Transmission of sidelink resource information of NR V2X

1. A method for sidelink (SL) by a first apparatus, the method including:

establishing a SL unicast link for data communication between the first apparatus and a second apparatus, with the second apparatus,

establishing a PC5-RRC connection related with the SL unicast link, with the second apparatus; and

transmitting information on a SL resource to the second apparatus through a PC5-RRC message based on the PC5-RRC connection,

wherein the information on the SL resource includes at least one of information on an SL measurement resource or information on an SL report resource, and

wherein the information related to the SL report resource includes information on a latency requirement of the SL report, and

triggering SL transmission of data having quality of service (QoS) including latency requirement of the data; and

performing the SL transmission of the data, to the second apparatus, based on the SL transmission being satisfied with the latency requirement of the SL report and based on the SL transmission being satisfied with the latency requirement of the data.

2. The method of claim 1 , wherein the information on the SL resource includes the information on the SL measurement resource,

wherein generating the information on the SL resource related to the second apparatus includes generating the information on the SL measurement resource related to the second apparatus, and

the transmitting the information on the SL resource to the second apparatus includes transmitting the information on the SL measurement resource to the second apparatus.

3. The method of claim 2 , wherein the information on the SL measurement resource includes information on a location of the SL measurement resource.

4. The method of claim 2 , wherein the information on the SL measurement resource includes at least one of information on a periodicity of a SL measurement or information on a location of the SL measurement resource.

5. The method of claim 2 , wherein the information on the SL measurement includes information on a reference signal (RS) for a SL measurement.

6. The method of claim 5 , wherein the information on the RS includes information on a location of a resource for the RS.

7. The method of claim 5 , wherein the information on the RS includes at least one of information on a periodicity of an RS transmission or information on a location of a resource for the RS.

8. The method of claim 5 , wherein the information on the RS includes information on a resource mapping pattern of the RS.

9. The method of claim 8 , wherein the information on the resource mapping pattern is index information for representing the resource mapping pattern of the RS.

10. The method of claim 8 , wherein the information on the resource mapping pattern is information on a location of a resource for the RS forming the resource mapping pattern.

11. A first apparatus on a sidelink (SL), the first apparatus including:

at least one memory storing instructions;

at least one transceiver; and

at least one processor connected to the at least one memory and the at least one transceiver,

wherein the at least one processor is configured to:

establish a SL unicast link for data communication between the first apparatus and a second apparatus, with the second apparatus,

establish a PC5-RRC connection related with the SL unicast link, with a second apparatus, and

control the at least one transceiver to transmit information on a SL resource to the second apparatus through a PC5-RRC message based on the PC5-RRC connection,

wherein the information on the SL resource includes at least one of information on an SL measurement resource or information on an SL report resource, and

wherein the information related to the SL report resource includes information on a latency requirement of the SL report, and

trigger SL transmission of data having quality of service (QoS) including latency requirement of the data; and

control the at least one transceiver to perform the SL transmission of the data, to the second apparatus, based on the SL transmission being satisfied with the latency requirement of the SL report and based on the SL transmission being satisfied with the latency requirement of the data.

12. A processing device controlling a first apparatus, the processing device including:

at least one processor; and

at least one computer memory operably coupled by the at least one processor and storing instructions,

wherein, by the at least one processor executing the instructions, the first apparatus is configured to:

establish a SL unicast link for data communication between the first apparatus and a second apparatus, with the second apparatus,

establish a PC5-RRC connection related with the SL unicast link, with the second apparatus, and

transmit information on an SL resource to the second apparatus through a PC5-RRC message based on the PC5-RRC connection,

wherein the information on the SL resource includes at least one of information on an SL measurement resource or information on an SL report resource, and

wherein the information on the SL resource includes at least one of information on an SL measurement resource or information on an SL report resource, and

wherein the information related to the SL report resource includes information on a latency requirement of the SL report, and

trigger SL transmission of data having quality of service (QoS) including latency requirement of the data; and

perform the SL transmission of the data, to the second apparatus, based on the SL transmission being satisfied with the latency requirement of the SL report and based on the SL transmission being satisfied with the latency requirement of the data.