Analysis on Spectrum Utilization Strategies in Cognitive Radio Network Based on Multi-Antenna Wireless Energy Transfer 


Vol. 41,  No. 5, pp. 512-519, May  2016


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  Abstract

This paper presents spectrum utilization strategies in cognitive radio (CR) networks powered by multi-antenna based wireless energy transfer. Secondary access point (AP) with multiple antennas should transfer the energy to the secondary sensor nodes with energy beamforming and simultaneously induces no interference to PUs. In addition, sensor nodes can transmit information to the secondary AP using the harvested energy, only when the spectrum is not utilized by PUs. We analyze the achievable rate of the CR sensor networks and propose an interference nulling energy beamforming method to maximize the achievable rate. Finally, we also propose a frame scheduling algorithm in which the durations of wireless energy transfer/information transfer frames (phases) are optimized.

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  Cite this article

[IEEE Style]

S. Lee, J. Park, K. Kang, Y. Park, "Analysis on Spectrum Utilization Strategies in Cognitive Radio Network Based on Multi-Antenna Wireless Energy Transfer," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 5, pp. 512-519, 2016. DOI: .

[ACM Style]

Sung-bok Lee, Jaehyun Park, Kyu-Min Kang, and Yunju Park. 2016. Analysis on Spectrum Utilization Strategies in Cognitive Radio Network Based on Multi-Antenna Wireless Energy Transfer. The Journal of Korean Institute of Communications and Information Sciences, 41, 5, (2016), 512-519. DOI: .

[KICS Style]

Sung-bok Lee, Jaehyun Park, Kyu-Min Kang, Yunju Park, "Analysis on Spectrum Utilization Strategies in Cognitive Radio Network Based on Multi-Antenna Wireless Energy Transfer," The Journal of Korean Institute of Communications and Information Sciences, vol. 41, no. 5, pp. 512-519, 5. 2016.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880