Search Space Configuration for PDCCH Capacity and Power Optimization

A scheduling node assigns search space configurations to wireless devices to facilitate power-efficient operation of the wireless devices and the scheduling node. In an example method, a scheduling node configures (810) each of a plurality of wireless devices with two or more respective search space configurations for monitoring for scheduling messages, the two or more respective search space configurations for each wireless device differing with respect to at least one of sparsity in time of scheduling occasions, time offset of scheduling occasions, and duration of scheduling occasions. This configuring comprises assigning (815) search space configurations to the plurality of wireless devices such that a first subset of the assigned search space configurations have a first time offset and a second subset of the assigned search space configurations have a second time offset.