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    VISIBLE LIGHT-BASED COMMUNICATION METHOD AND TRANSPORT DEVICE
    23.
    发明申请
    VISIBLE LIGHT-BASED COMMUNICATION METHOD AND TRANSPORT DEVICE 审中-公开
    可见光通信方法和传输设备

    公开(公告)号：US20170047995A1

    公开(公告)日：2017-02-16

    申请号：US15338127

    申请日：2016-10-28

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Rongdao Yu ,  Maosheng Huang

    IPC: H04B10/116 ,  H04B10/516

    CPC classification number: H04B10/116 ,  H04B10/40 ,  H04B10/50 ,  H04B10/516 ,  H04B10/60

    Abstract: The present invention discloses a communication method that is based on a visible light source and a transport device. In the solution, before a visible light signal is generated, related information carried in the visible light signal is processed by using orthogonal sequences, and different visible light signals processed by using the orthogonal sequences do not interfere with each other. In this way, even if an optical receiving device receives multiple visible light signals, because the received multiple visible light signals are orthogonal to each other, the visible light signals can be accurately received.

    Abstract translation: 本发明公开了一种基于可见光源和传送装置的通信方法。 在该解决方案中，在生成可见光信号之前，通过使用正交序列来处理携带在可见光信号中的相关信息，并且通过使用正交序列处理的不同可见光信号彼此不相互干扰。 以这种方式，即使光接收装置接收到多个可见光信号，由于接收到的多个可见光信号彼此正交，所以可以准确地接收可见光信号。

    Multiple-Antenna System and Mobile Terminal
    24.
    发明申请
    Multiple-Antenna System and Mobile Terminal 有权
    多天线系统和移动终端

    公开(公告)号：US20160141767A1

    公开(公告)日：2016-05-19

    申请号：US14979368

    申请日：2015-12-22

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Huiqing Zhai ,  Zhihui Ma ,  Zhenhua Li ,  Changhong Liang ,  Rongdao Yu ,  Sheng Liu

    IPC: H01Q21/30 ,  H01Q1/38 ,  H01Q9/04

    CPC classification number: H01Q21/30 ,  H01Q1/243 ,  H01Q1/38 ,  H01Q1/521 ,  H01Q5/364 ,  H01Q5/371 ,  H01Q9/04 ,  H01Q9/0421 ,  H01Q21/28

    Abstract: A multiple-antenna system includes a planar inverted-F antenna PIFA of a first type, which includes a metallic ground plane, a dielectric plate, a radiation patch, a probe-type feeding unit, and a metallic shorting pin. The system also includes a PIFA of a second type perpendicular to the PIFA of the first type and including a metallic ground plane, a radiation patch, a feeding unit, and a metallic shorted patch. The radiation patch is connected to the metallic ground plane by using the feeding unit and the metallic shorted patch. Isolation stub is located on an edge of a side, close to the PIFA of the second type, of the upper surface of the dielectric plate of the PIFA of the first type.

    Abstract translation: 多天线系统包括第一类型的平面倒F天线PIFA，其包括金属接地平面，电介质板，辐射贴片，探针型馈送单元和金属短路引脚。 该系统还包括垂直于第一类型的PIFA的第二类型的PIFA，并且包括金属接地平面，辐射贴片，馈送单元和金属短路贴片。 辐射贴片通过使用进给单元和金属短路贴片连接到金属接地平面。 隔离短截线位于第一类型的PIFA的电介质板的上表面的靠近第二类型的PIFA的边缘。

    Signal transmission method, system, and device
    25.
    发明授权
    Signal transmission method, system, and device 有权
    信号传输方式，系统和设备

    公开(公告)号：US09344169B2

    公开(公告)日：2016-05-17

    申请号：US14689402

    申请日：2015-04-17

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Sheng Liu ,  Rui Wang ,  Rongdao Yu

    IPC: H04B7/04 ,  H04B7/02 ,  H04B7/06 ,  H04L1/00

    CPC classification number: H04B7/0456 ,  H04B7/024 ,  H04B7/0404 ,  H04B7/0413 ,  H04B7/0452 ,  H04B7/0617 ,  H04L1/00

    Abstract: The present invention provides a signal transmission method, system, and device, where the method includes: setting K virtual users, where each virtual user is associated with one base station; obtaining base station precode and user precode corresponding to each of the K virtual users; splitting a baseband signal to the K virtual users, and obtaining a split baseband signal corresponding to each of the K virtual users; processing, according to the base station precode and the user precode corresponding to each virtual user, the split baseband signal corresponding to each virtual user, and obtaining an uplink signal corresponding to each virtual user; and obtaining timing advances {t1, t2, . . . , tK} of base stations corresponding to the K virtual users, and when max(t1, t2, . . . , tK)−min(t1, t2, . . . , tK)

    Abstract translation: 本发明提供了一种信号传输方法，系统和装置，其中所述方法包括：设置每个虚拟用户与一个基站相关联的K个虚拟用户; 获取与每个K个虚拟用户对应的基站预编码和用户密码; 将基带信号分解给所述K个虚拟用户，以及获得与所述K个虚拟用户中的每一个相对应的分离基带信号; 根据与每个虚拟用户相对应的基站预编码和用户预编码，对应于每个虚拟用户的分离基带信号，并获得与每个虚拟用户对应的上行链路信号; 并获得定时提前{t1，t2，...。 。 。 ，tK}，当max（t1，t2，...，tK）-min（t1，t2，...，tK）

    Wireless access method, device, and system
    26.
    发明授权
    Wireless access method, device, and system 有权
    无线接入方式，设备和系统

    公开(公告)号：US09264917B2

    公开(公告)日：2016-02-16

    申请号：US13713562

    申请日：2012-12-13

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Sheng Liu ,  Rongdao Yu ,  Tao Wu

    IPC: H04W4/00 ,  H04W24/02 ,  H04L1/00 ,  H04W72/12 ,  H04W36/18 ,  H04W52/40 ,  H04W24/10 ,  H04L5/00 ,  H04B7/02 ,  H04W48/20 ,  H04W74/00

    CPC classification number: H04W24/02 ,  H04B7/024 ,  H04L1/0025 ,  H04L5/0037 ,  H04L5/0046 ,  H04L5/0073 ,  H04W24/10 ,  H04W36/18 ,  H04W48/20 ,  H04W52/40 ,  H04W72/08 ,  H04W72/1226 ,  H04W74/002

    Abstract: Embodiments of the present invention disclose a wireless access method, device, and system. The method includes: sending pilot signal strength or channel characteristics to a central processing node, where the pilot signal strength or channel characteristics are fed back by a user terminal within the coverage area of a wireless access node and are between the wireless access node and the corresponding user terminal; receiving access indication information of the user terminal, which is fed back by the central processing node and is determined according to the pilot signal strength or channel characteristics, where the access indication information of the user terminal includes an identifier of the wireless access node connected with the user terminal and a corresponding coding and modulation scheme; and sending the identifier of the wireless access node connected with the user terminal and the corresponding coding and modulation scheme to the corresponding user terminal.

    Abstract translation: 本发明的实施例公开了一种无线接入方法，设备和系统。 该方法包括：向中央处理节点发送导频信号强度或信道特性，其中导频信号强度或信道特性由无线接入节点的覆盖区域内的用户终端反馈，并且在无线接入节点与 相应的用户终端; 接收由中央处理节点反馈并根据导频信号强度或信道特性确定的用户终端的接入指示信息，其中用户终端的接入指示信息包括与无线接入节点连接的标识符 用户终端和相应的编码和调制方案; 并将与用户终端连接的无线接入节点的标识符和相应的编码和调制方案发送给相应的用户终端。

    Receiving Method, Apparatus, and System in Cooperative Communications
    27.
    发明申请
    Receiving Method, Apparatus, and System in Cooperative Communications 审中-公开
    接收方式，仪器和系统的合作通信

    公开(公告)号：US20150172002A1

    公开(公告)日：2015-06-18

    申请号：US14561220

    申请日：2014-12-05

    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

    Inventor： Rongdao Yu ,  Sheng Liu

    IPC: H04L1/00

    CPC classification number: H04L1/0054 ,  H04L1/005 ,  H04L1/0066 ,  H04L1/0076 ,  H04L1/0077 ,  H04L2001/0097

    Abstract: The application provides a receiving method in cooperative communications. A signal-receiving node demodulates a first signal received from a local end to obtain a first log-likelihood ratio. The signal-receiving node further demodulates a second signal received from a relay node to obtain a second log-likelihood ratio. The second signal is a signal obtained by the relay node through network coding the first signal and a third signal received from a peer end. The signal-receiving node calculates a prior log-likelihood ratio according to the first log-likelihood ratio and the second log-likelihood ratio, and decodes the second signal by using the prior log-likelihood ratio to obtain the third signal.

    Abstract translation: 该应用程序提供了一种合作通信中的接收方法。 信号接收节点解调从本端接收到的第一信号以获得第一对数似然比。 信号接收节点进一步解调从中继节点接收的第二信号，以获得第二对数似然比。 第二信号是由中继节点通过对第一信号进行网络编码而获得的信号和从对端接收到的第三信号。 信号接收节点根据第一对数似然比和第二对数似然比计算先验对数似然比，并且通过使用先前的对数似然比对第二信号进行解码以获得第三信号。

    Satellite communication method and apparatus
    29.
    发明授权
    Satellite communication method and apparatus 有权

    公开(公告)号：US11902009B2

    公开(公告)日：2024-02-13

    申请号：US16997046

    申请日：2020-08-19

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Rongdao Yu ,  Jun Chen

    IPC: H04B7/185

    CPC classification number: H04B7/18513

    Abstract: This application provides encoding and decoding methods to reduce retransmission in satellite communication. A sending apparatus obtains an information transport block, where the information transport block includes a plurality of code blocks; and generates a redundant code block based on at least two of the plurality of code blocks. The at least two code blocks and the redundant code block are sent over a satellite channel after channel coding. A receiving apparatus receives the to-be-decoded information over the satellite channel, calculates, based on the to-be-decoded information of the at least two code blocks and the redundant code block, an a priori log-likelihood ratio of a to-be-decoded bit, and combines the a priori log-likelihood ratio and a log-likelihood ratio obtained after demodulation, to obtain a diversity gain. Decoding is performed based on the combined log-likelihood ratio. This method improves decoding accuracy and reduces the need for retransmission.

    Communication method based on orbital angular momentum and related apparatus
    30.
    发明授权
    Communication method based on orbital angular momentum and related apparatus 有权

    公开(公告)号：US11742914B2

    公开(公告)日：2023-08-29

    申请号：US17743638

    申请日：2022-05-13

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Rongdao Yu

    IPC: H04B7/06

    CPC classification number: H04B7/0617

    Abstract: This application provides a communication method based on orbital angular momentum (OAM) and a related apparatus. The method includes: determining OAM modes for at least two subframes of a radio frame, where at least one symbol is mapped to each subframe in the at least two subframes; and sending the at least two subframes, where there is an association relationship between the OAM modes corresponding to the subframes in the at least two subframes. Embodiments of this application are implemented to enhance an electromagnetic field, reduce signal fading, and improve a diversity effect.

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