Facilitating beam recovery request for 5G or other next generation network
Abstract:
When configured, a channel state information reference signal (CSI-RS) can be used to identify new beams. If CSI-RS based monitoring fails to identify new beams, and no other reference signals (RS) are used for beam management, the user equipment cannot identify a new beam. However, instead of using a 4-step random access channel (RACH) procedure for beam recovery request transmission, a modified 2-step contention-based RACH procedure can saves overhead and reduce latency associated with the 4-step procedure.
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