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HDL IMPLEMENTATION OF ALGEBRAIC SOFT DECISION ALGORITHM FOR RS CODES

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Author(s): M. Revathy | R. Saravanan

Journal: International Journal of Computer Science and Mobile Computing
ISSN 2320-088X

Volume: 2;
Issue: 4;
Start page: 116;
Date: 2013;
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Keywords: Algebraic Soft Decision | RiBC | Burst Error Correction | Hard decision Decoding

ABSTRACT
Reed Solomon (RS) codes are widely used to detect and correct data errors in transmission andstorage systems. Hence it is used in many digital communication and storage devices. In existing systemReformulated inversion less Burst error correcting (RiBC) algorithm is used. But it lacks in speed,throughput & area. To overcome this Algebraic Soft Decision (ASD) algorithm is proposed. This Proposedalgorithm is based on Unified VLSI architecture for correcting burst errors as well as random errors. Thisnew architecture is denoted as Unified Hybrid Decoding (UHD) architecture. It will be shown that, being thefirst RS decoder owning enhanced burst-error correcting capability, it can achieve high-speed, throughputand improved error correcting capability than traditional Hard Decision Decoding (HDD) design with lessarea.
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