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    RANDOM ACCESS SEQUENCE GENERATION METHOD, DEVICE, AND SYSTEM
    41.
    发明申请
    RANDOM ACCESS SEQUENCE GENERATION METHOD, DEVICE, AND SYSTEM 审中-公开

    公开(公告)号：US20180242370A1

    公开(公告)日：2018-08-23

    申请号：US15928496

    申请日：2018-03-22

    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

    Inventor： Yue Zhao ,  Zhiheng Guo ,  Qiang Wu

    IPC: H04W74/08

    CPC classification number: H04W74/0833 ,  H04L5/0021 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2655 ,  H04L27/2688 ,  H04L27/2692 ,  H04W74/006

    Abstract: Embodiments of the present application provide a random access sequence generation method, and an apparatus. The method includes: generating, by a base station, notification signaling, where the notification signaling includes indication information, the indication information is used to instruct user equipment UE to select a shift sequence number from a range of 0 to ( n shift RA  n group RA + n _ shift RA + n = shift RA + n ≡ shift RA - 1 ) , the shift sequence number is an integer, nshiftRA is a quantity of UE candidate sequence shifts in a group, ngroupRA is a quantity of groups, nshiftRA is a quantity of UE candidate sequence shifts in the last length that is insufficient for a group, nshiftRA is a quantity of UE candidate sequence shifts in first remaining sequence shifts, and is a quantity of UE candidate sequence shifts in second remaining sequence shifts; and sending, by the base station, the notification signaling to the UE, so that the UE generates a random access sequence according to the indication information.

    Data Transmission Method and Apparatus
    42.
    发明申请
    Data Transmission Method and Apparatus 审中-公开

    公开(公告)号：US20180242356A1

    公开(公告)日：2018-08-23

    申请号：US15958148

    申请日：2018-04-20

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Qiang Wu ,  Hao Sun

    IPC: H04W74/08

    CPC classification number: H04W74/08 ,  H04L1/1607 ,  H04L1/1893 ,  H04L1/1896

    Abstract: Embodiments provide a data transmission method and an apparatus. The method includes: determining, by a terminal device from the initial transmission resource block set by means of contention, an initial transmission resource block used by the terminal device to initially transmit to-be-transmitted data, and initially transmitting the to-be-transmitted data by using the initial transmission resource block; receiving, by the terminal device, a negative acknowledgement that is sent by the network device and that is for the to-be-transmitted data; determining, by the terminal device from the retransmission resource block set, a retransmission resource block used to retransmit the to-be-transmitted data; and retransmitting, by the terminal device, the to-be-transmitted data by using the retransmission resource block.

    Data Transmission Method and Device
    44.
    发明申请
    Data Transmission Method and Device 审中-公开

    公开(公告)号：US20170325227A1

    公开(公告)日：2017-11-09

    申请号：US15659279

    申请日：2017-07-25

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Qiang Li ,  Qiang Wu ,  Bingyu Qu ,  Yongxing Zhou

    IPC: H04W72/04

    Abstract: The method includes determining a type of a first subframe, where the type of the first subframe is a first-type subframe, a second-type subframe, a third-type subframe, or a fourth-type subframe, where the second-type subframe includes an uplink control channel and a downlink channel, the uplink control channel is located after the downlink channel, and there is a guard period between the uplink control channel and the downlink channel. The fourth-type subframe includes an uplink channel and a downlink control channel, the uplink channel is located after the downlink control channel, and there is a guard period between the uplink channel and the downlink control channel. The method also includes transmitting data in the first subframe according to the type of the first subframe.

    Methods for transmitting and receiving control channel, base station, and user equipment
    47.
    发明授权
    Methods for transmitting and receiving control channel, base station, and user equipment 有权

    公开(公告)号：US09706542B2

    公开(公告)日：2017-07-11

    申请号：US15211686

    申请日：2016-07-15

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Kunpeng Liu ,  Chaojun Li ,  Qiang Wu

    IPC: H04W72/04 ,  H04L5/00

    CPC classification number: H04W72/042 ,  H04L5/0048 ,  H04L5/0053 ,  H04W72/0453

    Abstract: Embodiments of the present invention provide methods for transmitting and receiving a control channel, a base station, and a user equipment, which relate to the communication field, and can solve a transmission problem of available changing transmission resources caused by introduction of an E-PDCCH. A method for configuring a control channel resource includes: determining, by a base station according to a system configuration and/or user configuration, resource elements REs included in an extended control channel element E-CCE, and transmitting an extended physical downlink control channel E-PDCCH to a user equipment, where the E-PDCCH is carried by the E-CCE; and receiving, by the user equipment, the E-PDCCH, and obtaining the REs included in the E-CCE, and receiving, over the REs included in the E-CCE, the E-PDCCH transmitted by the base station. The embodiments of the present invention are used for configuring and detecting a control channel resource.

    Precoding matrix indicator feedback method, receive end, and transmit end
    49.
    发明授权
    Precoding matrix indicator feedback method, receive end, and transmit end 有权
    预编码矩阵指示器反馈方法，接收端和发送端

    公开(公告)号：US09577724B2

    公开(公告)日：2017-02-21

    申请号：US15090446

    申请日：2016-04-04

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Leiming Zhang ,  Qiang Wu ,  Jianghua Liu

    IPC: H04B7/04 ,  H04B7/06 ,  H04L25/03 ,  H04B1/04

    CPC classification number: H04B7/0417 ,  H04B1/0475 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0478 ,  H04B7/0486 ,  H04B7/0639 ,  H04L25/03006

    Abstract: The present invention provides a precoding matrix indicator feedback method, a receive end, and a transmit end. The method includes: selecting, by a receive end based on a reference signal, a precoding matrix W from a codebook, where a coefficient α is used to perform phase adjustment on φn in W, φn represents a phase difference between weighted values of a first antenna group and a second antenna group of a transmit end for a transmission signal from a same transmission layer, φ n ∈ { ⅇ j2π ⁢ ⁢ n Q } , and the first antenna group and the second antenna group belong to a same multi-antenna system; and sending, by the receive end, a precoding matrix indicator (PMI) to the transmit end. In this way, using the coefficient α to perform the phase adjustment on φn can increase a size of a codebook set applicable to different antenna configurations, and improve precision of the receive end to feed back a PMI.

    Abstract translation: 本发明提供预编码矩阵指示符反馈方法，接收端和发送端。 该方法包括：基于参考信号的接收端选择来自码本的预编码矩阵W，其中使用系数±来对W中的n进行相位调整，Õn表示加权的 对于来自同一传输层的传输信号的发射端的第一天线组和第二天线组的值，n是非负整数，Q是 正整数，第一天线组和第二天线组属于相同的多天线系统; 并且由接收端将发送端的预编码矩阵指示符PMI发送到发送端，使得发送端根据PMI确定W。 以这种方式，使用系数±来执行相位调整可以增加适用于不同天线配置的码本集的大小，并且提高接收端的反馈PMI的精度。

    Method, codebook and base station for precoding
    50.
    发明授权
    Method, codebook and base station for precoding 有权
    方法，码本和预编码基站

    公开(公告)号：US09571310B2

    公开(公告)日：2017-02-14

    申请号：US14541547

    申请日：2014-11-14

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Yongxing Zhou ,  Qiang Wu

    IPC: H04L25/03 ,  H04B7/04 ,  H04B17/318 ,  H04W72/04

    CPC classification number: H04L25/03929 ,  H04B7/043 ,  H04B7/0465 ,  H04B17/318 ,  H04W72/042 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/444

    Abstract: A method, a codebook, and a Base Station (BS) for precoding are provided. The precoding method includes: obtaining a total uplink power of a User Equipment (UE); if the total uplink power is greater than ¾ of a rated total transmit power of antennas, selecting a codeword from a first codebook with imbalanced power between layers; otherwise, selecting a codeword from the first codebook and a second codebook with balanced power between layers, so as for precoding data to be transmitted according to the selected codeword.

    Abstract translation: 提供了一种用于预编码的方法，码本和基站（BS）。 预编码方法包括：获得用户设备（UE）的总上行链路功率; 如果总上行链路功率大于天线的额定总发射功率的3/4，则选择来自第一码本的码字，其中层之间具有不平衡的功率; 否则，从第一码本中选择码字和在层之间具有平衡功率的第二码本，以便根据所选择的码字对要发送的数据进行预编码。

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