US 12,336,020 B2
Random access method and apparatus and communication system
Yang Lu, Beijing (CN); Jian Zhang, Beijing (CN); and Qinyan Jiang, Beijing (CN)
Assigned to FUJITSU LIMITED, Kawasaki (JP)
Filed by FUJITSU LIMITED, Kawasaki (JP)
Filed on Aug. 11, 2022, as Appl. No. 17/885,705.
Application 17/885,705 is a continuation of application No. PCT/CN2020/075125, filed on Feb. 13, 2020.
Prior Publication US 2022/0394781 A1, Dec. 8, 2022
Int. Cl. H04L 12/00 (2006.01); H04W 74/04 (2009.01); H04W 74/08 (2009.01); H04W 74/0833 (2024.01)
CPC H04W 74/0841 (2013.01) [H04W 74/04 (2013.01); H04W 74/0866 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An apparatus for configuring random access, applicable to a terminal equipment, the apparatus comprising a first processing unit, the first processing unit being configured to:
receive configuration of contention-free random access, the configuration of contention-free random access comprising configuration of 2-step contention-free random access (CFRA); and
perform a 2-step contention-free random access procedure according to the configuration of the 2-step CFRA using a dedicated preamble and physical uplink shared channel (PUSCH),
wherein the configuration of 2-step CFRA comprises configuration of the dedicated preamble index associated with a synchronization signal block (SSB) or channel state information reference signal (CSI-RS), configuration of at least one physical random access channel occasion (RO) of 2-step CFRA, and configuration of the PUSCH.