计算机工程2012，Vol.38Issue(20)：72-75,80,5.DOI:10.3969/j.issn.1000-3428.2012.20.019
紫外非视距通信的MLSE均衡器
MLSE Equalizer of Ultraviolet Non-Line-of-Sight Communication
黄泽1
作者信息
- 1. 河池学院计算机与信息科学系,广西河池546300
- 折叠
摘要
Abstract
For simulation of the atmosphere channel in the Non-Line-of-Sight(NLOS) ultraviolet communications, this paper proposes the application of Maximum Likelihood Sequence Estimation(MLSE) in wireless ultraviolet NLOS communication. The probability density function of the received signals is derived in ultraviolet communication so that the output bit error rate of equalizer can be studied. The theoretical analysis and simulation results show that the performance of equalizer is nearly not affected by the attenuation coefficient and channel bandwidth for the short range communication, but is sensitive to variation of both for the long range communication with the same Signal-to-Noise Ratio(SNR). Meanwhile, the performance of equalizer is sensitive to variation of channel length, and not sensitive to modulation schemes.
关键词
非视距/紫外通信/最大似然序列估计/均衡器/码间干扰/信噪比Key words
Non-Line-of-Sight(NLOS)/ ultraviolet communication/ Maximum Likelihood Sequence Estimation(MLSE)/ equalizer/ inter-symbol interference/ Signal-to-Noise Ratio(SNR)
分类
信息技术与安全科学引用本文复制引用
黄泽..紫外非视距通信的MLSE均衡器[J].计算机工程,2012,38(20):72-75,80,5.
