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Latin American applied research
versão impressa ISSN 0327-0793versão On-line ISSN 1851-8796
Resumo
ARNONE, L.J et al. Performance of a simplified soft-distance decoding algorithm for LDPC codes over the rayleigh fading channel. Lat. Am. appl. res. [online]. 2013, vol.43, n.3, pp.219-223. ISSN 0327-0793.
In this paper, we investigate the performance of a Soft-Input soft-Output decoding algorithm for LDPC codes that uses Euclidean distance as its metric, in the Rayleigh fading channel. It is found that its Bit Error Rate performance is close to that of traditional decoding algorithms like the Sum-Product algorithm and its logarithmic version. Main characteristics of the proposed algorithm and its modification to perform over the Rayleigh channel are described. This algorithm uses squared Euclidean distance as the metric, does not require knowledge of the signal-to-noise ratio of the received signal, and is less complex to implement than other soft-input, soft-output algorithms
Palavras-chave : LDPC Dodes; Rayleigh Channel; Soft Distance Decoding.