Apparatus and method for performing relay communication in wireless communication system
The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method and apparatus for performing a relay communication are provided. A remote user equipment (UE) according to the present disclosure is configured to acquire a first parameter related to relay load from each of a plurality of relay candidate UEs, to select a relay UE which will perform a relay communication with the remote UE from among the plurality of relay candidate UEs based on the first parameter acquired from each of the plurality of relay candidate UEs, and to perform the relay communication with the selected relay UE. The first parameter is generated based on cellular communication load between a base station (BS) connected to a corresponding relay candidate UE and the corresponding relay candidate UE.
1. A method of a remote user equipment (UE), the method comprising:
receiving an indicator from at least one relay candidate UE; and
receiving a relay service from a relay UE based on the indicator,
wherein the indicator is used to indicate whether a relay candidate UE has resources available to provide a relay service for additional remote UEs.
2. The method of claim 1 , wherein the relay UE is selected from among the at least one relay candidate UE based on the indicator received from each of the at least one relay candidate UE.
3. The method of claim 1 ,
wherein the indicator indicates one of a first value and a second value,
wherein the first value indicates the relay candidate UE does not have the resources available to provide the relay service for the additional remote UEs, and
wherein the second value indicates the relay candidate UE has the resources available to provide the relay service for the additional remote UEs.
4. The method of claim 1 , wherein the indicator is included in a message, and the message further includes an identifier (ID) of the relay candidate UE.
5. The method of claim 1 , wherein the indicator is included in a message, and the message further includes a relay service code to identify a relay service which the relay candidate UE provides.
6. The method of claim 1 , wherein the relay UE is selected from among the at least one relay candidate UE based on the indicator received from each of the at least one relay candidate UE and a ratio of uplink (UL) traffic to downlink (DL) traffic in the remote UE during a set time.
7. A method of a relay user equipment (UE), the method comprising:
generating an indicator; and
transmitting the indicator,
wherein the indicator is used to indicate whether the relay UE has resources available to provide a relay service for additional remote UEs.
8. The method of claim 7 ,
wherein the indicator indicates one of a first value and a second value,
wherein the first value indicates the relay UE does not have the resources available to provide the relay service for the additional remote UEs, and
wherein the second value indicates the relay UE has the resources available to provide the relay service for the additional remote UEs.
9. The method of claim 7 , wherein the indicator is included in a message, and the message further includes an identifier (ID) of the relay UE.
10. The method of claim 7 , wherein the indicator is included in a message, and the message further includes a relay service code to identify a relay service which the relay UE provides.
11. A remote user equipment (UE), the remote UE comprising:
at least one processor; and
a transceiver configured to receive an indicator from at least one relay candidate UE and receive a relay service from a relay UE based on the indicator,
wherein the indicator is used to indicate whether a candidate UE has resources available to provide a relay service for additional remote UEs.
12. The remote UE of claim 11 ,
wherein the indicator indicates one of a first value and a second value,
wherein the first value indicates the relay candidate UE does not have the resources available to provide the relay service for the additional remote UEs, and
wherein the second value indicates the relay candidate UE has the resources available to provide the relay service for the additional remote UEs.
13. The remote UE of claim 11 , wherein the indicator is included in a message, and the message further includes an identifier (ID) of the relay candidate UE.
14. The remote UE of claim 11 , wherein the indicator is included in a message, and the message further includes a relay service code to identify a relay service which the relay candidate UE provides.
15. The remote UE of claim 11 , wherein the relay UE is selected from among the at least one relay candidate UE based on the indicator received from each of the at least one relay candidate UE and a ratio of uplink (UL) traffic to downlink (DL) traffic in the remote UE during a set time.
16. The remote UE of claim 11 , wherein the relay UE is selected from among the at least one relay candidate UE based on the indicator received from each of the at least one relay candidate UE.
17. A relay user equipment (UE), the relay UE comprising:
at least one processor configured to generate an indicator; and
a transceiver configured to transmit the indicator,
wherein the indicator is used to indicate whether the relay UE has resources available to provide a relay service for additional remote UEs.
18. The relay UE of claim 17 ,
wherein the indicator indicates one of a first value and a second value,
wherein the first value indicates the relay UE does not have the resources available to provide the relay service for the additional remote UEs, and
wherein the second value indicates the relay UE has the resources available to provide the relay service for the additional remote UEs.
19. The relay UE of claim 17 , wherein the indicator is included in a message, and the message further includes an identifier (ID) of the relay UE.
20. The relay UE of claim 17 , wherein the indicator is included in a message, and the message further includes a relay service code to identify a relay service which the relay UE provides.