公开(公告)号：US09246725B2

公开(公告)日：2016-01-26

申请号：US13605230

申请日：2012-09-06

申请人： Mi Kyung Oh ,  Young Ae Jeon ,  Sangjae Lee ,  Jaehwan Kim ,  Cheol-ho Shin ,  Byoung Hak Kim ,  Seung Sik Lee ,  Sangsung Choi ,  Jae Young Kim

发明人： Mi Kyung Oh ,  Young Ae Jeon ,  Sangjae Lee ,  Jaehwan Kim ,  Cheol-ho Shin ,  Byoung Hak Kim ,  Seung Sik Lee ,  Sangsung Choi ,  Jae Young Kim

IPC分类号： H04L27/12 ,  H04L27/14 ,  H04L1/00

CPC分类号： H04L27/12 ,  H04L1/0009 ,  H04L1/0054 ,  H04L1/0059 ,  H04L1/007 ,  H04L1/0071 ,  H04L1/0072 ,  H04L27/14

摘要： A method of generating a packet for low energy critical infrastructure monitoring (LECIM) wireless communication is provided. The method includes steps of generating a first bit string by multiplexing a physical layer header (PHR) bit and a physical layer service data unit (PSDU) bit; convolution encoding the first bit string; interleaving the convolution-encoded first bit string; generating a second bit string by multiplexing the interleaved first bit string with a synchronization header (SHR) bit; and modulating the second bit string with a frequency shift keying (FSK) method and a position-based FSK method.

摘要翻译： 提供了一种生成用于低能量关键基础设施监控（LECIM）无线通信的数据包的方法。 该方法包括以下步骤：通过复用物理层报头（PHR）比特和物理层业务数据单元（PSDU）比特来生成第一比特串; 卷积编码第一个位串; 交织卷积编码的第一位串; 通过将交织的第一比特串与同步头（SHR）比特进行复用来产生第二比特串; 并用频移键控（FSK）方法和基于位置的FSK方法调制第二位串。

公开(公告)号：US20130070812A1

公开(公告)日：2013-03-21

申请号：US13598670

申请日：2012-08-30

申请人： Cheol-ho SHIN

发明人： Cheol-ho SHIN

IPC分类号： H04B1/7097

CPC分类号： H04B1/7097 ,  H04L27/0006 ,  H04L27/2647 ,  H04L27/2691

摘要： A DAA (Detection And Avoidance) apparatus for use in a UWB receiver includes a frequency offset unit for adding a preset frequency offset to a UWB signal including a victim signal and an FFT unit for performing a fast-Fourier-transformation on the UWB signal with the frequency offset added thereto. The DAA apparatus further includes a DAA unit for detecting a victim signal from the fast-Fourier-transformed UWB signal and, when reception power of the victim signal is higher than a predetermined reference power level, changing a communication channel for the UWB signal to avoid interference.

摘要翻译： 用于UWB接收机的DAA（检测和避免）装置包括用于将预设频率偏移量加到包括受害信号的UWB信号的频率偏移单元和用于对UWB信号执行快速傅里叶变换的FFT单元， 添加频率偏移。 DAA装置还包括用于从快速傅里叶变换的UWB信号中检测受害者信号的DAA单元，并且当受害信号的接收功率高于预定参考功率电平时，改变UWB信号的通信信道以避免 干扰。

公开(公告)号：US20130043920A1

公开(公告)日：2013-02-21

申请号：US13589629

申请日：2012-08-20

申请人： Seung Sik LEE ,  Sangsung CHOI ,  Young Ae JEON ,  Sangjae LEE ,  Byoung Hak KIM ,  Mi Kyung OH ,  Cheol-ho SHIN ,  Kang-yoon LEE ,  YoungGun PU ,  Joon-Sung PARK

发明人： Seung Sik LEE ,  Sangsung CHOI ,  Young Ae JEON ,  Sangjae LEE ,  Byoung Hak KIM ,  Mi Kyung OH ,  Cheol-ho SHIN ,  Kang-yoon LEE ,  YoungGun PU ,  Joon-Sung PARK

IPC分类号： H03L7/093

CPC分类号： H03L7/0992

摘要： A digital phase-locked loop apparatus using FSK includes a PFD detecting phase differences between a reference clock and a frequency-divided signal, and a first adder for generating first digital control codes by adding first digital codes, second digital codes, and channel frequency codes including channel information to each other, the first digital codes being converted from time differences between first and second pulses. The apparatus further includes a digital filter correcting errors of the first digital control codes to generate second digital control codes, a DCO for varying an oscillating frequency in accordance with a digital tuning word based on the second digital control codes, and a dual modulus division unit dividing the oscillating frequency into a frequency-divided signal.

摘要翻译： 使用FSK的数字锁相环装置包括PFD检测参考时钟和分频信号之间的相位差，以及第一加法器，用于通过将第一数字码，第二数字码和频道频率码相加来产生第一数字控制码 包括彼此的信道信息，所述第一数字码从第一和第二脉冲之间的时间差转换。 该装置还包括校正第一数字控制码的误差以产生第二数字控制码的数字滤波器，用于根据第二数字控制码根据数字调谐字改变振荡频率的DCO，以及双模分割单元 将振荡频率分频成分频信号。

公开(公告)号：US08300676B2

公开(公告)日：2012-10-30

申请号：US12536929

申请日：2009-08-06

申请人： Cheol-Ho Shin ,  Byoung Hak Kim ,  Jong Won Kim ,  Sangsung Choi ,  Kwang Roh Park

发明人： Cheol-Ho Shin ,  Byoung Hak Kim ,  Jong Won Kim ,  Sangsung Choi ,  Kwang Roh Park

IPC分类号： H04B1/00

CPC分类号： H04L27/0006

摘要： A communication apparatus generates a digital detection signal including a plurality of time symbols by digital-converting a detection signal corresponding to a received signal, estimates an average power value of the detection signal by calculating average power of the digital detection signal based on the digital detection signal, and performs UWB communication through a predetermined first channel when a predetermined reference power value is greater than the average power value.

摘要翻译： 通信装置通过对与接收信号相对应的检测信号进行数字转换来生成包括多个时间符号的数字检测信号，通过基于数字检测来计算数字检测信号的平均功率来估计检测信号的平均功率值 信号，并且当预定参考功率值大于平均功率值时，通过预定的第一通道执行UWB通信。

公开(公告)号：US07729238B2

公开(公告)日：2010-06-01

申请号：US11635272

申请日：2006-12-07

申请人： Cheol-Ho Shin ,  Sung-Woo Choi ,  Sang-In Cho ,  Kyu-Min Kang ,  Sang-Sung Choi ,  Kwang-Roh Park

发明人： Cheol-Ho Shin ,  Sung-Woo Choi ,  Sang-In Cho ,  Kyu-Min Kang ,  Sang-Sung Choi ,  Kwang-Roh Park

IPC分类号： H04J11/00

CPC分类号： H04B1/7183 ,  H04L27/2605 ,  H04L27/265 ,  H04L27/2665

摘要： Provided is a method for adjusting Fast Fourier Transform (FFT) window positioning in a Multi Band Orthogonal Frequency Division Multiplexing Ultra-Wideband (MB-OFDM UWB) system. The method includes the steps of acquiring an initial FFT window position and a frequency hopping position, demodulating a received signal by using the initial FFT window position and the frequency hopping position acquired in the acquiring step, transmitting received data information to a Media Access Control (MAC) layer with a reception frame (RX frame) structure and judging at the MAC layer whether or not a packet error is occurred based on Frame Check Sequences (FCSs), and if no packet error is occurred, returning to the demodulating step, and if the packet error is occurred, changing a register map by using a predetermined interface line in a MAC-physical layer (MAC-PHY) interface to thereby adjust the FFT window position and the frequency hopping position, and then returning to the demodulating step.

摘要翻译： 提供了一种用于在多频带正交频分复用超宽带（MB-OFDM UWB）系统中调整快速傅里叶变换（FFT）窗口定位的方法。 该方法包括以下步骤：获取初始FFT窗口位置和跳频位置，通过使用在获取步骤中获取的初始FFT窗口位置和跳频位置解调接收信号，将接收的数据信息发送到介质访问控制（ MAC）层，并且在MAC层判断基于帧检查序列（FCS）是否发生分组错误，并且如果没有发生分组错误，则返回到解调步骤，并且 如果发生分组错误，则通过使用MAC-物理层（MAC-PHY）接口中的预定接口线来改变寄存器映射，从而调整FFT窗口位置和跳频位置，然后返回到解调步骤。

公开(公告)号：US20100124252A1

公开(公告)日：2010-05-20

申请号：US12536929

申请日：2009-08-06

申请人： Cheol-Ho Shin ,  Byoung Hak Kim ,  Jong Won Kim ,  Sangsung Choi ,  Kwang Roh Park

发明人： Cheol-Ho Shin ,  Byoung Hak Kim ,  Jong Won Kim ,  Sangsung Choi ,  Kwang Roh Park

IPC分类号： H04B1/69

CPC分类号： H04L27/0006

摘要： A communication apparatus generates a digital detection signal including a plurality of time symbols by digital-converting a detection signal corresponding to a received signal, estimates an average power value of the detection signal by calculating average power of the digital detection signal based on the digital detection signal, and performs UWB communication through a predetermined first channel when a predetermined reference power value is greater than the average power value.

摘要翻译： 通信装置通过对与接收信号相对应的检测信号进行数字转换来生成包括多个时间符号的数字检测信号，通过基于数字检测来计算数字检测信号的平均功率来估计检测信号的平均功率值 信号，并且当预定参考功率值大于平均功率值时，通过预定的第一通道执行UWB通信。

公开(公告)号：US07435445B2

公开(公告)日：2008-10-14

申请号：US11376402

申请日：2006-03-15

申请人： Cheol Ho Shin ,  Byoung Ha Cho ,  Sang Tae Sim ,  Jung Soo Kim ,  Won Hyung Lee ,  Dae Sik Kim

发明人： Cheol Ho Shin ,  Byoung Ha Cho ,  Sang Tae Sim ,  Jung Soo Kim ,  Won Hyung Lee ,  Dae Sik Kim

IPC分类号： C23C16/00

CPC分类号： C23C16/45551 ,  C23C16/452 ,  C23C16/45519 ,  C23C16/45542 ,  C23C16/45578 ,  C23C16/4584 ,  C23C16/50 ,  H01J37/32779 ,  H01J37/32862 ,  H01L21/28562 ,  Y10S438/913

摘要： Disclosed are PEALD (plasma-enhanced atomic layer deposition) apparatus and PEALD method for manufacturing a semiconductor device, the PEALD apparatus comprising: a housing including a reaction chamber in which a deposition reaction is performed; a rotary disk unit installed in the housing and provided with a plurality of susceptors for receiving wafers thereon so as to move the wafers; a gas spray unit mounted on the upper end of the housing above the rotary disk unit, and provided with first reactive gas sprayers, second reactive gas sprayers and inert gas sprayers on a lower surface of a circular disk for spraying respective gases into the housing; a gas feed unit connected to the gas spray unit for supplying first and second reactive gases and a purge gas into the housing; a gas exhaust port formed around the rotary disk unit; and a plasma generator for generating plasma to excite the second reactive gas.

摘要翻译： 公开了用于制造半导体器件的PEALD（等离子体增强原子层沉积）装置和PEALD方法，该PEALD装置包括：壳体，包括执行沉积反应的反应室; 旋转盘单元，其安装在壳体中并且设置有用于在其上接收晶片以便移动晶片的多个基座; 安装在旋转盘单元上方的壳体上端的气体喷射单元，并且在圆盘的下表面上设置有第一反应气体喷雾器，第二反应气体喷雾器和惰性气体喷雾器，用于将各种气体喷射到壳体中; 连接到气体喷射单元的气体供给单元，用于将第一和第二反应气体和净化气体供应到壳体中; 形成在旋转盘单元周围的排气口; 以及用于产生等离子体以激发第二反应气体的等离子体发生器。

公开(公告)号：US20070133670A1

公开(公告)日：2007-06-14

申请号：US11635937

申请日：2006-12-08

申请人： Kyu-Min Kang ,  Cheol-Ho Shin ,  Sung-Woo Choi ,  Sang-In Cho ,  Sang-Sung Choi ,  Kwang-Rob Park

发明人： Kyu-Min Kang ,  Cheol-Ho Shin ,  Sung-Woo Choi ,  Sang-In Cho ,  Sang-Sung Choi ,  Kwang-Rob Park

IPC分类号： H03H7/30

CPC分类号： H04L25/03038 ,  H04L2025/03439

摘要： A parallel equalizer for a DS-CDMA UWB system and method thereof are provided. The parallel equalizer includes: a filter block for filtering a training input signal in a ‘training mode’, and filtering the plurality of input signals in parallel in a ‘symbol decision mode’; a symbol decision block for obtaining a symbol error based on a output from the filter block and a training symbol in the ‘training mode’, and estimating a transmission symbol for each of the input signals in the ‘symbol decision mode’, obtaining an error of one among the estimated transmission symbols for a symbol error calculating input signal; and an weight update block for updating a filter tap coefficients of the filter block based on the training input signal or the symbol error calculating input signal and the symbol error and transmitting the updated filter tap coefficients into the filter block.

摘要翻译： 提供了一种用于DS-CDMA UWB系统的并行均衡器及其方法。 并行均衡器包括：滤波器块，用于以“训练模式”对训练输入信号进行滤波，并且以“符号判定模式”并行地对多个输入信号进行滤波; 用于基于来自滤波块的输出和“训练模式”中的训练符号获得符号误差的符号判定块，并且以“符号判定模式”为每个输入信号估计发送符号，获得误差 估计的传输符号中的一个用于符号误差计算输入信号; 以及权重更新块，用于基于训练输入信号或符号误差计算输入信号和符号误差来更新滤波器块的滤波器抽头系数，并将更新的滤波器抽头系数发送到滤波器块。

公开(公告)号：US20130070750A1

公开(公告)日：2013-03-21

申请号：US13600269

申请日：2012-08-31

申请人： Byoung Hak KIM ,  Jaehwan KIM ,  Mi Kyung OH ,  Sangjae LEE ,  Seung Sik LEE ,  cheol-ho SHIN ,  Young Ae JEON ,  Sangsung CHOI

发明人： Byoung Hak KIM ,  Jaehwan KIM ,  Mi Kyung OH ,  Sangjae LEE ,  Seung Sik LEE ,  cheol-ho SHIN ,  Young Ae JEON ,  Sangsung CHOI

IPC分类号： H04W56/00

CPC分类号： H04W56/0035 ,  H04W56/0085

摘要： In a local wireless communication system, a reception signal including an STF (short training field) in which a plurality of patterns are repeatedly transmitted is received, the STF including a first number of STF patterns and a second number of STF patterns, the second number of STF patterns having an opposite code to that of the first number of STF patterns. In a first frequency offset estimation and correction process and a second frequency offset estimation and correction process, frequency offset estimation is performed on a plurality of STF patterns to acquire a phase error of each sample constituting the STF patterns, and the frequency of the STF patterns is corrected based on the acquired phase error. Cross correlation is performed on a predetermined number of STF patterns, among a plurality of STF patterns output subsequent to the frequency offset estimation and correction, to detect frame timing.

摘要翻译： 在本地无线通信系统中，接收包括多个模式被重复发送的STF（短训练场）的接收信号，STF包括第一数量的STF模式和第二数量的STF模式，第二数量 的STF图案具有与第一数量的STF图案相反的代码。 在第一频率偏移估计和校正处理和第二频率偏移估计和校正处理中，对多个STF模式执行频率偏移估计，以获取构成STF模式的每个样本的相位误差，以及STF模式的频率 基于所获取的相位误差来校正。 在频率偏移估计和校正之后输出的多个STF模式中，对预定数量的STF模式执行交叉相关，以检测帧定时。

公开(公告)号：US08165254B2

公开(公告)日：2012-04-24

申请号：US12201084

申请日：2008-08-29

申请人： Cheol Ho Shin ,  Byoung Hak Kim ,  Sang Sung Choi ,  Kwang Rho Park

发明人： Cheol Ho Shin ,  Byoung Hak Kim ,  Sang Sung Choi ,  Kwang Rho Park

IPC分类号： H04L7/00

CPC分类号： H04L27/2665 ,  H04L27/2656 ,  H04L27/2657 ,  H04L27/2675

摘要： The present invention relates to an apparatus and a method for receiving signal for extent of timing synchronization in MB-OFDM UWB System. The invention divides the digital samples completed of sampling twice as much as minimum sampling clock required to restore the MB-OFDM received signal into ODD data path and EVEN data path, executes the packet detection and timing synchronization for each of divided path and selects the data of path with larger cross correlation value at the timing synchronization point to secure the stable receiving performance in system environment with severe frequency offset and prevent the FTT window shift within preamble section through adding minimum hardware and structural change without increasing the system clock.

摘要翻译： 本发明涉及一种用于在MB-OFDM UWB系统中接收定时同步程度的信号的装置和方法。 本发明将采样完成的数字采样与将数据采集信号恢复为ODD数据路径和EVEN数据通路所需的最小采样时钟相同，执行分割路径每个分组检测和定时同步，并选择数据 的路径在定时同步点具有较大的互相关值，以确保具有严重频率偏移的系统环境中的稳定接收性能，并且通过在不增加系统时钟的情况下添加最小硬件和结构变化来防止前导码部分内的FTT窗口偏移。