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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 |
| Download Statistic: | View Download Statistics |
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