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11. 发明授权

US08095860B2 Method for implementing stochastic equality nodes 有权
标题翻译：实现随机均等节点的方法
公开(公告)号：US08095860B2
公开(公告)日：2012-01-10
申请号：US12153749
申请日：2008-05-23
申请人： Warren J. Gross , Shie Mannor , Saeed Sharifi Tehrani
发明人： Warren J. Gross , Shie Mannor , Saeed Sharifi Tehrani
IPC分类号： H03M13/00
CPC分类号： H03M13/1102
摘要： The present invention relates to a decoding method and system for stochastic decoding of linear block codes with parity check matrix. Each encoded sample of a set of encoded samples is converted into a corresponding probability. For each probability a corresponding probability message is the generated by encoding each probability as a sequence of digital symbols. Each probability message is then provided to a respective node of a logic circuitry for stochastic decoding. The logic circuitry represents a factor graph of the parity check matrix of the linear block code. Using the logic circuitry each probability message is processed for determining an estimated sequence of information symbols. If an equality node is in a hold state a chosen symbol is provided from a corresponding memory which is updated by storing output symbols from the equality node when the same is in a state other than a hold state.
摘要翻译：本发明涉及一种具有奇偶校验矩阵的线性块码随机解码的解码方法和系统。一组编码样本的每个编码样本被转换成相应的概率。对于每个概率，相应的概率消息是通过将每个概率编码为数字符号序列而生成的。然后将每个概率消息提供给用于随机解码的逻辑电路的相应节点。逻辑电路表示线性块码的奇偶校验矩阵的因子图。使用逻辑电路处理每个概率消息以确定信息符号的估计序列。如果等式节点处于保持状态，则从相应的存储器提供所选择的符号，相应的存储器当相同处于保持状态以外的状态时，通过存储来自等式节点的输出符号来更新。

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