公开(公告)号：US09240771B2

公开(公告)日：2016-01-19

申请号：US13368656

申请日：2012-02-08

申请人： Joo-Hyun Lee ,  Sung-Kwon Jo ,  Ha-Young Yang

发明人： Joo-Hyun Lee ,  Sung-Kwon Jo ,  Ha-Young Yang

IPC分类号： H03H17/06 ,  H04B1/00

CPC分类号： H03H17/0685 ,  H03H17/0628 ,  H04B1/0017 ,  H04B1/0021

摘要： A method of generating a signal having a converted sampling rate in a communication system is provided. The method includes selecting effective input samples among S number of input samples included in an input stream corresponding to an input sampling rate, generating a filter coefficient set including filter coefficients having a length of a second tap, the filter coefficients having the length of the second tap being generated by dividing a filter coefficient having a length of a first tap configuring a low-pass filter into the filter coefficients having the length of the second tap corresponding to a number of selected effective input samples, selecting filter coefficients corresponding to each of the effective input samples among the filter coefficients included in the filter coefficient set, and outputting output samples having an output sampling rate which is converted from the input sampling rate.

摘要翻译： 提供一种在通信系统中产生具有转换采样率的信号的方法。 该方法包括：选择包含在与输入采样率相对应的输入流中的S个输入样本之间的有效输入样本，生成包括具有第二抽头长度的滤波器系数的滤波器系数组，滤波器系数具有第二 通过将具有构成低通滤波器的第一抽头的长度的滤波器系数除以对应于所选择的有效输入样本的数量的具有第二抽头的长度的滤波器系数来生成抽头，选择与每个 包括在滤波器系数组中的滤波器系数中的有效输入样本，并且输出具有从输入采样率转换的输出采样率的输出采样。

公开(公告)号：US08416674B2

公开(公告)日：2013-04-09

申请号：US12967417

申请日：2010-12-14

申请人： Joo-Hyun Lee ,  Sung-Kwon Jo ,  Ha-Young Yang ,  Myung-Kwang Byun

发明人： Joo-Hyun Lee ,  Sung-Kwon Jo ,  Ha-Young Yang ,  Myung-Kwang Byun

IPC分类号： H04J9/00 ,  H04J11/00

CPC分类号： H04B7/0854 ,  H04L25/022 ,  H04L25/03159 ,  H04L25/03292 ,  H04L27/2636 ,  H04L27/2649 ,  H04L2025/03414

摘要： A method and an apparatus for receiving a Minimum Mean-Squared-Error (MMSE) in a Single-Carrier Frequency Division Multiple Access (SC-FDMA) system is provided. The method includes, transforming a signal in a time domain received through an antenna into a signal in a frequency domain, and discriminating between bands respectively allocated to terminals in a frequency domain, estimating a channel and computing a weight value from the signal transformed into the frequency domain, and detecting an MMSE, computing a time-domain bias from the weight value and a channel estimation value of the signal transformed into the frequency domain, normalizing the detected MMSE by using the computed time-domain bias, and transforming the normalized signal into a normalized signal in a time domain, decoding the normalized signal transformed to the time domain, and transmitting the decoded normalized signal transformed into the time domain to each of the terminals.

摘要翻译： 提供了一种用于在单载波频分多址（SC-FDMA）系统中接收最小均方误差（MMSE）的方法和装置。 该方法包括：将通过天线接收的时域中的信号变换为频域中的信号，以及区分分配给频域中的终端的频带，估计信道，并从转换为 频域，并且检测MMSE，从加权值计算时域偏差和变换到频域的信号的信道估计值，通过使用计算出的时域偏差对检测到的MMSE进行归一化，并且将归一化信号 在时域中变换为归一化信号，对被变换为时域的归一化信号进行解码，并将转换成时域的解码归一化信号发送到各终端。

公开(公告)号：US08681912B2

公开(公告)日：2014-03-25

申请号：US12978820

申请日：2010-12-27

申请人： Hyo-Yol Park ,  Sung-Kwon Jo ,  Ha-Young Yang

发明人： Hyo-Yol Park ,  Sung-Kwon Jo ,  Ha-Young Yang

IPC分类号： H03D1/00 ,  H04L27/06

CPC分类号： H04L25/0228 ,  H04L25/0212

摘要： Method of estimating a channel in a wireless communication system by obtaining a channel impulse response from a pilot signal included in a received signal; estimating a timing offset with a maximum peak power value for the channel impulse response; and performing a phase compensation using the estimated timing offset and estimating a channel which is applied with the compensated phase.

摘要翻译： 一种通过从包括在接收信号中的导频信号获得信道脉冲响应来估计无线通信系统中信道的方法; 用信道脉冲响应的最大峰值功率值估计定时偏移; 以及使用所估计的定时偏移来执行相位补偿，并且估计应用补偿相位的信道。

公开(公告)号：US20110158343A1

公开(公告)日：2011-06-30

申请号：US12978820

申请日：2010-12-27

申请人： Hyo-Yol PARK ,  Sung-Kwon Jo ,  Ha-Young Yang

发明人： Hyo-Yol PARK ,  Sung-Kwon Jo ,  Ha-Young Yang

IPC分类号： H04B15/00

CPC分类号： H04L25/0228 ,  H04L25/0212

摘要： Method of estimating a channel in a wireless communication system by obtaining a channel impulse response from a pilot signal included in a received signal; estimating a timing offset with a maximum peak power value for the channel impulse response; and performing a phase compensation using the estimated timing offset and estimating a channel which is applied with the compensated phase.

摘要翻译： 一种通过从包括在接收信号中的导频信号获得信道脉冲响应来估计无线通信系统中信道的方法; 用信道脉冲响应的最大峰值功率值估计定时偏移; 以及使用所估计的定时偏移来执行相位补偿，并且估计应用补偿相位的信道。

公开(公告)号：US07885631B2

公开(公告)日：2011-02-08

申请号：US12020162

申请日：2008-01-25

申请人： Ha-Young Yang ,  Ji-Ho Jang ,  Jae-Ho Jeon ,  Sung-Kwon Jo ,  Seung-Joo Maeng ,  Byung-Joon Park

发明人： Ha-Young Yang ,  Ji-Ho Jang ,  Jae-Ho Jeon ,  Sung-Kwon Jo ,  Seung-Joo Maeng ,  Byung-Joon Park

IPC分类号： H04B1/10 ,  H04B1/16

CPC分类号： H04B1/1027

摘要： Disclosed is a method for receiving a signal by a receiver in a communication system, the method includes receiving a signal; estimating a first noise value by using a reference signal included in the received signal; estimating a second noise value by using at least one subcarrier which has been unused for a transmission of data and the reference signal; and when a difference between the estimated first noise value and the estimated second noise value is greater than a threshold value, demodulating the data by using an interference removal algorithm.

摘要翻译： 公开了一种在通信系统中由接收机接收信号的方法，该方法包括：接收信号; 通过使用包括在接收信号中的参考信号来估计第一噪声值; 通过使用未被用于数据传输和参考信号的至少一个子载波来估计第二噪声值; 并且当估计的第一噪声值和估计的第二噪声值之间的差大于阈值时，通过使用干扰去除算法对数据进行解调。

公开(公告)号：US20100220617A1

公开(公告)日：2010-09-02

申请号：US12660363

申请日：2010-02-25

申请人： Young-Kwan Choi ,  Ha-Young Yang ,  Sung-Kwon Jo

发明人： Young-Kwan Choi ,  Ha-Young Yang ,  Sung-Kwon Jo

IPC分类号： H04L12/26

CPC分类号： H04L1/0035 ,  H04L1/0026

摘要： An apparatus and a method for a base station or a sector to efficiently detect Channel Quality Indicator (CQI) information transmitted from a terminal in a wireless communication system are provided. A method of a base station for detecting CQI information in a wireless communication system includes determining a part or all of a CQI interval as a correlation interval based at least partly upon a presence of an interference power less than a threshold in a corresponding interval of the CQI interval; and determining correlations between a signal received over the determined correlation interval and possible codewords.

摘要翻译： 提供了一种用于基站或扇区有效地检测在无线通信系统中从终端发送的信道质量指示符（CQI）信息的装置和方法。 一种用于在无线通信系统中检测CQI信息的基站的方法包括：至少部分地基于在相应间隔的相应间隔中存在小于阈值的干扰功率来确定CQI间隔的一部分或全部 CQI间隔; 以及确定通过所确定的相关间隔接收的信号与可能的码字之间的相关性。

公开(公告)号：US20090221282A1

公开(公告)日：2009-09-03

申请号：US12397131

申请日：2009-03-03

申请人： Ik-Beom Lee ,  Ha-Young Yang ,  Jae-Ho Jeon ,  Sung-Kwon Jo

发明人： Ik-Beom Lee ,  Ha-Young Yang ,  Jae-Ho Jeon ,  Sung-Kwon Jo

IPC分类号： H04W24/00

CPC分类号： H04W24/10 ,  H04W72/08

摘要： A method for measuring channel quality of a Base Station (BS) by using a ranging signal in a broadband wireless communication system is provided. The method includes estimating a time offset of the ranging signal received through a ranging channel, measuring channel quality by using the ranging signal including the time offset, determining whether distortion occurs in the measured channel quality by using the time offset, and compensating for distortion of the measured channel quality.

摘要翻译： 提供了一种通过在宽带无线通信系统中使用测距信号来测量基站（BS）的信道质量的方法。 该方法包括估计通过测距信道接收的测距信号的时间偏移，通过使用包括时间偏移的测距信号来测量信道质量，通过使用时间偏移来确定在所测量的信道质量中是否发生失真，以及补偿 测量的通道质量。

公开(公告)号：US08761680B2

公开(公告)日：2014-06-24

申请号：US12397131

申请日：2009-03-03

申请人： Ik-Beom Lee ,  Ha-Young Yang ,  Jae-Ho Jeon ,  Sung-Kwon Jo

发明人： Ik-Beom Lee ,  Ha-Young Yang ,  Jae-Ho Jeon ,  Sung-Kwon Jo

IPC分类号： H04W24/10 ,  H04W72/08

CPC分类号： H04W24/10 ,  H04W72/08

摘要： A method for measuring channel quality of a Base Station (BS) by using a ranging signal in a broadband wireless communication system is provided. The method includes estimating a time offset of the ranging signal received through a ranging channel, measuring channel quality by using the ranging signal including the time offset, determining whether distortion occurs in the measured channel quality by using the time offset, and compensating for distortion of the measured channel quality.

摘要翻译： 提供了一种通过在宽带无线通信系统中使用测距信号来测量基站（BS）的信道质量的方法。 该方法包括估计通过测距信道接收的测距信号的时间偏移，通过使用包括时间偏移的测距信号来测量信道质量，通过使用时间偏移来确定在所测量的信道质量中是否发生失真，以及补偿 测量的通道质量。

公开(公告)号：US08244196B2

公开(公告)日：2012-08-14

申请号：US12363363

申请日：2009-01-30

申请人： Ha-Young Yang ,  Sung-Kwon Jo

发明人： Ha-Young Yang ,  Sung-Kwon Jo

IPC分类号： H04B1/10

CPC分类号： H04B17/345 ,  H04B17/26

摘要： A method is provided for estimating a Noise and Interference (NI) power in a ranging code reception apparatus in a communication system. The method includes generating S correlation values by calculating correlations between L ranging subcarriers received at a ranging code reception apparatus and L elements included in each of S ranging codes available in the ranging code reception apparatus, detecting N reception-desired ranging codes that the ranging code reception apparatus desires to receive, among the S ranging codes, using the S correlation values, and selecting M remaining ranging codes among (S-N) ranging codes obtained by removing the N reception-desired ranging codes from the S ranging codes, and estimating a first NI power using correlation values for the M remaining ranging codes.

摘要翻译： 提供一种用于估计通信系统中的测距码接收装置中的噪声和干扰（NI）功率的方法。 该方法包括通过计算在测距码接收装置处接收的L个测距子载波与包括在测距码接收装置中可用的S个测距码之中的L个元素之间的相关性来产生S个相关值，检测N个接收期望的测距码， 接收装置希望在S测距码之中使用S相关值，并且通过从S测距码中去除N个接收期望测距码而获得的（SN）测距码中选择M个剩余测距码，并且估计第一 NI功率使用M个剩余测距码的相关值。

公开(公告)号：US20080187071A1

公开(公告)日：2008-08-07

申请号：US12012730

申请日：2008-02-05

申请人： Ik-Beom Lee ,  Jae-Ho Jeon ,  Seung-Joo Maeng ,  Ha-Young Yang

发明人： Ik-Beom Lee ,  Jae-Ho Jeon ,  Seung-Joo Maeng ,  Ha-Young Yang

IPC分类号： H04L25/03

CPC分类号： H04W52/12 ,  H04L1/1812

摘要： Provided is an outer loop power control apparatus and method for a signal transmitter in a communication system. The outer loop power control method includes determining a first setpoint of a kth frame according to whether or not an error occurs in a (k−1)th frame, updating a second setpoint of the kth frame with the first setpoint of the kth frame if a difference value between the first setpoint of the kth frame and a second setpoint of the (k−1)th frame is greater than a first reference value, and transmitting a transmit power control message to a signal receiver at the kth frame if the difference value between first setpoint of the kth frame and the second setpoint of the (k−1)th frame is greater than a second reference value.

摘要翻译： 提供了一种用于通信系统中的信号发射机的外环功率控制装置和方法。 外环功率控制方法包括：根据第（k-1）^{帧中是否发生错误来确定第k个第帧的第一设定点，更新第 如果第k个第帧的第一设定点与第k个第帧的第一设定点之间的差值与 （k-1）帧的第二设定点大于第一参考值，并且在第k帧的信号接收器发送发射功率控制消息 如果第k 帧的第一设定点与（k-1）帧的第二设定点之间的差值大于第二参考值。}