Computer Science – Networking and Internet Architecture
Scientific paper
2011-08-06
International Journal of Parallel and Distributed Systems, Vol. 2, NO 4, July 2011
Computer Science
Networking and Internet Architecture
13 pages, 11 figures
Scientific paper
Today's wireless networks are characterized by fixed spectrum assignment policy. The limited available spectrum and the inefficiency in the spectrum usage necessitate a new communication paradigm to exploit the existing wireless spectrum opportunistically. Cognitive radio is a paradigm for wireless communication in which either a network or a wireless node changes its transmission or reception parameters to communicate efficiently avoiding interference with licensed or unlicensed users. In this work, a fuzzy logic based system for spectrum management is proposed where the radio can share unused spectrum depending on some parameters like distance, signal strength, node velocity and availability of unused spectrum. The system is simulated and is found to give satisfactory results.
Agarwal Anjali
Bhattacharya Partha Pratim
Gera Rishita
Khandelwal Ronak
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