公开(公告)号：US20100254486A1

公开(公告)日：2010-10-07

申请号：US12755848

申请日：2010-04-07

申请人： Mi Kyung OH ,  Hyung Soo LEE ,  Jaehwan KIM ,  Cheolhyo LEE ,  Jung-yeol OH ,  Hong Soon NAM ,  Jae Young KIM

发明人： Mi Kyung OH ,  Hyung Soo LEE ,  Jaehwan KIM ,  Cheolhyo LEE ,  Jung-yeol OH ,  Hong Soon NAM ,  Jae Young KIM

IPC分类号： H04L27/00 ,  H03M5/00

CPC分类号： H04L1/0058

摘要： A transmitter using a method of block code-based group modulation includes a grouping unit, a generating unit, and a mapping unit. The grouping unit generates symbols by grouping a data bit stream into N-bit groups, and the generating unit generates a codeword set composed of codewords corresponding to combinations of arrangements of pulses that are generated by a result of grouping to a predetermined number. Next, the mapping unit block-maps a codeword selected from the codeword set to groups constituting the symbols.

摘要翻译： 使用基于块码组群调制方法的发射机包括分组单元，生成单元和映射单元。 分组单元通过将数据位流分组为N位组来生成符号，并且生成单元生成由与由预定数量的分组的结果生成的脉冲排列的组合相对应的码字组成的码字集合。 接下来，映射单元将从码字组中选择的码字块映射到构成符号的组。

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：US08971450B2

公开(公告)日：2015-03-03

申请号：US13297862

申请日：2011-11-16

申请人： Jung Yeol Oh ,  Hyungsoo Lee ,  Sang Sung Choi

发明人： Jung Yeol Oh ,  Hyungsoo Lee ,  Sang Sung Choi

IPC分类号： H04L27/06 ,  H04L27/04 ,  H04L27/20

CPC分类号： H04L27/2067

摘要： A transmission device for transmitting a signal in a wireless communication system is provided. The transmission device includes: a serial-to-parallel converter configured to convert an input serial bit stream into a parallel bit stream having three bits; and a phase rotation symbol mapper configured to map the parallel bit stream to a symbol having phase rotation characteristics, wherein when the parallel bit stream includes first to third bits, the phase rotation symbol mapper maps the second and third bits to a complex variable and sequentially maps a real number part and an imaginary number part of the complex variable to the front part and the rear part of a symbol in this order or to the rear part and the front part of the symbol in this order.

摘要翻译： 提供一种用于在无线通信系统中发送信号的发送装置。 传输设备包括：串行到并行转换器，被配置为将输入串行比特流转换成具有三位的并行比特流; 以及相位旋转符号映射器，被配置为将并行比特流映射到具有相位旋转特性的符号，其中当并行比特流包括第一到第三比特时，相位旋转符号映射器将第二和第三比特映射到复数变量并且顺序地 将该复数变量的实数部分和虚数部分按此顺序映射到符号的前部和后部，或按顺序映射到符号的后部和前部。

公开(公告)号：US08027414B2

公开(公告)日：2011-09-27

申请号：US11691057

申请日：2007-03-26

申请人： Jung-Yeol Oh ,  Jae-Young Kim ,  Byung-Jae Kwak

发明人： Jung-Yeol Oh ,  Jae-Young Kim ,  Byung-Jae Kwak

IPC分类号： H04L27/06

CPC分类号： H04L27/2071 ,  H04B1/7075 ,  H04B2001/70706 ,  H04L27/0014 ,  H04L27/2331 ,  H04L2027/0055 ,  H04L2027/0067

摘要： Provided is a carrier frequency recovering apparatus and method based on phase shift. The carrier frequency recovering apparatus can recover carrier frequency based on phase shift caused by a frequency offset to thereby perform demodulation without deterioration, no matter how large the frequency offset is, and minimize structural complexity, although a frequency offset tolerance range is higher than a symbol rate and a method thereof. The carrier frequency recovering apparatus includes a phase shift estimation part for estimating a phase shift value caused by a frequency offset based on a received preamble signal; a compensation part for compensating a receiving signal based on the estimated phase shift value obtained in the phase shift estimation part prior to differential decoding; and a detection part for detecting the compensated signal obtained in the compensation part.

摘要翻译： 提供了一种基于相移的载波频率恢复装置和方法。 载波频率恢复装置可以基于由频率偏移引起的相移来恢复载波频率，从而尽管频率偏移容差范围高于符号，但是无论频率偏移多大，并且使结构复杂度最小化，进行解调而不劣化。 速率及其方法。 载波频率恢复装置包括：相移估计部，用于基于接收到的前导信号估计由频率偏移引起的相移值; 补偿部分，用于基于在差分解码之前在相移估计部分中获得的估计相移值来补偿接收信号; 以及用于检测在补偿部分中获得的补偿信号的检测部分。

公开(公告)号：US08514977B2

公开(公告)日：2013-08-20

申请号：US12951411

申请日：2010-11-22

申请人： Jung-yeol Oh ,  Jaehwan Kim ,  Hyung Soo Lee ,  Jae Young Kim

发明人： Jung-yeol Oh ,  Jaehwan Kim ,  Hyung Soo Lee ,  Jae Young Kim

IPC分类号： H03C3/00

CPC分类号： H04L27/3863 ,  H04L27/36 ,  H04L27/38 ,  H04L27/3881

摘要： A transmission apparatus according to an exemplary embodiment of the present invention comprises a serial/parallel (S/P) converter for converting an input bit stream into a plurality of symbols each including 3 bits, a differential modulator for generating differential encoded symbols by applying π/4 phase rotation to each of the symbols, up-samplers for up-sampling the differential encoded symbols, filters for filtering the up-sampled symbols, digital/analog (D/A) converters for converting the filtered symbols into analog signals, and a quadrature modulator for performing quadrature modulation on the converted analog signals.

摘要翻译： 根据本发明的示例性实施例的发送装置包括串行/并行（S / P）转换器，用于将输入比特流转换成每个包括3比特的多个符号，差分调制器，用于通过应用pi / 4相位旋转到每个符号，用于对差分编码符号进行上采样的上采样器，用于对上采样符号进行滤波的滤波器，用于将滤波后的符号转换为模拟信号的数/模（D / A）转换器，以及 用于对转换的模拟信号执行正交调制的正交调制器。

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：US08483316B2

公开(公告)日：2013-07-09

申请号：US12963994

申请日：2010-12-09

申请人： Jaehwan Kim ,  Jung-yeol Oh ,  Hyung Soo Lee ,  Jae Young Kim

发明人： Jaehwan Kim ,  Jung-yeol Oh ,  Hyung Soo Lee ,  Jae Young Kim

IPC分类号： H03C3/00 ,  H03K7/06 ,  H04L27/12

CPC分类号： H04L27/2082 ,  H04L27/22

摘要： A modulation apparatus performs modulation in which a signal wave form is positioned at the front part of an entire symbol duration or the latter part of the entire symbol duration based on a first bit of the bit information to generate a modulation symbol including a silent signal duration in which there is no signal waveform. Particularly, the method delays a signal corresponding to a quadrature-phase signal axis by a predetermined time, thereby cancelling a phase difference between symbols.

摘要翻译： 调制装置执行基于比特信息的第一比特的信号波形位于整个符号持续时间的前部或整个符号持续时间的后半部分的调制，以产生包括无声信号持续时间的调制符号 其中没有信号波形。 特别地，该方法将对应于正交相位信号轴的信号延迟预定时间，从而消除符号之间的相位差。

公开(公告)号：US20120177141A1

公开(公告)日：2012-07-12

申请号：US13297862

申请日：2011-11-16

申请人： Jung Yeol OH ,  Hyungsoo Lee ,  Sang Sung Choi

发明人： Jung Yeol OH ,  Hyungsoo Lee ,  Sang Sung Choi

IPC分类号： H04L27/06 ,  H04L27/04

CPC分类号： H04L27/2067

摘要： A transmission device for transmitting a signal in a wireless communication system is provided. The transmission device includes: a serial-to-parallel converter configured to convert an input serial bit stream into a parallel bit stream having three bits; and a phase rotation symbol mapper configured to map the parallel bit stream to a symbol having phase rotation characteristics, wherein when the parallel bit stream includes first to third bits, the phase rotation symbol mapper maps the second and third bits to a complex variable and sequentially maps a real number part and an imaginary number part of the complex variable to the front part and the rear part of a symbol in this order or to the rear part and the front part of the symbol in this order.

摘要翻译： 提供一种用于在无线通信系统中发送信号的发送装置。 传输设备包括：串行到并行转换器，被配置为将输入串行比特流转换成具有三位的并行比特流; 以及相位旋转符号映射器，被配置为将并行比特流映射到具有相位旋转特性的符号，其中当并行比特流包括第一到第三比特时，相位旋转符号映射器将第二和第三比特映射到复数变量并且顺序地 将该复数变量的实数部分和虚数部分按此顺序映射到符号的前部和后部，或按顺序映射到符号的后部和前部。

公开(公告)号：US20110150124A1

公开(公告)日：2011-06-23

申请号：US12963994

申请日：2010-12-09

申请人： Jaehwan Kim ,  Jung-yeol Oh ,  Hyung Soo Lee ,  Jae Young Kim

发明人： Jaehwan Kim ,  Jung-yeol Oh ,  Hyung Soo Lee ,  Jae Young Kim

IPC分类号： H04L27/04 ,  H04L27/06

CPC分类号： H04L27/2082 ,  H04L27/22

摘要： A modulation apparatus performs modulation in which a signal wave form is positioned at the front part of an entire symbol duration or the latter part of the entire symbol duration based on a first bit of the bit information to generate a modulation symbol including a silent signal duration in which there is no signal waveform. Particularly, the method delays a signal corresponding to a quadrature-phase signal axis by a predetermined time, thereby cancelling a phase difference between symbols.

摘要翻译： 调制装置执行基于比特信息的第一比特的信号波形位于整个符号持续时间的前部或整个符号持续时间的后半部分的调制，以产生包括无声信号持续时间的调制符号 其中没有信号波形。 特别地，该方法将对应于正交相位信号轴的信号延迟预定时间，从而消除符号之间的相位差。

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。