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    METHODS AND APPARATUS TO REDUCE PACKET LATENCY IN MULTI-LEG TRANSMISSION
    3.
    发明申请
    METHODS AND APPARATUS TO REDUCE PACKET LATENCY IN MULTI-LEG TRANSMISSION 有权

    公开(公告)号：US20220201786A1

    公开(公告)日：2022-06-23

    申请号：US17542407

    申请日：2021-12-04

    Applicant: MEDIATEK INC.

    Inventor： Chun-Fan Tsai ,  Pradeep Jose ,  Chi-Hsuan Hsieh ,  Cheng-Hsun Li ,  Wei-De Wu

    IPC: H04W76/16 ,  H04W76/20 ,  H04L1/16

    Abstract: A method of providing UE-initiated PDCP status report to reduce packet latency under Multi-RAT Dual Connectivity (MR-DC) is proposed. UE initializes PDCP status report based on some predefined condition configured by the network. The PDCP status report indicates which PDCP SDU is still not received by the UE via one radio link control (RLC) entity, and the network can retransmit the missing PDCP SDU via another RLC entity quickly. The network can enable/disable the PDCP status report via PDCP control PDU or via radio resource control (RRC) signaling. The PDCP status can be used for re-transmission of PDCP SDU on another RLC entity. The PDCP status can also be used as an indication of issues on one RLC entity, resulting in duplication being activated thereafter. The PDCP status report should be sent to the RLC entity that does not suffer from the PDCP packet loss.

    Cross-Slot Scheduling For Power Saving in Mobile Communications
    4.
    发明申请
    Cross-Slot Scheduling For Power Saving in Mobile Communications 审中-公开

    公开(公告)号：US20200267643A1

    公开(公告)日：2020-08-20

    申请号：US16790690

    申请日：2020-02-13

    Applicant: MediaTek Inc.

    Inventor： Wei-De Wu ,  Cheng-Hsun Li

    IPC: H04W52/02 ,  H04W72/04 ,  H04L5/00

    Abstract: Various solutions with respect to cross-slot scheduling for power saving in mobile communications are described. An apparatus receives, from a wireless network, a control signaling. According to the control signaling, the apparatus changes an aspect of a power profile of at least one bandwidth part (BWP) of a plurality of BWPs without causing data interruption regarding data transmission or reception by the apparatus. The apparatus also receives, from the wireless network, an indication. According to the indication, the apparatus adapts a new minimum applicable value of at least one of a downlink scheduling offset (K0), an uplink scheduling offset (K2), and an aperiodic channel state information reference signal (CSI-RS) triggering offset for an active DL BWP or an active UL BWP of the plurality of BWPs.

    Method for performing 2-stage downlink control information based cross-carrier scheduling in carrier aggregation
    6.
    发明授权
    Method for performing 2-stage downlink control information based cross-carrier scheduling in carrier aggregation 有权

    公开(公告)号：US11785611B2

    公开(公告)日：2023-10-10

    申请号：US17351398

    申请日：2021-06-18

    Applicant: MEDIATEK INC.

    Inventor： Pei-Kai Liao ,  Cheng-Hsun Li

    IPC: H04J3/00 ,  H04W72/23 ,  H04W72/0446

    CPC classification number: H04W72/23 ,  H04W72/0446

    Abstract: A method includes receiving a higher-layer signal from a base station, wherein the higher-layer signal enables the use of 2-stage DCI based cross-carrier scheduling and provides mapping between a scheduling serving cell and one or more scheduled serving cells; receiving a first-stage DCI carried in a PDCCH in a slot in the scheduling serving cell, wherein the first-stage DCI provides the information related to the corresponding second-stage DCI; receiving a second-stage DCI corresponding to the first-stage DCI in a specific set of resource elements in the same slot in the same scheduling cell as the first-stage DCI-based on the information provided in the first-stage DCI, wherein the second-stage DCI provides scheduling information for the scheduled serving cells; and performing data reception or transmission over the scheduled serving cells based on the received 2-stage DCI.

    ADAPTATION FRAMEWORK FOR UE POWER SAVING
    7.
    发明申请
    ADAPTATION FRAMEWORK FOR UE POWER SAVING 有权

    公开(公告)号：US20220279373A1

    公开(公告)日：2022-09-01

    申请号：US17739047

    申请日：2022-05-06

    Applicant: MEDIATEK INC.

    Inventor： Chien-Hwa Hwang ,  Wei-De Wu ,  Yiju Liao ,  Cheng-Hsun Li ,  Chi-Hsuan Hsieh

    IPC: H04W28/02 ,  H04W52/02 ,  H04W36/00 ,  H04L5/00 ,  H04W72/04

    Abstract: A method of UE power profile adaptation to traffic and UE power consumption characteristics based on power profile is proposed. In one preferred embodiment, hybrid of bandwidth part (BWP) and power profile is proposed. UE is configured with multiple BWPs and each BWP includes a set of power profiles. Two types of adaptation triggering can be used, a first type of trigger is based on power saving signals sent from the network, and the second type of trigger is based on timers. When the traffic characteristic for UE changes, the network can send a power saving signal to UE to trigger power profile adaptation, e.g., BWP+power profile switching. When traffic has been digested and becomes sporadic, then power profile adaptation can be triggered based on timers, e.g., a timer for BWP adaptation and another timer for power profile adaptation.

    Triggering adaptation mechanisms for UE power-saving
    9.
    发明授权
    Triggering adaptation mechanisms for UE power-saving 有权

    公开(公告)号：US10856227B2

    公开(公告)日：2020-12-01

    申请号：US16583476

    申请日：2019-09-26

    Applicant: Mediatek Inc.

    Inventor： Yiju Liao ,  Wei-De Wu ,  Chien Hwa Hwang ,  Cheng-Hsun Li ,  Chi-Hsuan Hsieh ,  Xiu-Sheng Li

    IPC: H04W52/02 ,  H04W76/28

    Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE attempts to detect a trigger event. The UE determines values of a first set of power configuration parameters when the trigger event is detected, wherein a change in a value of each power configuration parameter in the first set of power configuration parameters affects power consumption of the first UE. The UE transmits or receives signals in accordance with the values of the first set of power configuration parameters.

    Method for performing 2-stage downlink control information based cross-carrier scheduling in carrier aggregation
    10.
    发明授权
    Method for performing 2-stage downlink control information based cross-carrier scheduling in carrier aggregation 有权

    公开(公告)号：US12127220B2

    公开(公告)日：2024-10-22

    申请号：US18461796

    申请日：2023-09-06

    Applicant: MEDIATEK INC.

    Inventor： Pei-Kai Liao ,  Cheng-Hsun Li

    IPC: H04J3/00 ,  H04W72/0446 ,  H04W72/23

    CPC classification number: H04W72/23 ,  H04W72/0446

    Abstract: A method includes receiving a higher-layer signal from a base station, wherein the higher-layer signal enables the use of 2-stage DCI based cross-carrier scheduling and provides mapping between a scheduling serving cell and one or more scheduled serving cells; receiving a first-stage DCI carried in a PDCCH in a designated time interval in the scheduling serving cell, wherein the first-stage DCI provides the information related to the corresponding second-stage DCI; receiving a second-stage DCI corresponding to the first-stage DCI in a specific set of resource elements in the same designated time interval in the same scheduling cell as the first-stage DCI-based on the information provided in the first-stage DCI, wherein the second-stage DCI provides scheduling information for the scheduled serving cells; and performing data reception or transmission over the scheduled serving cells based on the received 2-stage DCI.

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