US 12,432,783 B2
Physical random access channel enhancements in new radio
Chunhai Yao, Beijing (CN); Chunxuan Ye, San Diego, CA (US); Dawei Zhang, Saratoga, CA (US); Hong He, Cupertino, CA (US); Huaning Niu, San Jose, CA (US); Seyed Ali Akbar Fakoorian, San Diego, CA (US); Sigen Ye, San Diego, CA (US); Wei Zeng, San Diego, CA (US); Weidong Yang, San Diego, CA (US); and Yushu Zhang, Beijing (CN)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/914,197
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Oct. 28, 2021, PCT No. PCT/CN2021/127036
§ 371(c)(1), (2) Date Sep. 23, 2022,
PCT Pub. No. WO2023/070436, PCT Pub. Date May 4, 2023.
Prior Publication US 2024/0015795 A1, Jan. 11, 2024
Int. Cl. H04W 74/0833 (2024.01); H04W 74/0836 (2024.01); H04W 74/0838 (2024.01)
CPC H04W 74/0833 (2013.01) [H04W 74/0836 (2024.01); H04W 74/0838 (2024.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
transmitting, to a base station (BS), a message comprising information regarding one or more physical random access channel (PRACH) repetition capabilities of a user equipment (UE);
receiving, from the BS, signaling comprising PRACH configuration information configuring one or more reference signal received power (RSRP) thresholds;
selecting, based at least in part on the one or more RSRP thresholds, one or more PRACH resources for one or more PRACH repetitions;
transmitting, using the one or more PRACH resources and as part of the one or more PRACH repetitions, one or more preambles to the BS in a random access (RACH) procedure;
receiving, from the BS, a random access response (RAR); and
establishing, in response to receiving the RAR, a connection with the BS.