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公开(公告)号：US20170104506A1
公开(公告)日：2017-04-13
申请号：US15388968
申请日：2016-12-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Sheng LIU , Teyan CHEN
CPC classification number: H04B1/1027 , H04B1/10 , H04B1/109 , H04B1/123 , H04B1/525 , H04B7/15585 , H04L27/26 , H04W84/042 , H04W84/12
Abstract: Embodiments of the present invention provide an interference cancellation apparatus and method. The method includes: receiving a radio frequency receive signal by using a main receive antenna; canceling a first-type self-interference component in the radio frequency receive signal according to a radio frequency reference signal, to generate a first processed signal; acquiring the reconstructed self-interference signal according to a self-interference channel parameter and the radio frequency reference signal; canceling a second-type self-interference component in the first processed signal according to the reconstructed self-interference signal to generate a second processed signal; performing down-conversion processing on the second processed signal to generate a third processed signal; performing analog to digital conversion on the third processed signal to generate a digital signal; and acquiring a digital baseband reference signal, and performing self-interference channel estimation according to the digital baseband reference signal and the digital signal to acquire the self-interference channel parameter.
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公开(公告)号：US20170104564A1
公开(公告)日：2017-04-13
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：US20160234041A1
公开(公告)日：2016-08-11
申请号：US15130652
申请日：2016-04-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Teyan CHEN , Hong CHENG , Sheng LIU
CPC classification number: H04L25/0202 , H04L1/00 , H04L5/005 , H04L5/0073 , H04L5/14 , H04W24/02 , H04W28/0273
Abstract: A channel estimation method includes: obtaining a self-interference channel estimation value of an ith moment and a communication channel estimation value of the ith moment, the i being greater than or equal to 0; obtaining a local end transmitting signal of the ith moment; obtaining an opposite end transmitting signal estimation value of the ith moment; and according to the self-interference channel estimation value of the ith moment, the communication channel estimation value of the ith moment, the local end transmitting signal of the ith moment and the opposite end transmitting signal estimation value of the ith moment, obtaining the self-interference channel estimation value and communication channel estimation value of an i+1 moment, and the i+1 moment differing from the i moment by 1 unit of time.
Abstract translation: 信道估计方法包括：获得第i个时刻的自干扰信道估计值和第i个时刻的通信信道估计值，i大于或等于0; 获得第i个时刻的本地端发送信号; 获得第i个时刻的相对端发射信号估计值; 并根据第i个时刻的自干扰信道估计值，第i个时刻的通信信道估计值，第i个时刻的本端发送信号和第i个时刻的相对端发送信号估计值，获得自身 干扰信道估计值和i + 1时刻的通信信道估计值，i + 1时刻与i时刻不同1个时间单位。
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公开(公告)号：US20200335879A1
公开(公告)日：2020-10-22
申请号：US16388274
申请日：2019-04-18
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Halim BOUTAYEB , Fayez HYJAZIE , Teyan CHEN , Tao WU , Matthew MILYAVSKY
Abstract: 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.
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公开(公告)号：US20160330758A1
公开(公告)日：2016-11-10
申请号：US15217431
申请日：2016-07-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Hong CHENG , Sheng LIU , Teyan CHEN
CPC classification number: H04W72/1273 , H04L1/00 , H04L5/0037 , H04L5/0048 , H04L5/0066 , H04L5/14 , H04W72/044 , H04W72/1231
Abstract: Embodiments of the present invention relate to a terminal scheduling method, a station, and a terminal. The method includes: sending, by a first station, a first notification message to a first terminal that is also in a first service set, where the first notification message is used to instruct the first terminal to send a sounding signal; receiving, by the first station, mutual interference information sent by a second terminal, where the mutual interference information includes a signal parameter value used to represent that signal interference is generated between the second terminal and the first terminal and identifier information used to determine the first terminal that sends the sounding signal, and the mutual interference information is sent if the second terminal obtains the sounding signal by means of listening; and performing, by the first station, scheduling processing on the first terminal and the second terminal according to the signal parameter value and the identifier information.
Abstract translation: 本发明的实施例涉及终端调度方法，站点和终端。 该方法包括：由第一站向第一终端发送第一通知消息，该第一通知消息也在第一服务集中，其中第一通知消息用于指示第一终端发送探测信号; 由第一站接收由第二终端发送的相互干扰信息，其中相互干扰信息包括用于表示在第二终端和第一终端之间产生信号干扰的信号参数值，以及用于确定第一终端的标识符信息 发送探测信号的终端，如果第二终端通过监听获得探测信号，则发送相互干扰信息; 以及由所述第一站根据所述信号参数值和所述标识符信息执行对所述第一终端和所述第二终端的调度处理。
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Patent Agency Ranking
公开(公告)号：US20220007386A1
公开(公告)日：2022-01-06
申请号：US17478305
申请日：2021-09-17
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Tao WU , Teyan CHEN , Jian YU , Jia JIA , Yingzhuang LIU
Abstract: Embodiments of this application relate to the wireless transmission field, and disclose a data transmission method and apparatus. The method includes: A transmit end generates a data packet; and the transmit end sends the data packet to a receive end, where the data packet includes at least two pieces of video service data having different priorities, and the pieces of video service data having different priorities are carried on different communications resources for transmission.
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公开(公告)号：US20170163404A1
公开(公告)日：2017-06-08
申请号：US15440668
申请日：2017-02-23
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Sheng LIU , Teyan CHEN
CPC classification number: H04L5/14 , H04L5/1461 , H04L5/1469 , H04W72/0413 , H04W72/042 , H04W72/0446
Abstract: Embodiments of the present invention provide a wireless communication method, device, and system, which relate to the field of communications technologies, and can resolve a problem of low carrier utilization in a wireless communications system. In the method, a wireless access device communicates with user equipment on a first carrier by using at least three timeslots, where the at least three timeslots include at least one full-duplex timeslot, at least one downlink timeslot, and at least one uplink timeslot; the wireless access device performs one or more of signal sending or signal reception in the full-duplex timeslot; the wireless access device sends a downlink signal in the downlink timeslot; and the wireless access device receives an uplink signal in the uplink timeslot. The embodiments of the present invention are used for wireless communication.
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公开(公告)号：US20220209886A1
公开(公告)日：2022-06-30
申请号：US17696420
申请日：2022-03-16
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Tao WU , Teyan CHEN
Abstract: Embodiments of this application disclose a data transmission method, apparatus, and system in backscatter communication, to improve spectrum usage efficiency of data. An embodiment of this application provides a data transmission method in backscatter communication, including: generating a first frame, where the first frame carries first data and second data, the first data and the second data in the first frame use different modulation schemes, the first data is sent to a first tag, and the second data is sent to a second tag; and sending the first frame to the first tag and the second tag.
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公开(公告)号：US20170111155A1
公开(公告)日：2017-04-20
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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10.发明申请ADAPTIVE RADIO-FREQUENCY INTERFERENCE CANCELLING DEVICE, METHOD, AND RECEIVER 有权自适应无线电干扰消除装置，方法和接收器公开(公告)号：US20150311928A1
公开(公告)日：2015-10-29
申请号：US14790958
申请日：2015-07-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Teyan CHEN , Yinggang DU , Sheng LIU
IPC: H04B1/10
Abstract: The present invention provides an adaptive radio-interference cancelling device and method, a receiver, and a wireless full duplex communication system. The device includes an amplitude phase adjusting module, configured to adjust an amplitude and a phase of a radio-frequency reference signal and output a radio-frequency adjustment signal to enable the radio-frequency adjustment signal to converge to a self-interference signal in a radio-frequency received signal; a subtractor, configured to output a radio-frequency residual signal, where the radio-frequency residual signal is a difference signal between the radio-frequency received signal and the radio-frequency adjustment signal; and a baseband extracting and filtering module, configured to receive the radio-frequency reference signal and the radio-frequency residual signal output by the subtractor, extract baseband signals and perform least mean squares adaptive filtering processing on the baseband signals to obtain an amplitude phase control signal and output to the amplitude phase adjusting module.
Abstract translation: 本发明提供一种自适应无线电干扰消除装置和方法，接收机和无线全双工通信系统。 该装置包括幅度相位调整模块，被配置为调整射频参考信号的幅度和相位，并输出射频调整信号以使得射频调整信号能够收敛到自身干扰信号 射频接收信号; 减法器，被配置为输出射频残留信号，其中，所述射频残差信号是所述射频接收信号与所述射频调整信号之间的差信号; 以及基带提取和滤波模块，被配置为接收由所述减法器输出的所述射频参考信号和所述射频残余信号，提取基带信号并对所述基带信号执行最小均方自适应滤波处理以获得幅度相位控制 信号并输出到幅度相位调整模块。
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