| CPC H04W 72/231 (2023.01) [H04L 27/26025 (2021.01); H04W 56/0045 (2013.01); H04W 72/1273 (2013.01)] | 20 Claims |
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1. A method performed by a user device, the method comprising:
transmitting, to a base station, capability information associated with the user device;
receiving, from the base station, a first radio resource control (RRC) message, wherein the first RRC message comprises:
at least one configuration parameter associated with a serving cell; and
at least one configuration parameter associated with layer-1/layer-2 triggered mobility (LTM);
receiving, from the base station, downlink control information (DCI) associated with a physical downlink control channel (PDCCH) order, wherein the DCI comprises:
a first field comprising a value associated with the PDCCH order; and
a second field configured to comprise a first value associated with the serving cell or a second value associated with a LTM candidate cell;
based on the second value being comprised in the second field, transmitting, to the LTM candidate cell, a random access preamble; and
after transmitting the random access preamble, receiving a second message comprising a timing advance value associated with the LTM candidate cell.
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