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Radio spectrum is the most valuable resource in wireless communication. The cognitive radio and cognitive based networking are transforming the static spectrum allocation based communication systems in to dynamic spectrum allocation. Cognitive radios are intelligent devices with ability to sense environmental conditions and can change its parameters(More)
Free-space optics (FSO) is subject of interest for researchers due to its various advantages like high bandwidth, low setup cost, easy installation, license free spectrum and secure communication. Although there are various advantages of using FSO but when it comes to its implementation FSO links are highly affected by various weather factors like fog,(More)
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