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Spectrum Allocation Algorithm Aware Spectrum Aggregation in Cognitive Radio Networks

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5 Author(s)
Fei Sheng ; Res. Center, Harbin Inst. of Technol. Commun., Harbin, China ; Lin Ma ; Xuezhi Tan ; Cong Yin
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The low spectrum utilization has limited the development of wireless communication is a common view In Cognitive Radio (CR). And the idle spectrum holes are too narrow to support high-speed communication is an another problem. The spectrum aggregation technology is supposed a hopeful method for the secondary users (SU) access to the idle spectrum. In order to improve the spectrum utilization, a spectrum allocation algorithm aware of spectrum aggregation is proposed in this paper. By aggregating different idle spectrum fragments and assigning them to the SUs by an opportunity way, the spectrum utilization is improved. The numerical results in the simulation shows the proposed algorithm successfully improves the spectrum utilization in the CR networks.

Published in:

Instrumentation, Measurement, Computer, Communication and Control (IMCCC), 2013 Third International Conference on

Date of Conference:

21-23 Sept. 2013