US 11,856,633 B2
Method and apparatus for performing communication in mobile communication system
Sangbum Kim, Suwon-si (KR); and Soenghun Kim, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Dec. 7, 2020, as Appl. No. 17/113,545.
Application 17/113,545 is a continuation of application No. 16/282,973, filed on Feb. 22, 2019, granted, now 10,917,933.
Claims priority of application No. 10-2018-0022235 (KR), filed on Feb. 23, 2018.
Prior Publication US 2021/0092794 A1, Mar. 25, 2021
Int. Cl. H04W 76/27 (2018.01); H04W 52/02 (2009.01); H04W 68/02 (2009.01)
CPC H04W 76/27 (2018.02) [H04W 52/0245 (2013.01); H04W 68/02 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method performed by a terminal in a wireless communication system, the method comprising:
triggering a Radio access network Notification Area (RNA) update in a Radio Resource Control (RRC) inactive states based on a certain condition being satisfied, the certain condition including expiration of a timer that triggers the RNA update;
transmitting, to a base station, an RRC resume request message in the RRC inactive state, the RRC resume request message including first information indicating that the RRC resume request message is transmitted to perform the RNA update;
receiving, from the base station, an RRC message in response to the RRC resume request message;
based on the RRC message including second information indicating a transition to the RRC inactive state, identifying RNA configuration information included in the received RRC message; and
transitioning from the RRC inactive state back to the RRC inactive state based on the second information.