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The Performance Gain of Cognitive Radio in Adaptive Modulation Scheme

Author(s): Fotis Foukalas

Journal: Wireless Engineering and Technology
ISSN 2152-2294

Volume: 01;
Issue: 01;
Start page: 10;
Date: 2010;
Original page

Keywords: Cognitive Radio | Adaptive Modulation | Performance Gain

Cognitive radio is considered as one of the main enablers for provisioning dynamic and flexible spectrum/channel allocation in wireless communications. The reliable data transmission over cognitive radio should employ modulation, coding etc. and thus the performance of such a new communication system should be realized. In this paper, we provide the performance analysis of adaptive modulation over a cognitive radio system in order to study the potential gain of cognitive radios in terms of spectral efficiency. The results obtained show that the performance gain of cognitive radio in adaptive modulation is remarkable.

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