A New Stopping Criterion for Turbo Decoders Based on the Minimization of Error Probability

被引：0
|
作者：
Perisoara, Lucian Andrei [1 ,2 ]
Stoian, Rodica [1 ,2 ]
Sacaleanu, Dragos Ioan [2 ]
Stoichescu, Dan Alexandru [1 ,2 ]
机构：
[1] Univ Politehn Bucuresti, Fac Elect Telecommun & Informat Technol, Bucharest, Romania
[2] Univ Politehn Bucuresti, Res Ctr Spatial Informat, Bucharest, Romania
来源：
2014 22ND TELECOMMUNICATIONS FORUM TELFOR (TELFOR) | 2014年
关键词：
turbo codes; iterative decoding; LLR; stopping criterion;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This paper proposes a new criterion to stop the iterations in turbo decoders, based on the minimization of the probability of erroneous decisions, hence the name MinPe. The criterion analyses the evolution of Log-Likelihood Ratio (LLR) and compares the distance between the distributions of the LLR's negative and positive values with a threshold depending on the average of positive LLR's values. The iterative decoding process is stopped if the distance is greater than the threshold. The performances are analyzed in terms of Average Number of Iterations (ANT) and Bit Error Rate (BER) and compared with those of other classical criterions.
引用
收藏
页码：391 / 394
页数：4
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