; State information of the terminal in a CG-SDT process; CG resource allocation information corresponding to the state information; Measurement threshold value information corresponding to CG resources in the CG configuration information; Threshold value information of the payload size in the CG configuration information; CG-based radio network temporary identity, RNTI, information for the terminal when in an inactive state.
  4. 4. The information transmission method according to claim 3, wherein in the case where the CG-SDT process is a CG-SDT process with transmission failure, the CG resource related information further includes: first indication information for indicating that the CG-SDT timer expires and CG-SDT transmission feedback is not received.
  5. 5. The information transmission method according to claim 1, wherein the second indication information is further used to indicate at least one or more of: Indication information for indicating that the CG-SDT process fails due to expiration of a CG-SDT timer; and the indication information is used for indicating that the CG-SDT process fails due to the fact that the radio link control RLC reaches the maximum retransmission times.
  6. 6. The information transmission method according to claim 1, wherein the cause-related information of the occurrence failure of the CG-SDT process further includes: The terminal transitions from an inactive state to a first measurement related information of an idle state.
  7. 7. The information transmission method according to claim 6, wherein the first measurement related information includes at least one or more of: when the terminal is converted from an inactive state to an idle state, the cell information of a serving cell corresponding to the CG-SDT is obtained; when the terminal is converted from an inactive state to an idle state, the measurement result of the serving cell corresponding to the CG-SDT is obtained; when the terminal is converted from an inactive state to an idle state, the measurement result of the neighbor cell; After the terminal is converted from an inactive state to an idle state, the cell information of the target cell; after the terminal is converted from an inactive state to an idle state, the measurement result of the target cell is obtained; And the maximum retransmission times of the CG-SDT process failure are caused by the maximum retransmission times reached by the RLC.
  8. 8. The information transmission method according to claim 2, wherein the SDT related information prior to the RA access network other than SDT includes at least one or more of: Third indication information for indicating that the CG-SDT is experienced or not experienced before the RA access network other than the SDT; Fourth indication information for indicating CG-SDT related SDT types experienced by the terminal when triggering RA procedures other than SDT.
  9. 9. The information transmission method according to claim 8, wherein the fourth indication information is at least one or more of: indication information for indicating that the terminal fails to trigger the RA procedure of the non-SDT when the CG-SDT procedure is experienced; Indication information for indicating that the terminal has failed to trigger an RA procedure other than CG-SDT for converting from the CG-SDT to a first type of RA-SDT procedure; And indication information for indicating that the terminal experiences a transition from CG-SDT to first type RA-SDT and a failure of the RA-SDT procedure to transition from first type RA-SDT to second type RA-SDT triggers the non-SDT RA procedure.
  10. 10. The information transmission method according to claim 1, wherein the SDT configuration information further includes RA configuration information for the SDT, the method further comprising: The terminal performs a random access-based small data transmission RA-SDT process according to the SDT configuration information; The terminal sends second information related to the RA-SDT to the network equipment, wherein the second information is used for optimizing configuration information related to the RA-SDT; Wherein the second information includes: And the RA-SDT process generates the reason related information of failure.
  11. 11. The information transmission method according to claim 10, wherein the second information includes one or more of: RA-SDT related information prior to random access RA access network other than SDT; And sharing the information related to the random access channel opportunity RO of the RA-SDT procedure.
  12. 12. The information transmission method of claim 10, wherein the reason related information for failure of the RA-SDT procedure comprises: Fifth indication information for indicating a cause of failure of the RA-SDT procedure; The terminal is converted into second measurement related information of an idle state from an inactive state; wherein the fifth indication information is at least one or more of the following: Indication information for indicating that the RA-SDT procedure fails due to cell reselection; Indication information for indicating that the RA-SDT procedure fails due to expiration of an RA-SDT timer; and the indication information is used for indicating that the RA-SDT process fails due to the maximum retransmission times of the RLC.
  13. 13. The information transmission method according to claim 12, wherein the second measurement related information includes at least one or more of: when the terminal is converted from an inactive state to an idle state, the terminal is provided with cell information of a serving cell corresponding to the RA-SDT; When the terminal is converted from an inactive state to an idle state, the measurement result of the serving cell corresponding to the RA-SDT is obtained; when the terminal is converted from an inactive state to an idle state, the measurement result of the neighbor cell; After the terminal is converted from an inactive state to an idle state, the cell information of the target cell; after the terminal is converted from an inactive state to an idle state, the measurement result of the target cell is obtained; and the maximum retransmission times of the RA-SDT process failure are caused by the maximum retransmission times reached by the RLC.
  14. 14. The information transmission method according to claim 11, wherein the RA-SDT related information preceding the non-SDT random access RA access network comprises at least one or more of: Sixth indication information for indicating that RA-SDT is experienced or RA-SDT is not experienced before RA access network other than SDT; Seventh indication information for indicating an RA-SDT related SDT type experienced by the terminal when triggering an RA procedure other than SDT.
  15. 15. The information transmission method according to claim 14, wherein the seventh indication information is at least one or more of: indication information for indicating that the terminal fails to trigger the RA procedure of the non-SDT through the RA-SDT procedure of the first type; indication information for indicating that the terminal failed to trigger the RA procedure other than SDT through the RA-SDT procedure of the second type; Indication information for indicating that the terminal failed to trigger an RA procedure other than the SDT by undergoing a transition from the first type of RA-SDT to the second type of RA-SDT; Indication information for indicating that the terminal has failed to trigger an RA procedure other than CG-SDT for converting from the CG-SDT to a first type of RA-SDT procedure; And indication information for indicating that the terminal experiences a transition from CG-SDT to first type RA-SDT and a failure of the RA-SDT procedure to transition from first type RA-SDT to second type RA-SDT triggers the non-SDT RA procedure.
  16. 16. The information transmission method according to claim 11, wherein the shared random access channel occasion RO related information of the RA-SDT procedure includes at least one or more of the following: Eighth indication information for indicating that the first type of RA-SDT procedure and the second type of RA-SDT procedure share the RO; the number of contention-based random access preambles for the first type of RA-SDT on each synchronization signal block SSB when the first type of RA-SDT procedure and the second type of RA-SDT procedure share ROs; for each SSB, the first type of RA-SDT procedure shares subset information of ROs in RA resources of the second type of RA-SDT procedure; Ninth indication information for indicating that the first type RA-SDT procedure uses or does not use the shared RO resource.
  17. 17. The information transmission method according to claim 1, characterized in that the method further comprises: the terminal receives RA configuration information sent by the network equipment; The terminal performs an RA process according to the RA configuration information; The terminal sends third information related to the shared RO of the RA to the network device, wherein the third information is used for optimizing configuration information related to the shared RO of the RA.
  18. 18. The information transmission method according to claim 17, wherein the third information includes one or more of: tenth indication information for indicating that the first type of RA procedure and the second type of RA procedure share the RO; the number of contention-based random access preambles for the first type of RA on each SSB when the first type of RA procedure and the second type of RA procedure share ROs; for each SSB, the first type of RA procedure sharing subset information of ROs in RA resources of the second type of RA procedure; eleventh indication information for indicating that the first type RA procedure uses or does not use the shared RO resource.
  19. 19. A method of configuration optimization, comprising: the network equipment sends small data transmission SDT configuration information to the terminal, wherein the SDT configuration information comprises configuration authorization CG configuration information for SDT; The network equipment receives first information related to the CG-SDT of the small data transmission based on configuration authorization, which is sent by the terminal, wherein the first information is acquired by the terminal in the CG-SDT process according to the CG configuration information; the network equipment optimizes the CG-SDT related configuration information according to the first information Wherein the first information includes: The related information of the reason for failure of the CG-SDT process; The reason related information of the failure of the CG-SDT process comprises second indicating information used for indicating the reason of the failure of the CG-SDT process, and the second indicating information is used for indicating the indicating information of the failure of the CG-SDT process caused by cell reselection.
  20. 20. The configuration optimization method of claim 19, wherein the first information further comprises one or more of: CG resource-related information for the CG-SDT process; CG-SDT related information prior to random access RA access network other than SDT.

Description

Information transmission method, configuration optimization method, device, terminal and network equipment Technical Field The present invention relates to the field of communications technologies, and in particular, to an information transmission method, a configuration optimization method, an apparatus, a terminal, and a network device. Background The small data transmission is divided into two transmission modes, one is small data transmission (SMALL DATA transmission, SDT) based on Configuration Grant (CG), namely CG-SDT, and the other is small data transmission based on Random Access (RA), namely RA-SDT. The terminal, or User Equipment (UE), preferably selects the CG-SDT, and if the CG-SDT selection condition cannot be satisfied, the UE selects the RA-SDT. When RA-SDT is selected, SDT of two-step random access (2-step RACH) is selected preferentially, and when the condition is not satisfied, SDT of four-step random access (4-step RACH) is selected. Based on the existing SDT transmission scheme, the terminal performs SDT selection according to the SDT configuration of the network equipment side, and determines the SDT transmission mode, so that after the network equipment side configures the configuration information of the SDT for the UE, the problem that the UE can not meet the SDT access condition all the time possibly exists, thereby causing resource waste. Disclosure of Invention The invention provides an information transmission method, a configuration optimization method, a device, a terminal and network equipment, which solve the problem of resource waste in the existing SDT transmission scheme. The embodiment of the invention provides an information transmission method, which comprises the following steps: The terminal receives small data transmission SDT configuration information sent by network equipment, wherein the SDT configuration information comprises configuration authorization CG configuration information for SDT; The terminal performs a small data transmission CG-SDT process based on configuration authorization according to the CG configuration information; The terminal sends first information related to the CG-SDT to the network equipment, wherein the first information is used for optimizing configuration information related to the CG-SDT; Wherein the first information includes one or more of: CG resource-related information for the CG-SDT process; The related information of the reason for failure of the CG-SDT process; CG-SDT related information prior to random access RA access network other than SDT. Optionally, the CG resource related information of the CG-SDT process includes at least one or more of: Terminal identification information of the terminal; cell information corresponding to CG resources in a CG-SDT process; CG resource group information corresponding to CG resources of the CG-SDT process; beam information corresponding to CG resources of the CG-SDT process; State information of the terminal in a CG-SDT process; CG resource allocation information corresponding to the state information; Measurement threshold value information corresponding to CG resources in the CG configuration information; Threshold value information of the payload size in the CG configuration information; CG-based radio network temporary identity (Radio Network Temporary Identifier, RNTI) information when the terminal is in an inactive state. Optionally, in the case that the CG-SDT process is a CG-SDT process with failed transmission, the CG resource related information further includes: first indication information for indicating that the CG-SDT timer expires and CG-SDT transmission feedback is not received. Optionally, the reason related information of the failure of the CG-SDT process includes at least one or more of the following: second indication information for indicating a cause of failure of the CG-SDT process; The terminal transitions from an inactive state to a first measurement related information of an idle state. Optionally, the second indication information is at least one or more of the following: Indication information for indicating that the CG-SDT process fails due to cell reselection; Indication information for indicating that the CG-SDT process fails due to expiration of a CG-SDT timer; And indication information for indicating that the CG-SDT process fails due to the radio link control (Radio Link Control, RLC) reaching a maximum number of retransmissions. Optionally, the first measurement related information includes at least one or more of: when the terminal is converted from an inactive state to an idle state, the cell information of a serving cell corresponding to the CG-SDT is obtained; when the terminal is converted from an inactive state to an idle state, the measurement result of the serving cell corresponding to the CG-SDT is obtained; when the terminal is converted from an inactive state to an idle state, the measurement result of the neighbor cell; After the terminal