QUALCOMM Incorporated
Random access channel (RACH) message partitioning for beam correspondence indication

Abstract:

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may select, for a first message of a random access channel (RACH) procedure and based at least in part on whether the UE has beam correspondence, at least one of: a set of time-frequency resources for the first message of the RACH procedure, or a preamble for the first message of the RACH procedure. In some aspects, the UE may transmit, to a base station and based at least in part on selecting the at least one of the set of time-frequency resources or the preamble, the first message of the RACH procedure. Numerous other aspects are provided.