PDCCH search spaces

38.213 §10.1 UE procedure for determining PDCCH assignment
Search space Type Scrambling Use
Type0 Common SI-RNTI Broadcast of System Information
Type0A Common SI-RNTI Broadcast of System Information
Type1 Common RA-RNTI, TC-RNTI, C-RNTI Random Access Response
Type2 Common P-RNTI Paging
System Information change notification
Type3 Common INT-RNTI, SFI-RNTI, TPC-RNTI Group signaling
UE-specific UE specific C-RNTI, CS-RNTI UE signaling

Type0-PDCCH common search space 38.213 §13

A CORESET consists of NRBCORESET resource blocks and NsymbCORESET symbols
L is the REG bundle size. For a CORESET configured by PBCH, L = 6