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：US08483334B2

公开(公告)日：2013-07-09

申请号：US12604561

申请日：2009-10-23

申请人： Jung-yeol Oh ,  Min Su Kil ,  Jae Young Kim

发明人： Jung-yeol Oh ,  Min Su Kil ,  Jae Young Kim

IPC分类号： H04B1/69 ,  H04L27/06

CPC分类号： H04B1/71637

摘要： Provided are an automatic gain control (AGC) apparatus using an efficient receiving structure of an impulse signal-based ultra wideband wireless communication system, and a method thereof. An AGC apparatus of an impulse signal-based wireless communication system guarantees an SNR received through an analog circuit unit, outputs correlation values with respect to an impulse preamble of the received signal, outputs the maximum value of the correlation values for each symbol among the correlation values, or divides a symbol period into a plurality of groups and obtains average values through a sum of each group to output the maximum value thereof.

摘要翻译： 提供一种使用基于脉冲信号的超宽带无线通信系统的有效接收结构的自动增益控制（AGC）装置及其方法。 基于脉冲信号的无线通信系统的AGC装置保证通过模拟电路单元接收的SNR，相对于接收信号的脉冲前同步输出相关值，输出相关值中的每个符号的相关值的最大值 值，或者将符号周期划分为多个组，并且通过每个组的和获得平均值以输出其最大值。

公开(公告)号：US20100265991A1

公开(公告)日：2010-10-21

申请号：US12747462

申请日：2008-08-21

申请人： Mi Kyung Oh ,  Jung Yeol Oh ,  Min Su Kil ,  Jae Young Kim

发明人： Mi Kyung Oh ,  Jung Yeol Oh ,  Min Su Kil ,  Jae Young Kim

IPC分类号： H04B1/69

CPC分类号： H04L27/38 ,  H04B1/71637 ,  H04B1/7176 ,  H04B1/7183 ,  H04L5/04 ,  H04L25/4902 ,  H04L27/0008 ,  H04L27/0012 ,  H04L27/3854

摘要： Provided are a receiving apparatus, a receiving method, a phase tracking apparatus, and a phase tracking method of a pulse-based UWB wireless system, which are capable of tracking and compensating phases of signals modulated with different modulation schemes in the same pulse-based UWB receiver system. The receiving apparatus of the UWB wireless system includes an orthogonal channel generating unit for receiving a baseband signal to generate orthogonal channels, a boundary detecting unit for receiving output signals of the orthogonal channel generating unit to detect boundaries of preamble, header and payload signals, a phase tracking unit for tracking and compensating phases of the preamble, header and payload signals output from the boundary detecting units, and a demodulating unit for demodulating output signals of the boundary detecting unit and the phase tracking unit to output data bits.

摘要翻译： 提供了一种基于脉冲的UWB无线系统的接收装置，接收方法，相位跟踪装置和相位跟踪方法，它们能够以相同的基于脉冲的方式跟踪和补偿以不同调制方式调制的信号的相位 UWB接收机系统。 UWB无线系统的接收装置包括用于接收基带信号以产生正交信道的正交信道产生单元，用于接收正交信道生成单元的输出信号以检测前导码，报头和有效载荷信号的边界的边界检测单元， 用于跟踪和补偿从边界检测单元输出的前导码，报头和有效载荷信号的相位的相位跟踪单元，以及用于解调边界检测单元和相位跟踪单元的输出信号以输出数据位的解调单元。

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 。