公开(公告)号：US08897392B2

公开(公告)日：2014-11-25

申请号：US12942973

申请日：2010-11-09

申请人： Yu-Nan Lin ,  Kuang-Yu Yen

发明人： Yu-Nan Lin ,  Kuang-Yu Yen

IPC分类号： H04L27/00 ,  H04B7/06 ,  H04L27/26 ,  H04L25/02

CPC分类号： H04B7/0608 ,  H04B7/068 ,  H04L25/0204 ,  H04L27/2626

摘要： A transmit diversity method applied to a transmitting system includes the steps of: receiving a serial stream, and transforming the serial stream into a plurality of parallel streams, wherein each parallel stream is carried by a corresponding sub-carrier; and in light of each sub-carrier, selecting a single transmission path from at least two transmission paths of the transmitting system so as to transmit the parallel stream carried by the sub-carrier. The transmit diversity method further includes the step of: dividing the plurality of parallel streams carried by the sub-carries into M groups, wherein the parallel streams belonging to the same group are transmitted via selecting the same transmission path.

摘要翻译： 应用于发送系统的发送分集方法包括以下步骤：接收串行流，并将串行流变换为多个并行流，其中每个并行流由对应的子载波承载; 并且根据每个子载波，从发送系统的至少两个传输路径选择单个传输路径，以便发送由子载波携带的并行流。 发送分集方法还包括以下步骤：将由子载波携带的多个并行流划分为M组，其中通过选择相同的传输路径发送属于同一组的并行流。

公开(公告)号：US08204452B2

公开(公告)日：2012-06-19

申请号：US12195847

申请日：2008-08-21

申请人： Yu-Nan Lin ,  Kuang-Yu Yen

发明人： Yu-Nan Lin ,  Kuang-Yu Yen

IPC分类号： H04B1/02

CPC分类号： H04B1/0483

摘要： A signal transmission method includes: converting an input signal to generate a first converted signal having a first bandwidth, and a second converted signal having a second bandwidth; mixing the first converted signal with an oscillation signal to generate a first mixed signal, and mixing the second converted signal with the oscillation signal to generate a second mixed signal; and transmitting the first and second mixed signals by different antennas; wherein the input signal has a predetermined bandwidth, the first bandwidth is smaller than the predetermined bandwidth; and the second bandwidth is smaller than the predetermined bandwidth.

摘要翻译： 信号传输方法包括：转换输入信号以产生具有第一带宽的第一转换信号和具有第二带宽的第二转换信号; 将所述第一转换信号与振荡信号混合以产生第一混合信号，并将所述第二转换信号与所述振荡信号混合以产生第二混合信号; 以及通过不同的天线发射所述第一和第二混合信号; 其中所述输入信号具有预定带宽，所述第一带宽小于所述预定带宽; 并且第二带宽小于预定带宽。

公开(公告)号：US20120009892A1

公开(公告)日：2012-01-12

申请号：US13017037

申请日：2011-01-30

申请人： Kuang-Yu Yen ,  Chin-Yi Lin

发明人： Kuang-Yu Yen ,  Chin-Yi Lin

IPC分类号： H04B1/16

CPC分类号： H04B1/1027

摘要： A wireless communication system includes a receiving unit, a buffer unit, a determining unit, and an adjustment unit. The receiving unit receives a signal stream. The buffer unit is coupled to the receiving unit, for storing the signal stream by using a used depth. The determining unit is coupled to the receiving unit, for determining a signal receiving quality of the signal stream received from the receiving unit and accordingly generating a determining result. The adjustment unit is coupled to the determining unit and the buffer unit, for adjusting the used depth of the buffer unit according to the determining result.

摘要翻译： 无线通信系统包括接收单元，缓冲单元，确定单元和调整单元。 接收单元接收信号流。 缓冲单元耦合到接收单元，用于通过使用所使用的深度来存储信号流。 确定单元耦合到接收单元，用于确定从接收单元接收的信号流的信号接收质量，从而产生确定结果。 调整单元耦合到确定单元和缓冲单元，用于根据确定结果调整缓冲单元的使用深度。

公开(公告)号：US08090054B2

公开(公告)日：2012-01-03

申请号：US12099781

申请日：2008-04-08

申请人： Wei-Hung He ,  Chin-Tai Chen ,  Kuang-Yu Yen

发明人： Wei-Hung He ,  Chin-Tai Chen ,  Kuang-Yu Yen

IPC分类号： H03K9/00

CPC分类号： H04L27/0002 ,  H04B1/1036

摘要： A signal receiving apparatus includes a frequency converting circuit, a computing circuit, and a control circuit. The frequency converting circuit is for converting a RF signal to respectively generate a first converted signal and a second converted signal according to a first converting frequency and a second converting frequency. The computing circuit is for computing signal quality parameters of the first converted signal and the second converted signal. The control circuit is for outputting a control signal according to the signal quality parameters of the first converted signal and the second converted signal, wherein the control signal corresponds to the converting frequency of the frequency converting circuit.

摘要翻译： 信号接收装置包括频率转换电路，计算电路和控制电路。 频率转换电路用于根据第一转换频率和第二转换频率转换RF信号以分别产生第一转换信号和第二转换信号。 计算电路用于计算第一转换信号和第二转换信号的信号质量参数。 控制电路用于根据第一转换信号和第二转换信号的信号质量参数输出控制信号，其中控制信号对应于变频电路的转换频率。

公开(公告)号：US07599010B2

公开(公告)日：2009-10-06

申请号：US10908275

申请日：2005-05-05

申请人： Kuang-Yu Yen ,  Liang-Hui Lee ,  Jackie K. Cheng ,  Thomas Francis Baker ,  Kuangyu Li

发明人： Kuang-Yu Yen ,  Liang-Hui Lee ,  Jackie K. Cheng ,  Thomas Francis Baker ,  Kuangyu Li

IPC分类号： H04N5/50 ,  H03M1/12

CPC分类号： H04N5/4446 ,  H04N5/46 ,  H04N21/42638

摘要： The present invention provides a TV receiver and an analog TV signal processing method. The TV receiver includes a tuner, an analog-to-digital converter, and a digital filter module. The tuner is utilized to receive an RF signal and generate a first signal; the analog-to-digital converter is coupled to the tuner for converting the first signal to a digital signal, and the digital filter module is coupled to the analog-to-digital converter for filtering the digital signal in order to filter an analog TV signal contained in the RF signal in digital domain.

摘要翻译： 本发明提供一种电视接收机和模拟电视信号处理方法。 电视接收机包括调谐器，模数转换器和数字滤波器模块。 调谐器用于接收RF信号并产生第一信号; 模数转换器耦合到调谐器，用于将第一信号转换为数字信号，并且数字滤波器模块耦合到模数转换器，用于对数字信号进行滤波，以便滤除模拟电视信号 包含在数字领域的RF信号中。

公开(公告)号：US07551696B2

公开(公告)日：2009-06-23

申请号：US10710539

申请日：2004-07-20

申请人： Chun-Ming Cho ,  Kuang-Yu Yen

发明人： Chun-Ming Cho ,  Kuang-Yu Yen

IPC分类号： H04L27/06

CPC分类号： H04L25/03159 ,  H04L27/2647

摘要： A method for detecting inter-symbol interference (ISI) in an OFDM system includes the steps of computing a first correlation value representing the correlation between a plurality of first signals of a first symbol and a plurality of second signals of a second symbol previous to the first symbol, wherein the first and the second signals are both transmitted via the same sub-carriers; computing a second correlation value representing the correlation between the first signals and a plurality of third signals of a third symbol next to the first symbol, wherein the first and the third signals are both transmitted via the same sub-carriers; comparing the first correlation value with the second correlation value; and adjusting the timing of the boundary according to the comparison result.

摘要翻译： 一种用于检测OFDM系统中的符号间干扰（ISI）的方法包括以下步骤：计算表示第一符号的多个第一信号与第二符号之前的第二符号的多个第二信号之间的相关性的第一相关值 第一符号，其中第一和第二信号都经由相同的子载波传输; 计算表示第一信号与第一符号之后的第三符号的多个第三信号之间的相关性的第二相关值，其中第一和第三信号都经由相同的子载波传输; 将所述第一相关值与所述第二相关值进行比较; 并根据比较结果调整边界的定时。

公开(公告)号：US07548504B2

公开(公告)日：2009-06-16

申请号：US10908072

申请日：2005-04-27

申请人： Kuang-Yu Yen

发明人： Kuang-Yu Yen

IPC分类号： G11B20/10

CPC分类号： G11B20/10009 ,  G11B7/005

摘要： An input sampling circuit for processing a disc read back signal to generate a digital signal includes an auto gain control (AGC) unit for adjusting a gain value of the disc read back signal, a low-pass filter/equalizer (LPF/EQ) coupled to the AGC unit for low-pass filtering/equalizing the disc read back signal to generate an output signal, and an analog-to-digital converter (ADC) coupled to the LPF/EQ for performing analog-to-digital conversion on the output signal across a conversion range that is narrower than a dynamic range of the output signal to convert the output signal into the digital signal.

摘要翻译： 用于处理盘读回信号以产生数字信号的输入采样电路包括用于调节盘读回信号的增益值的自动增益控制（AGC）单元，耦合到低通滤波器/均衡器（LPF / EQ） 到AGC单元，用于对盘回读信号进行低通滤波/均衡以产生输出信号;以及耦合到LPF / EQ的模数转换器（ADC），用于对输出进行模数转换 信号跨越比输出信号的动态范围窄的转换范围，以将输出信号转换成数字信号。

公开(公告)号：US20090054012A1

公开(公告)日：2009-02-26

申请号：US12195847

申请日：2008-08-21

申请人： Yu-Nan Lin ,  Kuang-Yu Yen

发明人： Yu-Nan Lin ,  Kuang-Yu Yen

IPC分类号： H04B1/02

CPC分类号： H04B1/0483

摘要： A signal transmission method includes: converting an input signal to generate a first converted signal having a first bandwidth, and a second converted signal having a second bandwidth; mixing the first converted signal with an oscillation signal to generate a first mixed signal, and mixing the second converted signal with the oscillation signal to generate a second mixed signal; and transmitting the first and second mixed signals by different antennas; wherein the input signal has a predetermined bandwidth, the first bandwidth is smaller than the predetermined bandwidth; and the second bandwidth is smaller than the predetermined bandwidth.

摘要翻译： 信号传输方法包括：转换输入信号以产生具有第一带宽的第一转换信号和具有第二带宽的第二转换信号; 将所述第一转换信号与振荡信号混合以产生第一混合信号，并将所述第二转换信号与所述振荡信号混合以产生第二混合信号; 以及通过不同的天线发射所述第一和第二混合信号; 其中所述输入信号具有预定带宽，所述第一带宽小于所述预定带宽; 并且第二带宽小于预定带宽。

公开(公告)号：US07496022B2

公开(公告)日：2009-02-24

申请号：US11160045

申请日：2005-06-07

申请人： Kuang-Yu Yen

发明人： Kuang-Yu Yen

IPC分类号： G11B7/00

CPC分类号： G11B20/10 ,  G11B7/0053 ,  H03L7/06 ,  H04L7/0037

摘要： A detection apparatus of an optical storage device for detecting a synchronization signal includes a sampling module for sampling a disc signal to generate a plurality of sampled data, a comparing module coupled to the sampling module for comparing the sampled data and a synchronization pattern to generate a first compared result and to generate a second comparing result after a time interval, and an adjusting module coupled to the comparing module for gathering a statistic of the first and the second comparing results to generate an adjusting signal for adjusting a phase of the sampling clock.

摘要翻译： 用于检测同步信号的光学存储装置的检测装置包括：采样模块，用于对盘信号采样以产生多个采样数据;比较模块，耦合到采样模块，用于比较采样数据和同步模式， 第一比较结果并在时间间隔之后产生第二比较结果;以及调整模块，耦合到比较模块，用于收集第一和第二比较结果的统计量，以产生用于调整采样时钟的相位的调整信号。

公开(公告)号：US07406127B2

公开(公告)日：2008-07-29

申请号：US10908979

申请日：2005-06-02

申请人： Chun-Ming Cho ,  Kuang-Yu Yen

发明人： Chun-Ming Cho ,  Kuang-Yu Yen

IPC分类号： H04K1/10

CPC分类号： H04L27/2662 ,  H04L2025/03414

摘要： A boundary tracking method applied in an OFDM receiver includes generating a plurality of demodulated signal sets corresponding to part of sub-carriers of a packet according to different boundaries with different positions located at the packet, determining the most precise one of the boundaries according to a plurality of inter-symbol interference (ISI) values according to the demodulated signal sets, and calibrating a timing of a currently utilized boundary.

摘要翻译： 在OFDM接收机中应用的边界跟踪方法包括根据位于分组处的不同位置根据不同的边界产生对应于分组的子载波的一部分的多个解调信号集，根据一个 根据解调信号组的多个符号间干扰（ISI）值，并且校准当前使用的边界的定时。