Improved product error-correction scheme for optical recording systems

Bingrui Wang, Xiaofei Yang, Xingzhong Yao, Hongzhi Zhang, Yue Zhang
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引用次数: 0

Abstract

Reed-Solomon product-code (RSPC), which performs erasures-and-errors decoding utilizing inner and outer Reed-Solomon (RS) codes, can be used to effectively correct burst errors in DVD systems. RSPC has the advantages of high error correction capabilities and high code rate. In this study, we present that the maximum correctable burst length of RSPC in DVD systems is 2917 bytes. However, by applying iterative decoding, the RSPC can obtain the length, resulting in the increase of execution time and energy consumption. In order to combat these unnecessary operations, we present a new encoding and decoding scheme. Experimental results show that the new scheme can significantly decrease the probability of decoding errors, thereby improving the error correction performance of DVD systems.
改进的光学记录系统产品纠错方案
里德-所罗门产品代码(RSPC)利用内部和外部里德-所罗门(RS)代码进行擦除和错误解码,可用于有效纠正DVD系统中的突发错误。RSPC具有纠错能力强、码率高的优点。在本研究中,我们提出了DVD系统中RSPC的最大可校正突发长度为2917字节。但是,RSPC采用迭代解码的方式获取长度,增加了执行时间和能量消耗。为了克服这些不必要的操作,我们提出了一种新的编解码方案。实验结果表明,新方案可以显著降低解码错误的概率,从而提高DVD系统的纠错性能。
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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