Performance analysis of SAC-OCDMA in free space optical medium using DDW code
作者： Gurpreet Kaur , Gurinder Singh Bal
DOI: 10.1016/J.IJLEO.2016.12.057
关键词: Optics 、 Optical communication 、 Beam divergence 、 Interference (wave propagation) 、 Electronic engineering 、 Communications system 、 Power (physics) 、 Computer science 、 Code division multiple access 、 Code (cryptography) 、 Optical medium
摘要: Abstract Spectral amplitude coded Optical code division multiple access technique (SAC-OCDMA) has become a major area of research in optical communication. OCDMA allows users to medium simultaneously without any contention. It ability operate asynchronously, provide privacy and security reduce user interference. In this paper performance SAC-OCDMA with Diagonal double weight (DDW) FSO communication system is presented compared under different conditions rain haze. 10 simultaneous 5Gbps data rate are evaluated the system. Effect transmitted power beam divergence also studied. Results have been formulated based upon eye diagrams values Q- factor BER. Maximum distance covered Km BER −25 clear weather. Simulation results show that DDW able perform well at low also.
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