	US 12,279,218 B2
	Extending a time gap range for non-terrestrial networks
Chunhai Yao, Beijing (CN); Chunxuan Ye, Beijing (CA); Dawei Zhang, Cupertino, CA (US); Haijing Hu, Cupertino, CA (US); Haitong Sun, Cupertino, CA (US); Hong He, Cupertino, CA (US); Oghenekome Oteri, Cupertino, CA (US); Sarma V. Vangala, Cupertino, CA (US); Sigen Ye, Cupertino, CA (US); Wei Zeng, Cupertino, CA (US); Weidong Yang, Cupertino, CA (US); and Yushu Zhang, Cupertino, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/598,239
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Aug. 7, 2020, PCT No. PCT/CN2020/107964 § 371(c)(1), (2) Date Feb. 10, 2022, PCT Pub. No. WO2022/027654, PCT Pub. Date Feb. 10, 2022.
Prior Publication US 2023/0156646 A1, May 18, 2023
Int. Cl. H04W 56/00 (2009.01); H04B 7/185 (2006.01); H04W 72/0446 (2023.01); H04W 72/1268 (2023.01); H04W 74/0833 (2024.01)

CPC H04W 56/0045 (2013.01) [H04B 7/1851 (2013.01); H04W 72/0446 (2013.01); H04W 72/1268 (2013.01); H04W 74/0833 (2013.01)]

19 Claims

1. A base station comprising a processor configured to perform the operations comprising:

determining a timing advance based on at least a random access preamble reception;

determining an uplink offset based on the timing advance, wherein the uplink offset is set equal to a sum of a service link time advance and a feeder link time advance, divided by a slot duration;

determining a candidate slot for an uplink reception based on at least the offset;

determining if the candidate slot is available for the uplink reception;

using the candidate slot for the uplink reception when the candidate uplink slot is available; and

using the next available slot for the uplink reception when the candidate uplink slot is not available.