CPC H04W 76/14 (2018.02) [H04W 40/24 (2013.01); H04W 72/20 (2023.01); H04W 88/04 (2013.01)] | 13 Claims |
3. An operation method of a first base station in a communication system, the operation method comprising:
transmitting a node address to a first terminal when the first terminal is connected to the first base station;
receiving, from the first terminal, a routing information registration request message including routing information of a second terminal, the routing information being composed of a first root node address, a first branch node address, a first relay channel identifier (ID), and a first radio link control (RLC) channel ID, the first root node address being a node address of a second base station to which the second terminal was previously connected, and the first branch node address being a node address of the first base station; and
registering the routing information of the second terminal in a routing table, and transmitting a routing registration confirmation message to the first terminal.
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