US 12,232,003 B2
Apparatus and method for service subscription, using E2 interface in wireless access network communication system
Junhyuk Song, Suwon-si (KR); Jeongyeob Oak, Suwon-si (KR); and Chungkeun Lee, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Apr. 1, 2022, as Appl. No. 17/711,675.
Application 17/711,675 is a continuation of application No. PCT/KR2020/013436, filed on Sep. 29, 2020.
Claims priority of provisional application 62/908,790, filed on Oct. 1, 2019.
Prior Publication US 2022/0225066 A1, Jul. 14, 2022
Int. Cl. H04W 4/60 (2018.01); H04W 4/12 (2009.01); H04W 88/12 (2009.01); H04W 92/20 (2009.01)
CPC H04W 4/60 (2018.02) [H04W 4/12 (2013.01); H04W 88/12 (2013.01); H04W 92/20 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method performed by an E2 node, the method comprising:
receiving, from a Radio Access Network (RAN) Intelligent Controller (RIC), via an E2 interface, an RIC subscription request message for a RAN function supported by the E2 node; and
transmitting, to the RIC via the E2 interface, a RIC subscription response message to accept the RIC subscription request message,
wherein the RIC subscription request message comprising information indicating a network interface type and information indicating a group identifier (ID) list for the RAN function supported by the E2 node, and
wherein a maximum number of at least one group ID included in the group ID list is 256.