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    • 2. 发明申请
    • Systems and Methods to Provide Compensated Feedback Phase Information
    • 提供补偿反馈相位信息的系统和方法
    • US20140133528A1
    • 2014-05-15
    • US13677458
    • 2012-11-15
    • Peter NoestMartin Kastner
    • Peter NoestMartin Kastner
    • H04L27/18
    • H03C5/00H03F1/34H03F3/24H04B1/0475H04B2001/0433H04L27/361H04L27/368
    • A communication system includes a polar conversion component, a polar modulator, an RF front-end component, a feedback receiver, a delay compensation component, and an adder. The polar conversion component is configured to provide an amplitude signal and a phase signal. The polar modulator is configured to receive amplitude signal and the phase signal and to provide the phase modulated local oscillator signal and an RF output signal. The RF front-end component is configured to receive the RF output signal and to provide a coupled output signal. The feedback receiver is configured to receive the phase modulated local oscillator signal and the coupled output signal and to generate an uncompensated feedback phase information signal. The delay compensation component is configured to receive the phase signal and the uncompensated feedback phase information signal and to generate a compensation signal. The adder is configured to add the compensation signal to the uncompensated feedback phase information signal to generate a compensated feedback phase information signal.
    • 通信系统包括极性转换组件,极性调制器,RF前端组件,反馈接收器,延迟补偿组件和加法器。 极性转换组件被配置为提供振幅信号和相位信号。 极性调制器被配置为接收振幅信号和相位信号,并提供相位调制的本地振荡器信号和RF输出信号。 RF前端组件被配置为接收RF输出信号并提供耦合的输出信号。 反馈接收器被配置为接收相位调制的本地振荡器信号和耦合的输出信号并产生未补偿的反馈相位信息信号。 延迟补偿分量被配置为接收相位信号和未补偿的反馈相位信息信号并产生补偿信号。 加法器被配置为将补偿信号添加到未补偿反馈相位信息信号以产生经补偿的反馈相位信息信号。
    • 4. 发明申请
    • Receiver with Enhanced DC Compensation
    • 具有增强型直流补偿的接收器
    • US20140119418A1
    • 2014-05-01
    • US13664564
    • 2012-10-31
    • Peter NoestPeter BodeThorsten TrachtClemens Troebinger
    • Peter NoestPeter BodeThorsten TrachtClemens Troebinger
    • H04L25/06H04B17/00
    • H04L25/061
    • The disclosure relates to a receiver system that employs multiple instances of a DC compensation system to reduce DC offsets in a receiver path. The receiver has a receiver front end configured to receive an RF input signal and to operate on the RF input signal according to a plurality of receiver states to generate a baseband signal having a DC offset that is based upon the plurality of receiver states. A DC offset compensation circuit implements a plurality of instances of DC offset compensation components that respectively generate an estimated DC offset corresponding to a receiver state. A controller controls the receiver state of the receiver front end and operates the DC offset elimination circuit to selectively apply one of the plurality of DC compensation components to the corresponding baseband signal based upon the receiver state.
    • 本公开涉及采用DC补偿系统的多个实例以减少接收器路径中的DC偏移的接收机系统。 接收机具有被配置为接收RF输入信号并且根据多个接收器状态对RF输入信号进行操作的接收机前端,以生成具有基于多个接收器状态的DC偏移的基带信号。 DC偏移补偿电路实现分别产生对应于接收器状态的估计DC偏移的DC偏移补偿分量的多个实例。 控制器控制接收器前端的接收器状态,并且操作DC偏移消除电路,以基于接收器状态选择性地将多个DC补偿分量中的一个应用于相应的基带信号。
    • 7. 发明申请
    • TRANSCEIVER DEVICE AND A METHOD FOR GENERATING A COMPENSATION SIGNAL
    • 收发器装置和用于产生补偿信号的方法
    • US20150180685A1
    • 2015-06-25
    • US14550277
    • 2014-11-21
    • Peter NoestGregory Chance
    • Peter NoestGregory Chance
    • H04L25/08H04B1/10H04B1/04
    • H04L25/08H04B1/0475H04B1/10H04B1/40H04B1/525
    • A transceiver device 100 includes a transmit path module 110, a receive path module 120 and a compensation signal generator module 130. The transmit path module 110 generates a high frequency transmit signal 112 based on a baseband transmit signal. The receive path module 120 generates a baseband receive signal 122 based on a received high frequency receive signal 114. Further, the compensation signal generator module 130 generates a compensation signal 132 comprising at least one signal portion with a frequency equal to a frequency of an undesired signal portion of the baseband receive signal 122 caused by an undesired signal portion within the high frequency transmit signal 112 comprising a frequency equal to an integer multiple larger than 1 of a transmit frequency of the high frequency transmit signal 112.
    • 收发器装置100包括发射路径模块110,接收路径模块120和补偿信号发生器模块130.发射路径模块110基于基带发射信号产生高频发射信号112。 接收路径模块120基于接收的高频接收信号114来生成基带接收信号122.此外,补偿信号发生器模块130产生补偿信号132,该补偿信号包括至少一个信号部分,频率等于不期望的频率的频率 基带接收信号122的信号部分由高频发射信号112内的不需要的信号部分引起,包括频率等于高频发射信号112的发射频率1的整数倍的频率。