US 12,335,021 B2
Timing synchronization for non-terrestrial network communications
Bharat Shrestha, San Diego, CA (US); Xiao Feng Wang, San Diego, CA (US); Harikumar Krishnamurthy, San Diego, CA (US); Liangping Ma, San Diego, CA (US); Changhwan Park, San Diego, CA (US); Umesh Phuyal, San Diego, CA (US); Ayan Sengupta, San Diego, CA (US); and Alberto Rico Alvarino, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Aug. 9, 2022, as Appl. No. 17/884,458.
Prior Publication US 2024/0056170 A1, Feb. 15, 2024
Int. Cl. H04B 7/00 (2006.01); H04B 7/185 (2006.01); H04W 56/00 (2009.01)
CPC H04B 7/18513 (2013.01) [H04W 56/0005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for wireless communication at a user equipment (UE) in communication with a first non-terrestrial network cell, comprising:
receiving a message indicating cell synchronization information for a second non-terrestrial network cell, the cell synchronization information indicating that a first uplink time synchronization reference point of the first non-terrestrial network cell and a second uplink time synchronization reference point of the second non-terrestrial network cell are synchronized;
calculating a timing associated with signaling from the second non-terrestrial network cell based at least in part on the first uplink time synchronization reference point being synchronized with the second uplink time synchronization reference point; and
receiving one or more signals from the second non-terrestrial network cell based at least in part on the calculated timing.