NDLI: Efficient architecture for algebraic soft-decision decoding of Reed

Content Provider	IET Digital Library
Author	Li, Xuemei Zhang, Wei Liu, Yanyan
Abstract	Reed–Solomon (RS) codes possess excellent error correction capability. Algebraic soft-decision decoding (ASD) of RS codes can provide better correction performance than the hard-decision decoding (HDD). The low-complexity Chase (LCC) decoding has the lowest complexity cost and similar or even higher coding gain among all of the available ASD algorithms. Instead of employing complicated interpolation technique, the LCC decoding can be implemented based on the HDD. This study proposes a modified serial LCC decoder, which employs a novel syndrome calculation, polynomial selection, Chien search and Forney algorithm block. In addition, an improved two-dimensional optimisation is provided to reduce the hardware complexity of the proposed decoder. Compared with the previous design, the proposed decoder can improve about 1.27 times speed and obtain 1.29 times higher efficiency in terms of throughput-over-slice ratio.
Starting Page	10
Ending Page	16
Page Count	7
ISSN	17518628
Volume Number	9
e-ISSN	17518636
Issue Number	Issue 1, Jan (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/9/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2014.0460
Journal	IET Communications
Publisher Date	2014-10-22
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	2D Optimisation Algebraic Codes Algebraic Soft-decision Decoding ASD Algorithm Chien Search Code Coding Gain Error Correction Forney Algorithm Block Hard-decision Decoding HDD Interpolation Interpolation And Function Approximation Interpolation Technique LCC Decoding Low-complexity Chase Decoding Numerical Analysis Optimisation Optimisation Technique Polynomial Selection Reed-Solomon Code Reed–Solomon Codes RS Code
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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