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Integrated Optical Wireless Network For Next Generation Wireless Systems

Author(s): Aditya Goel | Er.R.K Sethi

Journal: Signal Processing : An International Journal
ISSN 1985-2339

Volume: 3;
Issue: 1;
Start page: 1;
Date: 2009;
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Keywords: Fiber radio networks | Additive White Gaussian Noise (AWGN) | multimode optical fiber (MMOF) | orthogonal frequency division multiplexing (OFDM).

Next generation wireless networks need to support broadband wireless services at significantly reduced cost. The existing wireless systems can hardly provide transmission capacity of the order of few Mbps. However, millimeter waves and optical fiber can provide data capacity of the order of Gbps and Tbps respectively. Hence the requirements of broadband wireless system can be achieved through the integration of optical fiber and millimeter wireless systems. We suggest modified millimeter wireless system, with optical fiber as feeder network. Simulations have been carried out for AWGN and optical fiber channels using MATLAB code, so as to compare their individual performance. When compared it is observed that the performance of multimode optical fiber (MMOF) link even for distance of 80 KM is better than that of the AWGN channel with SNR of 50 dB and above. Hence, an integrated fiber radio network is an excellent cost effective media for higher data rate (>100Mbps).
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