A. A. Abu Tair, M. El Astal, M. Shaat, F. El-Nahal
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引用次数: 1
Abstract
In Cognitive Radio (CR) systems, the spectrum handoff is a key-factor as it could affect propagation path nature. Accordingly, it may affect the overall system coverage and performance. In this article, a new spectrum-handoff strategy is proposed in order to minimize the occurrence of spectrum handoff and hence to achieve a better transmission performance. Specifically, it provide a better channel-selection strategy combined with a power adaptation scheme. This is to reduce/avoid interference and also to conserve power consumption in the system and hence get a greener communication system. The simulation results show an enhancement of up to 64%in switching requests. Also, the system is analyzed in terms of BER and compared to others to show the performance maintained.
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