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1.发明授权Signal transmitting apparatus for OFDM system and parameter adjusting method thereof 失效OFDM系统的信号发送装置及其参数调整方法公开(公告)号：US08576944B2
公开(公告)日：2013-11-05
申请号：US12418068
申请日：2009-04-03
申请人： Jiunn Tsair Chen , Yun Shen Chang , Chih Hung Lin
发明人： Jiunn Tsair Chen , Yun Shen Chang , Chih Hung Lin
CPC分类号： H04L27/2614
摘要： A signal transmitting apparatus for orthogonal frequency division multiplexing (OFDM) system comprises a compandor, a predistortor, a power amplifier and a feedback module. The compandor is configured to compress and expand a transmitted signal. The predistortor is configured to perform a predistortion operation on output signals of the compandor. The power amplifier is configured to amplify output signals of the predistortor. The feedback module is configured to adjust parameters of the compandor and the predistortor based on a feedback signal.
摘要翻译： 用于正交频分复用（OFDM）系统的信号发送装置包括压缩器，预失真器，功率放大器和反馈模块。 压缩器被配置为压缩和扩展发送的信号。 预失真器被配置为对压缩器的输出信号执行预失真操作。 功率放大器配置为放大预驱动器的输出信号。 反馈模块被配置为基于反馈信号调整压缩器和预失真器的参数。
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2.发明申请SIGNAL TRANSMITTING APPARATUS FOR OFDM SYSTEM AND PARAMETER ADJUSTING METHOD THEREOF 失效OFDM系统的信号发送装置及其参数调整方法公开(公告)号：US20090262862A1
公开(公告)日：2009-10-22
申请号：US12418068
申请日：2009-04-03
申请人： Jiunn Tsair Chen , Yun Shen Chang , Chih Hung Lin
发明人： Jiunn Tsair Chen , Yun Shen Chang , Chih Hung Lin
IPC分类号： H04L27/36
CPC分类号： H04L27/2614
摘要： A signal transmitting apparatus for orthogonal frequency division multiplexing (OFDM) system comprises a compandor, a predistortor, a power amplifier and a feedback module. The compandor is configured to compress and expand a transmitted signal. The predistortor is configured to perform a predistortion operation on output signals of the compandor. The power amplifier is configured to amplify output signals of the predistortor. The feedback module is configured to adjust parameters of the compandor and the predistortor based on a feedback signal.
摘要翻译： 用于正交频分复用（OFDM）系统的信号发送装置包括压缩器，预失真器，功率放大器和反馈模块。 压缩器被配置为压缩和扩展发送的信号。 预失真器被配置为对压缩器的输出信号执行预失真操作。 功率放大器配置为放大预驱动器的输出信号。 反馈模块被配置为基于反馈信号调整压缩器和预失真器的参数。
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公开(公告)号：US20100182198A1
公开(公告)日：2010-07-22
申请号：US12499635
申请日：2009-07-08
IPC分类号： H01Q3/00
CPC分类号： H01Q3/2605 , H04B7/0617 , H04B7/0634 , H04B7/0663 , H04L25/0248 , H04L25/03343 , H04L25/03949 , H04L25/03961 , H04L2025/03802 , H04W16/28 , H04W24/00
摘要： The method for beamforming in a wireless communication system comprises the steps of: receiving a sounding packet so as to estimate channel state information between a transmitter and a receiver; generating a beamforming matrix in accordance with the channel state information; generating a beamforming steering matrix by multiplying the beamforming matrix by a rotation matrix; and feeding back the beamforming steering matrix.
摘要翻译： 无线通信系统中波束成形的方法包括以下步骤：接收探测分组，以估计发射机与接收机之间的信道状态信息; 根据信道状态信息生成波束成形矩阵; 通过将所述波束形成矩阵乘以旋转矩阵来生成波束成形导引矩阵; 并反馈波束形成导向矩阵。
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公开(公告)号：US08217834B2
公开(公告)日：2012-07-10
申请号：US12499635
申请日：2009-07-08
IPC分类号： H01Q3/00
CPC分类号： H01Q3/2605 , H04B7/0617 , H04B7/0634 , H04B7/0663 , H04L25/0248 , H04L25/03343 , H04L25/03949 , H04L25/03961 , H04L2025/03802 , H04W16/28 , H04W24/00
摘要： The method for beamforming in a wireless communication system comprises the steps of: receiving a sounding packet so as to estimate channel state information between a transmitter and a receiver; generating a beamforming matrix in accordance with the channel state information; generating a beamforming steering matrix by multiplying the beamforming matrix by a rotation matrix; and feeding back the beamforming steering matrix.
摘要翻译： 无线通信系统中波束成形的方法包括以下步骤：接收探测分组，以估计发射机与接收机之间的信道状态信息; 根据信道状态信息生成波束成形矩阵; 通过将所述波束形成矩阵乘以旋转矩阵来生成波束成形导引矩阵; 并反馈波束形成导向矩阵。
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公开(公告)号：US20100142459A1
公开(公告)日：2010-06-10
申请号：US12499658
申请日：2009-07-08
申请人： Yung Szu Tu , Jiunn Tsair Chen , Chun Hsien Wen , Yen Chin Liao
发明人： Yung Szu Tu , Jiunn Tsair Chen , Chun Hsien Wen , Yen Chin Liao
CPC分类号： H04L1/0015 , H04L1/0003 , H04L1/06
摘要： A method for selecting a modulation and coding scheme (MCS) applied to a multiple-antenna system. The method calculates the throughout of a plurality of MCSs based on the signal to noise ratio of the multiple-antenna system and selects a MCS from the plurality of MCSs accordingly.
摘要翻译： 一种用于选择应用于多天线系统的调制和编码方案（MCS）的方法。 该方法基于多天线系统的信噪比来计算多个MCS的整体，并相应地从多个MCS中选择MCS。
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6.发明申请SIMULATION METHOD FOR A WIRELESS COMMUNICATION SYSTEM INCLUDING MULTIPLE ANTENNAS AND MULTIPLE NODES 审中-公开一种无线通信系统的仿真方法，包括多个天线和多个天线公开(公告)号：US20100324876A1
公开(公告)日：2010-12-23
申请号：US12643815
申请日：2009-12-21
申请人： Cheng Hsuan Wu , Chun Hsien Wen , Jiunn Tsair Chen
发明人： Cheng Hsuan Wu , Chun Hsien Wen , Jiunn Tsair Chen
IPC分类号： G06F17/50
CPC分类号： H04W16/22
摘要： A simulation method for a wireless communication system with multiple antennas and multiple nodes is disclosed. The method adopts a separable correlation channel model to simulate a wireless communication system with multiple antennas and multiple nodes, wherein in this model the nodes in the same area are correlated, and the nodes in different areas are not correlated.
摘要翻译： 公开了一种具有多个天线和多个节点的无线通信系统的仿真方法。 该方法采用可分离的相关信道模型模拟具有多个天线和多个节点的无线通信系统，其中在该模型中，相同区域中的节点相互关联，不同区域中的节点不相关。
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公开(公告)号：US08207884B2
公开(公告)日：2012-06-26
申请号：US12273080
申请日：2008-11-18
申请人： Chun Hsien Wen , Chih Kun Chang , Jiunn Tsair Chen
发明人： Chun Hsien Wen , Chih Kun Chang , Jiunn Tsair Chen
摘要： A method for detecting radar signals comprises the steps of: receiving signals detected by a master device; receiving signals detected by a slave device; detecting radar pulses from the signals received by the master device; detecting radar pulses from the signals received by the slave device; and determining radar signals by combining the radar pulses detected by the master device and slave device.
摘要翻译： 一种用于检测雷达信号的方法包括以下步骤：接收由主设备检测到的信号; 接收由从设备检测到的信号; 从主设备接收的信号中检测雷达脉冲; 从从设备接收的信号中检测雷达脉冲; 并通过组合由主设备和从设备检测到的雷达脉冲来确定雷达信号。
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公开(公告)号：US08135032B2
公开(公告)日：2012-03-13
申请号：US12498960
申请日：2009-07-07
申请人： Yung Szu Tu , Jiunn Tsair Chen
发明人： Yung Szu Tu , Jiunn Tsair Chen
CPC分类号： H04W28/22 , H04L1/0002
摘要： A rate adaptation method comprises the steps of: updating the probability density function of the SNR of a transmitted signal according to the receiving status of the transmitted signal and the probability density function before update; and updating the transmission rate of the transmitted signal according the updated probability density function.
摘要翻译： 速率适配方法包括以下步骤：根据发送信号的接收状态和更新前的概率密度函数，更新发送信号的SNR的概率密度函数; 以及根据更新的概率密度函数来更新发送信号的传输速率。
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公开(公告)号：US20100135320A1
公开(公告)日：2010-06-03
申请号：US12498960
申请日：2009-07-07
申请人： Yung Szu Tu , Jiunn Tsair Chen
发明人： Yung Szu Tu , Jiunn Tsair Chen
IPC分类号： H04L29/02
CPC分类号： H04W28/22 , H04L1/0002
摘要： A rate adaptation method comprises the steps of: updating the probability density function of the SNR of a transmitted signal according to the receiving status of the transmitted signal and the probability density function before update; and updating the transmission rate of the transmitted signal according the updated probability density function.
摘要翻译： 速率适配方法包括以下步骤：根据发送信号的接收状态和更新前的概率密度函数，更新发送信号的SNR的概率密度函数; 以及根据更新的概率密度函数来更新发送信号的传输速率。
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公开(公告)号：US08022858B2
公开(公告)日：2011-09-20
申请号：US12237649
申请日：2008-09-25
申请人： Chun Hsien Wen , Jiunn Tsair Chen
发明人： Chun Hsien Wen , Jiunn Tsair Chen
IPC分类号： G01S7/42
CPC分类号： G01S7/021
摘要： A method for detecting radar signal comprises the steps of: receiving a signal by a receiver, wherein the strength of the received signal is controlled within a range; sampling the received signal so as to obtain a plurality of sampling values; dividing the sampling values into a plurality of segments; summing up the absolute values of the sampling values in each segment; and determining that the received signal includes radar signals if at least one summation is greater than a threshold.
摘要翻译： 一种用于检测雷达信号的方法包括以下步骤：由接收机接收信号，其中接收信号的强度被控制在一个范围内; 对接收到的信号进行采样，以获得多个采样值; 将采样值分成多个段; 总结每个段中采样值的绝对值; 以及如果至少一个求和大于阈值，则确定所接收的信号包括雷达信号。
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