Estimation on BERs of digital fiber-optic communication links using importance sampling

被引：0
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作者：
Zhu, Qiuping
Liu, Guohua
Fang, Zhihao
机构：
来源：
Tien Tzu Hsueh Pao/Acta Electronica Sinica | 2000年 / 28卷 / 04期
关键词：
Bit error rate - Computer aided analysis - Digital communication systems - Fiber optics - Monte Carlo methods;
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摘要：
The importance Sampling (IS) technique is used to estimate the BERs (Bit Error Rates) of digital fiber-optic communication links. Meanwhile, Large Deviations Theory (LDT) technology is adopted and the optimized exponentially twisting (α-Tilted) density of LDT is selected as IS biased density. Experimental results show that this kind of IS simulation method based on LDT has very high efficiency, accuracy and reliability. Especially, it is adapted to estimate very low BERs of communication links. This method provides an useful tool for researching into Computer-Aided Modeling, Analysis and Design (CAMAD) of digital fiber-optic communication links.
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页码：14 / 16
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