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Channel measurement techniques in discontinuous reception scenarios

專利號(hào)
US11503489B2
公開日期
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
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

FIG. 11 shows a flowchart illustrating a method 1100 that supports channel measurement techniques in discontinuous reception scenarios in accordance with aspects of the present disclosure. The operations of method 1100 may be implemented by a UE 115 or its components as described herein. For example, the operations of method 1100 may be performed by a communications manager as described with reference to FIGS. 7 through 10. In some examples, a UE may execute a set of instructions to control the functional elements of the UE to perform the functions described below. Additionally or alternatively, a UE may perform aspects of the functions described below using special-purpose hardware.

At 1105, the UE may receive a discontinuous reception cycle configuration from a base station that indicates a set of discontinuous reception cycles within a discontinuous reception period that each have an ON-duration during which the UE is to be in an active mode to monitor for transmissions from the base station, and where the UE transitions to an inactive mode after one or more of the ON-durations until a subsequent ON-duration. The operations of 1105 may be performed according to the methods described herein. In some examples, aspects of the operations of 1105 may be performed by a DRX manager as described with reference to FIGS. 7 through 10.

權(quán)利要求

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