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    Method and apparatus for improving random access procedure in a wireless communication system
    143.
    发明授权
    Method and apparatus for improving random access procedure in a wireless communication system 有权

    公开(公告)号：US10433343B2

    公开(公告)日：2019-10-01

    申请号：US15663662

    申请日：2017-07-28

    Applicant: ASUSTek Computer Inc.

    Inventor： Wei-Yu Chen ,  Li-Chih Tseng

    IPC: H04W74/08 ,  H04W72/10 ,  H04W74/00

    Abstract: A method and apparatus are disclosed, from the perspective of the UE, for performing random access procedure. In one embodiment, the method includes the UE receives a first back-off information from the network in a broadcast message, wherein the first back-off information includes a start offset of back-off interval. The method further includes the UE transmits a first preamble to the network. In addition, the method includes the UE determines a back-off interval based on the first back-off information and a second back-off information, wherein the second back-off information is received when the UE monitors a response for the first preamble. The method also includes the UE transmits a second preamble to the network after the back-off interval is finished.

    Method and apparatus for handling DRX (discontinuous reception) operation in a wireless communication system
    144.
    发明授权
    Method and apparatus for handling DRX (discontinuous reception) operation in a wireless communication system 有权

    公开(公告)号：US10362626B2

    公开(公告)日：2019-07-23

    申请号：US15785914

    申请日：2017-10-17

    Applicant: ASUSTek Computer Inc.

    Inventor： Li-Chih Tseng

    IPC: H04W76/28 ,  H04L1/18 ,  H04W72/14 ,  H04W72/04 ,  H04W88/02

    Abstract: A method and apparatus are disclosed from the perspective of a UE. In one embodiment, the method includes monitoring a control channel for detection of an UL grant. The method further includes receiving the UL grant associated with a HARQ process on the control channel at a first timing. The method also includes sending an UL data associated with the UL grant on a data channel at a second timing. In additional, the method also includes starting a retransmission timer associated with the HARQ process after detection of the UL grant at a third timing. Furthermore, the method includes receiving a signaling indicating stop the retransmission timer at a fourth timing. In addition, the method includes stopping the retransmission timer and stopping monitoring the control channel, wherein the UE monitors the control channel when the retransmission timer is running.

    METHOD AND APPARATUS FOR LATENCY REDUCTION OF DEVICE-TO-DEVICE (D2D) MESSAGE IN A WIRELESS COMMUNICATION SYSTEM
    149.
    发明申请
    METHOD AND APPARATUS FOR LATENCY REDUCTION OF DEVICE-TO-DEVICE (D2D) MESSAGE IN A WIRELESS COMMUNICATION SYSTEM 审中-公开

    公开(公告)号：US20170230996A1

    公开(公告)日：2017-08-10

    申请号：US15423826

    申请日：2017-02-03

    Applicant: ASUSTeK Computer Inc.

    Inventor： Ming-Che Li ,  Li-Chih Tseng

    IPC: H04W72/12

    CPC classification number: H04W72/1284 ,  H04W72/1278 ,  H04W72/1294 ,  H04W88/02

    Abstract: A method and apparatus are disclosed for latency reduction of device-to-device message in a wireless communication system. In one embodiment, the method includes the UE receiving a grant on a first interface wherein the grant indicates resource for transmitting scheduling information and resources for data transmission on a second interface. The method also includes the UE transmitting a first scheduling information on the second interface in a first specific timing interval and transmits a second scheduling information on the second interface in a second specific timing interval, wherein the timing difference between the second specific timing and the first specific timing is indicated by the grant, and wherein the first scheduling information indicates a first timing offset between the first scheduling information transmission and the data transmission, and the second scheduling information indicates a second timing offset between the second scheduling information transmission and the data transmission, and the first timing offset is different from the second timing offset.

    METHOD AND APPARATUS FOR SIGNALLING TO DOWNLINK TRANSMISSION FOR UNLICENSED CHANNELS IN A WIRELESS COMMUNICATION SYSTEM
    150.
    发明申请
    METHOD AND APPARATUS FOR SIGNALLING TO DOWNLINK TRANSMISSION FOR UNLICENSED CHANNELS IN A WIRELESS COMMUNICATION SYSTEM 有权

    公开(公告)号：US20170142693A1

    公开(公告)日：2017-05-18

    申请号：US15347282

    申请日：2016-11-09

    Applicant: ASUSTeK Computer Inc.

    Inventor： Wei-Ming Yin ,  Li-Chih Tseng

    IPC: H04W72/04 ,  H04L1/18 ,  H04W16/14 ,  H04L5/00

    CPC classification number: H04W72/042 ,  H04L1/1893 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0091 ,  H04L5/0092 ,  H04W16/14

    Abstract: Methods and apparatuses for implementing reference signal transmissions in a wireless communication system. According to one method, the UE receives a downlink transmission burst from a base station in a first unlicensed channel. The UE also receives an information in a second channel, wherein the information defines whether a subframe is an end subframe of the downlink transmission burst in the first unlicensed channel. The UE determines whether or not to receive a control message, data, or a reference signal from a next frame in the first unlicensed channel. The UE receives the control message, data, or the reference signal from the next frame in the first unlicensed channel if the information indicates that the subframe is not the end subframe of the downlink transmission burst. Alternatively, the UE refuses to receive the control message, data, or the reference signal from the next frame in the first unlicensed channel if the information indicates that the subframe is the end subframe of the downlink transmission burst.

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