US 11,930,490 B2
Method and apparatus for idle mode operation in wireless communication system
Anil Agiwal, 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 Mar. 29, 2021, as Appl. No. 17/215,516.
Claims priority of provisional application 63/004,309, filed on Apr. 2, 2020.
Claims priority of provisional application 63/003,448, filed on Apr. 1, 2020.
Prior Publication US 2021/0314979 A1, Oct. 7, 2021
Int. Cl. H04W 72/1268 (2023.01); H04L 5/00 (2006.01); H04W 72/044 (2023.01); H04W 72/21 (2023.01); H04W 88/06 (2009.01)
CPC H04W 72/1268 (2013.01) [H04L 5/0032 (2013.01); H04W 72/044 (2013.01); H04W 72/21 (2023.01); H04W 88/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, configuration information on a reference signal for identifying beam failure recovery (BFR);
determining that the BFR for a serving cell associated with the base station is triggered based on the configuration information and is not cancelled;
identifying whether an uplink shared channel (UL-SCH) resource is available for a new transmission;
in case that the UL-SCH resource is available for the new transmission, identifying whether the UL-SCH resource is able to accommodate a non-truncated BFR medium access control (MAC) control element (CE) plus a subheader for the non-truncated BFR MAC CE;
in case that the UL-SCH resource is not able to accommodate the non-truncated BFR MAC CE plus the subheader for the non-truncated BFR MAC CE, identifying whether the UL-SCH resource is able to accommodate a truncated BFR MAC CE plus a subheader for the truncated BFR MAC CE; and
in case that the UL-SCH resource is not able to accommodate the truncated BFR MAC CE plus the subheader for the truncated BFR MAC CE, triggering a scheduling request (SR) for the BFR for the serving cell.