US Patent 11064513 Scheduling of a primary cell from a secondary cell

A wireless device receives configuration parameters of a primary cell and a secondary cell. The secondary cell may be a scheduling cell for the primary cell. The secondary cell may be deactivated. The wireless device may monitor one or more first search spaces of the primary cell for receiving downlink control information associated with scheduling of the primary cell. The wireless device may receive a command indicating activation of the secondary cell. The secondary cell may be activated in response to receiving the command. The wireless device may monitor one or more second search spaces of the secondary cell for receiving downlink control information associated with scheduling of the primary cell.