关于LT和Raptor代码的一些新结果

2010 European Wireless Conference (EW) Pub Date : 2010-04-12 DOI:10.1109/EW.2010.5483534

A. Venkiah, C. Poulliat

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引用次数: 6

摘要

本文介绍了一些关于LT和Raptor编码的新研究。推导了渐近平均误差概率的上界和下界，它们对于预测误差底区域的性能显得相当严密。这项研究允许强调在渐近开销和误差底区域的性能之间存在的权衡。然后，我们提出了一种使用混合高斯信道来优化给定LT分布的预码配置文件的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Some new results on LT and Raptor codes

In this paper, some new studies about LT and Raptor codes are presented. Upper and lower bounds on the asymptotic average error probability are derived and they appear quite tight to predict the performance in the error floor region. This study allows to underline the existing trade-off between the asymptotic overhead and the performance in the error floor region. Then, we propose a method to optimize the precode profile for a given LT distribution using a mixture of Gaussian channels.

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2010 European Wireless Conference (EW)

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