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公开(公告)号：US10103788B2
公开(公告)日：2018-10-16
申请号：US15167365
申请日：2016-05-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu
Abstract: Embodiments provide a method for reducing a self-interference signal in a communications system, and an apparatus. The method includes: sending a sounding signal; receiving an echo signal, where the echo signal includes a near-field reflected signal corresponding to the sounding signal. The method also includes separating the near-field reflected signal corresponding to the sounding signal from the echo signal, and determining a near-field reflection channel parameter according to the near-field reflected signal. The method also includes determining a reconstructed near-field reflected self-interference signal based on the near-field reflection channel parameter, and subtracting the reconstructed near-field reflected self-interference signal from a received second communication signal.
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公开(公告)号：US10084584B2
公开(公告)日：2018-09-25
申请号：US15390257
申请日：2016-12-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu , Teyan Chen , Yu Cai
CPC classification number: H04L5/0055 , H04B1/10 , H04L5/0005 , H04L5/14 , H04L25/03 , H04W72/082 , H04W84/12 , H04W88/02 , H04W88/08
Abstract: Embodiments of the present invention relate to the field of communications technologies, and provide an interference cancellation apparatus and method, which can avoid being limited by a dynamic range of an ADC/DAC and can cancel a second-type self-interference component effectively. The interference cancellation apparatus includes a main receive antenna, a divider, a first-type interference canceller, a down converter, a filter, a coupler, a digital down-conversion unit, a second-type interference reconstructor, and a local-frequency signal generator. The present invention is used for interference cancellation.
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公开(公告)号：US09954659B2
公开(公告)日：2018-04-24
申请号：US15382168
申请日：2016-12-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu , Zhou Lan , Teyan Chen
CPC classification number: H04L5/0044 , H04L1/0003 , H04L5/0053 , H04L25/02 , H04L27/20 , H04W84/12
Abstract: Embodiments of the present invention disclose a frame transmission method and an apparatus for a wireless local area network, which relate to the field of communications technologies. In the present invention, in a WLAN frame transmission process, a frame sent by a wireless local area network WLAN device is received, and identification of frames of different standards is completed by detecting a format indication field included in the frame, so as to implement backward compatibility of the WLAN device, so that hybrid networking of WLAN devices of different standards can be supported, flexibility of network deployment is improved, and networking complexity is reduced.
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公开(公告)号：US09853364B2
公开(公告)日：2017-12-26
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: H01Q21/00 , H01Q21/30 , H01Q1/24 , H01Q9/04 , H01Q1/52 , H01Q21/28 , H01Q1/38 , H01Q5/364 , H01Q5/371
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.
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公开(公告)号：US09768826B2
公开(公告)日：2017-09-19
申请号：US15172895
申请日：2016-06-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu
CPC classification number: H04B1/44 , H04B1/525 , H04B15/00 , H04L5/143 , H04L25/0224
Abstract: Embodiments of the present invention provide a self-interference cancellation method, a transceiver, and a communications device for a transmit/receive shared antenna. The method includes: in a self-interference channel measurement timeslot, transmitting a first reference signal on a transmit channel, and receiving a second reference signal on a reference signal receive channel, where the second reference signal is a reference signal obtained after the first reference signal passes through a self-interference signal transmission path; and performing channel estimation according to the first reference signal and the second reference signal to obtain description information of the self-interference transmission path.
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Patent Agency Ranking
公开(公告)号：US09606819B2
公开(公告)日：2017-03-28
申请号：US14196966
申请日：2014-03-04
Applicant: Huawei Technologies Co., Ltd.
Inventor： Bingfu Wang , Sheng Liu
CPC classification number: G06F9/45533 , G06F9/5072 , G06F2209/509 , H04L67/04 , H04L67/08 , H04L67/1002 , H04L67/148 , H04W4/00 , H04W4/60 , H04W8/22
Abstract: The present invention provides a wireless network, an implementation method thereof, and a terminal. The wireless network includes a terminal, a mobile communication network, and a network cloud, where the terminal is connected to the network cloud through the mobile communication network; a virtual machine corresponding to the terminal is provided in the network cloud; a tenant corresponding to the virtual machine is provided on the terminal; the virtual machine is configured to run an application and/or process a file as a proxy of the terminal, and upon reception of an operation command sent by the tenant, transmit display screen image data that is of the application and/or file and corresponds to the operation command to the tenant through a wireless air interface.
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公开(公告)号：US20160380669A1
公开(公告)日：2016-12-29
申请号：US15258869
申请日：2016-09-07
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu
CPC classification number: H04B1/525 , H04B7/04 , H04B7/0404 , H04L5/14 , H04L27/34
Abstract: Embodiments of the present invention provide an interference cancellation apparatus. The apparatus includes: a splitter, configured to send an acquired reference signal to a first and second main-path interference canceller; a main receive antenna, configured to send an acquired first receive signal to the first main-path interference canceller; the first main-path interference canceller, configured to perform first main-path interference cancellation processing on the first receive signal according to the reference signal, to generate a first processing signal; a reference receive antenna, configured to acquire and send a second receive signal to the second main-path interference canceller; the second main-path interference canceller, configured to perform second main-path interference cancellation processing on the second receive signal according to the reference signal, to generate a second processing signal; and a near-field interference canceller, configured to perform near-field interference cancellation processing on the first processing signal according to the second processing signal.
Abstract translation: 本发明的实施例提供一种干扰消除装置。 该装置包括：分配器，被配置为将获取的参考信号发送到第一和第二主路径干扰消除器; 主接收天线，被配置为将所获取的第一接收信号发送到所述第一主路径干扰消除器; 所述第一主路径干扰消除器被配置为根据所述参考信号对所述第一接收信号执行第一主路径干扰消除处理，以产生第一处理信号; 参考接收天线，被配置为获取并向第二主路径干扰消除器发送第二接收信号; 所述第二主路径干扰消除器被配置为根据所述参考信号对所述第二接收信号执行第二主路径干扰消除处理，以生成第二处理信号; 以及近场干扰消除器，被配置为根据所述第二处理信号对所述第一处理信号执行近场干扰消除处理。
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88.发明申请SELF-INTERFERENCE CANCELLATION METHOD, TRANSCEIVER, AND COMMUNICATIONS DEVICE FOR TRANSMIT/RECEIVE SHARED ANTENNA 有权自动干扰消除方法，收发器和用于发射/接收共享天线的通信设备公开(公告)号：US20160285502A1
公开(公告)日：2016-09-29
申请号：US15172895
申请日：2016-06-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu
CPC classification number: H04B1/44 , H04B1/525 , H04B15/00 , H04L5/143 , H04L25/0224
Abstract: Embodiments of the present invention provide a self-interference cancellation method, a transceiver, and a communications device for a transmit/receive shared antenna. The method includes: in a self-interference channel measurement timeslot, transmitting a first reference signal on a transmit channel, and receiving a second reference signal on a reference signal receive channel, where the second reference signal is a reference signal obtained after the first reference signal passes through a self-interference signal transmission path; and performing channel estimation according to the first reference signal and the second reference signal to obtain description information of the self-interference transmission path.
Abstract translation: 本发明的实施例提供一种用于发射/接收共享天线的自干扰消除方法，收发机和通信装置。 该方法包括：在自干扰信道测量时隙中，在发射信道上发送第一参考信号，以及在参考信号接收信道上接收第二参考信号，其中第二参考信号是在第一参考之后获得的参考信号 信号通过自干扰信号传输路径; 以及根据第一参考信号和第二参考信号执行信道估计，以获得自干扰传输路径的描述信息。
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89.发明申请Method for Reducing Self-Interference Signal in Communications System, and Apparatus 审中-公开通信系统中自干扰信号的降低方法及装置公开(公告)号：US20160277166A1
公开(公告)日：2016-09-22
申请号：US15167365
申请日：2016-05-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng Liu
CPC classification number: H04B7/015 , H04B1/525 , H04L5/0048 , H04L25/03006 , H04W4/80 , H04W72/0446
Abstract: Embodiments provide a method for reducing a self-interference signal in a communications system, and an apparatus. The method includes: sending a sounding signal; receiving an echo signal, where the echo signal includes a near-field reflected signal corresponding to the sounding signal. The method also includes separating the near-field reflected signal corresponding to the sounding signal from the echo signal, and determining a near-field reflection channel parameter according to the near-field reflected signal. The method also includes determining a reconstructed near-field reflected self-interference signal based on the near-field reflection channel parameter, and and subtracting the reconstructed near-field reflected self-interference signal from a received second communication signal.
Abstract translation: 实施例提供了一种用于减少通信系统中的自干扰信号的方法和装置。 该方法包括：发送探测信号; 接收回波信号，其中回波信号包括对应于探测信号的近场反射信号。 该方法还包括从回波信号中分离与探测信号相对应的近场反射信号，以及根据近场反射信号确定近场反射通道参数。 该方法还包括基于近场反射信道参数确定重建的近场反射自干扰信号，以及从接收到的第二通信信号中减去重构的近场反射自干扰信号。
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公开(公告)号：US09252919B2
公开(公告)日：2016-02-02
申请号：US14540878
申请日：2014-11-13
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yinggang Du , Sheng Liu , Rui Wang
CPC classification number: H04L1/0054 , H04B1/1027 , H04L25/03216 , H04L27/2649 , H04L27/38 , H04L2025/0342 , H04L2025/03426
Abstract: Embodiments of the present invention provide a method and device for demodulating data. The method includes: determining a number of reliable bits of each path of data in M paths of data and a modulation manner used to demodulate the reliable bits of each path of data, where M is a positive integer; demodulating the reliable bits of each path of data according to the modulation manner used to demodulate the reliable bits of each path of data; and demodulating residual bits in each path of data except the reliable bits according to a maximal likelihood ML algorithm. Compared with the prior art, it is unnecessary to demodulate all bits of each path of data according to the ML algorithm, thereby lowering the complexity of demodulation by using the ML algorithm.
Abstract translation: 本发明的实施例提供了一种用于解调数据的方法和装置。 该方法包括：确定M个数据路径中每条数据路径的可靠位数，以及用于解调数据路径的可靠位的调制方式，其中M为正整数; 根据用于解调每个数据路径的可靠位的调制方式解调每个数据路径的可靠位; 以及根据最大似然ML算法解调除可靠比特之外的每个数据路径中的残留比特。 与现有技术相比，不需要根据ML算法解调每个数据路径的所有比特，从而通过使用ML算法来降低解调的复杂度。
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