公开(公告)号：US08537940B2

公开(公告)日：2013-09-17

申请号：US13018818

申请日：2011-02-01

申请人： Kun-Sui Hou

发明人： Kun-Sui Hou

IPC分类号： H03D1/00 ,  H04B1/00

CPC分类号： H04L27/0014 ,  H04L2027/0046 ,  H04L2027/0067 ,  H04L2027/0089

摘要： A wireless communication system includes: a frequency down-converting circuit for receiving a wireless signal and for performing frequency down-conversion on the wireless signal to output a frequency down-converted signal; a first training circuit for performing frequency comparison between the frequency down-converted signal and a plurality of candidate carrier signals having different frequencies so as to determine a plurality of selected carrier signals from the candidate carrier signals; a second training circuit for performing phase comparison between the frequency down-converted signal and phases of a pseudo-noise sequence at each of the selected carrier signals so as to determine a matching phase and a matching carrier; and a demodulator for demodulating the frequency down-converted signal according to the matching carrier and the matching phase so as to generate a demodulated signal.

摘要翻译： 无线通信系统包括：频率下变频电路，用于接收无线信号，并对无线信号执行频率下变频以输出降频转换信号; 第一训练电路，用于执行频率下变频信号与具有不同频率的多个候选载波信号之间的频率比较，以便从候选载波信号确定多个选定的载波信号; 第二训练电路，用于在所选择的载波信号中的每一个处执行下变频信号与伪噪声序列的相位之间的相位比较，以便确定匹配相位和匹配载波; 以及解调器，用于根据匹配载波和匹配相位解调降频转换信号，以产生解调信号。

公开(公告)号：US20130044839A1

公开(公告)日：2013-02-21

申请号：US13572767

申请日：2012-08-13

申请人： KUN-SUI HOU

发明人： KUN-SUI HOU

IPC分类号： H04L27/06

CPC分类号： G01S19/35 ,  G01S19/24 ,  H04L27/3818

摘要： The present invention relates to a wireless apparatus and the processing method thereof. The wireless apparatus according to the present invention comprises a demodulating circuit, a computing circuit, and a compensating circuit. The demodulating circuit receives and demodulates an input signal for producing a baseband signal. The computing circuit is coupled to the demodulating circuit and receives the baseband signal. It performs inner product on the baseband signal for producing an output signal. The compensating circuit is coupled to the computing circuit, and produces and transmits a compensation signal to the demodulating circuit according to the output signal for adjusting the demodulating circuit. Accordingly, by means of the computing circuit according to the present invention, erroneous outputs sent to the compensation circuit due to erroneous judgment of a signal received with large frequency deviation can he avoided effectively, and hence enhancing the efficiency of the wireless apparatus.

摘要翻译： 无线装置及其处理方法技术领域本发明涉及无线装置及其处理方法。 根据本发明的无线装置包括解调电路，计算电路和补偿电路。 解调电路接收并解调用于产生基带信号的输入信号。 计算电路耦合到解调电路并接收基带信号。 它在基带信号上执行内积以产生输出信号。 补偿电路耦合到计算电路，并根据用于调整解调电路的输出信号产生并向解调电路发送补偿信号。 因此，通过根据本发明的计算电路，可以有效地避免由于错误地判断以大的频率偏差接收的信号而向补偿电路发送的错误输出，从而提高无线装置的效率。

公开(公告)号：US20110216812A1

公开(公告)日：2011-09-08

申请号：US13041419

申请日：2011-03-06

申请人： Kai-Di Wu ,  Kun-Sui Hou

发明人： Kai-Di Wu ,  Kun-Sui Hou

IPC分类号： H04B1/707

CPC分类号： H04B1/707

摘要： A method for performing delay locked looping upon a received signal which reduces the asymmetry of auto-correlation function resulting from sampling is provided. The received signal is a spread spectrum code signal, and the method includes: generating a plurality of replica spread spectrum code signals according to an estimated code phase delay and phase spacing, the replica spread spectrum code signals having phases respectively different from the phase of the received signal; calculating a spread spectrum code error statistics signal according to the replica spread spectrum code signals and the received signal; and adjusting the estimated code phase delay according to the spread spectrum code error statistics signal and a phase difference between a sampled point of at least one replica spread spectrum code signal and a corresponding signal transition point.

摘要翻译： 提供了一种在接收信号上执行延迟锁定环路的方法，其减少了由采样产生的自相关函数的不对称性。 接收到的信号是扩频码信号，该方法包括：根据估计的码相位延迟和相位间隔产生多个复本扩频码信号，复制扩频码信号的相位分别与 接收信号; 根据复制扩频码信号和接收信号计算扩频码误差统计信号; 以及根据扩展频谱码误差统计信号调整估计码相位延迟，以及至少一个复本扩展频谱​​码信号的采样点与相应的信号转换点之间的相位差。

公开(公告)号：US20110194588A1

公开(公告)日：2011-08-11

申请号：US13018818

申请日：2011-02-01

申请人： Kun-Sui HOU

发明人： Kun-Sui HOU

IPC分类号： H04L7/04 ,  H04B1/00

CPC分类号： H04L27/0014 ,  H04L2027/0046 ,  H04L2027/0067 ,  H04L2027/0089

摘要： A wireless communication system includes: a frequency down-converting circuit for receiving a wireless signal and for performing frequency down-conversion on the wireless signal to output a frequency down-converted signal; a first training circuit for performing frequency comparison between the frequency down-converted signal and a plurality of candidate carrier signals having different frequencies so as to determine a plurality of selected carrier signals from the candidate carrier signals; a second training circuit for performing phase comparison between the frequency down-converted signal and phases of a pseudo-noise sequence at each of the selected carrier signals so as to determine a matching phase and a matching carrier; and a demodulator for demodulating the frequency down-converted signal according to the matching carrier and the matching phase so as to generate a demodulated signal.

摘要翻译： 无线通信系统包括：频率下变频电路，用于接收无线信号，并对无线信号执行频率下变频以输出降频转换信号; 第一训练电路，用于执行频率下变频信号与具有不同频率的多个候选载波信号之间的频率比较，以便从候选载波信号确定多个选定的载波信号; 第二训练电路，用于在所选择的载波信号中的每一个处执行下变频信号与伪噪声序列的相位之间的相位比较，以便确定匹配相位和匹配载波; 以及解调器，用于根据匹配载波和匹配相位解调降频转换信号，以产生解调信号。

公开(公告)号：US08565288B2

公开(公告)日：2013-10-22

申请号：US13041419

申请日：2011-03-06

申请人： Kai-Di Wu ,  Kun-Sui Hou

发明人： Kai-Di Wu ,  Kun-Sui Hou

IPC分类号： H04B1/00

CPC分类号： H04B1/707

摘要： A method for performing delay locked looping upon a received signal which reduces the asymmetry of auto-correlation function resulting from sampling is provided. The received signal is a spread spectrum code signal, and the method includes: generating a plurality of replica spread spectrum code signals according to an estimated code phase delay and phase spacing, the replica spread spectrum code signals having phases respectively different from the phase of the received signal; calculating a spread spectrum code error statistics signal according to the replica spread spectrum code signals and the received signal; and adjusting the estimated code phase delay according to the spread spectrum code error statistics signal and a phase difference between a sampled point of at least one replica spread spectrum code signal and a corresponding signal transition point.

摘要翻译： 提供了一种在接收信号上执行延迟锁定环路的方法，其减少了由采样产生的自相关函数的不对称性。 所接收的信号是扩频码信号，该方法包括：根据估计的码相位延迟和相位间隔产生多个复制扩频码信号，复制扩频码信号的相位分别不同于 接收信号; 根据复制扩频码信号和接收信号计算扩频码误差统计信号; 以及根据扩展频谱码误差统计信号调整估计码相位延迟，以及至少一个复本扩展频谱​​码信号的采样点与相应的信号转换点之间的相位差。