Systems and methods for linearized-mixer out-of-band interference mitigation

    公开(公告)号:US11082074B2

    公开(公告)日:2021-08-03

    申请号:US16786066

    申请日:2020-02-10

    IPC分类号: H04B1/04 H04B1/10

    摘要: 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.

    SELF-INTERFERENCE-CANCELLED FULL-DUPLEX RELAYS

    公开(公告)号:US20190097716A1

    公开(公告)日:2019-03-28

    申请号:US16202830

    申请日:2018-11-28

    IPC分类号: H04B7/155

    摘要: A relay including a first transmitter that converts a first digital transmit signal to a first analog transmit signal, a first receiver that converts a first analog receive signal to a first digital receive signal, a second transmitter that converts a second digital transmit signal to a second analog transmit signal, a second receiver that converts a second analog receive signal to a second digital receive signal, and a self-interference canceller that generates a first self-interference cancellation signal based on at least one of the first digital transmit signal and the first analog transmit signal, and combines the first self-interference cancellation signal with at least one of the first digital receive signal and the first analog receive signal.

    ANALOG SELF-INTERFERENCE CANCELLATION SYSTEMS FOR CMTS

    公开(公告)号:US20190044567A1

    公开(公告)日:2019-02-07

    申请号:US16052458

    申请日:2018-08-01

    IPC分类号: H04B1/44 H04L5/14 H04B1/525

    摘要: A system for wired analog self-interference cancellation includes a coarse delayer that delays a sampled RF transmit signal by a first delay amount; a frequency downconverter that downconverts the sampled RF transmit signal to IF; a first canceller tap group comprising a first per-tap-group delayer, a first sampling coupler, a first per-tap delayer, and first and second analog vector modulators that generates an IF self-interference cancellation signal; a frequency upconverter that upconverts the IF self-interference cancellation signal to RF; and a receive coupler that combines the RF self-interference cancellation signal with the RF receive signal, reducing self-interference.

    Systems and methods for phase noise mitigation

    公开(公告)号:US09755692B2

    公开(公告)日:2017-09-05

    申请号:US14704746

    申请日:2015-05-05

    摘要: 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.

    Systems and methods for phase noise mitigation
    9.
    发明授权
    Systems and methods for phase noise mitigation 有权
    相位噪声抑制系统和方法

    公开(公告)号:US09054795B2

    公开(公告)日:2015-06-09

    申请号:US14460218

    申请日:2014-08-14

    IPC分类号: H04B15/00 H04L5/14

    摘要: 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.

    摘要翻译: 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 NON-LINEAR DIGITAL SELF-INTERFERENCE CANCELLATION
    10.
    发明申请
    SYSTEMS AND METHODS FOR NON-LINEAR DIGITAL SELF-INTERFERENCE CANCELLATION 有权
    用于非线性数字自干扰消除的系统和方法

    公开(公告)号:US20150139284A1

    公开(公告)日:2015-05-21

    申请号:US14607571

    申请日:2015-01-28

    IPC分类号: H04B1/40

    摘要: A system and method for non-linear digital self-interference cancellation including a pre-processor that generates a first pre-processed digital transmit signal from a digital transmit signal of a full-duplex radio, a non-linear transformer that transforms the first pre-processed digital transmit signal into a non-linear self-interference signal according to a transform configuration, a transform adaptor that sets the transform configuration of the non-linear transformer, and a post-processor that combines the non-linear self-interference signal with a digital receive signal of the full-duplex radio.

    摘要翻译: 一种用于非线性数字自干扰消除的系统和方法,包括从全双工无线电的数字发射信号产生第一预处理的数字发射信号的预处理器,转换第一预发射的非线性变换器 - 根据变换配置将处理的数字发送信号转换成非线性自干扰信号,设置非线性变换器的变换配置的变换适配器和组合非线性自干扰信号的后处理器 具有全双工无线电的数字接收信号。