A wireless device transmits a plurality of random access preambles (RAPs) via a plurality of random access channel (RACH) resources in response to initiating a random access procedure on a cell. A plurality of random access radio network temporary identifiers (RA-RNTIs) are determined based on the plurality of RACH resources. A physical downlink control channel (PDCCH) may be monitored for at least one random access response (RAR) corresponding to at least one of the plurality of the RAPs. The monitoring may be based, at least in part, on the plurality of RA-RNTIs and performed within a first duration. A first RAR of the at least one RAR corresponding to at least one of the plurality of RAPs may be received. The first RAR may comprise an uplink grant. The uplink grant may comprise transmission parameters for one or more transport blocks (TBs). The one or more TBs may be transmitted.