Suboptimal maximum likelihood detection of on-off keying for a wireless   optical communication system

doi:10.1364/JOSAA.34.000798

CORC > 北京大学 > 信息科学技术学院

	Suboptimal maximum likelihood detection of on-off keying for a wireless optical communication system
	Li, Ruijie ; Ding, Shengli ; Dang, Anhong
刊名	JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
	2017
关键词	ATMOSPHERIC-TURBULENCE CHANNELS SEQUENCE DETECTION ERROR RATE PERFORMANCE ALGORITHM MODEL LINKS
DOI	10.1364/JOSAA.34.000798
英文摘要	This paper investigates a detection scheme without channel state information for wireless optical communication systems. Employing conventional on-off keying signals, we supposed that conditional probability density function P(r vertical bar 0) is much bigger than P(r vertical bar 0) when r < 0. Under this assumption, the suboptimal maximum likelihood scheme is obtained by utilizing the probability density function without channel information. Theoretical analysis shows the performance of the proposed scheme is close to the maximum likelihood symbol-by-symbol detection. Compared with the maximum likelihood symbol by symbol detection, Monte Carlo simulations show that the performance of the proposed scheme is about 0.62 dB loss for a gamma-gamma channel with a Rytov variance of 1 at the signal-to-noise ratio of 2 dB, but the efficient algorithm makes the real-time implementation of detection based on maximum likelihood feasible. Besides, the experiment is set up under 2 Gbps, and the experimental results match well with that of the theory and simulation. (C) 2017 Optical Society of America; National Key Basic Research Program of China [2013CB329205]; National Natural Science Foundation of China (NSFC) [60572002]; SCI(E); ARTICLE; 5; 798-803; 34
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/473736]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Li, Ruijie,Ding, Shengli,Dang, Anhong. Suboptimal maximum likelihood detection of on-off keying for a wireless optical communication system[J]. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION,2017.
APA	Li, Ruijie,Ding, Shengli,&Dang, Anhong.(2017).Suboptimal maximum likelihood detection of on-off keying for a wireless optical communication system.JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION.
MLA	Li, Ruijie,et al."Suboptimal maximum likelihood detection of on-off keying for a wireless optical communication system".JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION (2017).