| CPC H04W 16/14 (2013.01) [H04L 1/1893 (2013.01); H04W 16/24 (2013.01)] | 30 Claims |
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1. A user equipment (UE), comprising:
one or more memories; and
one or more processors coupled to the one or more memories and configured to:
establish a first component carrier as a primary cell for the UE and a second component carrier as a secondary cell for the UE, wherein the first component carrier and the second component carrier are in a same timing advance group;
receive primary cell configuration information for the second component carrier while the second component carrier is the secondary cell for the UE;
receive a control message triggering a switch of the primary cell from the first component carrier to the second component carrier;
establish the second component carrier as the primary cell for the UE based at least in part on the control message and in accordance with the primary cell configuration information associated with the second component carrier; and
transmit, based at least in part on establishing the second component carrier as the primary cell, a completion message included in a dedicated field of one or more uplink messages.
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