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http://dx.doi.org/10.12673/jant.2011.15.5.757

Channel Reservation Scheme Using Wiener Prediction Theory for Cognitive Radio Networks  

Lee, Jin-Yi (Dept.of Electronics Engineering, Chungwoon University)
Publication Information
Journal of Advanced Navigation Technology / v.15, no.5, 2011 , pp. 757-763 More about this Journal
Abstract
This paper presents a channel reservation scheme using Wiener prediction model in order to reduce the rate of forced termination of cognitive users in cognitive radio networks. The proposed method uses Wiener prediction model to predict the number of radio channel required by the reappearance of primary users, and then calculates and reserves the number of channels that cognitive users demand for their spectrum handoff. Through the simulation we investigate cognitive users' forced termination rate and blocking rate with and without channel reservation. In addition we show the bandwidth utilization efficiency for both cases. The results show that the proposed scheme can reduce the forced termination rate of cognitive users at the cost of slightly increasing in blocking rate. Also it is seen that there is little difference in bandwidth utilization efficiency for both cases.
Keywords
Cognitive radio networks; Wiener prediction model; Channel reservation; Forced termination rate;
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Times Cited By KSCI : 2  (Citation Analysis)
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