Learning to Decode Linear Block Codes using Adaptive Gradient-Descent Bit-Flipping

Learning to Decode Linear Block Codes using Adaptive Gradient-Descent Bit-Flipping
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学习使用自适应梯度下降位翻转解码线性块码

DOI:
10.1109/istc57237.2023.10273470
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发表时间:
2023
期刊:
2023 12th International Symposium on Topics in Coding (ISTC
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通讯作者:
Vasić, Bane
Vasić, Bane
中科院分区:
--
文献类型:
--
作者:
Milojković, Jovan;Brkic, Srdan;Ivaniš, Predrag;Vasić, Bane

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本文提出了最近发表的自适应分集梯度下降比特翻转(AD-GDBF)译码的一种推广,称为广义AD-GDBF(Gad-GDBF)译码。最初的AD-GDBF译码算法是为二进制对称信道设计的,主要用于译码规则的低密度奇偶校验码,而Gad-GDBF算法结合了几项改进,使其适用于加性白高斯信道和任意线性分组码的译码。Gad-GDBF解码器使用遗传算法来优化一组可学习的参数,用于目标线性分组码。在BCH(Short Bose-Chaudhuri-Hocquengem,简称BCH)码上验证了该方法的有效性,结果表明,在相同的译码迭代次数下,Gad-GDBF译码在误码率方面优于置信度传播译码,同时显著降低了译码复杂度。
In this paper we propose a generalization of the recently published adaptive diversity gradient-descent bit flipping (AD-GDBF) decoder, named generalized AD-GDBF (gAD-GDBF) decoder. While the original AD-GDBF decoder was designed for the binary symmetric channel and used mostly to decode regular low-density parity-check codes, the gAD-GDBF algorithm incorporates several improvements which makes it eligible for the additive white Gaussian channel and decoding of arbitrary linear block code. The gAD-GDBF decoder uses the genetic algorithm to optimize a set of learnable parameters, for a targeted linear block code. The effectiveness of the proposed method is verified on short Bose-Chaudhuri-Hocquenghem (BCH) codes, where it was shown that for the same number of decoding iterations the gAD-GDBF decoder outperforms the belief-propagation decoder in terms of bit error rate and at the same time reduces the decoding complexity significantly.
带动量的梯度下降位翻转解码
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