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|Title:||Design and study of high bit-rate free-space optical communication system employing QPSK modulation|
|Keywords:||Bit error rate|
Diffused link setup
Wireless sensor network
|Abstract:||We have proposed Free-Space Optics systems (FSO), which are Diffused Link (DL) and Line-of-Sight (LOS) setup using Quadrature Phase Shift Keying (QPSK) technique. The optimized coverage distance, for an input power level of 5 dBm and data rate of 1 Gbps, is found to be 1036.307m and 2388.725km for DL and LOS setup respectively. Also, the proposed system is simulated for 1.25 Gbps, 2.5 Gbps, 10 Gbps, 40 Gbps and 100 Gbps with free-space attenuation of 200 dB/km using Optisystem 9.0 and Matlab 7.9.0. The system will be useful, where the coverage area, performance, security and cost-savings are critical factors. Copyright � 2013 Inderscience Enterprises Ltd.|
|Appears in Collections:||Research Publications|
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