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公开(公告)号：EP3284177B1
公开(公告)日：2019-07-31
申请号：EP15721216.8
申请日：2015-05-05
发明人： REGEV, Dror , SHILO, Shimi , EZRI, Doron , BOON, Chirn Chye , YI, Xiang , ZHANG, Junping , HU, Gengen , LIANG, Dong , LIU, Sheng
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公开(公告)号：EP2996196B1
公开(公告)日：2019-06-26
申请号：EP14817591.2
申请日：2014-03-07
发明人： ZHAI, Huiqing , MA, Zhihui , LI, Zhenhua , LIANG, Changhong , YU, Rongdao , LIU, Sheng
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公开(公告)号：EP2884669B1
公开(公告)日：2018-11-14
申请号：EP13835969.0
申请日：2013-09-03
发明人： LIU, Sheng
CPC分类号： H04L5/1461 , H04B1/1081 , H04B1/40 , H04B1/525
摘要： Embodiments of the present invention provide a method, an apparatus, and a system for processing an interference signal, so as to eliminate an interference signal in a full duplex multi-antenna system. The method includes: receiving a radio signal, where the signal includes a self-interference signal of a transmit antenna, and the self-interference signal includes a first self-interference signal, and a second self-interference signal; performing primary interference cancellation processing, by using a first reference signal, on the received signal to eliminate the first self-interference signal; and performing secondary interference cancellation processing, by using a second reference signal, on the signal after the primary interference cancellation processing to eliminate the second self-interference signal.
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公开(公告)号：EP3139556B1
公开(公告)日：2018-10-03
申请号：EP14895776.4
申请日：2014-06-26
发明人： LIU, Sheng
CPC分类号： H04L25/03006 , H04B1/10 , H04B1/56 , H04L5/0048 , H04L5/1461 , H04L25/0212 , H04L25/0224 , H04W4/80
摘要： Embodiments of the present invention relate to the field of communications technologies, and provide an interference cancellation apparatus and method, which can cancel a near-field reflected self-interference component. The method includes: obtaining a radio frequency reference signal generated according to a transmit signal; obtaining a radio frequency receive signal by using a main receive antenna; performing interference cancellation processing on the radio frequency receive signal according to the radio frequency reference signal to generate a first processed signal; performing near-field reflected self-interference channel estimation according to a digital baseband reference signal corresponding to the radio frequency reference signal and according to a first digital signal obtained by sampling the first processed signal to obtain a near-field reflected self-interference component parameter; performing near-field reflected self-interference signal reconstruction according to the near-field reflected self-interference component parameter and the radio frequency reference signal to obtain a near-field reflected self-interference signal; and performing interference cancellation processing on the first processed signal according to the near-field reflected self-interference signal to obtain a second processed signal. The present invention is used for interference cancellation.
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46.发明公开
公开(公告)号：EP3282660A1
公开(公告)日：2018-02-14
申请号：EP15891129.7
申请日：2015-05-20
发明人： LIN, Meilu , LIU, Sheng , LIN, Wei , YU, Jian , LIU, Le , YANG, Xun , SHILO, Shimon , EZRI, Doron , TSODIK, Genadiy , REDLICH, Oded
IPC分类号： H04L27/26
CPC分类号： H04L27/2626 , H04L5/0048 , H04L5/0091 , H04L27/26 , H04L27/2605 , H04L69/323 , H04W84/12
摘要： Embodiments of the present invention provide a method for transmitting a physical layer protocol data unit PPDU, including: some data subcarriers of a last orthogonal frequency division multiplexing OFDM symbol that carries useful information and that is in the PPDU carry a data symbol sequence, the other data subcarriers of the last OFDM symbol that carries useful information carry a feature signal sequence, and a starting position of the feature signal sequence is determined by parsing the PPDU. The embodiments of the present invention further provide a corresponding PPDU transmission apparatus. Application of the method and apparatus in the embodiments of the present invention enables a receive end to quickly determine the starting position of the feature signal sequence by means of blind detection, and ensures that the receive end quickly completes data processing and state switching.
摘要翻译： 本发明实施例提供了一种物理层协议数据单元PPDU的传输方法，包括：最后一个正交频分复用OFDM符号的一些数据子载波承载有用信息，并且在PPDU中携带数据符号序列，另一个 携带有用信息的最后一个OFDM符号的数据子载波携带特征信号序列，通过解析该PPDU确定特征信号序列的起始位置。 本发明实施例还提供了一种对应的PPDU传输装置。 本发明实施例中的方法和装置的应用使得接收端能够通过盲检快速确定特征信号序列的起始位置，并保证接收端快速完成数据处理和状态切换。
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47.发明授权SELF-ADAPTIVE RADIO-FREQUENCY INTERFERENCE CANCELLING DEVICE AND METHOD, AND RECEIVER 有权自适应射频干扰消除设备和方法以及接收机
公开(公告)号：EP2933927B1
公开(公告)日：2017-10-25
申请号：EP14735172.0
申请日：2014-01-06
发明人： CHEN, Teyan , DU, Yinggang , LIU, Sheng
IPC分类号： H04B1/10
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公开(公告)号：EP3151495A1
公开(公告)日：2017-04-05
申请号：EP14895770.7
申请日：2014-06-26
发明人： LIU, Sheng , CHEN, Teyan , CAI, Yu
CPC分类号： H04L5/0055 , H04B1/10 , H04L5/0005 , H04L5/14 , H04L25/03 , H04W72/082 , H04W84/12 , H04W88/02 , H04W88/08
摘要： 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.
摘要翻译： 本发明的实施例涉及通信技术领域，并且提供可以避免被ADC / DAC的动态范围限制的干扰消除装置和方法，并且可以有效地消除第二类型自干扰分量。 干扰消除装置包括主接收天线，分频器，第一类型干扰消除器，下变频器，滤波器，耦合器，数字下变频单元，第二类型干扰重构器和本地频率信号 发电机。 本发明用于干扰消除。
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公开(公告)号：EP3151438A1
公开(公告)日：2017-04-05
申请号：EP14895760.8
申请日：2014-06-26
发明人： LIU, Sheng , CHEN, Teyan
IPC分类号： H04B1/12
CPC分类号： H04B1/1027 , H04B1/10 , H04B1/109 , H04B1/123 , H04B1/525 , H04B7/15585 , H04L27/26 , H04W84/042 , H04W84/12
摘要： 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 method includes: acquiring a radio frequency reference signal; 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 the 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 signal 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. The present invention is used for interference cancellation.
摘要翻译： 本发明实施例涉及通信技术领域，提供一种干扰抵消装置和方法，能够避免受到ADC / DAC动态范围的限制，并且能够有效抵消第二类型自干扰分量。 该方法包括：获取射频参考信号; 通过使用主接收天线接收射频接收信号; 根据所述射频参考信号消除所述射频接收信号中的第一类型自干扰分量，生成第一处理后的信号; 根据自干扰信道参数和射频参考信号获取重构的自干扰信号; 根据重构的自干扰信号消除第一处理信号中的第二类型自干扰信号以生成第二处理信号; 对所述第二处理信号执行下变换处理以生成第三处理信号; 对所述第三处理信号执行模数转换以生成数字信号; 并获取数字基带参考信号，并根据所述数字基带参考信号和所述数字信号进行自干扰信道估计，获取所述自干扰信道参数。 本发明用于干扰消除。
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公开(公告)号：EP2787703B1
公开(公告)日：2016-11-09
申请号：EP12852741.3
申请日：2012-11-28
发明人： LIU, Sheng , CHENG, Hong
CPC分类号： H04L25/0228 , H04L25/03968 , H04L27/2601
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