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1. 发明授权

US10819555B2 Signal transmission method and apparatus 有权
公开(公告)号：US10819555B2
公开(公告)日：2020-10-27
申请号：US16252200
申请日：2019-01-18
申请人： Huawei Technologies Co., Ltd.
发明人： Tao Wu , Min Yan
IPC分类号： H04L27/26 , H04L27/36 , H04L27/18 , H04L27/34 , H04L5/00 , H04B7/0456
摘要： A signal transmission method includes: combining a plurality of low-order modulated signals into N modulated signals; and transmitting the N modulated signals on N subcarriers, where the N subcarriers are subcarriers on frequency domain resources of M channels, an nth modulated signal in the N modulated signals is transmitted on an nth subcarrier in the N subcarriers, N is an integer greater than or equal to 2, M is an integer greater than or equal to 2, and n=1, 2, . . . , N. The signal transmission method can improve efficiency of a diversity gain.

2. 发明授权

US10797408B1 Antenna structure and method for manufacturing the same 有权
公开(公告)号：US10797408B1
公开(公告)日：2020-10-06
申请号：US16388274
申请日：2019-04-18
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Halim Boutayeb , Fayez Hyjazie , Teyan Chen , Tao Wu , Matthew Milyavsky
IPC分类号： H01Q21/24 , H01Q1/48 , H04B7/10 , H01Q5/385 , H01Q21/28 , H01Q25/00 , H01Q3/24 , H01Q9/04
摘要： The disclosed structures and methods are directed to antenna systems configured to transmit and receive a wireless signal in and from different directions. An antenna structure comprises a pair of horizontal-polarization (HP) antenna units forming a first parallel-plate waveguide. One of the HP antenna units and a base unit form a second parallel-plate waveguide. The antenna further comprises a pair of vertical-polarization (VP) antenna units each located in one of the first and second parallel-plate waveguides. Each HP antenna unit comprises inverted F antennas (IFAs) configured to radiate a radio-frequency (RF) waves that are horizontally polarized. Each VP antenna unit comprises VP excitation elements configured to radiate the RF waves that are vertically polarized. A method for manufacturing of the antenna structure is also disclosed.

3. 发明授权

US10250370B2 Frame structure for a physical control channel 有权
公开(公告)号：US10250370B2
公开(公告)日：2019-04-02
申请号：US15061899
申请日：2016-03-04
申请人： Huawei Technologies Co., Ltd.
发明人： Min Yan , Yan Xin , Tao Wu , Sheng Sun
IPC分类号： H04L5/00 , H04L27/26 , H04L29/06 , H04L29/08 , H04W72/04
摘要： A method of operating a serving point includes communicating a frame between the serving point and at least one station (STA), the frame including at least a first preamble and a second preamble, the first preamble including at least a first short training field (STF) and a legacy STF, the second preamble including at least a second STF, the legacy STF being orthogonal to the first STF and the second STF.

4. 发明授权

US10171135B2 Precoding method, apparatus, and system 有权
公开(公告)号：US10171135B2
公开(公告)日：2019-01-01
申请号：US15444582
申请日：2017-02-28
申请人： Huawei Technologies Co., Ltd.
发明人： Tao Wu , Linjun Lv
IPC分类号： H04L1/06 , H04N19/164 , H04B7/06 , H04B7/024 , H04L1/18 , H04L1/00
摘要： The present disclosure relates to embodiments of a precoding method and systems for implementing those embodiments. The embodiments includes receiving, by a level 2 data center, level 1 channel information sent by at least two level 1 data centers, where the level 1 channel information includes a channel matrix between a terminal and the level 1 data center; performing, by the level 2 data center, calculation according to the channel matrix, to obtain a level 2 precoding matrix; and generating, by the level 2 data center, a level 2 signal according to a signal sent to the terminal and the level 2 precoding matrix, and sending the level 2 signal to the level 1 data center. The level 2 data center generates the level 2 signal according to the signal sent to the terminal and the level 2 precoding matrix.

5. 发明申请

US20170170880A1 Precoding Method, Apparatus, and System 审中-公开
公开(公告)号：US20170170880A1
公开(公告)日：2017-06-15
申请号：US15444582
申请日：2017-02-28
申请人： Huawei Technologies Co., Ltd.
发明人： Tao Wu , Linjun Lv
IPC分类号： H04B7/024 , H04B7/06
CPC分类号： H04B7/024 , H04B7/0626 , H04B7/0634 , H04L1/00 , H04L1/0693 , H04L1/1854 , H04N19/164
摘要： The present disclosure relates to embodiments of a precoding method and systems for implementing those embodiments. The embodiments includes receiving, by a level 2 data center, level 1 channel information sent by at least two level 1 data centers, where the level 1 channel information includes a channel matrix between a terminal and the level 1 data center; performing, by the level 2 data center, calculation according to the channel matrix, to obtain a level 2 precoding matrix; and generating, by the level 2 data center, a level 2 signal according to a signal sent to the terminal and the level 2 precoding matrix, and sending the level 2 signal to the level 1 data center. The level 2 data center generates the level 2 signal according to the signal sent to the terminal and the level 2 precoding matrix.

6. 发明授权

US09640874B2 Single radio frequency double-stream transmission apparatus, use method and antenna system 有权
公开(公告)号：US09640874B2
公开(公告)日：2017-05-02
申请号：US14744755
申请日：2015-06-19
申请人： Huawei Technologies Co., Ltd.
发明人： Weishan Lu , Tao Wu
IPC分类号： H01Q21/06 , H01Q3/44 , H01Q19/32 , H01Q5/314 , H01Q5/385 , H01Q21/20 , H04B7/04 , H04B7/0413
CPC分类号： H01Q21/06 , H01Q3/446 , H01Q5/314 , H01Q5/385 , H01Q19/32 , H01Q21/20 , H04B7/0413 , Y02D70/1262 , Y02D70/142 , Y02D70/444
摘要： Embodiments of the present disclosure provide a single radio frequency double-stream transmission apparatus, wherein the apparatus includes: a radio frequency link, a reactance control circuit, a parasitic reactor, an active antenna and an even number M of parasitic antennas, wherein M is larger than 2; the radio frequency link is configured to generate a radio frequency signal; the active antenna is connected with the radio frequency link, the parasitic antennas are respectively connected with the parasitic reactor, the distances from the parasitic antennas to the active antenna are the same, and the radian between adjacent parasitic antennas is 360 M ⁢ ⁢ degrees ; the parasitic reactor may be adjusted by the reactance control circuit to make the reactance values of any pair of parasitic antennas in mirror symmetry via the active antenna be different and the reactance values of the rest pairs of parasitic antennas in mirror symmetry via the active antenna be equal respectively.

7. 发明授权

US09281878B2 Array antenna, method and device for transmitting and receiving signal 有权
标题翻译：阵列天线，发送和接收信号的方法和装置
公开(公告)号：US09281878B2
公开(公告)日：2016-03-08
申请号：US14707618
申请日：2015-05-08
申请人： Huawei Technologies Co., Ltd.
发明人： Tao Wu , Weishan Lu
IPC分类号： H04B7/02 , H04B7/04 , H01Q21/00 , H01Q19/32 , H04B7/06
CPC分类号： H04B7/0413 , H01Q19/32 , H01Q21/00 , H04B7/0617 , H04B7/0632
摘要： The present application discloses an array antenna, a method and a device for transmitting and receiving a signal. The array antenna includes at least two active antennas, wherein each active antenna is surrounded by at least two different parasitic antennas, respective parasitic antennas are respectively coupled to controllable loads, and the controllable loads are respectively coupled to a control circuit. With the arrangement of at least two active antennas, when a channel is in a good state, channel capacity can be adjusted by adjusting the controllable loads coupled to the parasitic antennas; and when the channel is not in the good state, the bit error ratio can be reduced by both adjusting the controllable loads coupled to the parasitic antennas and adjusting transmitting directional diagrams of the active antennas according to an adjustment vector, meanwhile, miniaturization can also be realized.
摘要翻译：本申请公开了一种用于发送和接收信号的阵列天线，方法和装置。阵列天线包括至少两个有源天线，其中每个有源天线由至少两个不同的寄生天线包围，相应的寄生天线分别耦合到可控负载，并且可控负载分别耦合到控制电路。利用至少两个有源天线的布置，当信道处于良好状态时，可以通过调整耦合到寄生天线的可控负载来调整信道容量; 并且当通道不处于良好状态时，通过调整耦合到寄生天线的可控负载并根据调整向量调整有源天线的发送方向图，可以减小误比特率，同时小型化也可以实现了

8. 发明申请

US20150288076A1 SINGLE RADIO FREQUENCY DOUBLE-STREAM TRANSMISSION APPARATUS, USE METHOD AND ANTENNA SYSTEM 有权
标题翻译：单频无线电双向传输设备，使用方法和天线系统
公开(公告)号：US20150288076A1
公开(公告)日：2015-10-08
申请号：US14744755
申请日：2015-06-19
申请人： Huawei Technologies Co., Ltd.
发明人： Weishan Lu , Tao Wu
IPC分类号： H01Q21/06
CPC分类号： H01Q21/06 , H01Q3/446 , H01Q5/314 , H01Q5/385 , H01Q19/32 , H01Q21/20 , H04B7/0413 , Y02D70/1262 , Y02D70/142 , Y02D70/444
摘要： Embodiments of the present disclosure provide a single radio frequency double-stream transmission apparatus, wherein the apparatus includes: a radio frequency link, a reactance control circuit, a parasitic reactor, an active antenna and an even number M of parasitic antennas, wherein M is larger than 2; the radio frequency link is configured to generate a radio frequency signal; the active antenna is connected with the radio frequency link, the parasitic antennas are respectively connected with the parasitic reactor, the distances from the parasitic antennas to the active antenna are the same, and the radian between adjacent parasitic antennas is 360 M  degrees ; the parasitic reactor may be adjusted by the reactance control circuit to make the reactance values of any pair of parasitic antennas in mirror symmetry via the active antenna be different and the reactance values of the rest pairs of parasitic antennas in mirror symmetry via the active antenna be equal respectively.
摘要翻译：本公开的实施例提供单个射频双流传输装置，其中该装置包括：射频链路，电抗控制电路，寄生电抗器，有源天线和偶数个M的寄生天线，其中M是大于2; 射频链路被配置为产生射频信号; 有源天线与射频链路连接，寄生天线分别与寄生电抗器相连，从寄生天线到有源天线的距离相同，相邻寄生天线之间的弧度为360度; 可以通过电抗控制电路来调整寄生电抗器，以使得通过有源天线成反射镜对称的任何一对寄生天线的电抗值不同，并且通过有源天线以对称的其余寄生天线对的电抗值为相等。

9. 发明申请

US20130198523A1 METHOD AND APPARATUS FOR CHECKING FIELD REPLACEABLE UNIT, AND COMMUNICATION DEVICE 审中-公开
标题翻译：用于检查现场可更换单元的方法和装置，以及通信装置
公开(公告)号：US20130198523A1
公开(公告)日：2013-08-01
申请号：US13714127
申请日：2012-12-13
申请人： Huawei Technologies Co., Ltd.
发明人： Tao Wu , Jianxiong Wei , Zhonghua Deng
IPC分类号： G06F21/31
CPC分类号： G06F21/31 , G06F21/57 , G06F21/73
摘要： The present application provides a method and an apparatus for checking a field replaceable unit, and a communication device. The method for checking the field replaceable unit includes: obtaining key identifier information saved in a security memory module; and determining trustworthiness of the field replaceable unit according to the key identifier information saved in the security memory module and key identifier information directly obtained from the field replaceable unit. The present application may implement trustworthiness checking of the field replaceable unit, the implementation is simple, and the cost is low.
摘要翻译：本申请提供了一种用于检查现场可更换单元的方法和装置，以及通信装置。用于检查现场可更换单元的方法包括：获得保存在安全存储器模块中的密钥标识符信息; 以及根据保存在安全存储器模块中的密钥标识符信息和从现场可替换单元直接获得的密钥标识符信息来确定现场可替换单元的可信赖性。本申请可以实现现场可替换单元的可信赖性检查，实现简单，成本低。

10. 发明申请

US20130102305A1 WIRELESS ACCESS METHOD, DEVICE, AND SYSTEM 有权
标题翻译：无线接入方法，设备和系统
公开(公告)号：US20130102305A1
公开(公告)日：2013-04-25
申请号：US13713562
申请日：2012-12-13
申请人： Huawei Technologies Co., Ltd.
发明人： Sheng Liu , Rongdao Yu , Tao Wu
IPC分类号： H04W24/02
CPC分类号： 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
摘要： 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.
摘要翻译：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。

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