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Channel Availability for Mobile Cognitive Radio Networks

Cacciapuoti, Angela Sara and Caleffi, Marcello and Paura, Luigi and Rahman, Md. Arafatur (2015) Channel Availability for Mobile Cognitive Radio Networks. Journal of Network and Computer Applications, 47. pp. 131-136. ISSN 1084-8045

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Abstract

Channel availability is defined as the probability of a licensed channel being available for the communications of unlicensed users. Channel availability is a key parameter for an effective design of channel selection strategies as well as routing metrics in cognitive radio networks. In static scenarios, the availability of a channel depends only on the primary user’s activity. Differently, in mobile scenarios, the availability of a channel dynamically varies in time due to the changes of the users’ relative positions. In this paper, we design a channel-availability estimation strategy by explicitly accounting for the features of mobile scenarios. The simulation results reveal the benefits of adopting the proposed strategy in cognitive radio networks.

Item Type: Article
Uncontrolled Keywords: Cognitive radio; Mobility; Channel availability; Routing metric
Subjects: Q Science > QA Mathematics > QA76 Computer software
Faculty/Division: Faculty of Computer System And Software Engineering
Depositing User: Dr. Md. Arafatur Rahman
Date Deposited: 17 Dec 2014 07:46
Last Modified: 24 Jan 2018 03:00
URI: http://umpir.ump.edu.my/id/eprint/7441
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