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

Claim 0:
1. A wireless transmit/receive unit (WTRU) comprising:
a processor configured to:
receive a synchronization signal (SS)/physical broadcast channel (PBCH) block transmission;
determine an SS/PBCH block index based on information associated with the SS/PBCH block transmission;
determine a physical random access channel (PRACH) resource based on the determined SS/PBCH block index;
transmit a first message, the first message comprising a 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 transmitted using the determined PRACH resource; and
receive a second message in response to the first message, the second message comprising a contention resolution.