公开(公告)号：US08279898B2

公开(公告)日：2012-10-02

申请号：US12549882

申请日：2009-08-28

申请人： Mi Kyung Oh ,  Hong Soon Nam ,  Jae Young Kim ,  Joo Ho Park ,  Hyung Soo Lee

发明人： Mi Kyung Oh ,  Hong Soon Nam ,  Jae Young Kim ,  Joo Ho Park ,  Hyung Soo Lee

IPC分类号： H04J3/06

CPC分类号： G01S13/767

摘要： Provided is a distance and position measuring method. A distance measuring method based on packets transmitted and received between a first node and a second node obtains first timing for transmitting a first packet from the first node, second timing for receiving the first packet in the second node, third timing for transmitting a second packet corresponding to the first packet from the second node, fourth timing for receiving the second packet in the first node, fifth timing for transmitting a third packet from the second node, and sixth timing for receiving the third packet in the first node to estimate a clock frequency offset based on the obtained timings, measures a first distance and a second distance based on the clock frequency offset and some of the timings, and measures a distance between the first node and the second node based on the first distance and the second distance.

摘要翻译： 提供了距离和位置测量方法。 基于在第一节点和第二节点之间发送和接收的分组的距离测量方法获得用于从第一节点发送第一分组的第一定时，用于在第二节点中接收第一分组的第二定时，用于发送第二分组的第三定时 对应于来自第二节点的第一分组，用于接收第一节点中的第二分组的第四定时，用于从第二节点发送第三分组的第五定时，以及用于接收第一节点中的第三分组的第六定时，以估计时钟 基于所获得的定时的频率偏移，基于时钟频率偏移和一些定时测量第一距离和第二距离，并且基于第一距离和第二距离来测量第一节点和第二节点之间的距离。

公开(公告)号：US20100277357A1

公开(公告)日：2010-11-04

申请号：US12747666

申请日：2008-04-18

申请人： Young-Joon Ko ,  Mi-Kyung Oh ,  Joo-Ho Park ,  Jae-Young Kim ,  Kwang-Roh Park ,  Suk-Ki Kim ,  Yun-Jeong Kim

发明人： Young-Joon Ko ,  Mi-Kyung Oh ,  Joo-Ho Park ,  Jae-Young Kim ,  Kwang-Roh Park ,  Suk-Ki Kim ,  Yun-Jeong Kim

IPC分类号： H03M1/12

CPC分类号： H03M1/204 ,  H03M1/0682 ,  H03M1/365

摘要： Provided is an analog-to-digital converter. The analog-to-digital converter includes a resistor string for generating a plurality of reference voltages; a plurality of differential difference amplifiers for detecting zero-crossing points according to interpolation by using the plurality of reference voltages and input signals; and a plurality of comparators for receiving outputs of the plurality of differential difference amplifiers, detecting zero-crossing points according to 4X interpolation, and generating a digital code corresponding to the input signals.

摘要翻译： 提供了一种模拟 - 数字转换器。 模数转换器包括用于产生多个参考电压的电阻串; 多个差分差分放大器，用于根据通过使用多个参考电压和输入信号的内插来检测过零点; 以及多个比较器，用于接收多个差分差分放大器的输出，根据4×内插检测过零点，并产生与输入信号相对应的数字码。

公开(公告)号：US20100272150A1

公开(公告)日：2010-10-28

申请号：US12747007

申请日：2008-07-11

申请人： Min Su Kil ,  Jae Young Kim ,  Joo Ho Park

发明人： Min Su Kil ,  Jae Young Kim ,  Joo Ho Park

IPC分类号： H04B1/69 ,  H04L27/38

CPC分类号： H04B1/71637

摘要： A receiving apparatus of an ultra-wideband wireless system includes an analog-to-digital converter for sampling an analog signal into a digital signal, a serial-to-parallel converter for converting serial data input to the analog-to-digital converter into M:N parallel data, a matched filter bank unit for match-filtering the N parallel data, a cross-correlator bank unit for cross-correlating an output of the matched filter bank unit with a ternary code, a preamble boundary detecting unit for receiving an output signal of the cross-correlator bank unit to detect a starting boundary of a ternary code, a multi-path profile calculating unit for receiving an output signal of the cross-correlator bank unit to calculate multi-path phase and amplitude variation, a despreading unit for despreading an output of the matched-filter bank unit using a spreading code, and a data demodulating unit for receiving the despread value to determine a position and phase of a pulse. The receiving apparatus and the receiving method of the UWB wireless system are capable of achieving low power implementation by using a low system clock with a parallel structure, acquiring accurate signal and synchronization, and receiving a baseband signal without modifying the receiving apparatus according to channel change.

摘要翻译： 超宽带无线系统的接收装置包括用于将模拟信号采样成数字信号的模数转换器，用于将输入到模数转换器的串行数据转换为M的串并转换器 N并行数据，用于对N个并行数据进行匹配滤波的匹配滤波器组单元，用于将匹配滤波器组单元的输出与三进制码互相关的互相关器组单元，用于接收 交叉相关器组单元的输出信号以检测三进制码的起始边界;多路径简档计算单元，用于接收交叉相关器组单元的输出信号以计算多径相位和幅度变化;解扩 用于使用扩展码对所述匹配滤波器组单元的输出进行解扩的单元，以及用于接收所述去扩展值以确定脉冲的位置和相位的数据解调单元。 UWB无线系统的接收装置和接收方法能够通过使用具有并行结构的低系统时钟来实现低功率实现，获取准确的信号和同步，以及接收基带信号而不改变根据信道变化的接收装置 。

公开(公告)号：US20100220774A1

公开(公告)日：2010-09-02

申请号：US12681479

申请日：2008-07-11

申请人： Joo Ho Park ,  Mi Kyung Oh ,  Young Joon Ko ,  Jae Young Kim

发明人： Joo Ho Park ,  Mi Kyung Oh ,  Young Joon Ko ,  Jae Young Kim

IPC分类号： H04L5/16 ,  H04L27/00

CPC分类号： H04B1/71637 ,  H04B1/71635

摘要： Provided are an ultra wideband (UWB) system and a method for operating the same. The UWB system includes a baseband unit for modulating/demodulating an impulse data signal and generating a power management control signal using burst hopping information, and an RF transmitting/receiving unit for transmitting/receiving a wireless signal and alternating between power-on/off states according to the power management control signal generated from the baseband unit. The UWB system can reduce power consumption by applying power source to the RF transmitting/receiving unit only at a time interval in which an impulse signal having a short time period and constituting transmitting/receiving data exists.

摘要翻译： 提供了一种超宽带（UWB）系统及其操作方法。 UWB系统包括用于调制/解调脉冲数据信号并使用突发跳变信息产生功率管理控制信号的基带单元，以及用于发送/接收无线信号并在上电/断电状态之间交替的RF发送/接收单元 根据从基带单元产生的功率管理控制信号。 UWB系统可以仅在具有短时间段并且构成发送/接收数据的脉冲信号存在的时间间隔向RF发送/接收单元施加电源来降低功耗。

公开(公告)号：US20100157810A1

公开(公告)日：2010-06-24

申请号：US12549882

申请日：2009-08-28

申请人： Mi Kyung OH ,  Hong Soon NAM ,  Jae Young KIM ,  Joo Ho PARK ,  Hyung Soo LEE

发明人： Mi Kyung OH ,  Hong Soon NAM ,  Jae Young KIM ,  Joo Ho PARK ,  Hyung Soo LEE

IPC分类号： H04L12/26

CPC分类号： G01S13/767

摘要： Provided is a distance and position measuring method. A distance measuring method based on packets transmitted and received between a first node and a second node obtains first timing for transmitting a first packet from the first node, second timing for receiving the first packet in the second node, third timing for transmitting a second packet corresponding to the first packet from the second node, fourth timing for receiving the second packet in the first node, fifth timing for transmitting a third packet from the second node, and sixth timing for receiving the third packet in the first node to estimate a clock frequency offset based on the obtained timings, measures a first distance and a second distance based on the clock frequency offset and some of the timings, and measures a distance between the first node and the second node based on the first distance and the second distance.

摘要翻译： 提供了距离和位置测量方法。 基于在第一节点和第二节点之间发送和接收的分组的距离测量方法获得用于从第一节点发送第一分组的第一定时，用于在第二节点中接收第一分组的第二定时，用于发送第二分组的第三定时 对应于来自第二节点的第一分组，用于接收第一节点中的第二分组的第四定时，用于从第二节点发送第三分组的第五定时，以及用于接收第一节点中的第三分组的第六定时，以估计时钟 基于所获得的定时的频率偏移，基于时钟频率偏移和一些定时测量第一距离和第二距离，并且基于第一距离和第二距离来测量第一节点和第二节点之间的距离。

公开(公告)号：US20100150219A1

公开(公告)日：2010-06-17

申请号：US12549864

申请日：2009-08-28

申请人： Mi-Kyung Oh ,  Joo Ho Park ,  Jung-yeol Oh ,  Min Su Kil ,  Jae Young Kim

发明人： Mi-Kyung Oh ,  Joo Ho Park ,  Jung-yeol Oh ,  Min Su Kil ,  Jae Young Kim

IPC分类号： H04B17/00

CPC分类号： H04L7/042 ,  G01S13/765 ,  H04L7/0041

摘要： The exemplary embodiment of present invention provides a sampling device and method in a wireless communication system that is capable of precisely measuring a distance by combining data blocks passing through at least two delay paths and performing sampling thereon.To this end, the sampling device includes: a delayer that delays received signals in a block unit; a delay path selector that selects any one of a plurality of delay paths to control the delayer to apply the selected delay path to each block; a sampler that performs sampling for each block delayed by the delayer; a signal processor that combines at least two sampling blocks sampled by the sampler; and a timing tracker that tracks reception timing of the combined signal, wherein the delayer includes at least two selectable delay paths.

摘要翻译： 本发明的示例性实施例提供了一种无线通信系统中的采样装置和方法，其能够通过组合经过至少两个延迟路径的数据块并在其上执行采样来精确地测量距离。 为此，采样装置包括：以块为单位延迟接收信号的延迟器; 延迟路径选择器，其选择多个延迟路径中的任何一个来控制所述延迟器将所选择的延迟路径应用于每个块; 对由延迟器延迟的每个块执行采样的采样器; 信号处理器，其组合由采样器采样的至少两个采样块; 以及跟踪所述组合信号的接收定时的定时跟踪器，其中所述延迟器包括至少两个可选延迟路径。

公开(公告)号：US20100135448A1

公开(公告)日：2010-06-03

申请号：US12629334

申请日：2009-12-02

申请人： Joo Ho PARK ,  Jae Young KIM

发明人： Joo Ho PARK ,  Jae Young KIM

IPC分类号： H04L7/04

CPC分类号： H04L7/0083

摘要： Provided are a reference synchronization signal sharing apparatus and a method thereof. The reference synchronization signal sharing apparatus according to the present invention includes a reference signal generator that generates an internal or external reference synchronization signal, and a system clock generator that generates a common system clock for detailed blocks of a wireless communication system in synchronization with the internal or external reference synchronization signal.

摘要翻译： 提供了一种参考同步信号共享装置及其方法。 根据本发明的参考同步信号共享装置包括产生内部或外部参考同步信号的参考信号发生器，以及系统时钟发生器，其与内部同步产生无线通信系统的详细块的公共系统时钟 或外部参考同步信号。

公开(公告)号：US20100046599A1

公开(公告)日：2010-02-25

申请号：US12515998

申请日：2007-10-16

申请人： Dong-Kyoo Kim ,  Joo-Ho Park ,  Kwang-Roh Park ,  Young-Jin Kang ,  Jae-Young Kim

发明人： Dong-Kyoo Kim ,  Joo-Ho Park ,  Kwang-Roh Park ,  Young-Jin Kang ,  Jae-Young Kim

IPC分类号： H04L27/01

CPC分类号： H04L25/03159 ,  H04L25/0224 ,  H04L25/03057

摘要： Provided is an apparatus and method for acquiring an initial coefficient of a DFE using an FFT. The apparatus includes a channel impulse response estimating unit for estimating a non-causal impulse response by delaying a received signal of a time domain and transforming it into frequency domain signals; a feedforward filter coefficient acquisition unit for extracting a predetermined number of signals from the non-causal channel impulse response signals estimated by the channel impulse response estimating unit, and transforming the same into frequency domain signals to acquire an initial coefficient of a feedforward filter; and a feedback filter coefficient acquisition unit for transforming the non-causal channel impulse response signals estimated by the channel impulse response estimating unit into frequency domain signals, multiplying the same by the initial coefficient of the feedforward filter, and transforming the results of multiplication into time domain signals to calculate an initial coefficient of a feedback filter.

摘要翻译： 提供了一种使用FFT获取DFE的初始系数的装置和方法。 该装置包括：信道脉冲响应估计单元，用于通过延迟时域的接收信号并将其变换成频域信号来估计非因果脉冲响应; 前馈滤波器系数获取单元，用于从由信道脉冲响应估计单元估计的非因果信道脉冲响应信号中提取预定数量的信号，并将其变换为频域信号以获取前馈滤波器的初始系数; 以及反馈滤波器系数获取单元，用于将由信道脉冲响应估计单元估计的非因果信道脉冲响应信号变换为频域信号，将其乘以前馈滤波器的初始系数，并将乘法结果变换为时间 域信号来计算反馈滤波器的初始系数。