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11. 发明申请

US20090158112A1 METHOD FOR PRODUCING PARITY CHECK MATRIX FOR LOW COMPLEXITY AND HIGH SPEED DECODING, AND APPARATUS AND METHOD FOR CODING LOW DENSITY PARITY CHECK CODE USING THE SAME 失效
标题翻译：用于生产用于低复杂度和高速解码的奇偶校验矩阵的方法，以及用于编码低密度奇偶校验码的装置和方法
公开(公告)号：US20090158112A1
公开(公告)日：2009-06-18
申请号：US12113638
申请日：2008-05-01
申请人： Jong-Ee OH , Chanho YOON , Minho CHEONG , Sok-Kyu LEE
发明人： Jong-Ee OH , Chanho YOON , Minho CHEONG , Sok-Kyu LEE
IPC分类号： H03M13/11 , G06F11/10
CPC分类号： H03M13/116 , H03M13/1185 , H03M13/611
摘要： Provided are a method for producing a parity check matrix for low complexity and high speed decoding, and an apparatus and method for coding a Low Density Parity Check (LDPC) code using the same. The method includes: calculating a cyclic shift value of a subblock to a matrix; and when the calculated cyclic shift values of the subblock are arrayed in the matrix, producing a parity check matrix by arraying the cyclic shift values of the subblock except ‘0 matrix’ without duplication to any one column.
摘要翻译：提供了一种用于产生用于低复杂度和高速解码的奇偶校验矩阵的方法，以及用于使用其编码低密度奇偶校验（LDPC）码的装置和方法。该方法包括：将子块的循环移位值计算到矩阵; 并且当将所计算的子块的循环移位值排列在矩阵中时，通过将除“0矩阵”之外的子块的循环移位值排列成任何一列，从而产生奇偶校验矩阵。

12. 发明申请

US20090154587A1 MIMO ANTENNA RECEIVING APPARATUS AND RECEIVING METHOD 有权
标题翻译： MIMO天线接收装置和接收方法
公开(公告)号：US20090154587A1
公开(公告)日：2009-06-18
申请号：US12238082
申请日：2008-09-25
申请人： Minho CHEONG , Yu-Ro LEE , Jong -Ee OH , Sok-Kyu LEE
发明人： Minho CHEONG , Yu-Ro LEE , Jong -Ee OH , Sok-Kyu LEE
IPC分类号： H04L1/02 , H04B7/02 , H04B1/10
CPC分类号： H04B7/0417 , H04L1/0631
摘要： Provided is a reception apparatus and method of a Multiple Input Multiple Output (MIMO) system that receives a plurality of different data streams in a multiple cell environment. The reception apparatus for receiving a plurality of different data streams in a multiple input multiple output (MIMO) antenna system includes a data stream detector for detecting each data stream by removing interference between the different data streams while maintaining channel information; and a cochannel interference (CCI) remover for removing cochannel interference from each data stream detected in the data stream detector. The present invention can remove cochannel interference and increase channel capacity to thereby acquire both diversity gain and multiplexing gain.
摘要翻译：提供了一种在多小区环境中接收多个不同数据流的多输入多输出（MIMO）系统的接收装置和方法。用于在多输入多输出（MIMO）天线系统中接收多个不同数据流的接收装置包括：数据流检测器，用于通过在保持信道信息的同时消除不同数据流之间的干扰来检测每个数据流; 以及用于从数据流检测器中检测到的每个数据流去除同信道干扰的同信道干扰（CCI）去除器。本发明可以消除同信道干扰并增加信道容量，从而获得分集增益和复用增益。

13. 发明申请

US20100162074A1 APPARATUS AND METHOD FOR CODING QC-LDPC CODE 审中-公开
标题翻译：用于编码QC-LDPC码的设备和方法
公开(公告)号：US20100162074A1
公开(公告)日：2010-06-24
申请号：US12642463
申请日：2009-12-18
申请人： Jong-Ee OH , Minho CHEONG , Yu-Ro LEE , Sok-Kyu LEE , Yongho LEE
发明人： Jong-Ee OH , Minho CHEONG , Yu-Ro LEE , Sok-Kyu LEE , Yongho LEE
IPC分类号： H03M13/05 , G06F11/10
CPC分类号： H03M13/116 , H03M13/6527 , H03M13/6544 , H04L1/0041 , H04L1/0057
摘要： A high-speed quasi-cyclic low density parity check (QC-LDPC) coding apparatus for coding inputted information into a generator matrix having a dual diagonal matrix format includes: a parity bit generation unit configured to generate an arbitrary parity bit; a temporary parity bit generation unit configured to constitute the inputted information with circulants, and shift and combine the respective circulants at each row to generate a temporary parity bit; a corrected bit generation unit configured to generate corrected bits of parity bits by using an output of the temporary parity bit generation unit; and a parity bit correction unit configured to correct the temporary parity bit by reflecting an output of the corrected bit generation unit to the output of the temporary parity bit generation unit.
摘要翻译：用于将输入的信息编码成具有双对角矩阵格式的生成矩阵的高速准循环低密度奇偶校验（QC-LDPC）编码装置包括：奇偶校验位生成单元，被配置为生成任意奇偶校验位; 临时奇偶校验位生成单元，被配置为构成具有循环的输入信息，并且移位并组合各行的各个循环以产生临时奇偶校验位; 校正位生成单元，其通过使用所述临时奇偶校验位生成单元的输出来生成校正位的校验位; 以及奇偶校验位校正单元，被配置为通过将校正的位生成单元的输出反映到临时奇偶校验位产生单元的输出来校正临时奇偶校验位。

14. 发明申请

US20090164540A1 APPARATUS AND METHOD FOR UPDATING CHECK NODE OF LOW DENSITY PARITY CHECK CODE 审中-公开
标题翻译：检查低密度特征检查代码的装置和方法
公开(公告)号：US20090164540A1
公开(公告)日：2009-06-25
申请号：US12146195
申请日：2008-06-25
申请人： Jong-Ee OH , Minho CHEONG , Il-Gu LEE , Sok-Kyu LEE
发明人： Jong-Ee OH , Minho CHEONG , Il-Gu LEE , Sok-Kyu LEE
IPC分类号： G06F7/38
CPC分类号： H03M13/1134 , H03M13/112 , H03M13/1122 , H03M13/618 , H03M13/6362 , H03M13/658 , H03M13/6583
摘要： Provided is an apparatus and method for updating a check node of a LDPC code at a high speed. The apparatus includes: a minimum value calculating unit for calculating a first minimum value of an input bit by sequentially calculating each bit of the first minimum value, and calculating a second minimum value using the calculated first minimum value; a node minimum value calculating unit for performing row splitting the calculated first and second minimum values by a check node and calculating a first minimum value and a second minimum value of each of the row-split nodes; and a minimum value deciding unit for deciding one of the calculated first and second minimum values of each of the row-split nodes as a minimum value corresponding to each degree of the input bit.
摘要翻译：提供了一种用于以高速更新LDPC码的校验节点的装置和方法。该装置包括：最小值计算单元，用于通过顺序地计算第一最小值的每个位，并使用所计算的第一最小值来计算第二最小值来计算输入比特的第一最小值; 节点最小值计算单元，用于通过校验节点执行行分解所计算的第一和第二最小值，并计算每个行分割节点的第一最小值和第二最小值; 以及最小值确定单元，用于将每个行分割节点的所计算的第一和第二最小值中的一个确定为与每个输入比特的度相对应的最小值。

15. 发明申请

US20090154579A1 QR DECOMPOSITION APPARATUS AND METHOD FOR MIMO SYSTEM 失效
标题翻译： QR分解装置和MIMO系统的方法
公开(公告)号：US20090154579A1
公开(公告)日：2009-06-18
申请号：US12139904
申请日：2008-06-16
申请人： Yu-Ro LEE , Jung-Bo SON , Minho CHEONG , Sok-Kyu LEE
发明人： Yu-Ro LEE , Jung-Bo SON , Minho CHEONG , Sok-Kyu LEE
IPC分类号： H04L27/28 , G06F17/16
CPC分类号： H04B7/0413 , H04B7/0854 , H04L27/2601
摘要： Provided is a QR decomposition apparatus and method that can reduce the number of computers by sharing hardware in an MIMO system employing OFDM technology to simplify a structure of hardware. The QR decomposition apparatus includes a norm multiplier for calculating a norm; a Q column multiplier for calculating a column value of a unitary Q matrix to thereby produce a Q matrix vector; a first storage for storing the Q matrix vector calculated in the Q column multiplier; an R row multiplier for calculating a value of an upper triangular R matrix by multiplying the Q matrix vector by a reception signal vector; and a Q update multiplier for receiving the reception signal vector and an output of the R row multiplier, calculating an Q update value through an accumulation operation, and providing the Q update value to the Q column multiplier to calculate a next Q matrix vector.
摘要翻译：提供了一种QR分解装置和方法，其可以通过在采用OFDM技术的MIMO系统中共享硬件来减少计算机的数量，以简化硬件的结构。 QR分解装置包括用于计算范数的标准倍数; Q列乘法器，用于计算酉矩阵的列值，从而产生Q矩阵向量; 用于存储在Q列乘法器中计算出的Q矩阵向量的第一存储器; R行乘法器，用于通过将Q矩阵向量乘以接收信号向量来计算上三角形R矩阵的值; 以及Q更新乘法器，用于接收接收信号矢量和R行乘法器的输出，通过累加操作计算Q更新值，并将Q更新值提供给Q列乘法器以计算下一个Q矩阵向量。

16. 发明申请

US20090154334A1 QR DECOMPOSITION APPARATUS AND METHOD FOR MIMO SYSTEM 失效
标题翻译： QR分解装置和MIMO系统的方法
公开(公告)号：US20090154334A1
公开(公告)日：2009-06-18
申请号：US12131617
申请日：2008-06-02
申请人： Yu-Ro LEE , Byung-Chan KIM , Minho CHEONG , Chanho YOON , Je-Hun LEE , Kwhang-Hyun RYU , Cheol-Jung KIM , Tae-Hyun JEON , Sok-Kyu LEE
发明人： Yu-Ro LEE , Byung-Chan KIM , Minho CHEONG , Chanho YOON , Je-Hun LEE , Kwhang-Hyun RYU , Cheol-Jung KIM , Tae-Hyun JEON , Sok-Kyu LEE
IPC分类号： H04J11/00
CPC分类号： H04L25/0246 , H04L25/03006 , H04L2025/03414 , H04L2025/03426
摘要： Provided are a QR decomposition apparatus and method for a MIMO system. The QR decomposition apparatus includes: a norm calculator for calculating a vector size norm for a channel input; a Q column calculator for calculating a column value of a unitary matrix Q by multiplying a delayed channel input with √{square root over (norm)}; an R row calculator for receiving the delayed channel input, the output of the Q column calculator, and 1/√{square root over (norm)}, and calculating a row value of an upper triangular matrix R; a Q update calculator for receiving the delayed channel input, the output of the R row calculator, and a delayed output of the Q column calculator, and calculating a Q update matrix value; and a norm update calculator for receiving a delayed output of the norm calculator and an output of the R row calculator, and outputting a norm update matrix value.
摘要翻译：提供了一种用于MIMO系统的QR分解装置和方法。 QR分解装置包括：用于计算信道输入的矢量大小范数的范数计算器; Q列计算器，用于通过将延迟的信道输入与{平方根超过（norm）}相乘来计算酉矩阵Q的列值; 用于接收延迟信道输入的R行计算器，Q列计算器的输出和1 /√{平方根超过（norm）}，并计算上三角矩阵R的行值; 用于接收延迟信道输入，R行计算器的输出和Q列计算器的延迟输出的Q更新计算器，并计算Q更新矩阵值; 以及范数更新计算器，用于接收范数计算器的延迟输出和R行计算器的输出，并输出范数更新矩阵值。

17. 发明申请

US20090154608A1 RECEIVING APPARATUS AND METHOD FOR MIMO SYSTEM 有权
标题翻译：接收装置和MIMO系统的方法
公开(公告)号：US20090154608A1
公开(公告)日：2009-06-18
申请号：US12177655
申请日：2008-07-22
申请人： Chanho YOON , II-Gu LEE , Jung-Bo SON , Eun-Young CHOI , Yu-Ro LEE , Sok-Kyu LEE
发明人： Chanho YOON , II-Gu LEE , Jung-Bo SON , Eun-Young CHOI , Yu-Ro LEE , Sok-Kyu LEE
IPC分类号： H04L27/14
CPC分类号： H04B7/0851 , H04B7/0669 , H04L1/0048 , H04L1/0631 , H04L25/067 , H04L27/2601
摘要： Provided are a receiving apparatus for a multiple input multiple output (MIMO) system and a method thereof. The receiving apparatus includes a QR decomposing unit for calculating a single (Q) matrix vector and an upper triangle (R) matrix vector for a receiving signal vector; a first symbol estimation unit for estimating predetermined symbols using the calculated Q matrix vector and R matrix vector; a log likelihood ratio (LLR) calculating unit for calculating log likelihood ratios of unit bits for the estimated symbols; an interference removing unit for receiving a decoded signal that is decided using the calculated log likelihood ratios and removing interference from the receiving signal vector; and a second symbol estimation unit for linearly estimating remaining symbols for the interference removed signal.
摘要翻译：提供了一种用于多输入多输出（MIMO）系统的接收装置及其方法。接收装置包括用于计算接收信号矢量的单（Q）矩阵向量和上三角（R）矩阵向量的QR分解单元; 第一符号估计单元，用于使用所计算的Q矩阵向量和R矩阵向量来估计预定符号; 对数似然比（LLR）计算单元，用于计算估计符号的单位比特的对数似然比; 干扰去除单元，用于接收使用计算的对数似然比决定的解码信号，并从接收信号矢量中去除干扰; 以及用于线性估计用于干扰去除信号的剩余符号的第二符号估计单元。

18. 发明申请

US20120294296A1 PREAMBLE CONFIGURING METHOD IN THE WIRELESS LAN SYSTEM, AND A METHOD FOR A FRAME SYNCHRONIZATION 有权
标题翻译：无线局域网系统中的前置配置方法和帧同步方法
公开(公告)号：US20120294296A1
公开(公告)日：2012-11-22
申请号：US13491941
申请日：2012-06-08
申请人： Woo-Yong LEE , Sok-Kyu LEE
发明人： Woo-Yong LEE , Sok-Kyu LEE
IPC分类号： H04J3/06 , H04W84/12
CPC分类号： H04L27/2656 , H04L7/10 , H04L25/0202 , H04L25/0226 , H04L27/2607 , H04L27/2613 , H04L27/2628 , H04L27/2662 , H04L27/2663 , H04W56/001 , H04W84/12
摘要： A method of configuring a preamble of a downlink frame for synchronization in data frame transmission of a 60 GHz a wireless local area network system, the method comprising arranging a short preamble having a plurality of repetitive S symbols, and an IS symbol, and arranging a long preamble having a long cyclic prefix (CP) and a plurality of L symbols for frame synchronization and symbol timing by performing auto-correlation according to the length of window of the auto-correlation.
摘要翻译：一种在60GHz的无线局域网系统的数据帧发送中配置用于同步的下行链路帧的前导码的方法，所述方法包括：配置具有多个重复S符号的短前导码和IS符号，并且将具有长循环前缀（CP）的长前导码和用于帧同步和符号定时的多个L个符号，通过根据自相关的窗口的长度执行自相关。

19. 发明申请

US20110096685A1 PACKET MODE AUTO-DETECTION IN MULTI-MODE WIRELESS COMMUNICATION SYSTEM, SIGNAL FIELD TRANSMISSION FOR THE PACKET MODE AUTO-DETECTION, AND GAIN CONTROL BASED ON THE PACKET MODE 有权
标题翻译：多模式无线通信系统中的分组模式自动检测，分组模式自动检测的信号场传输和基于分组模式的增益控制
公开(公告)号：US20110096685A1
公开(公告)日：2011-04-28
申请号：US12912666
申请日：2010-10-26
申请人： Il-Gu LEE , Eun-Young CHOI , Sok-Kyu LEE
发明人： Il-Gu LEE , Eun-Young CHOI , Sok-Kyu LEE
IPC分类号： H04L12/26 , H04W4/00
CPC分类号： H04L27/2601 , H04L5/0048 , H04L27/0012 , H04L27/22 , H04L27/2273 , H04L27/3444 , H04W72/042 , H04W84/12
摘要： A method for automatically detecting a packet mode in a wireless communication system supporting a multiple transmission mode includes: acquiring at least one of data rate information, packet length information and channel bandwidth information from a transmitted frame; and determining the packet mode on the basis of the phase rotation check result of a symbol transmitted after a signal field signal and at least one of the data rate information, the packet length information and the channel bandwidth information acquired from the transmitted frame.
摘要翻译：一种在支持多传输模式的无线通信系统中自动检测分组模式的方法包括：从发送的帧中获取数据速率信息，分组长度信息和信道带宽信息中的至少一个; 以及根据在信号场信号之后发送的符号的相位旋转检查结果和从发送帧获取的数据速率信息，分组长度信息和信道带宽信息中的至少一个来确定分组模式。

20. 发明申请

US20100177657A1 METHOD OF MEDIUM ACCESS CONTROL IN WIRELESS LAN SYSTEM USING MULTIPLE CHANNELS 有权
标题翻译：使用多通道的无线局域网系统中的接入控制方法
公开(公告)号：US20100177657A1
公开(公告)日：2010-07-15
申请号：US12688079
申请日：2010-01-15
申请人： Yun-Joo KIM , Jeeyon CHOI , Sok-Kyu LEE
发明人： Yun-Joo KIM , Jeeyon CHOI , Sok-Kyu LEE
IPC分类号： H04W40/00 , H04L12/26
CPC分类号： H04W72/1273 , H04W72/0446 , H04W84/12
摘要： A medium access control method in a wireless LAN system using multiple channels includes: determining the size of data frames related to a plurality of wireless stations connected through multiple channels; adjusting the number or length of the data frames related to the respective wireless stations, based on the result of determination, so that transmission start time and transmission end time of the data frames coincide during a transmission duration of an access point; and transmitting the data frames, the number or length of which has been adjusted, to the respective wireless stations.
摘要翻译：在使用多个信道的无线LAN系统中的介质访问控制方法包括：确定与通过多个信道连接的多个无线站相关的数据帧的大小; 基于确定结果调整与各个无线站相关的数据帧的数量或长度，使得数据帧的传输开始时间和传输结束时间在接入点的传输持续时间内重合; 并将其数量或长度已被调整的数据帧发送到各个无线站。

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