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    • 5. 发明申请
    • APPARATUS AND METHOD FOR DECODING LDPC CODE BASED ON PROTOTYPE PARITY CHECK MATRIXES
    • 基于原型奇偶校验矩阵来解码LDPC码的装置和方法
    • US20090158121A1
    • 2009-06-18
    • US12166866
    • 2008-07-02
    • Jong-Ee OHChanho YOONCheol-Hui RYUEun-Young CHOISok-Kyu LEE
    • Jong-Ee OHChanho YOONCheol-Hui RYUEun-Young CHOISok-Kyu LEE
    • H03M13/05G06F11/07
    • H03M13/116H03M13/1137H03M13/1185H03M13/1188H03M13/6516
    • Provided is an apparatus and method for decoding a Low Density Parity Check (LDPC) code based on prototype parity check matrixes. The apparatus, includes: a parity check matrix selecting means for determining multiple prototype parity check matrixes according to a sub-matrix size and a parallelization figure for processing the parity check matrix; a bit input means for receiving a log likelihood probability value for input bit according to the sub-matrix size and the parallelization figure; a check matrix process means for sequentially performing a partial parallel process on the parity check matrix based on the received log likelihood probability value and the determined multiple prototype parity check matrixes; and a bit process means for determining a bit level based on the partial-parallel processed parity check matrix value and recovering the input bit according to the sub-matrix size and the parallelization figure.
    • 提供了一种基于原型奇偶校验矩阵对低密度奇偶校验(LDPC)码进行解码的装置和方法。 该装置包括:奇偶校验矩阵选择装置,用于根据子矩阵大小确定多个原型奇偶校验矩阵;以及用于处理奇偶校验矩阵的并行化图; 用于根据子矩阵大小和并行化图形接收输入比特的对数似然概率值的位输入装置; 校验矩阵处理装置,用于基于所接收的对数似然概率值和所确定的多原型奇偶校验矩阵,顺序对奇偶校验矩阵执行部分并行处理; 以及位处理装置,用于基于部分并行处理的奇偶校验矩阵值确定位电平,并根据子矩阵大小和并行化图形恢复输入位。
    • 6. 发明申请
    • APPARATUS AND METHOD FOR DETECTING SIGNAL IN WIRELESS COMMUNICATION SYSTEM
    • 用于在无线通信系统中检测信号的装置和方法
    • US20110150148A1
    • 2011-06-23
    • US12965282
    • 2010-12-10
    • Jung-Bo SONEun-Young CHOISok-Kyu LEE
    • Jung-Bo SONEun-Young CHOISok-Kyu LEE
    • H04L27/06
    • H04L27/3863H04L5/0023H04L5/005H04L27/2647
    • 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.
    • 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。