CPC H04W 74/02 (2013.01) [H04W 74/0833 (2013.01); H04W 76/27 (2018.02); H04W 76/36 (2018.02)] | 20 Claims |
1. A method performed by a terminal in a wireless communication system, the method comprising:
receiving, from a base station, a message for a master cell group (MCG) including information configuring a contention free random access resource for 2-step random access procedure, wherein the contention free random access resource for 2-step random access procedure comprises a dedicated random access preamble and a dedicated physical uplink shared channel (PUSCH) resource;
transmitting, to the base station, a message A (MSGA) preamble for the 2-step random access procedure based on the information;
identifying whether the 2-step random access procedure is completed;
releasing the contention free random access resource comprising the dedicated random access preamble and the dedicated PUSCH resource based on whether the 2-step random access procedure is completed; and
releasing the contention free random access resource comprising the dedicated random access preamble and the dedicated PUSCH resource, in case that a T304 timer of the MCG configured based on the message expires.
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