Method and apparatus for performing position-based sidelink communication in wireless communication system
Proposed is a method for operating a first device ( 100 ) in a wireless communication system. The method may comprise the steps of: receiving, from a second device, a sidelink service and at least one ID associated with the sidelink service; and determining a communication range associated with the second device on the basis of mapping information and the at least one ID associated with the received sidelink service.
1. A method for performing wireless communication by a first device, the method comprising:
obtaining mapping information for mapping between a communication range and at least one of source identity (ID) or destination identity (ID);
receiving, from a second device, a service and control information including at least one of a source ID related to the service or a destination ID related to the service;
identifying, based on the mapping information and the at least one of the source ID related to the service or the destination ID related to the service, the communication range of the second device for the service; and
transmitting, to the second device, based on the first device being within the communication range of the second device for the service, hybrid automatic repeat request (HARQ) feedback in response to the receiving of the service.
2. The method of claim 1 ,
wherein the mapping information includes information related to at least one of location information of the second device.
3. The method of claim 2 ,
wherein the information related to the at least one of the location information of the second device, the communication range of the second device for the service includes at least one bit of the at least one of the source ID related to the service or the destination ID related to the service.
4. The method of claim 1 , wherein the mapping information includes information related to location information of the first device.
5. The method of claim 1 , wherein the mapping information is information received from a base station.
6. The method of claim 1 , wherein the identification of the communication range of the second device for the service is based on the mapping information and at least one bit of the at least one of the source ID related to the service or the destination ID related to the service.
7. The method of claim 1 , wherein, based on that the first device is within the communication range of the second device for the service and based on a failure of the reception of the service, the HARQ feedback includes information related to negative acknowledgement (NACK).
8. The method of claim 1 , wherein, based on that the first device is not within the communication range of the second device for the service, the HARQ feedback is not transmitted to the second device.
9. The method of claim 8 ,
wherein, based on that the first device is not within the communication range of the second device for the service and based on a failure of the reception of the service, the HARQ feedback related to NACK is not transmitted to the second device.
10. The method of claim 1 , wherein the mapping information is pre-configured.
11. The method of claim 1 ,
wherein the at least one of source ID related to the service or destination ID related to the service is transmitted from a lower layer of the first device to an upper layer of the first device in response to the reception of the service,
wherein the mapping information is obtained by the upper layer of the first device, and
wherein the determination of the communication range of the second device for the service is performed by the upper layer of the first device.
12. The method of claim 11 ,
wherein, based on that the first device is within the communication range of the second device for the service, information related to the first device being within the communication range of the second device for the service is transmitted from the upper layer of the first device to the lower layer of the first device, and
wherein the HARQ feedback is triggered based on the information related to the first device being within the communication range of the second device for the service.
13. The method of claim 12 ,
wherein the information related to the first device being within the communication range of the second device for the service includes the at least one of source ID related to the service or destination ID related to the service.
14. The method of claim 13 , wherein the upper layer is an application layer.
15. The method of claim 14 , wherein the lower layer is at least one of a radio resource control (RRC) layer, a medium access control (MAC) layer, or a physical layer.
16. The method of claim 1 ,
wherein the control information is sidelink control information (SCI),
wherein the service is a sidelink service, and
wherein the HARQ feedback is sidelink HARQ feedback.
17. A first device adapted to perform wireless communication, the first device comprising:
at least one transceiver;
at least one processor; and
at least one memory connected to the at least one processor and storing instructions that, based on being executed, cause the first device to perform operations comprising:
obtaining mapping information for mapping between a communication range and at least one of source identity (ID) or destination identity (ID);
receiving, from a second device, a service and control information including the at least one of the source ID related to the service or the destination ID related to the service;
identifying, based on the mapping information and the at least one of the source ID related to the service or the destination ID related to the service, the communication range of the second device for the service; and
transmitting, to the second device, based on the first device being within the communication range of the second device for the service, hybrid automatic repeat request (HARQ) feedback in response to the receiving of the service.
18. A processing device adapted to control a first device, the processing device comprising:
at least one processor; and
at least one memory connected to the at least one processor and storing instructions that, based on being executed, cause the first device to perform operations comprising:
obtaining mapping information for mapping between a communication range and at least one of source identity (ID) or destination identity (ID);
receiving, from a second device, a service and control information including the at least one of the source ID related to the service or the destination ID related to the service;
identifying, based on the mapping information and the at least one of the source ID related to the service or the destination ID related to the service, the communication range of the second device for the service; and
transmitting, to the second device, based on the first device being within the communication range of the second device for the service, hybrid automatic repeat request (HARQ) feedback in response to the receiving of the service.