Spectrum Sensing Method of Cognitive Network applying Energy Harvesting
Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.15, No. 3)Publication Date: 2015-06-30
Authors : Tae-Wook Kim; Hyung-Yun Kong;
Page : 73-76
Keywords : Cognitive Network; Spectrum Sensing; Energy Harvesting;
Abstract
In this paper, we propose energy harvesting apply to spectrum sensing. In this case, we can be spectrum sensing without consume energy. Algorithms of sensing and harvesting are determine active or idle of primary network, Compares with the threshold energy and the amount of energy that is harvested by energy harvesting scheme. If the secondary network want to send a message while the primary network is active, secondary users will change frequency to use the spectrum. Further, if the secondary network has not message, it will continues harvest energy. Therefore, spectrum sensing applied the energy harvesting method, energy of secondary network is remove waste and charge energy. So, efficiency and utilization of cognitive network can be increase.
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Last modified: 2015-11-20 16:13:53