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On Stopping Sets and an Improved Decoding Algorithm for Low-Density Parity-Check Codes over the Binary Erasure Channel

机译:在二进制擦除通道上停止组和改进的低密度奇偶校验代码的改进解码算法

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This paper investigates some analytical aspects of the improved decoding algorithm for Low-density parity-check (LDPC) codes over the binary erasure channel (BEC) proposed by Hossein et al. in [1]. In this paper, we derive a necessary and sufficient condition for the improved decoding algorithm to successfully complete decoding when the decoder is set to guess a pre-determined number of guesses after the standard message-passing terminates at a stopping set. We then present improved bounds on the number of bits to be guessed for successful completion of the decoding process when a stopping set is encountered.
机译:本文研究了Hossein等人提出的二进制擦除通道(BEC)上的低密度奇偶校验(LDPC)代码的改进解码算法的一些分析方面。在[1]中。在本文中,我们推导出改进的解码算法的必要和充分条件,以便在解码器被设置为猜测在停止集的标准消息传递终止之后猜测预先确定的猜测。然后,当遇到停止组时,我们在要猜测的比特数上的数量上存在改进的界限。

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