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公开(公告)号：US20100026385A1
公开(公告)日：2010-02-04
申请号：US12465623
申请日：2009-05-13
IPC分类号： G01R29/00
CPC分类号： H03F1/3247 , H03F1/3241 , H03F2200/468
摘要： A calibration device for a power amplifier includes a calculation unit, a first storage unit and a multiplier. The calculation unit is utilized for generating a calibration factor according to a value of a characteristic parameter of the power amplifier. The first storage unit coupled to the calculation unit, for storing the calibration factor. The multiplier is coupled to the first storage unit and a baseband unit, for multiplying a baseband signal outputted from the baseband unit by the calibration factor for generating an input signal to the power amplifier.
摘要翻译： 用于功率放大器的校准装置包括计算单元，第一存储单元和乘法器。 计算单元用于根据功率放大器的特性参数的值产生校准因子。 第一存储单元耦合到计算单元，用于存储校准因子。 乘法器耦合到第一存储单元和基带单元，用于将从基带单元输出的基带信号乘以校准因子，以产生输入信号到功率放大器。
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公开(公告)号：US07863975B2
公开(公告)日：2011-01-04
申请号：US12465623
申请日：2009-05-13
IPC分类号： G01R19/00
CPC分类号： H03F1/3247 , H03F1/3241 , H03F2200/468
摘要： A calibration device for a power amplifier includes a calculation unit, a first storage unit and a multiplier. The calculation unit is utilized for generating a calibration factor according to a value of a characteristic parameter of the power amplifier. The first storage unit coupled to the calculation unit, for storing the calibration factor. The multiplier is coupled to the first storage unit and a baseband unit, for multiplying a baseband signal outputted from the baseband unit by the calibration factor for generating an input signal to the power amplifier.
摘要翻译： 用于功率放大器的校准装置包括计算单元，第一存储单元和乘法器。 计算单元用于根据功率放大器的特性参数的值产生校准因子。 第一存储单元耦合到计算单元，用于存储校准因子。 乘法器耦合到第一存储单元和基带单元，用于将从基带单元输出的基带信号乘以校准因子，以产生输入信号到功率放大器。
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公开(公告)号：US07816984B2
公开(公告)日：2010-10-19
申请号：US12432767
申请日：2009-04-30
IPC分类号： H03F1/26
CPC分类号： H03F3/24 , H03F1/3247 , H03F3/195 , H03F2200/451 , H03F2201/3233
摘要： A lookup table generation method for a predistorter comprises sending a first single tone signal with a maximum expected amplitude to a channel simulation device including the power amplifier, estimating a closed loop gain and a closed loop phase of the power amplifier according to the first single tone signal and a first simulation output signal generated outputted by the channel simulation device, sending a plurality of single tone signals to the channel simulation device, each single tone signal having an amplitude different from all others of the plurality of single tone signals and lower than the maximum expected amplitude, generating a plurality of predistortion parameters according to the closed loop gain, the closed loop phase, the plurality of single tone signals and a plurality of simulation output signals outputted by the channel simulation device, and storing the plurality of predistortion parameters in a lookup table of the predistorter.
摘要翻译： 用于预失真器的查找表生成方法包括：向包括功率放大器的信道模拟设备发送具有最大预期幅度的第一单音调信号，根据第一单音调估计功率放大器的闭环增益和闭环相位 信号和由信道模拟装置输出的第一模拟输出信号，向信道模拟装置发送多个单音信号，每个单音调信号的振幅不同于多个单音信号中的所有其他频率，并低于 最大预期幅度，根据闭环增益，闭环相位，多个单音信号和由信道模拟装置输出的多个模拟输出信号产生多个预失真参数，并将多个预失真参数存储在 预失真器的查找表。
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公开(公告)号：US20100097137A1
公开(公告)日：2010-04-22
申请号：US12432767
申请日：2009-04-30
IPC分类号： H03F1/26
CPC分类号： H03F3/24 , H03F1/3247 , H03F3/195 , H03F2200/451 , H03F2201/3233
摘要： A lookup table generation method for a predistorter comprises sending a first single tone signal with a maximum expected amplitude to a channel simulation device including the power amplifier, estimating a closed loop gain and a closed loop phase of the power amplifier according to the first single tone signal and a first simulation output signal generated outputted by the channel simulation device, sending a plurality of single tone signals to the channel simulation device, each single tone signal having an amplitude different from all others of the plurality of single tone signals and lower than the maximum expected amplitude, generating a plurality of predistortion parameters according to the closed loop gain, the closed loop phase, the plurality of single tone signals and a plurality of simulation output signals outputted by the channel simulation device, and storing the plurality of predistortion parameters in a lookup table of the predistorter.
摘要翻译： 用于预失真器的查找表生成方法包括：向包括功率放大器的信道模拟设备发送具有最大预期幅度的第一单音调信号，根据第一单音调估计功率放大器的闭环增益和闭环相位 信号和由信道模拟装置输出的第一模拟输出信号，向信道模拟装置发送多个单音信号，每个单音调信号的振幅不同于多个单音信号中的所有其他频率，并低于 最大预期幅度，根据闭环增益，闭环相位，多个单音信号和由信道模拟装置输出的多个模拟输出信号产生多个预失真参数，并将多个预失真参数存储在 预失真器的查找表。
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5.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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6.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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7.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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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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公开(公告)号：US20100260083A1
公开(公告)日：2010-10-14
申请号：US12420824
申请日：2009-04-09
申请人： Yen-Chin Liao , Yung-Szu Tu , Chun-Hsien Wen , Jiunn-Tsair Chen
发明人： Yen-Chin Liao , Yung-Szu Tu , Chun-Hsien Wen , Jiunn-Tsair Chen
IPC分类号： H04B7/00
CPC分类号： H04L1/0009 , H04L1/0003 , H04L1/1867
摘要： The present invention provides a method for enhancing accuracy of rate adaptation in a transmitter of a wireless communication system, which comprises setting a plurality of scores indicating reliabilities of a plurality of MCSs of the wireless communication system during rate adaption procedures of the plurality of MCSs, and adjusting the plurality of scores according to a plurality of response messages indicating receiving statuses of a plurality of transmitted packets.
摘要翻译： 本发明提供了一种用于提高无线通信系统的发射机中的速率适应精度的方法，其包括：在多个MCS的速率适配过程期间，设置指示无线通信系统的多个MCS的可靠性的多个分数， 以及根据指示多个发送分组的接收状态的多个响应消息来调整多个分数。
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