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首页> 外文期刊>IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences >Performance and Convergence Analysis of Tree-LDPC Codes on the Min-Sum Iterative Decoding Algorithm
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Performance and Convergence Analysis of Tree-LDPC Codes on the Min-Sum Iterative Decoding Algorithm

机译:基于最小和迭代解码算法的Tree-LDPC码的性能和收敛性分析

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摘要

In this paper, the performance of Tree-LDPC code is presented based on the min-sum algorithm with scaling and the asymptotic performance in the water fall region is shown by density evolution. We presents that the Tree-LDPC code show a significant performance gain by scaling with the optimal scaling factor which is obtained by density evolution methods. We also show that the performance of min-sum with scaling is as good as the performance of sum-product while the decoding complexity of min-sum algorithm is much lower than that of sum-product algorithm.
机译:本文基于最小和算法,给出了具有伸缩性的Tree-LDPC码的性能,并通过密度演化来表现出瀑布区域的渐近性能。我们提出,通过使用密度演化方法获得的最佳缩放因子进行缩放,Tree-LDPC码显示出显着的性能增益。我们还表明,最小和算法在缩放时的性能与求和产品的性能一样好,而最小和算法的解码复杂度远低于求和产品算法。

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