CPC H04W 74/0833 (2013.01) [H04W 72/23 (2023.01)] | 12 Claims |
1. A user equipment (UE) for a 2-step random access (RA) procedure, the UE comprising:
at least one processor; and
at least one memory coupled to the at least one processor and storing computer-executable instructions that, when executed by the at least one processor, cause the UE to:
perform a first Listen-Before-Talk (LBT) procedure on a Physical Random Access Channel (PRACH) occasion for transmitting a preamble of a message A (MSGA);
perform a second LBT procedure on a Physical Uplink Shared Channel (PUSCH) occasion for transmitting a payload of the MSGA, the payload including a Medium Access Control (MAC) Control Element (CE) including a Cell-Radio Network Temporary Identifier (C-RNTI);
monitor Physical Downlink Control Channel (PDCCH) candidates for a first random access response (RAR) identified by a message B (MSGB)-Radio Network Temporary Identifier (RNTI) in a MSGB window; and
monitor the PDCCH candidates for a second RAR identified by the C-RNTI in the MSGB window in a case that the second LBT procedure is successful.
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