Random access transmission method and terminal

1. A random access transmission method, applied to a terminal side, wherein the random access transmission method comprises:

obtaining a data scrambling parameter of a physical uplink shared channel (PUSCH); and

sending a random access message msgA on a random access resource based on the data scrambling parameter, wherein the random access resource corresponds to a PUSCH resource and a physical random access channel (PRACH) resource;

wherein the data scrambling parameter is determined based on the PUSCH resource and/or the PRACH resource;

wherein the data scrambling parameter is determined based on at least one of the following information about the PRACH resource:

a random access channel occasion (RO);

a random access preamble; or

a random access radio network temporary identifier (RA-RNTI).

2. The random access transmission method according to claim 1 , wherein the step of sending a random access message msgA based on the data scrambling parameter comprises:

determining a scrambling sequence of the PUSCH based on the data scrambling parameter; and

sending the random access message based on the scrambling sequence.

3. The random access transmission method according to claim 1 , wherein the data scrambling parameter is determined based on at least one of the following information associated with the RO:

first index information of a synchronization signal block (SSB) associated with the RO;

second index information of a time-frequency domain resource corresponding to the RO;

third index information of a primary synchronization signal PSS transmitted in the SSB associated with the RO; or

fourth index information of a secondary synchronization signal SSS transmitted in the SSB associated with the RO.

4. The random access transmission method according to claim 1 , wherein the data scrambling parameter is determined based on an index of the random access preamble.

5. The random access transmission method according to claim 1 , wherein the data scrambling parameter is configured by a network device through a system broadcast message.

6. The random access transmission method according to claim 5 , wherein the system broadcast message comprises configuration information of a data scrambling parameter set.

7. The random access transmission method according to claim 6 , wherein the data scrambling parameter is one of the following association parameters associated with the data scrambling parameter set:

an RO corresponding to a random access process;

index information of an SSB associated with the RO; and

index information of a random access preamble.

8. The random access transmission method according to claim 6 , wherein the system broadcast message further comprises at least one of the following information:

an association relationship between an RO and the data scrambling parameter; or

an association relationship between a random access preamble and the data scrambling parameter.

9. A terminal, comprising a processor, a memory, and a computer program that is stored in the memory and that runs on the processor, wherein the computer program is executed by the processor to implement:

obtaining a data scrambling parameter of a physical uplink shared channel (PUSCH); and

sending a random access message msgA on a random access resource based on the data scrambling parameter, wherein the random access resource corresponds to a PUSCH resource and a physical random access channel (PRACH) resource;

wherein the data scrambling parameter is determined based on the PUSCH resource and/or the PRACH resource;

wherein the data scrambling parameter is determined based on at least one of the following information about the PRACH resource:

a random access channel occasion (RO);

a random access preamble; or

a random access radio network temporary identifier (RA-RNTI).

10. The terminal according to claim 9 , wherein the computer program is further executed by the processor to implement:

determining a scrambling sequence of the PUSCH based on the data scrambling parameter; and

sending the random access message based on the scrambling sequence.

11. The terminal according to claim 9 , wherein the data scrambling parameter is determined based on at least one of the following information associated with the RO:

first index information of a synchronization signal block (SSB) associated with the RO;

second index information of a time-frequency domain resource corresponding to the RO;

third index information of a primary synchronization signal PSS transmitted in the SSB associated with the RO; or

fourth index information of a secondary synchronization signal SSS transmitted in the SSB associated with the RO.

12. The terminal according to claim 9 , wherein the data scrambling parameter is determined based on an index of the random access preamble.

13. The terminal according to claim 9 , wherein the data scrambling parameter is configured by a network device through a system broadcast message.

14. The terminal according to claim 13 , wherein the system broadcast message comprises configuration information of a data scrambling parameter set.

15. The terminal according to claim 14 , wherein the data scrambling parameter is one of the following association parameters associated with the data scrambling parameter set:

an RO corresponding to a random access process;

index information of an SSB associated with the RO; and

index information of a random access preamble.

16. A non-transitory computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when a processor executes the computer program, the following steps are implemented:

obtaining a data scrambling parameter of a physical uplink shared channel (PUSCH); and

sending a random access message msgA on a random access resource based on the data scrambling parameter, wherein the random access resource corresponds to a PUSCH resource and a physical random access channel (PRACH) resource;

wherein the data scrambling parameter is determined based on the PUSCH resource and/or the PRACH resource;

wherein the data scrambling parameter is determined based on at least one of the following information about the PRACH resource:

a random access channel occasion (RO);

a random access preamble; or

a random access radio network temporary identifier (RA-RNTI).

17. The non-transitory computer-readable storage medium according to claim 16 , wherein when a processor executes the computer program, the following steps are implemented:

determining a scrambling sequence of the PUSCH based on the data scrambling parameter; and

sending the random access message based on the scrambling sequence.

18. The non-transitory computer-readable storage medium according to claim 16 , wherein the data scrambling parameter is determined based on at least one of the following information associated with the RO:

first index information of a synchronization signal block (SSB) associated with the RO;

second index information of a time-frequency domain resource corresponding to the RO;

third index information of a primary synchronization signal PSS transmitted in the SSB associated with the RO; or

fourth index information of a secondary synchronization signal SSS transmitted in the SSB associated with the RO.

19. The non-transitory computer-readable storage medium according to claim 16 , wherein the data scrambling parameter is determined based on an index of the random access preamble.

20. The non-transitory computer-readable storage medium according to claim 16 , wherein the data scrambling parameter is configured by a network device through a system broadcast message.