PERFORMANCE OF A SIMPLIFIED SOFT-DISTANCE DECODING ALGORITHM FOR LDPC CODES OVER THE RAYLEIGH FADING CHANNEL

被引：0
|
作者：
Arnone, L. J. [1 ]
Liberatori, M. [1 ]
Petruzzi, D. M. [1 ]
Farrell, P. G. [2 ]
Moreira, J. Castineira [1 ,3 ]
机构：
[1] Univ Nacl Mar Del Plata, Fac Ingn, Buenos Aires, DF, Argentina
[2] Univ Lancaster, Dept Commun Syst, Lancaster, England
[3] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina
来源：
LATIN AMERICAN APPLIED RESEARCH | 2013年 / 43卷 / 03期
关键词：
LDPC codes; Rayleigh Channel; Soft Distance decoding; PARITY-CHECK CODES;
D O I：
暂无
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
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.
引用
收藏
页码：219 / 223
页数：5
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