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1. 发明申请

US20090158113A1 APPARATUS AND METHOD FOR ENCODING LDPC CODE USING MESSAGE PASSING ALGORITHM 失效
标题翻译：使用消息传递算法编码LDPC码的装置和方法
公开(公告)号：US20090158113A1
公开(公告)日：2009-06-18
申请号：US12208006
申请日：2008-09-10
申请人： Chanho YOON , Jung-Bo SON , Hun-Sik KANG , Sok-Kyu LEE
发明人： Chanho YOON , Jung-Bo SON , Hun-Sik KANG , Sok-Kyu LEE
IPC分类号： H03M13/05 , G06F11/07
CPC分类号： H03M13/1188 , H03M13/1111 , H03M13/6502
摘要： Provided is an apparatus and method for encoding a Low Density Parity Check (LDPC) code using a message passing algorithm. The apparatus, includes: a parity calculating unit for operating a check node value on an input bit and a predetermined parity bit according to the message passing algorithm and calculating a parity bit; a parity correcting unit for correcting the calculated parity bit according to a parity check result of the calculated parity bit; and an output transform unit for combining the input bit and the corrected parity bit.
摘要翻译：提供了一种使用消息传递算法对低密度奇偶校验（LDPC）码进行编码的装置和方法。该装置包括：奇偶校验计算单元，用于根据消息传递算法操作输入比特和预定奇偶校验位上的校验节点值，并计算奇偶校验位; 奇偶校验单元，用于根据所计算的奇偶校验位的奇偶校验结果校正所计算的奇偶校验位; 以及输出变换单元，用于组合输入位和校正奇偶校验位。

2. 发明申请

US20090156148A1 LINK ADAPTATION METHOD AND APPARATUS IN WIRELESS COMMUNICATION SYSTEM 失效
标题翻译：无线通信系统中的链路自适应方法和设备
公开(公告)号：US20090156148A1
公开(公告)日：2009-06-18
申请号：US12177605
申请日：2008-07-22
申请人： Il-Gu LEE , Chanho YOON , Eun-Young CHOI , Hun-Sik KANG , Minho CHEONG , Sok-Kyu LEE
发明人： Il-Gu LEE , Chanho YOON , Eun-Young CHOI , Hun-Sik KANG , Minho CHEONG , Sok-Kyu LEE
IPC分类号： H04B17/00
CPC分类号： H04L1/0003 , H04B17/318
摘要： Provided is a link adaptation method and apparatus in wireless communication system. The method, includes: amplifying a received signal; converting the amplified signal into a digital signal; calculating digital signal strength; and calculating the received signal strength based on the digital signal strength and a gain of said amplifying a received signal.
摘要翻译：提供了一种无线通信系统中的链路适配方法和装置。该方法包括：放大接收信号; 将放大的信号转换成数字信号; 计算数字信号强度; 以及基于所述数字信号强度和所述放大接收信号的增益来计算接收信号强度。

3. 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。

4. 发明申请

US20100151898A1 TRANSMITTER/RECEIVER FOR WIRELESS COMMUNICATION SYSTEM 失效
标题翻译：无线通信系统的发射机/接收机
公开(公告)号：US20100151898A1
公开(公告)日：2010-06-17
申请号：US12635555
申请日：2009-12-10
申请人： Ilgu LEE , Hun-Sik KANG , Sok-Kyu LEE
发明人： Ilgu LEE , Hun-Sik KANG , Sok-Kyu LEE
IPC分类号： H04B7/005 , H04B1/04 , H04B1/06
CPC分类号： H04B7/0608 , H04B1/18 , H04B2001/0416
摘要： A transmitter/receiver for a wireless communication system is provided. The transmitter for a wireless communication system includes: an external amplifier connected to a next stage of a power amplifier amplifying a signal to be transmitted to a required power level; a transmission selector configured to directly output the signal amplified by the power amplifier to an antenna or control the external amplifier to amplify the signal, based on a mode control signal; and a mode selector configured to compare a power level of a signal provided from a receiver with a predetermined power level to generate the mode control signal for determining whether or not to operate the external amplifier.
摘要翻译：提供了一种用于无线通信系统的发射机/接收机。用于无线通信系统的发射机包括：外部放大器，连接到功率放大器的下一级，放大要发射的信号至所需功率电平; 发送选择器，被配置为基于模式控制信号将由功率放大器放大的信号直接输出到天线或控制外部放大器以放大信号; 以及模式选择器，被配置为将从接收机提供的信号的功率电平与预定功率电平进行比较，以产生用于确定是否操作外部放大器的模式控制信号。

5. 发明申请

US20090154427A1 TRANSMITTER AND RECEIVER FOR HIGH THROUGHPUT WIRELESS COMMUNICATION SYSTEM USING MULTIPLE ANTENNA, METHOD THEREOF, AND DIGITAL INTERMEDIATE FREQUENCY TRANSMISSION SIGNAL PROCESSING METHOD FOR THE SAME 有权
标题翻译：用于使用多个天线的高速无线通信系统的发射机和接收机，其方法和数字中间频率传输信号处理方法
公开(公告)号：US20090154427A1
公开(公告)日：2009-06-18
申请号：US12241921
申请日：2008-09-30
申请人： II-Gu LEE , Hun-Sik KANG , Minho CHEONG , Yoo-Seung SONG , Sok-Kyu LEE
发明人： II-Gu LEE , Hun-Sik KANG , Minho CHEONG , Yoo-Seung SONG , Sok-Kyu LEE
IPC分类号： H04B7/216
CPC分类号： H04B7/04 , H04L27/2626 , H04L27/2647 , H04L27/2657 , H04L27/2662 , H04L27/2675
摘要： Provided are a transmitter and receiver for a high throughput wireless communication system using a multiple antenna, a method thereof, and a digital intermediate frequency (DIF) transmission signal processing method for the same. The transmitter, includes: a baseband transmitting unit for processing a transmission signal by performing a Media Access Control (MAC) protocol process on transmission data and dividing the transmission data into n band signals where n is a predetermined natural number in a physical layer process; a DIF transmitting unit for integrating transmission signals of each band transmitted from the baseband transmitting unit and outputting m channels where m is a predetermined natural number; and a Radio Frequency (RF) transmitting unit for modulating each channel signal transmitted from the DIF transmitting unit into an RF signal and emitting the signal through the multiple antenna.
摘要翻译：提供一种用于使用多天线的高吞吐量无线通信系统的发射机和接收机，其方法和用于其的数字中频（DIF）传输信号处理方法。发射机包括：基带发射单元，用于通过在传输数据上执行媒体访问控制（MAC）协议处理来处理传输信号，并且在物理层处理中将传输数据划分成n个频带信号，其中n是预定的自然数; DIF发送单元，用于对从基带发送单元发送的每个频带的发送信号进行积分，并输出m个信道，其中m是预定的自然数; 以及射频（RF）发送单元，用于将从DIF发送单元发送的每个信道信号调制成RF信号，并通过多个天线发送信号。

6. 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。

7. 发明申请

US20110150148A1 APPARATUS AND METHOD FOR DETECTING SIGNAL IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：用于在无线通信系统中检测信号的装置和方法
公开(公告)号：US20110150148A1
公开(公告)日：2011-06-23
申请号：US12965282
申请日：2010-12-10
申请人： Jung-Bo SON , Eun-Young CHOI , Sok-Kyu LEE
发明人： Jung-Bo SON , Eun-Young CHOI , Sok-Kyu LEE
IPC分类号： H04L27/06
CPC分类号： H04L27/3863 , H04L5/0023 , H04L5/005 , H04L27/2647
摘要： The apparatus includes a radio frequency (RF) unit configured to arrange a plurality of symbols received through an antenna at a frequency domain, an analog to digital (AD) converter configured to converts the plurality of symbols arranged at the frequency domain to digital symbols, a fast Fourier transform (FFT) unit configured to transform the digital symbols through a fast Fourier transform scheme, a compensator configured to compensate a gain mismatch between an I-channel and a Q-channel of the transformed digital symbols, a mapping unit configured to the compensated digital symbols to a constellation diagram, and a detector configured to correlate the mapped symbols, extract correlation results, and detect a high throughput (HT) signal using the extracted correlation results.
摘要翻译：该装置包括：射频（RF）单元，被配置为布置以频域通过天线接收的多个符号;模拟数字（AD）转换器，被配置为将在频域处布置的多个符号转换为数字符号; 被配置为通过快速傅里叶变换方案对数字符号进行变换的快速傅立叶变换（FFT）单元，配置为补偿经变换的数字符号的I信道和Q信道之间的增益失配的补偿器，配置为将经补偿的数字符号转换成星座图，以及检测器，被配置为使所映射的符号相关，提取相关结果，并使用提取的相关结果检测高吞吐量（HT）信号。

8. 发明申请

US20110149766A1 ASSOCIATION SUPPORTING APPARATUS AND METHOD IN WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：无线通信系统中的协会支持设备和方法
公开(公告)号：US20110149766A1
公开(公告)日：2011-06-23
申请号：US12868636
申请日：2010-08-25
申请人： Eun-Young CHOI , Jung-Bo SON , Sok-Kyu LEE
发明人： Eun-Young CHOI , Jung-Bo SON , Sok-Kyu LEE
IPC分类号： H04L12/26
CPC分类号： H04W48/16 , H04L43/0817 , H04W72/0473 , H04W84/12
摘要： An association supporting apparatus in a wireless communication system includes: a transmission/reception unit configured to scan associable access points (APs) among a plurality of APs existing in a plurality of station (STA) wireless networks, and receive state information from the scanned APs; a calculation unit configured to calculate transmit opportunity (TXOP) periods with respect to the APs by using the received state information of the APs; and a determination unit configured to determine a predetermined AP among the plurality of scanned APs, considering usable power levels of the APs and the number of associable STAs during the calculated TXOP periods.
摘要翻译：无线通信系统中的关联支持装置包括：发送/接收单元，被配置为扫描存在于多个站（STA）无线网络中的多个AP之间的相关接入点（AP），并从所扫描的AP接收状态信息 ; 计算单元，被配置为通过使用接收到的接收到的状态信息来计算关于AP的发送机会（TXOP）周期; 以及确定单元，被配置为在所计算的TXOP周期期间考虑AP的可用功率电平和可关联STA的数量来确定多个扫描AP中的预定AP。

9. 发明申请

US20120263158A1 METHOD FOR TRANSMITTING CONTROL AND TRAINING SYMBOLS IN MULTI-USER WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：在多用户无线通信系统中传输控制和训练符号的方法
公开(公告)号：US20120263158A1
公开(公告)日：2012-10-18
申请号：US13458993
申请日：2012-04-27
申请人： Yu-Ro LEE , Jung-Bo SON , Sok-Kyu LEE
发明人： Yu-Ro LEE , Jung-Bo SON , Sok-Kyu LEE
IPC分类号： H04B15/00 , H04W84/12
CPC分类号： H04W72/0406 , H04B7/0452 , H04L1/007 , H04L1/0072 , H04L1/0606 , H04L1/0612 , H04L5/0023 , H04L5/0053 , H04L5/0073 , H04W28/04 , H04W28/06 , H04W28/22 , H04W48/08 , H04W80/04 , H04W84/12
摘要： The present invention relates to a method and an apparatus for transmitting control and training symbols to improve transmission efficiency in a multi-user wireless communication system. The method for transmitting the control and training symbols in the multi-user wireless communication system according to one embodiment of the present invention comprises the steps of: determining whether a required transmission rate of each data can be satisfied through channel estimation in each of terminals when different data are simultaneously transmitted to each of the terminals; and transmitting a data frame to each of the terminals, the data frame being composed to discriminate the control and training symbols in each of the terminals using a combination of time, frequency, and code area when the required transmission rate of each data is not satisfied according to the determined result.
摘要翻译：本发明涉及用于发送控制和训练符号以提高多用户无线通信系统中的传输效率的方法和装置。根据本发明的一个实施例的用于在多用户无线通信系统中发送控制和训练符号的方法包括以下步骤：通过每个终端中的信道估计来确定是否可以满足每个数据的所需传输速率不同的数据同时发送到每个终端; 并且向每个终端发送数据帧，所述数据帧被构成为当不满足每个数据的所需传输速率时，使用时间，频率和代码区域的组合来区分每个终端中的控制和训练符号根据确定的结果。

10. 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。

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