Parameter set acquisition method and device

1. A method for acquiring a parameter set that is applicable to user equipment for a side-link communication, comprising:

acquiring a target parameter set corresponding to information to be transmitted, the information to be transmitted having an information type that is at least one of a synchronization signal, side-link broadcast information, physical layer control information or user data, wherein the target parameter set is used for the side-link communication, the target parameter set comprises a value of a parameter for transmitting the information to be transmitted, and the parameter at least comprises a cyclic prefix corresponding to a subcarrier interval; and

transmitting the information to be transmitted by using the target parameter set;

wherein acquiring the target parameter set further comprises:

receiving downlink control information sent by a base station, the downlink control information including the target parameter set for the user equipment to transmit the information to be transmitted; and

parsing the downlink control information to obtain the target parameter set corresponding to the information to be transmitted.

2. The method according to claim 1 , wherein acquiring the target parameter set further comprises:

receiving configuration information sent by a base station, the configuration information including the target parameter set for the user equipment to transmit the information to be transmitted; and

parsing the configuration information to obtain the target parameter set corresponding to the information to be transmitted.

3. The method according to claim 1 , wherein acquiring the target parameter set further comprises:

acquiring a target carrier frequency band for transmitting the information to be transmitted; and

acquiring the target parameter set corresponding to the target carrier frequency band based on a preset correspondence between carrier frequency bands and parameter sets.

4. The method according to claim 1 , wherein acquiring the target parameter set further comprises:

acquiring the target parameter set corresponding to the information to be transmitted based on a preset correspondence between information types and parameter sets.

5. The method according to claim 1 , wherein acquiring the target parameter set further comprises:

acquiring a time-frequency resource set for transmitting the information to be transmitted; and

acquiring the target parameter set corresponding to the time-frequency resource set based on a preset correspondence between time-frequency resource sets and parameter sets.

6. The method according to claim 1 , wherein acquiring the target parameter set further comprises:

receiving a synchronization signal or side-link broadcast information sent by a peer-end device;

determining a parameter set used by the peer-end device to transmit at least one of physical layer control information or user data based on the synchronization signal or the side-link broadcast information; and

determining the parameter set as the target parameter set for the user equipment to transmit the information to be transmitted.

7. The method according to claim 6 , wherein determining the parameter set used by the peer-end device further comprises:

detecting a parameter set used by the peer-end device when sending the synchronization signal or the side-link broadcast information; and

determining the parameter set used by the peer-end device to transmit the at least one of the physical layer control information or the user data based on the parameter set used by the peer-end device when sending the synchronization signal or the side-link broadcast information.

8. The method according to claim 6 , wherein determining the parameter set used by the peer-end device further comprises:

acquiring a synchronization signal sequence or a reference sequence of side-link broadcast information used by the peer-end device based on the synchronization signal or the side-link broadcast information; and

determining the parameter set used by the peer-end device to transmit the at least one of the physical layer control information or the user data based on a preset correspondence between the synchronization signal sequence or the reference sequence of side-link broadcast information and the parameter set.

9. The method according to claim 6 , wherein the synchronization signal or the side-link broadcast information sent by the peer-end device includes first indication information indicating the parameter set used by the peer-end device to transmit the at least one of the physical layer control information or the user data, and the determining the parameter set used by the peer-end device to transmit the at least one of the physical layer control information or the user data based on the synchronization signal or the side-link broadcast information further comprises:

parsing the synchronization signal or the side-link broadcast information sent by the peer-end device to obtain the parameter set used by the peer-end device to transmit the at least one of the physical layer control information or the user data based on the first indication information.

10. The method according to claim 1 , wherein acquiring the target parameter set corresponding to the information to be transmitted further comprises:

receiving a synchronization signal or side-link broadcast information sent by a peer-end device; and

determining the parameter set used by the peer-end device to send the synchronization signal or the side-link broadcast information as the target parameter set used by the user equipment to send the synchronization signal or the side-link broadcast information when the synchronization signal sent by the peer-end device is determined as a synchronization reference signal for the user equipment to send signals.

11. The method according to claim 1 , wherein acquiring the target parameter set corresponding to the information to be transmitted comprises:

receiving physical layer control information sent by a peer-end device, the physical layer control information carrying second indication information indicating a parameter set used when transmitting at least one of user data or feedback information; and

parsing the physical layer control information to obtain the target parameter set used by the user equipment when transmitting the at least one of the user data or the feedback information.

12. A device for acquiring a parameter set, comprising:

a processor;

a memory configured to store instructions executable by the processor,

wherein the processor is configured to:

acquire a target parameter set corresponding to information to be transmitted, the information to be transmitted having an information type that is at least one of a synchronization signal, side-link broadcast information, physical layer control information, or user data, wherein the target parameter set is used for the side-link communication, the target parameter set comprises a value of a parameter for transmitting the information to be transmitted, and the parameter at least comprises a cyclic prefix corresponding to a subcarrier interval; and

transmit the information to be transmitted by using the target parameter set;

wherein the processor is further configured to acquire the target parameter set corresponding to the information to be transmitted by:

receiving downlink control information sent by a base station, wherein the downlink control information comprises including the target parameter set for the user equipment to transmit the information to be transmitted; and

parsing the downlink control information to obtain the target parameter set corresponding to the information to be transmitted.

13. The device according to claim 12 , wherein the processor is further configured to acquire the target parameter set corresponding to the information to be transmitted by:

receiving configuration information sent by a base station, wherein the configuration information comprises including the target parameter set for the user equipment to transmit the information to be transmitted; and

parsing the configuration information to obtain the target parameter set corresponding to the information to be transmitted.

14. The device according to claim 12 , wherein the processor is further configured to acquire the target parameter set corresponding to the information to be transmitted by:

acquiring a target carrier frequency band for transmitting the information to be transmitted; and

acquiring the target parameter set corresponding to the target carrier frequency band based on a preset correspondence between carrier frequency bands and parameter sets.

15. The device according to claim 12 , wherein the processor is further configured to acquire the target parameter set corresponding to the information to be transmitted by:

acquiring the target parameter set corresponding to the information to be transmitted based on a preset correspondence between information types and parameter sets.

16. The device according to claim 12 , wherein the processor is further configured to acquire the target parameter set corresponding to the information to be transmitted by:

acquiring a time-frequency resource set for transmitting the information to be transmitted; and

acquiring the target parameter set corresponding to the time-frequency resource set based on a preset correspondence between time-frequency resource sets and parameter sets.

17. The device according to claim 12 , wherein the processor is further configured to acquire the target parameter set corresponding to the information to be transmitted by:

receiving a synchronization signal or side-link broadcast information sent by a peer-end device;

determining a parameter set used by the peer-end device to transmit at least one of physical layer control information and/or user data based on the synchronization signal or the side-link broadcast information; and

determining the parameter set as the target parameter set for the user equipment to transmit the information to be transmitted.

18. A non-transitory computer-readable storage medium having computer instructions stored thereon that, when executed by a processor, cause the processor to perform operations comprising:

acquiring a target parameter set corresponding to information to be transmitted, the information to be transmitted having an information type that is at least one of a synchronization signal, side-link broadcast information, physical layer control information or user data, wherein the target parameter set is used for the side-link communication, the target parameter set comprises a value of a parameter for transmitting the information to be transmitted, and the parameter at least comprises a cyclic prefix corresponding to a subcarrier interval; and

transmitting the information to be transmitted by using the target parameter set;

wherein the processor is further caused to acquire the target parameter set corresponding to the information to be transmitted by:

receiving downlink control information sent by a base station, wherein the downlink control information comprises including the target parameter set for the user equipment to transmit the information to be transmitted; and

parsing the downlink control information to obtain the target parameter set corresponding to the information to be transmitted.