Fiber optics and optical communication improved maximum likelihood detection for mitigating fading estimation error in free space optical communication

CORC > 长春光学精密机械与物理研究所 > 中国科学院长春光学精密机械与物理研究所 > 中科院长春光机所知识产出

	Fiber optics and optical communication improved maximum likelihood detection for mitigating fading estimation error in free space optical communication
	Zhang L. ; Wu Z. ; Zhang Y. ; Detian H.
刊名	Optical Engineering
	2013
期号	52
ISSN号	ISBN/00913286
英文摘要	To mitigate the impact of the error between the estimated channel fading coefficient and the perfect fading coefficient on the bit error rate (BER), a priori conditional probability density function averaging the estimation error is proposed. Then, an improved maximum-likelihood (ML) symbol-by-symbol detection is derived for the free-space optical communication systems, which implement pilot symbol assisted modulation. To reduce complexity, a closed-form suboptimal improved ML detection is deduced using distribution approximation. Numerical results confirm that BER performance improvement can be reached by the improved ML detection, and that its suboptimal version performs as well as it does. Therefore, they both outperform classical ML detection, which doses not consider channel estimation error. 2013 Society of Photo-Optical Instrumentation Engineers (SPIE).
收录类别	EI
公开日期	2014-05-14
内容类型	期刊论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/40667]
专题	长春光学精密机械与物理研究所_中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Zhang L.,Wu Z.,Zhang Y.,et al. Fiber optics and optical communication improved maximum likelihood detection for mitigating fading estimation error in free space optical communication[J]. Optical Engineering,2013(52).
APA	Zhang L.,Wu Z.,Zhang Y.,&Detian H..(2013).Fiber optics and optical communication improved maximum likelihood detection for mitigating fading estimation error in free space optical communication.Optical Engineering(52).
MLA	Zhang L.,et al."Fiber optics and optical communication improved maximum likelihood detection for mitigating fading estimation error in free space optical communication".Optical Engineering .52(2013).