公开(公告)号：US20080292009A1

公开(公告)日：2008-11-27

申请号：US11776000

申请日：2007-07-11

申请人： Juinn-Hurng Deng ,  Jeng-Kuang Hwang ,  Yu-Min Chuang

发明人： Juinn-Hurng Deng ,  Jeng-Kuang Hwang ,  Yu-Min Chuang

IPC分类号： H04K1/10

CPC分类号： H04L5/0007 ,  H04B7/0413 ,  H04W12/02

摘要： The present invention relates to a multiple-input-multiple-output (MIMO) wireless transmission system and a transmission method thereof. A wireless transmitting system thereof receives encoded data via a first processing unit, which processes the encoded data and outputs the encoded data to a plurality of modulation units for modulating the encoded data to produce a plurality of modulated data. A plurality of first conversion units converts the plurality of modulated data to a plurality of transmitting signals. A plurality of radio-frequency (RF) circuits receives the plurality of transmitting signals and transmits RF signals according to the frequency-hopping sequence of a piconet. A plurality of receiving processing units of a wireless receiving system according to the present invention receives the RF signals, respectively, according to the frequency-hopping sequence of the piconet and transmits to a plurality of second conversion units for converting the RF signals to received data. A switching circuit switches the received data according to the frequency-hopping sequence of the piconet. A plurality of demodulation units demodulates the switched received data to produce demodulated data. A second processing unit received the demodulated data, and processes the demodulated data to output demodulated data. A decoding unit decodes the demodulated data output by the second processing unit to produce output data.

摘要翻译： 本发明涉及多输入多输出（MIMO）无线传输系统及其传输方法。 其无线发送系统经由第一处理单元接收编码数据，处理编码数据并将编码数据输出到多个调制单元，用于调制编码数据以产生多个调制数据。 多个第一转换单元将多个调制数据转换为多个发送信号。 多个射频（RF）电路接收多个发送信号，并根据微微网的跳频序列发送RF信号。 根据本发明的无线接收系统的多个接收处理单元分别根据微微网的跳频序列接收RF信号，并发送到多个第二转换单元，用于将RF信号转换为接收数据 。 开关电路根据微微网的跳频序列切换接收到的数据。 多个解调单元对切换的接收数据进行解调以产生解调数据。 第二处理单元接收解调数据，并处理解调数据以输出解调数据。 解码单元解码由第二处理单元输出的解调数据以产生输出数据。

公开(公告)号：US20080118016A1

公开(公告)日：2008-05-22

申请号：US11601744

申请日：2006-11-20

申请人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng

发明人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng

IPC分类号： H04L7/00 ,  H04L27/00

CPC分类号： H04L27/2655 ,  H04L27/2613 ,  H04L27/2656

摘要： A synchronous circuit of a receiving device of a wireless transmission system composed of a delaying unit, a multiplier, a matched filter and a checking unit is disclosed. The delaying unit receives a preamble of a baseband signal and delays the preamble that includes a plurality of symbols. Through the multiplier, the symbols of the preamble are multiplied by the symbols of the preamble delayed by the delaying unit so as to generate a plurality of matched data. Then the matched filter matches and filters the matched data to generate a plurality of output data according to a plurality of matched parameters. At last, the checking unit checks these output data to obtain the maximum output data and the corresponding symbol so as to generate a synchronous signal. Therefore, the receiving device demodulates the baseband signal and obtains the data correctly.

摘要翻译： 公开了一种由延迟单元，乘法器，匹配滤波器和检查单元组成的无线传输系统的接收设备的同步电路。 延迟单元接收基带信号的前导码并且延迟包括多个符号的前同步码。 通过乘法器，将前同步码的符号乘以由延迟单元延迟的前导码元，以产生多个匹配数据。 然后，匹配滤波器匹配并过滤匹配的数据，以根据多个匹配的参数生成多个输出数据。 最后，检查单元检查这些输出数据以获得最大输出数据和相应符号，以产生同步信号。 因此，接收装置解调基带信号并正确获取数据。

公开(公告)号：US20080117953A1

公开(公告)日：2008-05-22

申请号：US11601764

申请日：2006-11-20

申请人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng

发明人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng

IPC分类号： H04B1/713 ,  H04L27/22 ,  H04B1/69

CPC分类号： H04L27/2657 ,  H04L27/2675

摘要： The present invention is related to a frequency offset estimation circuit of receiving device of wireless transmission system, which includes a delay unit, a multiplier, an angle estimator, a compensation unit, and an arithmetic logic unit. The delay unit receives a preamble symbol of a baseband and delays the preamble symbol, the preamble symbol adjusts by a launcher of the wireless transmission system, and the launcher adjusts the preamble symbol in accordance with a cover sequence. The multiplier multiplies the preamble symbol and after delayed the preamble symbol by the delay unit for producing a first data. The angle estimator estimates the first data for an estimative value of phase shift. The compensation unit determines the estimative value of phase shift to compensate the estimative value of phase shift. The arithmetic logic unit produces a frequency deviation in accordance with after compensated the estimative value of phase shift by the compensation unit.

摘要翻译： 本发明涉及一种无线传输系统的接收装置的频率偏移估计电路，其包括延迟单元，乘法器，角度估计器，补偿单元和算术逻辑单元。 延迟单元接收基带的前导码符号并延迟前导符号，由无线传输系统的发射器调整前导码符号，并且发射器根据覆盖序列调整前导码符号。 乘法器将前导符号乘法，并且在将前导码符号延迟了用于产生第一数据的延迟单元之后。 角度估计器估计相移估计值的第一数据。 补偿单元确定相移的估计值以补偿相移的估计值。 算术逻辑单元根据补偿单元对相移的估计值进行补偿后产生频率偏差。

公开(公告)号：US20080117954A1

公开(公告)日：2008-05-22

申请号：US11601763

申请日：2006-11-20

申请人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng ,  You-Jung Shin ,  Gwo-Yang Wu

发明人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng ,  You-Jung Shin ,  Gwo-Yang Wu

IPC分类号： H04B1/713

CPC分类号： H04B1/7156 ,  H04B2001/71563 ,  H04L27/2657 ,  H04L27/2675

摘要： The present invention relates to a frequency-hopping analysis circuit of a receiving apparatus in a wireless transmission system, which includes an RF receiving circuit, a detection circuit, and a matching module. The RF receiving circuit receives an RF signal according to an initial frequency-hopping sequence to produce a baseband signal. The detection circuit detects the signal strength of the baseband signal, and identifies the corresponding piconet group of the baseband signal according to the estimated strength. Then, the matching module matches a preamble of the baseband signal according to a plurality of piconets of the corresponding piconet group of the baseband signal, and gives the corresponding piconet of the baseband signal. Thereby, the corresponding frequency-hopping sequence of the baseband signal is given and is transmitted to the RF receiving circuit for replacing the initial frequency-hopping sequence.

摘要翻译： 本发明涉及无线传输系统中的接收装置的跳频分析电路，其包括RF接收电路，检测电路和匹配模块。 RF接收电路根据初始跳频序列接收RF信号以产生基带信号。 检测电路检测基带信号的信号强度，并根据估计强度识别基带信号的对应微微网组。 然后，匹配模块根据基带信号的相应微微网组的多个微微网匹配基带信号的前同步码，并给出基带信号的相应微微网。 由此，给出基带信号的相应的跳频序列，并将其发送到RF接收电路，以替换初始的跳频序列。

公开(公告)号：US20080118009A1

公开(公告)日：2008-05-22

申请号：US11601765

申请日：2006-11-20

申请人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng

发明人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng

IPC分类号： H03D1/00 ,  H04L27/06

CPC分类号： H04L27/2647

摘要： The present invention relates to a pseudo-random number demodulation circuit of receiving device of wireless communication system. More particularly, it can demodulate the symbol data transmitted from a transmitting device for a wireless communication system. The transmitting device modulates multiple pilot subcarriers and multiple data subcarriers of the symbol data according to a first PN. The present invention uses a first demodulator demodulates all pilot subcarriers and data subcarriers of the symbol data according to a second PN. Further, a splitter splits the symbol data to the pilot subcarriers and the data subcarriers. More, a second demodulator is used to demodulate the data subcarriers according to a third PN. Therefore, the present invention can demodulate the pilot subcarriers and the data subcarriers which have not been modulated.

摘要翻译： 本发明涉及无线通信系统的接收装置的伪随机数解调电路。 更具体地，它可以解调从用于无线通信系统的发送设备发送的符号数据。 发送设备根据第一PN调制符号数据的多个导频子载波和多个数据子载波。 本发明使用第一解调器根据第二PN解调符号数据的所有导频子载波和数据子载波。 此外，分路器将符号数据分离成导频子载波和数据子载波。 另外，第二解调器用于根据第三PN解调数据子载波。 因此，本发明可以解调未被调制的导频子载波和数据子载波。

公开(公告)号：US20060133452A1

公开(公告)日：2006-06-22

申请号：US11018481

申请日：2004-12-20

申请人： Juinn-Horng Deng ,  Kuang-Shyr Wu ,  Yu-Min Chuang

发明人： Juinn-Horng Deng ,  Kuang-Shyr Wu ,  Yu-Min Chuang

IPC分类号： H04B1/69 ,  H04K1/10

CPC分类号： H04B1/7176 ,  H04L27/2608

摘要： A time domain spreading method and apparatus for a UWB receiver are provided. Wherein, a series of received symbol signals are received by the UWB receiver, and transformed by the fast Fourier transform to obtain a series of transformed signals Y(m) according to one of the received symbol signals. Y(m)=Y1(m)+jYQ(m), and m is a positive integer more than zero. The real part and imaginary part of the transferred signals are exchanged and the exchanged signals are inversely outputted to obtain a plurality of despreading received data signals X(m), and X(m)=YQ(−m)+jY1(−m).

摘要翻译： 提供了一种用于UWB接收机的时域扩展方法和装置。 其中，一系列接收到的符号信号由UWB接收机接收，并通过快速傅立叶变换进行变换，以根据接收的符号信号之一获得一系列变换信号Y（m）。 Y（m）= Y 1（m）+ j Y Q（m），m是大于零的正整数。 传送的信号的实部和虚部被交换，交换的信号被反向输出以获得多个解扩接收数据信号X（m），并且X（m）= Y Q（ - m）+ jY 1（ - m）。

公开(公告)号：US20080120530A1

公开(公告)日：2008-05-22

申请号：US11603304

申请日：2006-11-22

申请人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng

发明人： Yu-Min Chuang ,  Fu-Min Yeh ,  Juinn-Horng Deng

IPC分类号： H03M13/03

CPC分类号： H03M13/635

摘要： The present invention relates to a transceiver puncture circuit of wireless communication system, which is amounted with a control circuit and a clipper module, the puncture module couples to a coding unit of the transceiver. The control circuit bases on a fixed clock signal, results in an enable signal to the coding unit and also results in a selecting signal to the clipper circuit; the coding unit codes an input data as a coding data and transfers the coding data to the clipper module, the coding data comprises a plurality of bit data; the clipper module selects the partial bit data of the bit data according to the selecting signal, and then results in a output data according to the fixed clock signal. Therefore, it achieves that the control circuit synchronously controls a clipper module and a coding unit of the transceiver for improving the deal effect of the transceiver.

摘要翻译： 本发明涉及一种无线通信系统的收发器穿孔电路，其中包括控制电路和限幅器模块，所述穿孔模块耦合到所述收发器的编码单元。 控制电路基于固定的时钟信号，产生到编码单元的使能信号，并且还导致对剪辑电路的选择信号; 编码单元将输入数据编码为编码数据，并将编码数据传送到剪辑器模块，编码数据包括多个位数据; 剪辑模块根据选择信号选择位数据的部分位数据，然后根据固定时钟信号产生输出数据。 因此，实现了控制电路同步地控制收发器的修剪器模块和编码单元，以改善收发器的处理效果。

公开(公告)号：US07327776B2

公开(公告)日：2008-02-05

申请号：US11018481

申请日：2004-12-20

申请人： Juinn-Horng Deng ,  Kuang-Shyr Wu ,  Yu-Min Chuang

发明人： Juinn-Horng Deng ,  Kuang-Shyr Wu ,  Yu-Min Chuang

IPC分类号： H04B1/00 ,  H04K1/10

CPC分类号： H04B1/7176 ,  H04L27/2608

摘要： A time domain spreading method and apparatus for a UWB receiver are provided. Wherein, a series of received symbol signals are received by the UWB receiver, and transformed by the fast Fourier transform to obtain a series of transformed signals Y(m) according to one of the received symbol signals. Y(m)=Y1(m)+jYQ(m), and m is a positive integer more than zero. The real part and imaginary part of the transferred signals are exchanged and the exchanged signals are inversely outputted to obtain a plurality of despreading received data signals X(m), and X(m)=YQ(−m)+jY1(−m).

摘要翻译： 提供了一种用于UWB接收机的时域扩展方法和装置。 其中，一系列接收到的符号信号由UWB接收机接收，并通过快速傅立叶变换进行变换，以根据接收的符号信号之一获得一系列变换信号Y（m）。 Y（m）= Y 1（m）+ j Y Q（m），m是大于零的正整数。 传送的信号的实部和虚部被交换，交换的信号被反向输出以获得多个解扩接收数据信号X（m），并且X（m）= Y Q（ - m）+ jY 1（ - m）。

公开(公告)号：US20060104332A1

公开(公告)日：2006-05-18

申请号：US10905186

申请日：2004-12-21

申请人： Juinn-Horng Deng ,  Kuang-Shyr Wu ,  Yu-Min Chuang

发明人： Juinn-Horng Deng ,  Kuang-Shyr Wu ,  Yu-Min Chuang

IPC分类号： H04B1/69 ,  H04K1/10

CPC分类号： H04B1/713 ,  H04B1/7183 ,  H04L27/2605 ,  H04L27/2662

摘要： An apparatus and a method of defining symbol timing window and capturing signal are provided for a UWB receiver. The present invention is characterized in delaying a start point of a symbol timing window for a preset time T. According to the symbol timing window, a serial symbol signals are received and each of received symbol signals comprises a prefix signal, a received data signal, and a guard signal. The time period of the prefix signal is T1−T, the time period of the guard signal is T2+T, and T≦T1−T2. In addition, the received data signal and the guard signal are captured, and then the guard signal is added to the received data signal for outputting the added received data signal.

摘要翻译： 为UWB接收机提供了定义符号定时窗口和捕获信号的装置和方法。 本发明的特征在于在预设时间T延迟符号定时窗口的开始点。根据符号定时窗口，接收串行符号信号，并且每个接收到的符号信号包括前缀信号，接收数据信号， 和一个保护信号。 前缀信号的时间段为T1-T，保护信号的时间段为T2 + T，T <= T1-T2。 另外，捕获接收的数据信号和保护信号，然后将保护信号加到接收的数据信号上，以输出所附加的接收数据信号。