Method and apparatus for correcting symbol timing
    11.
    发明授权
    Method and apparatus for correcting symbol timing 有权
    用于校正符号定时的方法和装置

    公开(公告)号:US07706492B2

    公开(公告)日:2010-04-27

    申请号:US11424537

    申请日:2006-06-15

    CPC classification number: H04L7/0062

    Abstract: The present invention provides a method and apparatus for correcting symbol timing of a receiver. The receiver receives a signal transmitted by a transmitter based on a symbol period. The method includes: sampling the signal with a sampling period to generate N sampled data in series, wherein the sampling period is half the symbol period; from Kth data of the N sampled data, getting M data to serve as a first data set; performing a timing recovery algorithm upon the first data set to generate a first timing metric; from (Kth+1) data of the N sampled data, getting M data to serve as a second data set; performing the timing recovery algorithm upon the second data set to generate a second timing metric; and correcting the symbol timing according to the first and second timing metrics.

    Abstract translation: 本发明提供了一种用于校正接收机的符号定时的方法和装置。 接收机基于符号周期接收由发射机发送的信号。 该方法包括:以采样周期对信号进行采样,以产生N个采样数据,其中采样周期为符号周期的一半; 从N个采样数据的第K个数据中获取M个数据作为第一个数据集; 在所述第一数据集上执行定时恢复算法以产生第一定时度量; 从N个采样数据的(Kth + 1)数据中获取M个数据作为第二数据集; 在所述第二数据集上执行所述定时恢复算法以生​​成第二定时度量; 以及根据第一和第二定时度量校正符号定时。

    SIGNAL PROCESSING METHOD BY ADDING ODD AND EVEN FIELD SYNC DATA FOR NEUTRALIZED EFFECTS AND APPARATUS THEREFOR
    12.
    发明申请
    SIGNAL PROCESSING METHOD BY ADDING ODD AND EVEN FIELD SYNC DATA FOR NEUTRALIZED EFFECTS AND APPARATUS THEREFOR 有权
    信号处理方法通过增加ODD和即时现场同步数据进行中和效应及其设备

    公开(公告)号:US20100110290A1

    公开(公告)日:2010-05-06

    申请号:US12606181

    申请日:2009-10-26

    CPC classification number: H04N5/06

    Abstract: A signal processing method by adding odd and even field SYNC data for neutralized effects including the steps of receiving an odd field SYNC data of an odd field, which is different at a certain data segment when compared with an even field SYNC data of an even field, and the even field SYNC data of the even field; adding the odd field SYNC data and the even field SYNC data to neutralize the odd and even field SYNC data so as to generate a combined odd and even field SYNC data; and performing a predetermined signal processing on an input signal according to the combined odd and even field SYNC data.

    Abstract translation: 一种信号处理方法,通过对中和效应添加奇数和偶数场SYNC数据,包括以下步骤:当与偶数场的偶数场SYNC数据相比时,在奇数场中接收奇数场的奇数场SYNC数据 ,偶数场的偶数SYNC数据; 将奇数场SYNC数据和偶数场SYNC数据相加以中和奇数和偶数场SYNC数据,以产生组合的奇数和偶数场SYNC数据; 并根据组合的奇数和偶数场SYNC数据对输入信号执行预定的信号处理。

    Equalizer and Equalizing Method thereof
    13.
    发明申请
    Equalizer and Equalizing Method thereof 有权
    均衡器及其均衡方法

    公开(公告)号:US20070104265A1

    公开(公告)日:2007-05-10

    申请号:US11555691

    申请日:2006-11-02

    Abstract: An equalizer and an equalizing method for equalizing a received signal, where the received signal includes at least one primary interference and a plurality of secondary interferences. The Viterbi equalizer includes a filter module for filtering out the secondary interferences from the received signal to generate a filtered signal, a serial to parallel converter, coupled to the filter module, for generating a plurality of sequences according to the filtered signal, and a Viterbi equalizing module, coupled to the serial to parallel converter, for respectively equalizing the plurality of sequences to generate a plurality of equalized sequences. The architecture of the Viterbi equalizing module is greatly simplified thereby reducing the calculation activity of the Viterbi equalizer as well as maintaining its efficiency.

    Abstract translation: 一种用于均衡接收信号的均衡器和均衡方法,其中接收信号包括至少一个主干扰和多个次干扰。 维特比均衡器包括滤波器模块,用于从接收到的信号滤除次级干扰以产生滤波信号,串联到并行转换器,耦合到滤波器模块,用于根据滤波信号产生多个序列;以及维特比 耦合到串行到并行转换器的均衡模块,用于分别均衡多个序列以产生多个均衡序列。 维特比均衡模块的架构大大简化,从而降低了维特比均衡器的计算活动以及维护维特比均衡器的效率。

    METHOD AND APPARATUS FOR CORRECTING SYMBOL TIMING
    14.
    发明申请
    METHOD AND APPARATUS FOR CORRECTING SYMBOL TIMING 有权
    校正符号时序的方法和装置

    公开(公告)号:US20060285616A1

    公开(公告)日:2006-12-21

    申请号:US11424537

    申请日:2006-06-15

    CPC classification number: H04L7/0062

    Abstract: The present invention provides a method and apparatus for correcting symbol timing of a receiver. The receiver receives a signal transmitted by a transmitter based on a symbol period. The method includes: sampling the signal with a sampling period to generate N sampled data in series, wherein the sampling period is half the symbol period; from Kth data of the N sampled data, getting M data to serve as a first data set; performing a timing recovery algorithm upon the first data set to generate a first timing metric; from (Kth+1) data of the N sampled data, getting M data to serve as a second data set; performing the timing recovery algorithm upon the second data set to generate a second timing metric; and correcting the symbol timing according to the first and second timing metrics.

    Abstract translation: 本发明提供了一种用于校正接收机的符号定时的方法和装置。 接收机基于符号周期接收由发射机发送的信号。 该方法包括:以采样周期对信号进行采样,以产生N个采样数据,其中采样周期为符号周期的一半; 从N个采样数据的第K个数据中获取M个数据作为第一数据集; 在所述第一数据集上执行定时恢复算法以产生第一定时度量; 从N个采样数据的(K0> 0)数据中获取M个数据作为第二数据集; 在所述第二数据集上执行所述定时恢复算法以生​​成第二定时度量; 以及根据第一和第二定时度量校正符号定时。

    SIGNAL PROCESSING DEVICE CAPABLE OF ENHANCING CORRECTNESS OF FEEDBACK SIGNALS
    16.
    发明申请
    SIGNAL PROCESSING DEVICE CAPABLE OF ENHANCING CORRECTNESS OF FEEDBACK SIGNALS 有权
    信号处理装置可以提高反馈信号的正确性

    公开(公告)号:US20050078746A1

    公开(公告)日:2005-04-14

    申请号:US10709462

    申请日:2004-05-07

    CPC classification number: H04L25/03057 H04L25/061 H04L2025/0349

    Abstract: A signal processing device for processing a passband signal to generate an equalized signal includes a passband adaptive equalizer for generating the equalized signal according to the passband signal, including at least one feed-forward equalizer (FFE) and one feedback equalizer (FBE), and a multilevel quantizer coupled with the passband adaptive equalizer for selectively utilizing a single predetermined threshold or a plurality of multiple predetermined thresholds to quantize the equalized signal in order to generate a sliced signal.

    Abstract translation: 用于处理通带信号以产生均衡信号的信号处理装置包括通带自适应均衡器,用于根据通带信号产生包括至少一个前馈均衡器(FFE)和一个反馈均衡器(FBE)的均衡信号,以及 与通带自适应均衡器耦合的多电平量化器,用于选择性地利用单个预定阈值或多个多个预定阈值来量化均衡信号以产生分片信号。

    EQUALIZATION DEVICE AND EQUALIZING METHOD THEREOF
    17.
    发明申请
    EQUALIZATION DEVICE AND EQUALIZING METHOD THEREOF 有权
    均衡装置及其均衡方法

    公开(公告)号:US20130034145A1

    公开(公告)日:2013-02-07

    申请号:US13563753

    申请日:2012-08-01

    Applicant: Yi-Lin Li

    Inventor: Yi-Lin Li

    CPC classification number: H04L25/03057 H04L25/03267

    Abstract: An equalization device is arranged for equalizing a received signal, wherein the received signal may include a primary signal and at least one interference signal. The equalization device may include a transformation module, a serial-to-parallel converter, and an equalization module, wherein the transformation module may include a predictive decision feed-back equalizer, a first feed-back filter and an adder. The transformation module is arranged for generating a transformation signal according to the primary signal and the at least one interference signal of the received signal, wherein the transformation signal includes a transformed primary signal and at least one transformed interference signal. The serial-to-parallel converter is arranged for respectively converting the transformed primary signal and the transformed interference signal into a plurality of transformation signal sequences. The equalization module is arranged for respectively equalizing the plurality of transformation signal sequences so as to generate a plurality of equalized sequences.

    Abstract translation: 均衡装置被布置用于均衡接收的信号,其中所接收的信号可以包括主信号和至少一个干扰信号。 均衡设备可以包括变换模块,串并转换器和均衡模块,其中变换模块可以包括预测判决反馈均衡器,第一反馈滤波器和加法器。 变换模块被配置为根据接收信号的主信号和至少一个干扰信号产生变换信号,其中变换信号包括变换的初级信号和至少一个经变换的干扰信号。 串行到并行转换器被布置为分别将变换的主信号和变换的干扰信号转换为多个变换信号序列。 均衡模块被布置用于分别均衡多个变换信号序列,以便产生多个相等的序列。

    RECEIVER AND METHOD FOR EQUALIZING RECEIVED SIGNAL
    18.
    发明申请
    RECEIVER AND METHOD FOR EQUALIZING RECEIVED SIGNAL 有权
    接收者和接收信号均衡的方法

    公开(公告)号:US20120027071A1

    公开(公告)日:2012-02-02

    申请号:US13191480

    申请日:2011-07-27

    Applicant: Yi-Lin Li

    Inventor: Yi-Lin Li

    CPC classification number: H04L25/03159 H04L25/03019

    Abstract: A receiver includes a discrete Fourier transform unit, a frequency-domain equalizer, an inverse discrete Fourier transform unit, a time-domain equalizer and an output circuit. The discrete Fourier transform unit is utilized for performing a discrete Fourier transform operation upon a received signal to generate a frequency-domain signal. The frequency-domain equalizer is utilized for equalizing the frequency-domain signal to generate an equalized frequency-domain signal. The inverse discrete Fourier transform unit is utilized for performing an inverse discrete Fourier transform operation upon the equalized frequency-domain signal to generate a first equalized time-domain signal. The time-domain equalizer is utilized for equalizing the received signal to generate a second equalized time-domain signal. The output circuit is utilized for generating a third equalized time-domain signal according to the first equalized time-domain signal and the second equalized time-domain signal.

    Abstract translation: 接收机包括离散付里叶变换单元,频域均衡器,离散傅里叶逆变换单元,时域均衡器和输出电路。 离散傅里叶变换单元用于对接收信号执行离散傅里叶变换操作以产生频域信号。 频域均衡器用于均衡频域信号以产生均衡的频域信号。 逆离散傅里叶变换单元用于对均衡的频域信号执行离散傅里叶逆变换操作,以产生第一均衡的时域信号。 时域均衡器用于均衡接收信号以产生第二均衡时域信号。 输出电路用于根据第一均衡时域信号和第二均衡时域信号产生第三均衡时域信号。

    EQUALIZER AND METHOD APPLIED THERETO
    19.
    发明申请
    EQUALIZER AND METHOD APPLIED THERETO 有权
    均衡器及其应用方法

    公开(公告)号:US20100111158A1

    公开(公告)日:2010-05-06

    申请号:US12605384

    申请日:2009-10-26

    CPC classification number: H04L25/03057

    Abstract: The equalizer presented includes a first feed-forward equalization module, a second feed-forward equalization module, and a phase error corrector. The first and the second feed-forward equalization modules respectively receives an input real-part component signal and an input imaginary-part component signal of a complex input signal and respectively equalizes the input real-part component signal and the input imaginary-part component signal to generate a first real-part component signal and a first imaginary-part component signal. The phase error corrector is coupled to the first and the second feed-forward equalization modules for adjusting a complex phase corresponding to the first real-part component signal and the first imaginary-part component signal to generate a second real-part component signal and a second imaginary-part component signal according to a phase error information.

    Abstract translation: 所提出的均衡器包括第一前馈均衡模块,第二前馈均衡模块和相位误差校正器。 第一和第二前馈均衡模块分别接收输入的实部分量信号和复数输入信号的输入虚部分量信号,并分别均衡输入的实部分量信号和输入虚部分量信号 以产生第一实部分量信号和第一虚部分量信号。 相位误差校正器被耦合到第一和第二前馈均衡模块,用于调整对应于第一实部分量信号和第一虚部分量信号的复相,以产生第二实部分量信号和 根据相位误差信息的第二虚部分量信号。

    PHASE CALIBRATION CIRCUIT AND RELATED PHASE CALIBRATION METHOD
    20.
    发明申请
    PHASE CALIBRATION CIRCUIT AND RELATED PHASE CALIBRATION METHOD 有权
    相位校准电路及相关相位校准方法

    公开(公告)号:US20100074374A1

    公开(公告)日:2010-03-25

    申请号:US12565761

    申请日:2009-09-24

    Abstract: A phase calibration circuit applied to at least one signal processing module group includes at least two phase calibration modules, a phase detection module and a filter module. An output node of a first phase calibration module is coupled to an input node of a first signal processing module, an input node of a second phase calibration module is coupled to an output node of the first signal processing module, and the first signal processing module receives a calibrated signal outputted from the first phase calibration module and generates a processed signal. The phase detection module is utilized for generating a phase error signal according to a calibrated signal of an Mth phase calibration module, where M is an integer equal to or greater than two. The filter module is utilized for generating at least a first and a second phase calibration signal according to the phase error signal.

    Abstract translation: 应用于至少一个信号处理模块组的相位校准电路包括至少两个相位校准模块,相位检测模块和滤波器模块。 第一相位校准模块的输出节点耦合到第一信号处理模块的输入节点,第二相位校准模块的输入节点耦合到第一信号处理模块的输出节点,第一信号处理模块 接收从第一相位校准模块输出的校准信号,并产生处理后的信号。 相位检测模块用于根据第M相校准模块的校准信号产生相位误差信号,其中M是等于或大于2的整数。 滤波器模块用于根据相位误差信号产生至少第一和第二相位校准信号。

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