US 11,706,828 B2
Method and apparatus for supporting terminal relay
Nam Suk Lee, Daejeon (KR); and Hee Sang Chung, Daejeon (KR)
Assigned to Electronics and Telecommunications Research Institute, Daejeon (KR)
Filed by ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Filed on Jul. 22, 2021, as Appl. No. 17/382,914.
Claims priority of application No. 10-2020-0118227 (KR), filed on Sep. 15, 2020; and application No. 10-2021-0060873 (KR), filed on May 11, 2021.
Prior Publication US 2022/0086930 A1, Mar. 17, 2022
Int. Cl. H04W 76/14 (2018.01); H04W 40/24 (2009.01); H04W 88/04 (2009.01); H04W 72/20 (2023.01)
CPC H04W 76/14 (2018.02) [H04W 40/24 (2013.01); H04W 72/20 (2023.01); H04W 88/04 (2013.01)] 13 Claims
OG exemplary drawing
 
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.