Patent ID: 11968710
Assignee: OFINNO, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 19:
20. A system comprising:
a base station comprising:
one or more first processors; and
a first memory storing instructions that, when executed by the one or more first processors of the base station, cause the base station to:
transmit a downlink control information (DCI) comprising a field indicating a slot format indication (SFI) for a slot, wherein the SFI indicates:
at least one downlink symbol;
at least one flexible symbol;
at least one uplink symbol; and
at least one random access symbol; and

receive a preamble via radio resources of one or more random access channel (RACH) occasions (ROs) of the slot; and

a wireless device comprising:
one or more second processors; and
a second memory storing instructions that, when executed by the one or more second processors, cause the wireless device to:
receive the DCI;
determine the radio resources of the one or more ROs based on the at least one random access symbol; and
transmit the preamble via the radio resources of the one or more ROs.