Triggering power saving modes with scheduling downlink control information

    公开(公告)号:US11729718B2

    公开(公告)日:2023-08-15

    申请号:US17034718

    申请日:2020-09-28

    Abstract: Feedback reports (e.g., hybrid automatic repeat request (HARQ)-acknowledgment (ACK) codebooks) may provide feedback for both downlink data messages (e.g., physical downlink shared channel (PDSCH) messages) and control messages (e.g., physical downlink control channel (PDCCH) messages). As such, a base station may transmit an indication of a power savings mode in a control message (e.g., in scheduling downlink control information (DCI)), and the base station may be able to confirm whether a user equipment (UE) received (e.g., and implemented) the power savings mode via the feedback corresponding to the control message carrying the indication of the power savings mode. The techniques described herein may provide for improved synchronization of base station and UE power savings modes (e.g., as a base station may or may not implement a new power saving mode depending on whether the control message indicating the new power saving mode was successfully received and acknowledged).

    Downlink control information for dormancy indication and one-shot hybrid automatic repeat request feedback

    公开(公告)号:US11611411B2

    公开(公告)日:2023-03-21

    申请号:US16949485

    申请日:2020-10-30

    Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. A user equipment (UE) may receive, via a control channel in a primary cell, one or more downlink control information (DCI) messages that include a secondary cell (SCell) dormancy indication and a request for hybrid automatic repeat request (HARQ) feedback. The DCI messages may have a format associated with downlink scheduling, and fields used to carry the SCell dormancy indication and the request for HARQ feedback may have a configuration that depends on whether the DCI messages are used to schedule a downlink data transmission. Furthermore, in some aspects, a DCI message may include a field that has a value to indicate whether the DCI message does or does not schedule a downlink data transmission, to enable the UE to correctly receive and decode the SCell dormancy indication and the request for HARQ feedback.

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