CPC H04W 74/004 (2013.01) [H04B 7/04 (2013.01); H04L 43/0817 (2013.01); H04W 16/00 (2013.01); H04W 56/001 (2013.01); H04W 72/21 (2023.01); H04W 74/04 (2013.01); H04W 74/0883 (2013.01); H04W 76/19 (2018.02)] | 30 Claims |
1. A method of wireless communication by a user equipment (UE), the method comprising:
determining whether to use a contention-free random access channel (RACH) procedure with a dedicated preamble or a contention-based RACH procedure for beam failure recovery with a base station based on receiving a RACH configuration from the base station for at least one of the contention-free RACH procedure with the dedicated preamble or the contention-based RACH procedure;
performing, based on detection of a failure of a serving beam through which the UE communicates with the base station, the determined one of the contention-free RACH procedure with the dedicated preamble or the contention-based RACH procedure for the beam failure recovery, wherein the dedicated preamble is determined using a beam corresponding to a reference signal, wherein the reference signal is selected based on a power metric associated with the reference signal.
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