CPC H04W 72/23 (2023.01) [H04L 5/00 (2013.01); H04L 5/001 (2013.01); H04L 5/0048 (2013.01); H04L 5/0053 (2013.01); H04L 5/0091 (2013.01); H04W 72/0453 (2013.01)] | 64 Claims |
1. A method comprising:
receiving, by a wireless device, a medium access control (MAC) control element (CE) that indicates activation of a cell, and starting a first timer;
based on downlink control information (DCI) that indicates monitoring of a downlink control channel, starting a second timer; and
based on one or more of the first timer expiring or receiving a second MAC CE that indicates deactivation of the cell, stopping the second timer.
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