Patent ID: 11871384
Assignee: INTERDIGITAL PATENT HOLDINGS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A base station comprising a processor configured to:
transmit a synchronization signal (SS)/physical broadcast channel (PBCH) block transmission;
receive a first message, the first message comprising a physical random access channel (PRACH) preamble and a grant-less physical uplink shared channel (PUSCH), wherein the PRACH preamble is associated with a 2-step random access procedure and the PRACH preamble is received using a PRACH resource, wherein:
the SS/PBCH block transmission is associated with a SS/PBCH block index, and
the SS/PBCH block index is associated with the PRACH resource; and

transmit a second message in response to the first message, the second message comprising an indication of contention resolution.