US 12,463,774 B2
Methods, access network node and terminal device for random access procedure
Zhipeng Lin, Nanjing Jiangsu (CN)
Assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Appl. No. 17/912,408
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Mar. 11, 2021, PCT No. PCT/CN2021/080223
§ 371(c)(1), (2) Date Sep. 16, 2022,
PCT Pub. No. WO2021/185146, PCT Pub. Date Sep. 23, 2021.
Claims priority of application No. PCT/CN2020/080434 (WO), filed on Mar. 20, 2020.
Prior Publication US 2023/0209605 A1, Jun. 29, 2023
Int. Cl. H04W 74/0833 (2024.01); H04L 5/00 (2006.01); H04W 74/04 (2009.01); H04W 74/0836 (2024.01); H04W 74/0838 (2024.01)
CPC H04L 5/0051 (2013.01) [H04W 74/04 (2013.01); H04W 74/0836 (2024.01); H04W 74/0833 (2013.01); H04W 74/0838 (2024.01)] 16 Claims
OG exemplary drawing
 
2. A method performed by a terminal device comprising:
receiving, from an access network node, a signaling message which configures a set of physical random access channel (PRACH) occasions (ROs) associated with channel state information reference signal (CSI-RS) for two-step random access procedure; and
transmitting a request message for the two-step random access procedure, based on the set of ROs associated with CSI-RS, wherein
the set of ROs associated with CSI-RS for two-step random access procedure is from a set of common ROs configured for two-step random access procedure,
the set of common ROs configured for two-step random access procedure is shared with four-step random access procedure, and
the set of ROs associated with CSI-RS for two-step random access procedure is from a set of common ROs configured for four-step random access procedure.