US 12,231,221 B1
Method and apparatus for UL synchronization handling for satellite switch in a wireless communication system
Yi-Hsuan Huang, Taipei (TW); and Meng-Hui Ou, Taipei (TW)
Assigned to ASUS Technology Licensing Inc., Taipei (TW)
Filed by ASUS Technology Licensing Inc., Taipei (TW)
Filed on Sep. 10, 2024, as Appl. No. 18/830,376.
Claims priority of provisional application 63/545,290, filed on Oct. 23, 2023.
Claims priority of provisional application 63/537,728, filed on Sep. 11, 2023.
Claims priority of provisional application 63/537,759, filed on Sep. 11, 2023.
Int. Cl. H04W 56/00 (2009.01); H04B 7/185 (2006.01)
CPC H04B 7/18541 (2013.01) [H04W 56/0045 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of a User Equipment (UE), comprising:
receiving, from an upper layer, an indication of an uplink synchronization loss; and
in response to receiving the indication of the uplink synchronization loss:
not performing uplink transmission on a serving cell; and
determining whether to flush one or more Hybrid Automatic Repeat Request (HARQ) buffers based on whether the uplink synchronization loss is due to a satellite switch.