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1.发明授权Method of detecting transmission channel and related wireless communication system 有权检测传输通道及相关无线通信系统的方法公开(公告)号：US08254479B2
公开(公告)日：2012-08-28
申请号：US12501486
申请日：2009-07-12
申请人： Yung-Szu Tu , Jiunn-Tsair Chen , Yen-Chin Liao , Cheng-Hsuan Wu
发明人： Yung-Szu Tu , Jiunn-Tsair Chen , Yen-Chin Liao , Cheng-Hsuan Wu
CPC分类号： H04L25/0212 , H04L25/022 , H04L25/0222 , H04L25/0224
摘要： A method and related system of transmission channel detection condition in a wireless communication system are disclosed. The method includes receiving a symbol, performing a channel estimation operation to generate a channel estimation result according to the symbol, performing a cross correlation operation on the channel estimation result and an initial channel estimation result to generate an operation result, and determining whether the condition of the transmission channel have changed or not.
摘要翻译： 公开了一种在无线通信系统中的传输信道检测条件的方法和相关系统。 该方法包括接收符号，执行信道估计操作以根据符号生成信道估计结果，对信道估计结果执行互相关操作和初始信道估计结果以产生操作结果，以及确定条件 的传输通道已经改变了。
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2.发明申请Method and Apparatus for Simplifying a Probabilistic Rate Adaptation Procedure in a Wireless Communication System 审中-公开用于简化无线通信系统中概率速率适应过程的方法和装置公开(公告)号：US20100272167A1
公开(公告)日：2010-10-28
申请号：US12430893
申请日：2009-04-28
申请人： Yen-Chin Liao , Yung-Szu Tu , Cheng-Hsuan Wu , Jiunn-Tsair Chen
发明人： Yen-Chin Liao , Yung-Szu Tu , Cheng-Hsuan Wu , Jiunn-Tsair Chen
IPC分类号： H04B17/00
CPC分类号： H04L1/0021 , H04L1/0003 , H04L1/0009 , H04L1/1607
摘要： The present invention provides a method for simplifying a probabilistic rate adaptation procedure in a wireless communication system, which comprises calculating a conditional probability density function of SNR of a transmitted signal by the probabilistic rate adaptation procedure, to generate an SNR estimation result, taking logarithm on the SNR estimation result to generate a logarithm result, and partitioning SNR values into a plurality of regions according to the logarithm result, to generate a discrete function from the SNR estimation result.
摘要翻译： 本发明提供了一种用于简化无线通信系统中的概率速率自适应过程的方法，其包括通过概率速率自适应过程计算发射信号的SNR的条件概率密度函数，以产生SNR估计结果，以对数 所述SNR估计结果产生对数结果，并且根据所述对数结果将SNR值分割成多个区域，以从所述SNR估计结果生成离散函数。
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3.发明申请Method of Detecting Transmission Channel and Related Wireless Communication System 有权检测传输通道及相关无线通信系统的方法公开(公告)号：US20100272198A1
公开(公告)日：2010-10-28
申请号：US12501486
申请日：2009-07-12
申请人： Yung-Szu Tu , Jiunn-Tsair Chen , Yen-Chin Liao , Cheng-Hsuan Wu
发明人： Yung-Szu Tu , Jiunn-Tsair Chen , Yen-Chin Liao , Cheng-Hsuan Wu
CPC分类号： H04L25/0212 , H04L25/022 , H04L25/0222 , H04L25/0224
摘要： A method and related system of transmission channel detection condition in a wireless communication system are disclosed. The method includes receiving a symbol, performing a channel estimation operation to generate a channel estimation result according to the symbol, performing a cross correlation operation on the channel estimation result and an initial channel estimation result to generate an operation result, and determining whether the condition of the transmission channel have changed or not.
摘要翻译： 公开了一种在无线通信系统中的传输信道检测条件的方法和相关系统。 该方法包括接收符号，执行信道估计操作以根据符号生成信道估计结果，对信道估计结果执行互相关操作和初始信道估计结果以产生操作结果，以及确定条件 的传输通道已经改变了。
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4.发明授权公开(公告)号：US08145154B2
公开(公告)日：2012-03-27
申请号：US12479838
申请日：2009-06-07
CPC分类号： H04B17/336 , H04L1/0003
摘要： An approximation method for SNR soft information for a transmitter of a communications system includes obtaining a conditional probability density function (PDF) corresponding to a response message of a transmitted packet, obtaining a PDF of a probability distribution model, and a mean and a variance of the PDF, by approximating the conditional PDF corresponding to the response message with the probability distribution model, and calculating a second mean and a second variance of a second PDF approximated to a conditional PDF of SNR corresponding to the transmitted packet according to the mean and the variance of the PDF, and a first mean and a first variance of a first PDF approximated to a conditional PDF of SNR corresponding to another transmitted packet immediately preceding the transmitted packet.
摘要翻译： 用于通信系统的发射机的SNR软信息的近似方法包括获得与发送分组的响应消息相对应的条件概率密度函数（PDF），获得概率分布模型的PDF，以及平均和方差 PDF，通过近似具有概率分布模型的响应消息对应的条件PDF，并且根据平均值和平均值计算近似于与所发送的分组相对应的SNR的条件PDF的第二PDF的第二平均值和第二方差 PDF的方差，以及近似于紧邻发送的分组之前的另一发送分组的对应于条件的条件PDF的第一PDF的第一均值和第一方差。
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5.发明申请Method and Apparatus of Subcarrier Grouping for a Wireless Communication System 审中-公开用于无线通信系统的子载波分组的方法和装置公开(公告)号：US20110026392A1
公开(公告)日：2011-02-03
申请号：US12637733
申请日：2009-12-14
申请人： Chun-Hsien Wen , Jiunn-Tsair Chen , Cheng-Hsuan Wu , Yung-Szu Tu
发明人： Chun-Hsien Wen , Jiunn-Tsair Chen , Cheng-Hsuan Wu , Yung-Szu Tu
CPC分类号： H04L5/0007 , H04L5/0039 , H04L5/006 , H04L5/0064
摘要： A method sub-carrier grouping for a wireless communication system including a plurality of sub-carriers is disclosed. The method includes determining a coherent bandwidth of the plurality of sub-carriers, and dividing the plurality of sub-carriers into a plurality of sub-carrier groups according to the coherent bandwidth, wherein the size of each sub-carrier group is smaller than or equal to the coherent bandwidth.
摘要翻译： 公开了一种用于包括多个子载波的无线通信系统的方法子载波分组。 该方法包括确定多个子载波的相干带宽，并根据相干带宽将多个子载波分成多个子载波组，其中每个子载波组的大小小于或等于 等于相干带宽。
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6.发明申请Method and Apparatus for Determining a Position of a Mobile Station in a Wireless Communication System 审中-公开用于确定无线通信系统中的移动台的位置的方法和装置公开(公告)号：US20100289699A1
公开(公告)日：2010-11-18
申请号：US12614450
申请日：2009-11-09
IPC分类号： G01S3/02
CPC分类号： G01S5/0294
摘要： A method for determining a position of a mobile station in a wireless communication system includes generating a state equation set according to a current state of the mobile station, for predicting a position and a velocity of the mobile station after a predetermined period, and corresponding the state equation set to a graphic interface for calculating the position and the velocity after the predetermined period.
摘要翻译： 一种用于确定无线通信系统中的移动台的位置的方法包括根据移动台的当前状态生成一个状态方程组，用于在预定时段之后预测移动台的位置和速度，并且对应于 状态方程设置为用于计算预定时段之后的位置和速度的图形界面。
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7.发明申请METHOD AND APPARATUS OF USING SOFT INFORMATION FOR ENHANCING ACCURACY OF POSITION ESTIMATION FOR A WIRELESS COMMUNICATION SYSTEM 审中-公开使用软件信息提高无线通信系统位置估计精度的方法与装置公开(公告)号：US20100295734A1
公开(公告)日：2010-11-25
申请号：US12614437
申请日：2009-11-08
IPC分类号： G01S5/02
CPC分类号： G01S13/876 , G01S5/0205
摘要： A method of enhancing accuracy of position estimation for a wireless communication system includes receiving a plurality of input measurements required for estimating a position of a target, and generating a plurality of Gaussian probability density functions corresponding to the plurality of input measurements, the plurality of Gaussian probability density functions being used for estimating the position of the target.
摘要翻译： 一种增强无线通信系统的位置估计精度的方法包括：接收估计目标位置所需的多个输入测量值，以及生成与多个输入测量对应的多个高斯概率密度函数，所述多个高斯 概率密度函数用于估计目标的位置。
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8.发明申请METHOD OF EXAMINING ELIGIBILITY OF A MODULATION AND CODING SCHEME FOR A COMMUNICATIONS SYSTEM 审中-公开检查通信系统调制和编码方案的资格的方法公开(公告)号：US20100260249A1
公开(公告)日：2010-10-14
申请号：US12554993
申请日：2009-09-08
申请人： Yung-Szu Tu , Jiunn-Tsair Chen , Chun-Hsien Wen , Cheng-Hsuan Wu
发明人： Yung-Szu Tu , Jiunn-Tsair Chen , Chun-Hsien Wen , Cheng-Hsuan Wu
IPC分类号： H04Q1/20
CPC分类号： H04L1/20 , H04L1/0003 , H04L1/0009 , H04L1/1607 , H04L27/0008
摘要： A method of examining the eligibility of a modulation and coding scheme includes determining a range of pseudo signal-to-noise ratio (pseudo-SNR) corresponding to a range of packet correct rate (PCR) acceptable for a transmitter, obtaining a first score of a positive acknowledgement (ACK) and a second score of a negative acknowledgement (NACK) according to the range of pseudo-SNR and the range of PCR, applying weighting to a score of a response message, which is one of an ACK message and a NACK message, and a pseudo-SNR corresponding to an immediately preceding response message when receiving the response message, for generating a pseudo-SNR corresponding to the response message, and examining the eligibility of a modulation and coding scheme in use according to the pseudo-SNR corresponding to the response message.
摘要翻译： 检查调制和编码方案的资格的方法包括确定与发射机可接受的分组正确率（PCR）的范围相对应的伪信号噪声比（伪SNR）的范围，获得第 根据伪SNR的范围和PCR的范围的肯定确认（ACK）和否定确认（NACK）的第二分数，对作为ACK消息和ACK消息之一的响应消息的分数应用加权 NACK消息，以及当接收到响应消息时对应于紧接在前的响应消息的伪SNR，用于生成与响应消息相对应的伪SNR，并且根据伪随机数来检查正在使用的调制和编码方案的资格， SNR对应于响应消息。
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9.发明申请APPROXIMATION METHOD FOR SIGNAL-TO-NOISE RATIO SOFT INFORMATION FOR A COMMUNICATIONS SYSTEM 有权用于通信系统的信号噪声比率软信息的近似方法公开(公告)号：US20100190457A1
公开(公告)日：2010-07-29
申请号：US12479838
申请日：2009-06-07
IPC分类号： H04B17/00
CPC分类号： H04B17/336 , H04L1/0003
摘要： An approximation method for SNR soft information for a transmitter of a communications system includes obtaining a conditional probability density function (PDF) corresponding to a response message of a transmitted packet, obtaining a PDF of a probability distribution model, and a mean and a variance of the PDF, by approximating the conditional PDF corresponding to the response message with the probability distribution model, and calculating a second mean and a second variance of a second PDF approximated to a conditional PDF of SNR corresponding to the transmitted packet according to the mean and the variance of the PDF, and a first mean and a first variance of a first PDF approximated to a conditional PDF of SNR corresponding to another transmitted packet immediately preceding the transmitted packet.
摘要翻译： 用于通信系统的发射机的SNR软信息的近似方法包括获得与发送分组的响应消息相对应的条件概率密度函数（PDF），获得概率分布模型的PDF，以及平均和方差 PDF，通过近似具有概率分布模型的响应消息对应的条件PDF，并且根据平均值和平均值计算近似于与所发送的分组相对应的SNR的条件PDF的第二PDF的第二均值和第二方差 PDF的方差，以及近似于紧邻发送的分组之前的另一发送分组的对应于条件的条件PDF的第一PDF的第一均值和第一方差。
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公开(公告)号：US08374074B2
公开(公告)日：2013-02-12
申请号：US12941964
申请日：2010-11-08
申请人： Yen-Chin Liao , Cheng-Hsuan Wu , Yung-Szu Tu
发明人： Yen-Chin Liao , Cheng-Hsuan Wu , Yung-Szu Tu
IPC分类号： H04J11/00
CPC分类号： H04L27/2621
摘要： A method of reducing a signal peak to average power ratio (PAPR) for a transmission channel in a wireless communication system is disclosed. The transmission channel is divided into a plurality of channel segments, and the method includes calculating PAPRs corresponding to the plurality of channel segments by a plurality of phase rotation vectors; selecting a plurality of specified phase rotation vectors from the plurality of phase rotation vectors according to the calculated PAPRs; and using one of the plurality of specified phase rotation vectors to rotate a phase of a signal to be transmitted.
摘要翻译： 公开了一种降低无线通信系统中的传输信道的信号峰均功率比（PAPR）的方法。 传输信道被划分为多个信道段，并且该方法包括通过多个相位旋转矢量来计算与多个信道段相对应的PAPR; 根据所计算的PAPR从多个相位旋转矢量中选择多个规定的相位旋转矢量; 以及使用所述多个指定相位旋转矢量中的一个旋转要发送的信号的相位。
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