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http://dx.doi.org/10.12673/jant.2020.24.2.121

Improvement of Resource Utilization by Dynamic Spectrum Hole Grouping in Wideband Spectrum Cognitive Wireless Networks  

Lee, Jin-yi (Department of Electronic Engineering, Chungwoon University)
Publication Information
Journal of Advanced Navigation Technology / v.24, no.2, 2020 , pp. 121-127 More about this Journal
Abstract
In this paper, we propose a dynamic spectrum hole grouping method that changes the grouping range of spectrum hole according to the resources amount required by secondary users in wideband spectrum cognitive wireless networks, and then the proposed method is applied to channel allocation for the secondary user service. The proposed method can improve waste of resources in the existing static spectrum hole grouping in virtue of grouping dynamically as much the predicted spectrum holes resources as secondary users require. Simulation results show that channel allocation method with the proposed dynamic grouping outperforms that with the static grouping method in resources utilization under acceptable secondary user service performance.
Keywords
Resources utilization; Dynamic spectrum hole grouping; Channel allocation; Wideband spectrum cognitive wireless networks;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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