US Patent 11252750 Scheduling of a primary cell from a secondary cell

A wireless device receives configuration parameters of one or more first search spaces of a primary cell and one or more second search spaces of a secondary cell. The secondary cell may be a scheduling cell for the primary cell. The wireless device may receive scheduling information associated with scheduling of the primary cell. In response to the secondary cell being deactivated, receiving the scheduling information may comprise monitoring the one or more first search spaces. In response to the secondary cell being activated, receiving the scheduling information may comprise monitoring the one or more second search spaces. The wireless device may transmit or receive a transport block, via the primary cell, based on the scheduling information.