主权项 |
1. A method of operating a third device to establish a communication link between a first device and a second device, the method comprising:
transmitting a first handover request message to the first device; receiving a first handover response message from the first device, wherein the first handover response message includes first power condition information related to a first alternative carrier, and first connection information for the first alternative carrier; transmitting a second handover request message to the second device; receiving a second handover response message from the second device, wherein the second handover response message includes second power condition information related to a second alternative carrier, and second connection information for the second alternative carrier; and transmitting a third handover response message containing alternative carrier information to the first device or the second device, wherein the alternative carrier information is determined based on at least one of the first alternative carrier or the second alternative carrier. |