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1.发明申请Method and Apparatus for Correcting in-Phase Signal and Quadrature-Phase Signal 有权用于校正同相信号和正交相位信号的方法和装置公开(公告)号：US20140247912A1
公开(公告)日：2014-09-04
申请号：US14279070
申请日：2014-05-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rui Lv
IPC: H04L27/38
CPC classification number: H04L27/3854 , H04L1/243 , H04L25/06 , H04L27/364 , H04L27/3863
Abstract: The present invention discloses a method for correcting an IQ signal. includes: saving an I signal of a last frame and a Q signal of the last frame that are output by a receiving front end; eliminating a direct-current offset of an I signal of a current frame and a direct-current offset of a Q signal of the current frame according to the I signal of the last frame and the Q signal of the last frame; and geometrically correcting an I signal of the current frame after direct-current offset elimination and a Q signal of the current frame after direct-current offset elimination according to an I signal of the last frame after direct-current offset elimination and a Q signal of the last frame after direct-current offset elimination to obtain a corrected I signal of the current frame and a corrected Q signal of the current frame.
Abstract translation: 本发明公开了一种用于校正IQ信号的方法。 包括：保存由接收前端输出的最后一帧的I信号和最后一帧的Q信号; 根据最后帧的I信号和最后一帧的Q信号，消除当前帧的I信号和当前帧的Q信号的直流偏移的直流偏移; 以及根据直流偏移消除后的最后一帧的I信号和直流偏移消除后的最后一帧的I信号，在直流偏移消除后的当前帧的I信号和直流偏移消除后的当前帧的Q信号， 直流偏移消除后的最后一帧，以获得当前帧的校正I信号和当前帧的校正Q信号。
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公开(公告)号：US20130230090A1
公开(公告)日：2013-09-05
申请号：US13868623
申请日：2013-04-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Rui Lv
IPC: H04L25/03
CPC classification number: H04L25/03885 , H04L25/0305 , H04L27/22 , H04L27/38 , H04L2025/0342 , H04L2025/03477 , H04L2025/03598 , H04L2025/03662 , H04L2025/037
Abstract: The present disclosure relates to the field of network communication, and specifically discloses an adaptive equalization method, including: obtaining a first filtered signal according to a first filter coefficient; deciding the first filtered signal based on an original constellation map to obtain a first decision signal, and deciding the first filtered signal based on a level (n−1) constellation map to obtain a level (n−1) pseudo decision signal; if average energy of the level (n−1) error signal is less than a level (n−1) threshold, switching the level (n−1) constellation map to a level n constellation map; obtaining a second filter coefficient according to the update magnitude; obtaining a second filtered signal according to the second filter coefficient; and deciding the second filtered signal based on the original constellation map to obtain a second decision signal. Embodiments of the present disclosure also disclose an adaptive equalizer.
Abstract translation: 本公开涉及网络通信领域，具体公开了一种自适应均衡方法，包括：根据第一滤波器系数获得第一滤波信号; 基于原始星座图确定第一滤波信号以获得第一判定信号，并且基于级别（n-1）星座图确定第一滤波信号以获得电平（n-1）伪判定信号; 如果电平（n-1）误差信号的平均能量小于电平（n-1）阈值，则将电平（n-1）星座图切换到等级n星座图; 根据更新幅度获得第二滤波器系数; 根据第二滤波器系数获得第二滤波信号; 以及基于原始星座图确定第二滤波信号以获得第二判定信号。 本公开的实施例还公开了自适应均衡器。
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3.发明申请Equalization Method and Equalizer for Received Signals in Microwave MIMO System 有权微波MIMO系统中接收信号的均衡方法和均衡器公开(公告)号：US20150092831A1
公开(公告)日：2015-04-02
申请号：US14566289
申请日：2014-12-10
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Rui Lv
IPC: H04L25/03
CPC classification number: H04L25/03821 , H04L25/03038 , H04L25/03159 , H04L25/03891 , H04L2025/03414 , H04L2025/03426
Abstract: The present invention provides an equalization method and an equalizer for received signals in a microwave MIMO system. By performing vertical spatial filtering on and combining internal sub-signals for n received signals, an initial sliced signal corresponding to a received signal currently to be decoded is obtained; (n−1) ICI signals are generated based on (n−1) initial sliced signals corresponding to other (n−1) received signals; after the (n−1) ICI signals are eliminated from the n received signals, vertical spatial filtering is performed and internal sub-signals are combined to obtain a final sliced signal.
Abstract translation: 本发明提供了一种用于微波MIMO系统中接收信号的均衡方法和均衡器。 通过对n个接收信号进行垂直空间滤波并组合内部子信号，获得与当前要解码的接收信号相对应的初始分片信号; 基于对应于其他（n-1）个接收信号的（n-1）个初始分片信号，产生（n-1）个ICI信号; 在从n个接收信号中消除（n-1）个ICI信号之后，执行垂直空间滤波并组合内部子信号以获得最终的分片信号。
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公开(公告)号：US20130315293A1
公开(公告)日：2013-11-28
申请号：US13896020
申请日：2013-05-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rui Lv
IPC: H04B7/04
CPC classification number: H04B7/0413 , H04L25/03891 , H04L2027/003 , H04L2027/0042
Abstract: Embodiments of the present disclosure provide a method and an apparatus for correcting a frequency offset. The method includes: receiving n channels of first signals; performing frequency offset correction processing on the n channels of first signals to obtain n channels of first corrected signals; acquiring n center tap coefficients of a space time equalizer, n first output phases of a phase-locked loop phase detector, and a second output phase of a phase-locked loop phase detector; acquiring n first estimated frequency offset values according to the n center tap coefficients and the n first output phases; acquiring a second estimated frequency offset value according to the second output phase; and receiving n channels of second signals, and performing frequency offset correction on the n channels of second signals according to the n first estimated frequency offset values and the second estimated frequency offset value.
Abstract translation: 本公开的实施例提供了一种用于校正频率偏移的方法和装置。 该方法包括：接收n个第一信号信道; 对第一信号的n个通道执行频偏校正处理，以获得n个第一校正信号的通道; 获取空间时间均衡器的n个中心抽头系数，n个锁相环相位检测器的第一输出相位和锁相环相位检测器的第二输出相位; 根据n个中心抽头系数和n个第一输出相位获取n个第一估计频率偏移值; 根据第二输出相位获取第二估计频率偏移值; 并接收n个第二信号，并根据n个第一估计频率偏移值和第二估计频率偏移值对第二信号的n个通道执行频偏校正。
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公开(公告)号：US20130201855A1
公开(公告)日：2013-08-08
申请号：US13786298
申请日：2013-03-05
Applicant: Huawei Technologies Co., Ltd.
IPC: H04B17/00
CPC classification number: H04B17/21 , H01Q1/1257
Abstract: The present invention discloses a microwave antenna alignment method and apparatus, relating to the field of communications technologies, and providing a clear instruction for antenna adjustment and implementing more convenient antenna alignment. The microwave antenna alignment method includes: performing vector subtraction for in-phase signals received by two sub-antennas within a same horizontal plane to obtain an azimuth plane vector difference, where an azimuth plane angular error signal includes the azimuth plane vector difference, and the azimuth plane angular error signal is used to reflect a deviation angle and direction of a received beam from the antenna direction within the horizontal plane; and aligning the antenna within the horizontal plane according to the azimuth plane angular error signal.
Abstract translation: 本发明公开了一种与通信技术领域相关的微波天线对准方法和装置，并且提供了一种用于天线调整的清晰指令并实现更方便的天线对准。 微波天线对准方法包括：对由同一水平面内的两个子天线接收的同相信号进行矢量减法，得到方位平面矢量差，其中方位角角误差信号包括方位平面矢量差， 方位角角误差信号用于反映接收波束在水平面内的天线方向的偏离角度和方向; 并根据方位平面角误差信号将天线对准在水平面内。
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Patent Agency Ranking
6.发明授权Method and apparatus for correcting in-phase signal and quadrature-phase signal 有权用于校正同相信号和正交相位信号的方法和装置公开(公告)号：US09210025B2
公开(公告)日：2015-12-08
申请号：US14279070
申请日：2014-05-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rui Lv
CPC classification number: H04L27/3854 , H04L1/243 , H04L25/06 , H04L27/364 , H04L27/3863
Abstract: The present invention discloses a method for correcting an IQ signal. includes: saving an I signal of a last frame and a Q signal of the last frame that are output by a receiving front end; eliminating a direct-current offset of an I signal of a current frame and a direct-current offset of a Q signal of the current frame according to the I signal of the last frame and the Q signal of the last frame; and geometrically correcting an I signal of the current frame after direct-current offset elimination and a Q signal of the current frame after direct-current offset elimination according to an I signal of the last frame after direct-current offset elimination and a Q signal of the last frame after direct-current offset elimination to obtain a corrected I signal of the current frame and a corrected Q signal of the current frame.
Abstract translation: 本发明公开了一种用于校正IQ信号的方法。 包括：保存由接收前端输出的最后一帧的I信号和最后一帧的Q信号; 根据最后帧的I信号和最后一帧的Q信号，消除当前帧的I信号和当前帧的Q信号的直流偏移的直流偏移; 以及根据直流偏移消除后的最后一帧的I信号和直流偏移消除后的最后一帧的I信号，在直流偏移消除后的当前帧的I信号和直流偏移消除后的当前帧的Q信号， 直流偏移消除后的最后一帧，以获得当前帧的校正I信号和当前帧的校正Q信号。
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公开(公告)号：US08982940B2
公开(公告)日：2015-03-17
申请号：US13868623
申请日：2013-04-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rui Lv
CPC classification number: H04L25/03885 , H04L25/0305 , H04L27/22 , H04L27/38 , H04L2025/0342 , H04L2025/03477 , H04L2025/03598 , H04L2025/03662 , H04L2025/037
Abstract: The present disclosure relates to the field of network communication, and specifically discloses an adaptive equalization method, including: obtaining a first filtered signal according to a first filter coefficient; deciding the first filtered signal based on an original constellation map to obtain a first decision signal, and deciding the first filtered signal based on a level (n−1) constellation map to obtain a level (n−1) pseudo decision signal; if average energy of the level (n−1) error signal is less than a level (n−1) threshold, switching the level (n−1) constellation map to a level n constellation map; obtaining a second filter coefficient according to the update magnitude; obtaining a second filtered signal according to the second filter coefficient; and deciding the second filtered signal based on the original constellation map to obtain a second decision signal. Embodiments of the present disclosure also disclose an adaptive equalizer.
Abstract translation: 本公开涉及网络通信领域，具体公开了一种自适应均衡方法，包括：根据第一滤波器系数获得第一滤波信号; 基于原始星座图确定第一滤波信号以获得第一判定信号，并且基于级别（n-1）星座图确定第一滤波信号以获得电平（n-1）伪判定信号; 如果电平（n-1）误差信号的平均能量小于电平（n-1）阈值，则将电平（n-1）星座图切换到等级n星座图; 根据更新幅度获得第二滤波器系数; 根据第二滤波器系数获得第二滤波信号; 以及基于原始星座图确定第二滤波信号以获得第二判定信号。 本公开的实施例还公开了自适应均衡器。
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8.发明授权公开(公告)号：US09860083B2
公开(公告)日：2018-01-02
申请号：US15142472
申请日：2016-04-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Rui Lv
IPC: H04L25/02 , H04B7/06 , H04B7/0413
CPC classification number: H04L25/0204 , H04B7/0413 , H04B7/0617 , H04L25/0224 , H04L25/024 , H04L25/0244
Abstract: The present invention discloses a channel estimation method, apparatus, and device and a multichannel microwave communications system. According to the channel estimation method, a first vector group corresponding to a transmit end and a second vector group corresponding to a receive end are first obtained according to a transmit-receive array size; then a subchannel estimation procedure is performed multiple times according to the transmit-receive array size, the first vector group, and the second vector group, to obtain multiple corresponding subchannel estimated coefficients; and finally, a real channel matrix is determined according to the first vector group, the second vector group, and an estimation matrix consisting of the multiple subchannel estimated coefficients.
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公开(公告)号：US09647333B2
公开(公告)日：2017-05-09
申请号：US14728131
申请日：2015-06-02
Applicant: Huawei Technologies CO., Ltd.
CPC classification number: H01Q3/16 , H01Q15/14 , H01Q15/18 , H01Q19/106 , H01Q19/192 , H01Q25/007
Abstract: Embodiments of the present invention relate to the communication field and provide an array antenna. The array antenna includes: an antenna body, which is a multi-beam antenna, a single-beam antenna without grating lobes, or a single-beam antenna with grating lobes and transmits or receives a beam set by centering on the antenna body, where the beam set includes at least one beam; a planar reflection board, configured to reflect the beam set transmitted or received by the antenna body; and an adjusting unit, connected to the antenna body and/or the planar reflection board, and configured to adjust a relative position between the planar reflection board and the beam set of the antenna body so that the beam set of the antenna body can be transmitted or received in any direction after being reflected by the planar reflection board.
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10.发明授权Equalization method and equalizer for received signals in microwave MIMO system 有权微波MIMO系统中接收信号的均衡方法和均衡器公开(公告)号：US09148318B2
公开(公告)日：2015-09-29
申请号：US14566289
申请日：2014-12-10
Applicant: Huawei Technologies Co., Ltd.
Inventor： Rui Lv
CPC classification number: H04L25/03821 , H04L25/03038 , H04L25/03159 , H04L25/03891 , H04L2025/03414 , H04L2025/03426
Abstract: The present invention provides an equalization method and an equalizer for received signals in a microwave MIMO system. By performing vertical spatial filtering on and combining internal sub-signals for n received signals, an initial sliced signal corresponding to a received signal currently to be decoded is obtained; (n−1) ICI signals are generated based on (n−1) initial sliced signals corresponding to other (n−1) received signals; after the (n−1) ICI signals are eliminated from the n received signals, vertical spatial filtering is performed and internal sub-signals are combined to obtain a final sliced signal.
Abstract translation: 本发明提供了一种用于微波MIMO系统中接收信号的均衡方法和均衡器。 通过对n个接收信号进行垂直空间滤波并组合内部子信号，获得与当前要解码的接收信号相对应的初始分片信号; 基于对应于其他（n-1）个接收信号的（n-1）个初始分片信号，产生（n-1）个ICI信号; 在从n个接收信号中消除（n-1）个ICI信号之后，执行垂直空间滤波并组合内部子信号以获得最终的分片信号。
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