US 12,137,429 B2
Method and apparatus for maintaining uplink synchronization and reducing battery power consumption
Jin Wang, Princeton, NJ (US); John S. Chen, Ann Arbor Township, MI (US); Mohammed Sammour, Alrabieh-Amman (JO); Stephen E. Terry, Northport, NY (US); Arty Chandra, Roslyn, NY (US); and Guodong Zhang, Woodbury, NY (US)
Assigned to InterDigital Technology Corporation, Wilmington, DE (US)
Filed by InterDigital Technology Corporation, Wilmington, DE (US)
Filed on Nov. 29, 2023, as Appl. No. 18/523,105.
Application 18/523,105 is a continuation of application No. 17/991,220, filed on Nov. 21, 2022, granted, now 11,871,371.
Application 17/991,220 is a continuation of application No. 16/935,035, filed on Jul. 21, 2020, granted, now 11,711,777, issued on Jul. 25, 2023.
Application 16/935,035 is a continuation of application No. 16/530,178, filed on Aug. 2, 2019, granted, now 10,764,857, issued on Sep. 1, 2020.
Application 16/530,178 is a continuation of application No. 15/846,131, filed on Dec. 18, 2017, granted, now 10,433,271, issued on Oct. 1, 2019.
Application 15/846,131 is a continuation of application No. 14/848,507, filed on Sep. 9, 2015, granted, now 9,900,857, issued on Feb. 20, 2018.
Application 14/848,507 is a continuation of application No. 11/689,771, filed on Mar. 22, 2007, granted, now 9,167,546, issued on Oct. 20, 2015.
Claims priority of provisional application 60/785,491, filed on Mar. 24, 2006.
Prior Publication US 2024/0098670 A1, Mar. 21, 2024
Int. Cl. H04W 56/00 (2009.01); H04J 11/00 (2006.01); H04W 52/02 (2009.01); H04W 72/21 (2023.01); H04W 92/10 (2009.01)
CPC H04W 56/0045 (2013.01) [H04J 11/0069 (2013.01); H04W 52/0216 (2013.01); H04W 72/21 (2023.01); H04W 92/10 (2013.01); Y02D 30/70 (2020.08)] 20 Claims
OG exemplary drawing
 
1. A method implemented by a wireless/transmit receive unit (WTRU), the method comprising:
transmitting assistance information to a base station, the assistance information comprising information for setting a discontinuous reception (DRX) interval for the WTRU;
receiving configuration information for a DRX cycle, the configuration information indicating a DRX interval to be applied by the WTRU;
performing DRX in accordance with the DRX interval indicated by the received configuration information; and
increasing the DRX interval and performing DRX in accordance with the increased DRX interval, wherein the DRX interval is increased based on WTRU inactivity.