US 11,838,944 B2
Method and apparatus for performing contention-based and non-contention-based beam failure recovery in a wireless communication system
Sangbum Kim, Suwon-si (KR); Soenghun Kim, Suwon-si (KR); Jaehyuk Jang, Suwon-si (KR); Seungri Jin, Suwon-si (KR); Donggun Kim, Suwon-si (KR); and Alexander Sayenko, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Nov. 22, 2021, as Appl. No. 17/532,823.
Application 17/532,823 is a continuation of application No. 16/933,344, filed on Jul. 20, 2020, granted, now 11,184,921.
Application 16/933,344 is a continuation of application No. 16/245,082, filed on Jan. 10, 2019, granted, now 10,721,767, issued on Jul. 21, 2020.
Claims priority of application No. 10-2018-0003521 (KR), filed on Jan. 10, 2018.
Prior Publication US 2022/0086901 A1, Mar. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 5/00 (2006.01); H04W 74/02 (2009.01); H04W 36/00 (2009.01); H04W 76/19 (2018.01); H04W 36/06 (2009.01); H04W 74/08 (2009.01)
CPC H04W 74/02 (2013.01) [H04W 36/0027 (2013.01); H04W 36/0044 (2013.01); H04W 36/0077 (2013.01); H04W 36/06 (2013.01); H04W 76/19 (2018.02); H04L 5/0048 (2013.01); H04W 74/0833 (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, information on contention-free random access (RA) resources; and
performing a contention-free RA procedure based on the information on the contention-free RA resources,
wherein the information on the contention-free RA resources is not discarded upon completion of the contention-free RA procedure, in case that the contention-free RA procedure is a contention-free RA procedure for beam failure recovery (BFR).