US 12,464,456 B2
Connected discontinuous reception for carrier aggregation
Fangli Xu, Beijing (CN); Yuchul Kim, San Jose, CA (US); Haitong Sun, Cupertino, CA (US); Wei Zeng, Saratoga, CA (US); Dawei Zhang, Saratoga, CA (US); and Haijing Hu, Los Gatos, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/765,542
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed Oct. 15, 2019, PCT No. PCT/CN2019/111223
§ 371(c)(1), (2) Date Mar. 31, 2022,
PCT Pub. No. WO2021/072628, PCT Pub. Date Apr. 22, 2021.
Prior Publication US 2022/0346008 A1, Oct. 27, 2022
Int. Cl. H04W 52/02 (2009.01); H04W 76/28 (2018.01)
CPC H04W 52/0216 (2013.01) [H04W 52/0235 (2013.01); H04W 76/28 (2018.02)] 20 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a processor configured to, when executing instructions stored in a memory, perform operations comprising:
providing, to a cellular base station, an indication that a wireless device supports multiple discontinuous reception (DRX) configurations for carrier aggregation; and
receiving, from the cellular base station, configuration information for carrier aggregation operation comprising:
a first DRX configuration for a first cell group served by the cellular base station and belonging to a first frequency range, the first DRX configuration comprising at least one first DRX parameter; and
a second DRX configuration for a second cell group served by the cellular base station and belonging to a second frequency range, the second DRX configuration comprising at least one second DRX parameter distinct from the at least one first DRX parameter;
receiving a medium access control-control element (MAC-CE) indicating for the wireless device to stop respective DRX inactivity timers for the respective first and second cell groups; and
stopping, based at least in part on the received configuration information and MAC-CE, the respective DRX inactivity timers for the respective first and second cell groups.