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    • 3. 发明授权
    • Quasi-cyclic LDPC encoding and decoding for non-integer multiples of circulant size
    • 用于循环大小非整数倍的准循环LDPC编码和解码
    • US08572463B2
    • 2013-10-29
    • US13035770
    • 2011-02-25
    • Lingqi ZengYu KouKin Man NgKwok W. Yeung
    • Lingqi ZengYu KouKin Man NgKwok W. Yeung
    • G11C29/00
    • H03M13/1111H03M13/116H03M13/3994
    • In processing quasi-cyclic low-density parity-check (QC-LDPC) data, an input signal is received which includes decision and reliability information corresponding to unpadded data. Decision and reliability information corresponding to padded data is introduced into the input signal. Message passing is performed one or more times to obtain decoded data. This includes using (1) the decision and reliability information corresponding to the unpadded data and (2) the decision and reliability information corresponding to the padded data, where a preference is given to the decision and reliability information corresponding to the unpadded data over the decision and reliability information corresponding to the unpadded data during message passing. Zero padding is removed from the decoded data.
    • 在处理准循环低密度奇偶校验(QC-LDPC)数据时,接收到包括与非附加数据相对应的判定和可靠性信息的输入信号。 与填充数据相对应的判定和可靠性信息被引入到输入信号中。 执行消息传递一次或多次以获得解码数据。 这包括使用(1)对应于未附加数据的决策和可靠性信息,以及(2)与填充数据相对应的决策和可靠性信息,其中优先考虑与决定有关的未附加数据的决策和可靠性信息 以及在消息传递期间对应于未附加数据的可靠性信息。 从解码数据中删除零填充。