US 12,075,356 B2
Control channel signaling for user equipment (UE) power saving
Toufiqul Islam, Cupertino, CA (US); Hong He, Cupertino, CA (US); Qiaoyang Ye, Cupertino, CA (US); Honglei Miao, Cupertino, CA (US); and Dae Won Lee, Cupertino, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/442,327
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed May 1, 2020, PCT No. PCT/US2020/031080
§ 371(c)(1), (2) Date Sep. 23, 2021,
PCT Pub. No. WO2020/223654, PCT Pub. Date Nov. 5, 2020.
Claims priority of provisional application 62/841,766, filed on May 1, 2019.
Prior Publication US 2022/0159574 A1, May 19, 2022
Int. Cl. H04W 52/02 (2009.01); H04W 76/28 (2018.01)
CPC H04W 52/0229 (2013.01) [H04W 52/0216 (2013.01); H04W 52/0219 (2013.01); H04W 76/28 (2018.02)] 14 Claims
OG exemplary drawing
 
6. An apparatus comprising:
one or more processors;
circuitry to communicate between a user equipment (UE) and a base station;
a memory storing instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising:
receiving, via the circuitry, a configuration message that indicates a wake-up configuration associated with a configured discontinuous reception (DRX) operation between the UE and the base station,
wherein the configuration message is received via radio resource control (RRC) signaling,
wherein the configuration message comprises an offset parameter that specifies an offset relative to a start of a following on duration time associated with the configured DRX operation,
wherein the configuration message includes a payload size for a downlink control information (DCI) message containing a wake-up signal, and
wherein a DRX configuration provides information on one or more search space sets in which to monitor for the DCI message;
determining, based at least on the wake-up configuration, for wake-up signal monitoring, a bandwidth part (BWP) to monitor and a time period to monitor, wherein the time period occurs during a period configured to be an off-time based at least on the configured DRX operation;
monitoring, via the circuitry, for a wake-up signal within the BWP and the time period, wherein the wake-up signal indicates whether the UE is to be on or off for a next on-time of the configured DRX operation, and wherein monitoring for the wake-up signal comprises:
receiving, via a physical downlink control channel (PDCCH), the DCI message, and
detecting the wake-up signal within the DCI message; and
determining, based at least on the monitoring, whether to be on for the next on-time.