Design of Soft Viterbi Algorithm Decoder Enhanced With Non-Transmittable Codewords for Storage Media
Kilavo Hassan, Kisangiri Michael, and Salehe I. Mrutu

TL;DR
This paper introduces a novel Soft Viterbi Algorithm decoder with Non-transmittable Codewords tailored for storage media, demonstrating significant error reduction in simulations compared to traditional Reed Solomon methods.
Contribution
The study designs and evaluates a new SVAD-NTCs decoder for storage media, showing improved error correction performance over existing algorithms.
Findings
Residual error reduced from 216,878 to 23,900
Performance improves with more NTCs up to 6, then plateaus
Simulation confirms effectiveness in noisy storage environments
Abstract
Viterbi Algorithm Decoder Enhanced with Non-transmittable Codewords is one of the best decoding algorithm which effectively improves forward error correction performance. HoweverViterbi decoder enhanced with NTCs is not yet designed to work in storage media devices. Currently Reed Solomon (RS) Algorithm is almost the dominant algorithm used in correcting error in storage media. Conversely, recent studies show that there still exist low reliability of data in storage media while the demand for storage media increases drastically. This study proposes a design of the Soft Viterbi Algorithm decoder enhanced with Non-transmittable Codewords (SVAD-NTCs) to be used in storage media for error correction. Matlab simulation was used in this design in order to investigate behavior and effectiveness of SVAD-NTCs in correcting errors in data retrieving from storage media.Sample data of one million…
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Taxonomy
TopicsError Correcting Code Techniques · Advanced Wireless Communication Techniques · Coding theory and cryptography
