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Channel measurement techniques in discontinuous reception scenarios

專(zhuān)利號(hào)
US11503489B2
公開(kāi)日期
2022-11-15
申請(qǐng)人
QUALCOMM Incorporated（US CA San Diego）
發(fā)明人
Pranay Sudeep Rungta; Shailesh Maheshwari; Sanjana Vijaykumar Kalyanappagol; Ankit Verma
IPC分類(lèi)
H04W76/28; H04W24/10; H04B17/318; H04B7/06; H04W72/04; H04L5/00; H04B17/336
技術(shù)領(lǐng)域
ue,drx,channel,csi,may,in,be,reception,or,mode
地域： CA CA San Diego

摘要

Methods, systems, and devices for wireless communications are described for configuring a user equipment (UE) for reference signal measurement while operating according to a discontinuous reception (DRX) configuration. The DRX configuration may include periodic DRX ON-durations, during which the UE is to be in an active mode for reception and transmission of signals, and between which the UE may transition to a low-power inactive mode. One or more reference signals may be scheduled for transmission by the base station during periods in which the UE may be in the inactive mode, and the UE may skip monitoring one or more of the reference signals while in the inactive mode. For one or more reference signal occasions, the UE may determine, based at least in part on a change in a channel quality metric, to be in a limited active mode in order to measure the reference signal.

說(shuō)明書(shū)

In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, the setting the UE to be in the limited active mode further may include operations, features, means, or instructions for transitioning channel measurement components and PDCCH decoding components of the UE to an inactive state following an ON-duration of the discontinuous reception cycle that may be prior to the first channel measurement, transitioning the channel measurement components to an ON state based on the channel measurement schedule associated with the first channel measurement, performing the first channel measurement, and deactivating, responsive to performing the first channel measurement, the channel measurement components. In some examples of the method, apparatuses, and non-transitory computer-readable medium described herein, the channel measurement components may be transitioned to the ON state after expiration of the ON-duration based on the scheduled CSI measurement being between a predetermined time from the expiration of the ON-duration and from a start of a subsequent ON-duration.

權(quán)利要求

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