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Soft decoding of algebraic-geometric codes using Koetter-Vardy algorithm

Lookup NU author(s): Dr Li Chen, Emeritus Professor Rolando Carrasco

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Abstract

The first soft-decision decoding algorithm for algebraic-geometric codes is presented. This algorithm is developed based on the Koetter-Vardy algorithm, which was proposed for the decoding of Reed-Solomon codes. The interpolation process is modified by redefining the zero condition of a trivariate polynomial and introducing complexity reducing methods. Simulation results show that 0.7 and 1.7 dB performance improvements over the hard-decision decoding bound can be achieved in AWGN and quasi-static Rayleigh fading channels, respectively.

Publication metadata

Author(s): Chen L, Carrasco RA

Publication type: Article

Publication status: Published

Journal: Electronics Letters

Year: 2009

Volume: 45

Issue: 25

Pages: 1334-1335

ISSN (print): 0013-5194

ISSN (electronic): 1350-911X

Publisher: The Institution of Engineering and Technology

URL: http://dx.doi.org/10.1049/el.2009.0940

DOI: 10.1049/el.2009.0940

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