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1. 发明申请

US20080310560A1 Apparatus for Estimating Phase Offset of Multiple Survival Paths and Digital Wired/Wireless Communication System Using the Same 审中-公开
标题翻译：用于估计多个存活路径的相位偏移的装置和使用其的数字有线/无线通信系统
公开(公告)号：US20080310560A1
公开(公告)日：2008-12-18
申请号：US12094717
申请日：2006-05-26
申请人： Pan-Soo Kim , Yun-Jeong Song , Byoung-Hak Kim , Deock-Gil Oh , Ho-Jin Lee , Jun Heo , Joong-Gon Ryoo
发明人： Pan-Soo Kim , Yun-Jeong Song , Byoung-Hak Kim , Deock-Gil Oh , Ho-Jin Lee , Jun Heo , Joong-Gon Ryoo
IPC分类号： H04L27/06
CPC分类号： H04L1/205 , H03M13/2957 , H03M13/296 , H04L1/005 , H04L1/0066 , H04L1/0071
摘要： Provided is an apparatus for estimating phase offsets of multiple survival paths and a satellite communication system using the same. The apparatus includes: upper/lower decoding units for obtaining a phase offset estimation value and estimating phase offsets of each survival path based on a stored parameter estimation value of a previous state inputted from an external device; an interleaving/de-interleaving unit for minimizing correlation between data used to estimate a parameter according to the estimated phase offset value from the upper/lower decoding means; and a phase offset outputting unit for outputting the phase offset value estimated through the upper decoding unit and the de-interleaving unit.
摘要翻译：提供了一种用于估计多个存活路径的相位偏移的装置和使用其的卫星通信系统。该装置包括：上/下解码单元，用于获得相位偏移估计值，并且基于从外部设备输入的先前状态的存储参数估计值来估计每个生存路径的相位偏移; 交织/解交织单元，用于根据来自上/下解码装置的估计相位偏移值，最小化用于估计参数的数据之间的相关性; 以及相位偏移输出单元，用于输出通过上部解码单元和解交织单元估计的相位偏移值。

2. 发明申请

US20080273585A1 Apparatus for Estimating Phase Error and Phase Error Correction System Using the Same 失效
标题翻译：用于估计相位误差和相位误差校正系统的装置
公开(公告)号：US20080273585A1
公开(公告)日：2008-11-06
申请号：US12094851
申请日：2006-09-11
申请人： Pan-Soo Kim , Byoung-Hak Kim , Yun-Jeong Song , Deock-Gil Oh , Ho-Jin Lee , Jun Heo , Joong-Gon Ryoo
发明人： Pan-Soo Kim , Byoung-Hak Kim , Yun-Jeong Song , Deock-Gil Oh , Ho-Jin Lee , Jun Heo , Joong-Gon Ryoo
IPC分类号： H04B17/00 , H04L7/00
CPC分类号： H04L27/0014 , H04L2027/0057 , H04L2027/0067
摘要： Provided are an apparatus for estimating a phase error and a phase error correcting system using the phase error estimating apparatus. The apparatus includes: a probability value estimating unit for estimating a negative log probability value for each transmission symbol by transforming a soft output information transferred from the outside to a log A posterior probability ratio (LAPPR) value; an APP value calculating unit for calculating a posterior probability (APP) value by applying a negative exponential function to the transmission symbol; an average value deciding unit for deciding an average value for each transmission symbol using the probability information entirely, partially, or selectively according to a probability information type; and a symbol phase estimating unit for estimating a phase of a symbol based on the decided average value.
摘要翻译：提供了一种使用相位误差估计装置估计相位误差的装置和相位误差校正系统。该装置包括：概率值估计单元，用于通过将从外部传送的软输出信息变换为对数A后验概率比（LAPPR）值来估计每个发送符号的负对数概率值; APP值计算单元，用于通过对发送符号应用负指数函数来计算后验概率（APP）值; 平均值确定单元，用于根据概率信息类型完全，部分或选择地使用概率信息来确定每个传输符号的平均值; 以及符号相位估计单元，用于基于所确定的平均值来估计符号的相位。

3. 发明授权

US08045646B2 Apparatus for estimating phase error and phase error correction system using the same 失效
标题翻译：用于估计相位误差的装置和使用其的相位误差校正系统
公开(公告)号：US08045646B2
公开(公告)日：2011-10-25
申请号：US12094851
申请日：2006-09-11
申请人： Pan-Soo Kim , Byoung-Hak Kim , Yun-Jeong Song , Deock-Gil Oh , Ho-Jin Lee , Jun Heo , Joong-Gon Ryoo
发明人： Pan-Soo Kim , Byoung-Hak Kim , Yun-Jeong Song , Deock-Gil Oh , Ho-Jin Lee , Jun Heo , Joong-Gon Ryoo
IPC分类号： H03K9/00
CPC分类号： H04L27/0014 , H04L2027/0057 , H04L2027/0067
摘要： Provided are an apparatus for estimating a phase error and a phase error correcting system using the phase error estimating apparatus. The apparatus includes: a probability value estimating unit for estimating a negative log probability value for each transmission symbol by transforming a soft output information transferred from the outside to a log A posterior probability ratio (LAPPR) value; an APP value calculating unit for calculating a posterior probability (APP) value by applying a negative exponential function to the transmission symbol; an average value deciding unit for deciding an average value for each transmission symbol using the probability information entirely, partially, or selectively according to a probability information type; and a symbol phase estimating unit for estimating a phase of a symbol based on the decided average value.
摘要翻译：提供了一种使用相位误差估计装置估计相位误差的装置和相位误差校正系统。该装置包括：概率值估计单元，用于通过将从外部传送的软输出信息变换为对数A后验概率比（LAPPR）值来估计每个发送符号的负对数概率值; APP值计算单元，用于通过对发送符号应用负指数函数来计算后验概率（APP）值; 平均值确定单元，用于根据概率信息类型完全，部分或选择地使用概率信息来确定每个传输符号的平均值; 以及符号相位估计单元，用于基于所确定的平均值来估计符号的相位。

4. 发明申请

US20060146961A1 Frequency offset estimating method and receiver employing the same 失效
公开(公告)号：US20060146961A1
公开(公告)日：2006-07-06
申请号：US11297257
申请日：2005-12-07
申请人： Pan-Soo Kim , Yun-Jeong Song , Byoung-Hak Kim , Deock-Gil Oh , Ho-Jin Lee
发明人： Pan-Soo Kim , Yun-Jeong Song , Byoung-Hak Kim , Deock-Gil Oh , Ho-Jin Lee
IPC分类号： H04L27/14
CPC分类号： H04L27/0014 , H04L2027/003 , H04L2027/0046 , H04L2027/0065
摘要： Provided is a method for estimating carrier wave or doppler frequency offset based on an approximated quadratic non-linear function in fine search, and a receiver employing the method. The method for estimating frequency offset includes the steps of: a) extracting more than three discrete samples in an order where the discrete samples are close to a maximum value of a power spectrum density function; b) inducing a quadratic non-linear function by using the extracted discrete samples; and c) estimating the frequency offset from a maximum point of the quadratic non-linear function. The technology of the present research makes it possible to exactly estimate frequency offset without increasing hardware complexity in estimation of carrier wave or doppler frequency offset.

5. 发明申请

US20060045137A1 Apparatus for estimating frequency offset from received signal and method for the same 失效
标题翻译：用于估计接收信号的频率偏移的装置及其方法
公开(公告)号：US20060045137A1
公开(公告)日：2006-03-02
申请号：US11026957
申请日：2004-12-30
申请人： Pansoo Kim , Yun-Jeong Song , Soon-Ik Jeon , Deock-Gil Oh , Ho-Jin Lee
发明人： Pansoo Kim , Yun-Jeong Song , Soon-Ik Jeon , Deock-Gil Oh , Ho-Jin Lee
IPC分类号： H04J3/06
CPC分类号： H04L27/0014 , H04L2027/0028 , H04L2027/0048 , H04L2027/0065 , H04L2027/0069
摘要： Provided are an apparatus for estimating frequency offset from received signal and method for the same. The apparatus and method estimates frequency offset precisely without increment of autocorrelator by performing moving average filtering on a noised signal to thereby alleviate jitter. The frequency offset estimating apparatus includes: moving average filter for alleviating jitter of received signal; multiplier for multiplying a filtered signal by conjugate complex operanded pilot signal; phase-rotation value calculator for calculating a phase-rotation value from multiplicand operanded signal by using of symbol delay and an autocorrelation function; frequency offset estimator for estimating frequency offset from the phase-rotation value based on a smoothing function multiplication.
摘要翻译：提供了一种用于从接收信号估计频率偏移的装置及其方法。该装置和方法通过对噪声信号执行移动平均滤波来精确地估计频率偏移而不增加自相关器，从而减轻抖动。频率偏移估计装置包括：移动平均滤波器，用于减轻接收信号的抖动; 乘法器，用于将经滤波的信号乘以共轭复运算导频信号; 相位旋转值计算器，用于通过使用符号延迟和自相关函数来从被乘数运算信号计算相位旋转值; 频率偏移估计器，用于基于平滑函数乘法估计相位旋转值的频率偏移。

6. 发明授权

US07646784B2 Apparatus for estimating frequency offset from received signal and method for the same 失效
标题翻译：用于估计接收信号的频率偏移的装置及其方法
公开(公告)号：US07646784B2
公开(公告)日：2010-01-12
申请号：US11026957
申请日：2004-12-30
申请人： Pansoo Kim , Yun-Jeong Song , Soon-Ik Jeon , Deock-Gil Oh , Ho-Jin Lee
发明人： Pansoo Kim , Yun-Jeong Song , Soon-Ik Jeon , Deock-Gil Oh , Ho-Jin Lee
IPC分类号： H04J4/00 , H04J3/16 , H04J3/06 , H04B1/00 , H03K9/10 , H04L7/04
CPC分类号： H04L27/0014 , H04L2027/0028 , H04L2027/0048 , H04L2027/0065 , H04L2027/0069
摘要： Provided are an apparatus for estimating frequency offset from received signal and method for the same. The apparatus and method estimates frequency offset precisely without increment of autocorrelator by performing moving average filtering on a noised signal to thereby alleviate jitter. The frequency offset estimating apparatus includes: moving average filter for alleviating jitter of received signal; multiplier for multiplying a filtered signal by conjugate complex operanded pilot signal; phase-rotation value calculator for calculating a phase-rotation value from multiplicand operanded signal by using of symbol delay and an autocorrelation function; frequency offset estimator for estimating frequency offset from the phase-rotation value based on a smoothing function multiplication.
摘要翻译：提供了一种用于从接收信号估计频率偏移的装置及其方法。该装置和方法通过对噪声信号执行移动平均滤波来精确地估计频率偏移而不增加自相关器，从而减轻抖动。频率偏移估计装置包括：移动平均滤波器，用于减轻接收信号的抖动; 乘法器，用于将经滤波的信号乘以共轭复运算导频信号; 相位旋转值计算器，用于通过使用符号延迟和自相关函数来从被乘数运算信号计算相位旋转值; 频率偏移估计器，用于基于平滑函数乘法估计相位旋转值的频率偏移。

7. 发明授权

US07010059B2 Quadrature demodulator for compensating for gain and phase imbalances between in-phase and quadrature-phase components 失效
标题翻译：用于补偿同相和正交相分量之间的增益和相位不平衡的正交解调器
公开(公告)号：US07010059B2
公开(公告)日：2006-03-07
申请号：US10406094
申请日：2003-04-02
申请人： Yun-Jeong Song , Young-Wan Kim , Nae-Soo Kim , Deock-Gil Oh
发明人： Yun-Jeong Song , Young-Wan Kim , Nae-Soo Kim , Deock-Gil Oh
IPC分类号： H04L27/22
CPC分类号： H04L27/2273 , H04L27/3809 , H04L2027/0028 , H04L2027/0057
摘要： Disclosed is a quadrature demodulator for high-speed wireless communication, which comprises: an A/D converter for converting received signals into digital signals; a signal recovery unit for recovering carriers and symbol timing from the signals converted by the A/D converter; a decision unit for detecting recovered signals output by the signal recovery unit, and performing a decision process on them; an I/Q gain imbalance detector for detecting gain imbalances of the I and Q-phase components from the recovered signals, and outputting an I/Q gain compensation value for compensating for the gain imbalances; and an I/Q gain compensator, provided between the A/D converter and the signal recovery unit, for reflecting the I/Q gain compensation value output by the I/Q gain imbalance detector to the received signals.
摘要翻译：公开了一种用于高速无线通信的正交解调器，其包括：A / D转换器，用于将接收到的信号转换成数字信号; 信号恢复单元，用于从由A / D转换器转换的信号中恢复载波和符号定时; 判定单元，用于检测由信号恢复单元输出的恢复信号，并对其进行决定处理; I / Q增益不平衡检测器，用于检测来自恢复信号的I相和Q相分量的增益不平衡，并输出用于补偿增益不平衡的I / Q增益补偿值; 以及设置在A / D转换器和信号恢复单元之间的用于将由I / Q增益不平衡检测器输出的I / Q增益补偿值反映到接收信号的I / Q增益补偿器。

8. 发明申请

US20050069055A1 Method and apparatus for compensating I/Q imbalance by using variable loop gain in quadrature demodulator 失效
标题翻译：通过在正交解调器中使用可变环路增益来补偿I / Q不平衡的方法和装置
公开(公告)号：US20050069055A1
公开(公告)日：2005-03-31
申请号：US10839383
申请日：2004-05-04
申请人： Yun-Jeong Song , PanSoo Kim , Ho-Jin Lee
发明人： Yun-Jeong Song , PanSoo Kim , Ho-Jin Lee
IPC分类号： H04L27/06 , H04L27/00 , H04L27/22 , H04L27/38
CPC分类号： H04L27/22 , H04L27/3809 , H04L2027/0016 , H04L2027/0024
摘要： An apparatus and method for compensating an imbalance of phase and gain between I-channel and Q-channel by using variable loop gains is disclosed. The apparatus includes: a phase error generator for generating a phase error signal by using the I-channel signal and the Q-channel signal; an average value calculator for calculating an average value of the phase error signal; a comparator for comparing the average value with a predetermined threshold; a selector for selecting a loop gain value among a set of loop gains based on the comparison result; a phase imbalance generator for generating a phase imbalance by using the selected loop gain value; and a compensator for compensating the Q-channel signal based on the phase imbalance.
摘要翻译：公开了一种用于通过使用可变环路增益来补偿I信道和Q信道之间的相位和增益不平衡的装置和方法。该装置包括：相位误差发生器，用于通过使用I信道信号和Q信道信号产生相位误差信号; 用于计算相位误差信号的平均值的平均值计算器; 用于将所述平均值与预定阈值进行比较的比较器; 用于根据比较结果在一组循环增益中选择一个环路增益值的选择器; 相位不平衡发生器，用于通过使用所选择的环路增益值来产生相位不平衡; 以及用于基于相位不平衡来补偿Q通道信号的补偿器。

9. 发明授权

US07248654B2 Apparatus and method for compensating I/Q imbalance based on gain-controlled reference channel in orthogonal frequency division multiplex 有权
标题翻译：在正交频分复用中基于增益控制参考信道补偿I / Q不平衡的装置和方法
公开(公告)号：US07248654B2
公开(公告)日：2007-07-24
申请号：US10856052
申请日：2004-05-27
申请人： Yun-Jeong Song , Young-Wan Kim , Ho-Jin Lee
发明人： Yun-Jeong Song , Young-Wan Kim , Ho-Jin Lee
IPC分类号： H04L27/08
CPC分类号： H04L27/2647 , H04L27/3809 , H04L2027/0016
摘要： An apparatus and a method for controlling a gain of I-channel signal and compensating Q-channel signal in response to the gain imbalance based on the gain-controlled I-channel signal as a reference channel signal is disclosed. The apparatus includes: an auto gain controller for controlling a gain of a signal selected from the I-channel signal and the Q-channel signal to have a predetermined amplitude, thereby generating a gain-controlled signal; a detector for detecting a gain imbalance between the gain-controlled signal and the remaining channel signal; and a compensator for compensating the gain imbalance of the remaining channel signal based on the detected gain imbalance.
摘要翻译：公开了一种用于基于作为参考信道信号的增益控制的I信道信号来响应于增益不平衡来控制I信道信号的增益和补偿Q信道信号的装置和方法。该装置包括：自动增益控制器，用于控制从I信道信号和Q信道信号中选出的信号的增益以具有预定幅度，由此产生增益控制信号; 检测器，用于检测增益控制信号和剩余信道信号之间的增益不平衡; 以及补偿器，用于基于检测到的增益不平衡来补偿剩余通道信号的增益不平衡。

10. 发明授权

US07203251B2 Apparatus for compensating phase of receiver and method thereof 失效
标题翻译：用于补偿接收机相位的装置及其方法
公开(公告)号：US07203251B2
公开(公告)日：2007-04-10
申请号：US10960415
申请日：2004-10-06
申请人： Young-Wan Kim , Yun-Jeong Song , Nae-Soo Kim , Ho-Jin Lee
发明人： Young-Wan Kim , Yun-Jeong Song , Nae-Soo Kim , Ho-Jin Lee
IPC分类号： H04L27/00 , H00B7/212
CPC分类号： H04L27/0014 , H04B1/28 , H04L2027/0028 , H04L2027/0057
摘要： The present invention provides an apparatus for compensating a phase difference of a receiver, the apparatus including: an accumulating unit for accumulating a radio frequency (RF) input signal and generating an accumulated RF signal in order to minimize an effect of a background noise of the RF input signal; a early-local oscillating unit for generating a phase-early local oscillated signal based on a local oscillated signal of the receiver; a late-local oscillating unit for generating a phase-late local oscillated signal based on a local oscillated signal of the receiver; a phase early-late compensating unit for compensating a phase early-late based on the accumulated RF input signal and the phase-early and phase-late local oscillated signals; a look-up table data mapping unit for controlling a phase of the local oscillated signal with respect to a phase difference; and a feedback transmitting unit for transmitting a phase compensating data to the local oscillator.
摘要翻译：本发明提供了一种用于补偿接收机的相位差的装置，该装置包括：累加单元，用于累积射频（RF）输入信号并产生累积的RF信号，以便最小化背景噪声的影响 RF输入信号; 早期本地振荡单元，用于基于接收机的本地振荡信号产生相位早期本地振荡信号; 一个后局部振荡单元，用于基于接收器的本地振荡信号产生相位较晚的本地振荡信号; 一个相位早期补偿单元，用于基于累积的RF输入信号和相位早和相位晚的本地振荡信号来补偿相位的早期阶段; 查找表数据映射单元，用于控制相对于相位差的本地振荡信号的相位; 以及用于将相位补偿数据发送到本地振荡器的反馈发送单元。

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