公开(公告)号：US20080292023A1

公开(公告)日：2008-11-27

申请号：US12124881

申请日：2008-05-21

申请人： Sang Yub Lee ,  Chang Soo Yang ,  Wan Cheol Yang

发明人： Sang Yub Lee ,  Chang Soo Yang ,  Wan Cheol Yang

IPC分类号： H04L25/06 ,  H04L27/06

CPC分类号： H04L27/0014 ,  H04L2027/0024 ,  H04L2027/0046

摘要： There are provided a direct sampling type wireless receiver and a method using the same that reduce nonlinearity and DC offset by using a multi-port network and a carrier frequency direct conversion method with a low sampling rate of a direct sampling method in a wireless communication receiver. A direct sampling type wireless receiver according to an aspect of the invention includes: a reference signal generation unit supplying a first reference signal having a predetermined frequency and a second reference signal having a higher frequency than the first reference signal; a down sampling unit sampling an input RF signal according to the first reference signal; an analog-to-digital converting unit converting the signal sampled by the down sampling unit into a digital signal according to the second reference signal; and a multiple-input multiple-output port unit dividing the digital signal from the analog-to-digital converting unit into a plurality of digital signals, generating a plurality of carrier signals having different phases from each other by shifting phases of the digital signals, and outputting a plurality of phase signals having different phases from each other by adding the plurality of carrier signals and the plurality of digital signals to each other.

摘要翻译： 提供了一种直接采样型无线接收机及其使用方法，其通过使用多端口网络和在无线通信接收机中具有直接采样方式的低采样率的载波频率直接转换方法来减少非线性和DC偏移 。 根据本发明的一个方面的直接采样型无线接收机包括：提供具有预定频率的第一参考信号的参考信号产生单元和具有比第一参考信号更高频率的第二参考信号; 下采样单元，根据第一参考信号对输入RF信号进行采样; 模拟数字转换单元，根据第二参考信号将由下采样单元采样的信号转换为数字信号; 以及将来自模数转换单元的数字信号分割为多个数字信号的多输入多输出端口单元，通过移位数字信号的相位来产生具有不同相位的多个载波信号， 并且通过将多个载波信号和多个数字信号彼此相加来输出具有彼此不同相位的多个相位信号。

公开(公告)号：US20080162048A1

公开(公告)日：2008-07-03

申请号：US11967796

申请日：2007-12-31

申请人： Wan Cheol Yang ,  Chang Soo Yang ,  Sang Yub Lee

发明人： Wan Cheol Yang ,  Chang Soo Yang ,  Sang Yub Lee

IPC分类号： G01V7/00 ,  G01V3/00

CPC分类号： G01S13/76

摘要： There is provided a distance measuring apparatus having system flexibility by varying a distance measuring range and a distance measuring resolution according to an environment and circumstance. The apparatus includes a reference pulse generator and a delay pulse generator capable of controlling frequencies of a reference pulse and a delay pulse and duty ratios of the reference pulse and the delay pulse. The reference pulse generator and the delay pulse generator include a programmable clock generation unit generating a clock of a frequency determined by a frequency control signal and a duty ratio control unit controlling a duty ratio of the clock generated by the programmable clock generation unit.

摘要翻译： 通过根据环境和环境改变距离测量范围和距离测量分辨率，提供了具有系统灵活性的距离测量装置。 该装置包括参考脉冲发生器和能够控制参考脉冲和延迟脉冲的频率以及参考脉冲和延迟脉冲的占空比的延迟脉冲发生器。 参考脉冲发生器和延迟脉冲发生器包括产生由频率控制信号确定的频率的时钟的可编程时钟产生单元和控制由可编程时钟产生单元产生的时钟占空比的占空比控制单元。

公开(公告)号：US07752010B2

公开(公告)日：2010-07-06

申请号：US11967796

申请日：2007-12-31

申请人： Wan Cheol Yang ,  Chang Soo Yang ,  Sang Yub Lee

发明人： Wan Cheol Yang ,  Chang Soo Yang ,  Sang Yub Lee

IPC分类号： G01B5/02 ,  G01S13/08

CPC分类号： G01S13/76

摘要： There is provided a distance measuring apparatus having system flexibility by varying a distance measuring range and a distance measuring resolution according to an environment and circumstance. The apparatus includes a reference pulse generator and a delay pulse generator capable of controlling frequencies of a reference pulse and a delay pulse and duty ratios of the reference pulse and the delay pulse. The reference pulse generator and the delay pulse generator include a programmable clock generation unit generating a clock of a frequency determined by a frequency control signal and a duty ratio control unit controlling a duty ratio of the clock generated by the programmable clock generation unit.

摘要翻译： 通过根据环境和环境改变距离测量范围和距离测量分辨率，提供了具有系统灵活性的距离测量装置。 该装置包括参考脉冲发生器和能够控制参考脉冲和延迟脉冲的频率以及参考脉冲和延迟脉冲的占空比的延迟脉冲发生器。 参考脉冲发生器和延迟脉冲发生器包括产生由频率控制信号确定的频率的时钟的可编程时钟产生单元和控制由可编程时钟产生单元产生的时钟占空比的占空比控制单元。

公开(公告)号：US20100142588A1

公开(公告)日：2010-06-10

申请号：US12616439

申请日：2009-11-11

申请人： Chang Soo Yang ,  Hyung Chul Park ,  Wan Cheol Yang ,  Sang Yub Lee

发明人： Chang Soo Yang ,  Hyung Chul Park ,  Wan Cheol Yang ,  Sang Yub Lee

IPC分类号： H04B1/00

CPC分类号： H04B1/707 ,  H04J13/0003

摘要： A parallel sequence spread spectrum type chaotic signal transmission device is disclosed to convert a serial data signal into a parallel data signal and transmit a chaotic signal according to the converted data signal. The parallel sequence spread spectrum type chaotic signal transmission device includes: a signal converting unit that converts serial data desired to be transmitted into parallel data having a pre-set unit; a chaotic signal generating unit that generates a pre-set chaotic signal; and an amplifying unit that amplifies the chaotic signal from the chaotic signal generating unit according to the data which has been converted by the signal converting unit.

摘要翻译： 公开了一种并行序列扩频型混沌信号传输装置，用于将串行数据信号转换为并行数据信号，并根据转换的数据信号发送混沌信号。 并行序列扩频型混沌信号发送装置包括：信号转换单元，将期望发送的串行数据转换成具有预设单元的并行数据; 混沌信号生成单元，其生成预设混沌信号; 以及放大单元，其根据由信号转换单元转换的数据，放大来自混沌信号生成单元的混沌信号。

公开(公告)号：US07663536B2

公开(公告)日：2010-02-16

申请号：US11850636

申请日：2007-09-05

申请人： Wan Cheol Yang ,  Chang Soo Yang ,  Sang Yub Lee

发明人： Wan Cheol Yang ,  Chang Soo Yang ,  Sang Yub Lee

IPC分类号： G01S1/02

CPC分类号： G01S13/76

摘要： A ranging apparatus includes a reference pulse generator generating a reference pulse having a first frequency at a first point in time of transmitting a ranging signal from a first device; a delay pulse generator generating a delay pulse signal having a second frequency at a second point in time of receiving the a response signal transmitted from the second device in response to the ranging signal; an overlap detector detecting a third point in time that the reference and delay pulses overlap each other; a counter counting one of the reference and delay pulses until the third point; and a distance calculator calculating an amount of time from the first point to the second point by applying the first and second frequencies, and a count value of the counter and calculating the distance between the first device and the second device by using the amount of time.

摘要翻译： 测距装置包括参考脉冲发生器，在从第一设备发送测距信号的第一时间点产生具有第一频率的参考脉冲; 延迟脉冲发生器，在接收到响应于测距信号从第二设备发送的响应信号的第二时刻产生具有第二频率的延迟脉冲信号; 检测第三时间点的参考和延迟脉冲彼此重叠的重叠检测器; 计数参考和延迟脉冲之一直到第三点的计数器; 以及距离计算器，通过应用第一和第二频率来计算从第一点到第二点的时间量，以及计数器的计数值，并且使用时间量计算第一设备和第二设备之间的距离 。

公开(公告)号：US07586293B2

公开(公告)日：2009-09-08

申请号：US11847761

申请日：2007-08-30

申请人： Man Suk Seo ,  Hyung Cheol Park ,  Seong Soo Lee ,  Sang Yub Lee ,  Chang Soo Yang ,  Wan Cheol Yang

发明人： Man Suk Seo ,  Hyung Cheol Park ,  Seong Soo Lee ,  Sang Yub Lee ,  Chang Soo Yang ,  Wan Cheol Yang

IPC分类号： H04L27/20

CPC分类号： H03C3/02 ,  H03C1/02 ,  H03K7/04 ,  H03K2005/00247 ,  H04B1/71635

摘要： Provided is a digital modulation circuit constructed with only a digital circuit. The digital modulation circuit includes: a clock generator which generates a reference clock pulse having a predetermined period; an up/down counter which generates a count value having predetermined bits by up-counting or down-counting the reference clock pulse and outputs a bit in the count value as a transmission signal; a controller which determines a counting start/end time point of the up/down counter and determine which one of the up-counting operation and the down-counting operation of the up/down counter is to be performed, according to a value of digital transmission data that is to be transmitted; and a band-pass filter which converts a waveform of the transmission signal output from the up/down counter into a sine waveform.

摘要翻译： 提供了仅由数字电路构成的数字调制电路。 数字调制电路包括：时钟发生器，其产生具有预定周期的参考时钟脉冲; 向上/向下计数器，其通过对参考时钟脉冲进行向上计数或递减计数来产生具有预定位的计数值，并将计数值中的位作为发送信号输出; 确定上/下计数器的计数开始/结束时间点的控制器，并根据数字的数值确定要执行向上/向下计数器的向上计数操作和向下计数操作中的哪一个 要发送的发送数据; 以及将从上/下计数器输出的发送信号的波形转换为正弦波形的带通滤波器。

公开(公告)号：US20080068255A1

公开(公告)日：2008-03-20

申请号：US11850636

申请日：2007-09-05

申请人： Wan Cheol YANG ,  Chang Soo Yang ,  Sang Yub Lee

发明人： Wan Cheol YANG ,  Chang Soo Yang ,  Sang Yub Lee

IPC分类号： G01S1/02

CPC分类号： G01S13/76

摘要： A ranging apparatus includes a reference pulse generator generating a reference pulse having a first frequency at a first point in time of transmitting a ranging signal from a first device; a delay pulse generator generating a delay pulse signal having a second frequency at a second point in time of receiving the a response signal transmitted from the second device in response to the ranging signal; an overlap detector detecting a third point in time that the reference and delay pulses overlap each other; a counter counting one of the reference and delay pulses until the third point; and a distance calculator calculating an amount of time from the first point to the second point by applying the first and second frequencies, and a count value of the counter and calculating the distance between the first device and the second device by using the amount of time.

摘要翻译： 测距装置包括参考脉冲发生器，在从第一设备发送测距信号的第一时间点产生具有第一频率的参考脉冲; 延迟脉冲发生器，在接收到响应于测距信号从第二设备发送的响应信号的第二时刻产生具有第二频率的延迟脉冲信号; 检测第三时间点的参考和延迟脉冲彼此重叠的重叠检测器; 计数参考和延迟脉冲之一直到第三点的计数器; 以及距离计算器，通过应用第一和第二频率来计算从第一点到第二点的时间量，以及计数器的计数值，并且使用时间量计算第一设备和第二设备之间的距离 。

公开(公告)号：US08265120B2

公开(公告)日：2012-09-11

申请号：US12616439

申请日：2009-11-11

申请人： Chang Soo Yang ,  Hyung Chul Park ,  Wan Cheol Yang ,  Sang Yub Lee

发明人： Chang Soo Yang ,  Hyung Chul Park ,  Wan Cheol Yang ,  Sang Yub Lee

IPC分类号： H04B1/69

CPC分类号： H04B1/707 ,  H04J13/0003

摘要： A parallel sequence spread spectrum type chaotic signal transmission device is disclosed to convert a serial data signal into a parallel data signal and transmit a chaotic signal according to the converted data signal. The parallel sequence spread spectrum type chaotic signal transmission device includes: a signal converting unit that converts serial data desired to be transmitted into parallel data having a pre-set unit; a chaotic signal generating unit that generates a pre-set chaotic signal; and an amplifying unit that amplifies the chaotic signal from the chaotic signal generating unit according to the data which has been converted by the signal converting unit.

摘要翻译： 公开了一种并行序列扩频型混沌信号传输装置，用于将串行数据信号转换为并行数据信号，并根据转换的数据信号发送混沌信号。 并行序列扩频型混沌信号发送装置包括：信号转换单元，将期望发送的串行数据转换成具有预设单元的并行数据; 混沌信号生成单元，其生成预设混沌信号; 以及放大单元，其根据由信号转换单元转换的数据，放大来自混沌信号生成单元的混沌信号。

公开(公告)号：US20080055139A1

公开(公告)日：2008-03-06

申请号：US11847761

申请日：2007-08-30

申请人： Man Suk Seo ,  Hyung Cheol Park ,  Seong Soo Lee ,  Sang Yub Lee ,  Chang Soo Yang ,  Wan Cheol Yang

发明人： Man Suk Seo ,  Hyung Cheol Park ,  Seong Soo Lee ,  Sang Yub Lee ,  Chang Soo Yang ,  Wan Cheol Yang

IPC分类号： H03M1/66

CPC分类号： H03C3/02 ,  H03C1/02 ,  H03K7/04 ,  H03K2005/00247 ,  H04B1/71635

摘要： Provided is a digital modulation circuit constructed with only a digital circuit. The digital modulation circuit includes: a clock generator which generates a reference clock pulse having a predetermined period; an up/down counter which generates a count value having predetermined bits by up-counting or down-counting the reference clock pulse and outputs a bit in the count value as a transmission signal; a controller which determines a counting start/end time point of the up/down counter and determine which one of the up-counting operation and the down-counting operation of the up/down counter is to be performed, according to a value of digital transmission data that is to be transmitted; and a band-pass filter which converts a waveform of the transmission signal output from the up/down counter into a sine waveform.

摘要翻译： 提供了仅由数字电路构成的数字调制电路。 数字调制电路包括：时钟发生器，其产生具有预定周期的参考时钟脉冲; 向上/向下计数器，其通过对参考时钟脉冲进行向上计数或递减计数来产生具有预定位的计数值，并将计数值中的位作为发送信号输出; 确定上/下计数器的计数开始/结束时间点的控制器，并根据数字的数值确定要执行向上/向下计数器的向上计数操作和向下计数操作中的哪一个 要发送的发送数据; 以及将从上/下计数器输出的发送信号的波形转换为正弦波形的带通滤波器。

公开(公告)号：US20080205536A1

公开(公告)日：2008-08-28

申请号：US12037537

申请日：2008-02-26

申请人： Sang Yub Lee ,  Hyung Cheol Park ,  Chang Soo Yang ,  Hak Sun Kim

发明人： Sang Yub Lee ,  Hyung Cheol Park ,  Chang Soo Yang ,  Hak Sun Kim

IPC分类号： H04L23/02

CPC分类号： H04L27/3845

摘要： There is provided an I/Q regeneration device of a five-port network which adopts a single-frequency continuous wave signal in place of a specific modulated signal such as a QPSK signal to estimate an I/Q regeneration parameter of the five-port network. The I/Q regeneration device of the five-port network including: a five-port network distributing an input signal as three signals and adding the three signals to first, second and third carrier signals, respectively to output first, second and third phase signals each having a phase different from one another; a power detection part detecting a power of each of the first, second and third phase signals from the five-port network to output first, second and third power detection signals; and a post-processing part restoring original data in response to the first, second and third power detection signals.

摘要翻译： 提供了一种五端口网络的I / Q再生装置，其采用单频连续波信号代替诸如QPSK信号的特定调制信号来估计五端口网络的I / Q再生参数 。 五端口网络的I / Q再生装置包括：分配输入信号作为三个信号的五端口网络，并将三个信号分别相加于第一，第二和第三载波信号，以输出第一，第二和第三相位信号 每个具有彼此不同的相位; 功率检测部分，检测来自五端口网络的第一，第二和第三相位信号中的每一个的功率，以输出第一，第二和第三功率检测信号; 以及后处理部分，响应于第一，第二和第三功率检测信号来恢复原始数据。