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    Systems and methods for linearized-mixer out-of-band interference mitigation
    31.
    发明授权
    Systems and methods for linearized-mixer out-of-band interference mitigation 有权

    公开(公告)号：US10666305B2

    公开(公告)日：2020-05-26

    申请号：US16518576

    申请日：2019-07-22

    Applicant: Kumu Networks, Inc.

    Inventor： Jung-Il Choi ,  Mayank Jain ,  Christian Hahn

    IPC: H04B1/04 ,  H04B1/10

    Abstract: A system for linearized-mixer interference mitigation includes first and second linearized frequency downconverters; a sampling analog interference filtering system that, in order to remove interference in the transmit band, filters the sampled BB transmit signal to generate a cleaned BB transmit signal; an analog interference canceller that transforms the cleaned BB transmit signal to a BB interference cancellation signal; and a first signal coupler that combines the BB interference cancellation signal and the BB receive signal in order to remove a first portion of receive-band interference.

    SYSTEMS AND METHODS FOR OUT-OF-BAND INTERFERENCE MITIGATION
    34.
    发明申请
    SYSTEMS AND METHODS FOR OUT-OF-BAND INTERFERENCE MITIGATION 审中-公开

    公开(公告)号：US20190165821A1

    公开(公告)日：2019-05-30

    申请号：US16262045

    申请日：2019-01-30

    Applicant: Kumu Networks, Inc.

    Inventor： Jung-Il Choi ,  Mayank Jain

    IPC: H04B1/04 ,  H04B1/10

    CPC classification number: H04B1/0475 ,  H04B1/10 ,  H04B1/1027 ,  H04B1/1036 ,  H04B1/109 ,  H04B2001/0491 ,  H04B2001/1045 ,  H04B2001/1072

    Abstract: A system for interference mitigation including a transmit coupler that samples the RF transmit signal to create a sampled RF transmit signal; a transmit analog canceller that transforms the RF transmit signal to an RF interference cancellation signal, according to a first configuration state; a first receive coupler that combines the RF interference cancellation signal and the RF receive signal to generate a composite RF receive signal; a sampling analog interference filtering system that, in order to remove interference in the transmit band, filters the sampled RF transmit signal to generate a cleaned transmit signal; a first frequency downconverter that converts the transmit signal to a BB transmit signal; a second frequency downconverter that converts the composite RF receive signal to a composite BB receive signal; and an analog-to-digital converter that converts the transmit signal to a digital transmit signal.

    METHOD FOR PILOT SIGNAL BASED SELF-INTEFERENCE CANCELLATION TUNING
    36.
    发明申请
    METHOD FOR PILOT SIGNAL BASED SELF-INTEFERENCE CANCELLATION TUNING 有权
    基于信号的自相关消除调谐方法

    公开(公告)号：US20160226535A1

    公开(公告)日：2016-08-04

    申请号：US15011093

    申请日：2016-01-29

    Applicant: Kumu Networks, Inc.

    Inventor： Jung-Il Choi ,  Mayank Jain ,  Jeff Mehlman

    IPC: H04B1/10 ,  H04B17/318

    CPC classification number: H04B1/525

    Abstract: A method for pilot signal based self-interference cancellation tuning includes detecting a tuning trigger and in response to the tuning trigger, generating a pilot transmit signal according to the trigger data; and transmitting, at the transmitter, the pilot transmit signal; receiving, at the receiver, a pilot receive signal; cancelling, at the self-interference canceller, a portion of self-interference in the receive pilot signal, resulting in a composite pilot signal; analyzing the composite pilot signal; and tuning a configuration parameter of the self-interference canceller, based on analysis of the composite pilot signal, resulting in reduced self-interference in the composite pilot signal.

    Abstract translation: 一种用于基于导频信号的自干扰消除调谐的方法包括检测调谐触发，并响应于调谐触发，根据触发数据产生导频发射信号; 以及在所述发射机处发射所述导频发射信号; 在接收机处接收导频接收信号; 在自干扰消除器处消除接收导频信号中的一部分自干扰，导致复合导频信号; 分析复合导频信号; 以及基于所述复合导频信号的分析来调整所述自干扰消除器的配置参数，导致所述复合导频信号中的自干扰减小。

    Systems and methods for multi-rate digital self-interference cancellation
    37.
    发明授权
    Systems and methods for multi-rate digital self-interference cancellation 有权
    用于多速率数字自干扰消除的系统和方法

    公开(公告)号：US09276682B2

    公开(公告)日：2016-03-01

    申请号：US14722087

    申请日：2015-05-26

    Applicant: Kumu Networks, Inc.

    Inventor： Dinesh Bharadia ,  Jung-Il Choi ,  Mayank Jain ,  Rajendra Tushar Moorti

    IPC: H04B15/00 ,  H04L5/14 ,  H04B1/38

    CPC classification number: H04B1/62 ,  H04B1/00 ,  H04B1/123 ,  H04B1/38 ,  H04B1/48 ,  H04B1/525 ,  H04B15/00 ,  H04B2001/485 ,  H04L5/14 ,  H04L27/32

    Abstract: A system for multi-rate digital self-interference cancellation including a signal component generation system coupled to a digital transmit signal of a communication system that generates a set of signal components from the digital transmit signal; a multi-rate adaptive filter that transforms the set of signal components into a digital self-interference cancellation signal, according to a transform configuration, to form an interference-reduced receive signal; and a transform adaptor that dynamically sets the transform configuration in response to changes in the interference-reduced receive signal.

    Abstract translation: 一种用于多速率数字自干扰消除的系统，包括耦合到通信系统的数字发射信号的信号分量产生系统，其从数字发射信号产生一组信号分量; 多速率自适应滤波器，其根据变换配置将所述信号分量集合变换为数字自干扰消除信号，以形成干扰减小的接收信号; 以及变换适配器，其响应于减少干扰的接收信号的变化而动态地设置变换配置。

    SYSTEMS AND METHODS FOR FREQUENCY INDEPENDENT ANALOG SELF-INTERFERENCE CANCELLATION
    38.
    发明申请
    SYSTEMS AND METHODS FOR FREQUENCY INDEPENDENT ANALOG SELF-INTERFERENCE CANCELLATION 有权
    用于频率独立模拟自干扰消除的系统和方法

    公开(公告)号：US20160043759A1

    公开(公告)日：2016-02-11

    申请号：US14690757

    申请日：2015-04-20

    Applicant: Kumu Networks, Inc.

    Inventor： Jung-Il Choi ,  Mayank Jain ,  Joseph Shalizi ,  Jeff Mehlman

    IPC: H04B1/12 ,  H04L5/14

    CPC classification number: H04B1/12 ,  H04B1/525 ,  H04L5/14 ,  H04L5/143 ,  H04L5/1461 ,  H04L27/2691

    Abstract: A system and method for analog self-interference cancellation that includes receiving an RF transmit signal of a full-duplex radio; frequency downconverting the RF transmit signal to an IF transmit signal; transforming the IF transmit signal into an IF self-interference signal using an IF analog self-interference cancelling circuit; frequency upconverting the IF self-interference signal to an RF self-interference signal; and combining the RF self-interference signal with an RF receive signal of the full-duplex radio.

    Abstract translation: 一种用于模拟自干扰消除的系统和方法，包括：接收全双工无线电的RF发射信号; 将RF发射信号下变频到IF发射信号; 使用IF模拟自干扰消除电路将IF发射信号变换成IF自干扰信号; 将IF自干扰信号上变频到RF自干扰信号; 以及将RF自干扰信号与全双工无线电的RF接收信号组合。

    SYSTEMS AND METHODS FOR PHASE NOISE MITIGATION
    39.
    发明申请
    SYSTEMS AND METHODS FOR PHASE NOISE MITIGATION 有权
    用于相位噪声缓解的系统和方法

    公开(公告)号：US20150236750A1

    公开(公告)日：2015-08-20

    申请号：US14704746

    申请日：2015-05-05

    Applicant: Kumu Networks, Inc.

    Inventor： Jung-Il Choi ,  Mayank Jain ,  Jeffrey Mehlman

    IPC: H04B1/525 ,  H04B7/04 ,  H04B1/48

    CPC classification number: H04B1/525 ,  H04B1/48 ,  H04B7/0413 ,  H04B15/00 ,  H04B2001/485 ,  H04L5/14

    Abstract: A system for phase noise mitigated communication including a primary transmitter that converts a digital transmit signal to an analog transmit signal, a primary receiver that receives an analog receive signal and converts the analog receive signal to a digital receive signal, an analog self-interference canceller that samples the analog transmit signal, generates an analog self-interference cancellation signal based on the analog transmit signal, and combines the analog self-interference cancellation signal with the analog receive signal and a digital self-interference canceller that samples the digital transmit signal, generates a digital self-interference cancellation signal based on the digital transmit signal, and combines the digital self-interference cancellation signal with the digital receive signal.

    Abstract translation: 一种用于相位噪声减轻通信的系统，包括将数字发射信号转换为模拟发射信号的主发射机，接收模拟接收信号并将模拟接收信号转换为数字接收信号的主接收机，模拟自干扰消除器 对模拟发送信号进行采样，基于模拟发送信号产生模拟自干扰消除信号，并将模拟自干扰消除信号与模拟接收信号组合，并对数字发送信号进行采样的数字自干扰消除器， 基于数字发送信号产生数字自干扰消除信号，并将数字自干扰消除信号与数字接收信号组合。

    Systems and methods for hybrid self-interference cancellation
    40.
    发明授权
    Systems and methods for hybrid self-interference cancellation 有权
    混合自干扰消除的系统和方法

    公开(公告)号：US09077421B1

    公开(公告)日：2015-07-07

    申请号：US14569354

    申请日：2014-12-12

    Applicant: Kumu Networks, Inc.

    Inventor： Jeffrey Mehlman ,  Mayank Jain ,  Jung-Il Choi ,  Dinesh Bharadia

    IPC: H04B1/12 ,  H04B1/10 ,  H04L5/14 ,  H04B1/04

    CPC classification number: H04B1/525 ,  H04B1/0475 ,  H04B1/10 ,  H04L5/14 ,  H04L5/1461

    Abstract: A system for hybrid self-interference cancellation includes a transmit coupler that samples an RF transmit signal, a RF self-interference canceller that transforms the sampled RF transmit signal to an RF self-interference cancellation signal, an IF self-interference canceller that transforms a downconverted version of the RF transmit signal to an ISRF self-interference cancellation signal, and a receive coupler that combines the RF and ISRF self-interference cancellation signals with an RF receive signal.

    Abstract translation: 用于混合自干扰消除的系统包括对RF发射信号进行采样的发射耦合器，将采样的RF发射信号变换为RF自干扰消除信号的RF自干扰消除器，IF自干扰消除器，其将 将RF发射信号的下变频版本转换为ISRF自干扰消除信号，以及将RF和ISRF自干扰消除信号与RF接收信号组合的接收耦合器。

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