The first DCI format may include one or more DCI formats where the first DCI size may be determined based on the largest DCI format from the one or more DCI formats.
The first DCI format may include one or more DCI formats where the first DCI size may be determined based on DCI format 1_0 (e.g., a fallback DCI format for a downlink scheduling).
The second DCI format may include one or more DCI formats where the second DCI size may be determined based on the largest DCI format from the one or more DCI formats.
The wireless device may receive one or more second radio resource control messages comprising a reference DCI format for the second DCI format in the configuration parameters of the first search space. The wireless device may determine a third DCI size of the second DCI format based on the reference DCI format if configured. The wireless device may monitor one candidate from the first candidates based on the third DCI size for the second DCI format.
The reference DCI format may comprise a DCI format 1_0, DCI format 1_1, a DCI format 0_1, or DCI format 2_0.