US 12,289,610 B2
Network signaling for radio resource management enhancement in high speed train (HST) scenarios
Huaning Niu, San Jose, CA (US); Jie Cui, San Jose, CA (US); Dawei Zhang, Saratoga, CA (US); Yang Tang, San Jose, CA (US); Manasa Raghavan, Sunnyvale, CA (US); Qiming Li, Beijing (CN); Xiang Chen, Campbell, CA (US); Haitong Sun, Cupertino, CA (US); and Yushu Zhang, Beijing (CN)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/437,787
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Apr. 1, 2021, PCT No. PCT/CN2021/084859
§ 371(c)(1), (2) Date Sep. 9, 2021,
PCT Pub. No. WO2022/205283, PCT Pub. Date Oct. 6, 2022.
Prior Publication US 2023/0189012 A1, Jun. 15, 2023
Int. Cl. H04W 16/18 (2009.01); H04W 4/44 (2018.01); H04W 36/32 (2009.01); H04W 36/08 (2009.01)
CPC H04W 16/18 (2013.01) [H04W 4/44 (2018.02); H04W 36/324 (2023.05); H04W 36/085 (2023.05)] 18 Claims
OG exemplary drawing
 
1. A method for operating a user equipment (UE) device, the method comprising:
receiving beam number information from a cell of a network, wherein the UE is carried on a train, wherein the beam number information includes a parameter relating to a number of beams associated with the cell; and
calculating an adjustment of an uplink timing advance, based at least on deployment information provided by the cell, wherein the deployment information indicates whether transmissions between the UE and the cell are uni-directional or bi-directional.