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    • 3. 发明申请
    • APPARATUS FOR UPLINK MULTI-ANTENNA COMMUNICATION BASED ON A HYBRID COUPLER AND A TUNABLE PHASE SHIFTER
    • 基于混合耦合器和可调相位振荡器的上行多天线通信装置
    • WO2017040025A1
    • 2017-03-09
    • PCT/US2016/047138
    • 2016-08-16
    • INTEL IP CORPORATION
    • CHANCE, GregoryTANZI, Nebil
    • H01P5/18H01P5/22H01P1/18H01P1/22H01Q3/36
    • H04B1/52
    • Embodiments of front-end module (FEM) circuitry and a communication device are generally described herein. In some embodiments, the FEM circuitry may be configured to provide uplink (UL) multiple-input multiple-output (MIMO) signals and/or UL carrier aggregation (CA) signals for transmission by the communication device. The FEM circuitry may comprise a hybrid coupler to generate a first antenna transmit signal and a second antenna transmit signal. The FEM circuitry may further comprise one or more tunable phase shifters. In some embodiments, the phase shifters may phase-shift a first radio frequency (RF) signal and a second RF signal according to a 90 degree phase difference to generate the hybrid coupler input signals. Accordingly, the antenna transmit signals may be transmitted according to the UL-MIMO configuration.
    • 本文一般地描述前端模块(FEM)电路和通信设备的实施例。 在一些实施例中,FEM电路可以被配置为提供用于由通信设备传输的上行链路(UL)多输入多输出(MIMO)信号和/或UL载波聚合(CA)信号。 FEM电路可以包括混合耦合器以产生第一天线发射信号和第二天线发射信号。 有限元电路还可以包括一个或多个可调谐移相器。 在一些实施例中,移相器可以根据90度相位差来移相第一射频(RF)信号和第二RF信号,以产生混合耦合器输入信号。 因此,可以根据UL-MIMO配置发送天线发射信号。
    • 10. 发明公开
    • ARCHITECTURE AND CONTROL OF ANALOG SELF-INTERFERENCE CANCELLATION
    • STECHERKTUR UND STEUERUNG VON ANALOGERSELBSTINTERFERENZUNTERDRÜCKUNG
    • EP3110018A1
    • 2016-12-28
    • EP16171188.2
    • 2016-05-24
    • Intel IP Corporation
    • TANZI, NebilCHANCE, Gregory
    • H04B1/12H04B1/525
    • H04B15/00H04B1/123H04B1/48H04B1/525H04B7/061H04B2001/485
    • An apparatus for interference cancellation in wireless communication systems configured for reception, comprises a receive signal path configured to convey an overall receive (Rx) signal comprising an Rx signal and a residual transmit (Tx) signal, from an antenna port to an Rx input port of a transceiver, and at least one cancellation path configured to receive a leakage Tx signal from the antenna port. Further, the apparatus comprises a cancellation unit configured to apply a cancellation signal to the overall Rx signal in the receive signal path and a compensation unit configured to generate the cancellation signal by modifying the leakage Tx signal in the cancellation path, based on a compensation control signal. In addition, the apparatus comprises a feedback receiver unit configured to generate the compensation control signal based on the residual Tx signal in the overall Rx signal and the cancellation signal.
    • 一种用于配置用于接收的无线通信系统中的干扰消除装置,包括:接收信号路径,被配置为将包括Rx信号和残余发送(Tx)信号的整体接收(Rx)信号从天线端口传送到Rx输入端口 收发器,以及配置成从天线端口接收泄漏Tx信号的至少一个消除路径。 此外,该装置包括:消除单元,被配置为向接收信号路径中的整个Rx信号施加消除信号;以及补偿单元,被配置为基于补偿控制来修改消除路径中的泄漏Tx信号来产生消除信号 信号。 此外,该装置包括:反馈接收器单元,被配置为基于整个Rx信号中的残余Tx信号和消除信号产生补偿控制信号。