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Energy Efficient Resource Allocation with Energy Harvesting in Cognitive Radio Networks
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인지 라디오 네트워크에서 에너지 하베스팅을 고려한 에너지 효율적 자원 할당 방안

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Type
Academic journal
Author
Kisong Lee (국립군산대학교) Woongsup Lee (경상대학교)
Journal
The Korea Institute of Information and Communication Engineering Journal of the Korea Institute of Information and Communication Engineering Vol.20 No.7 KCI Accredited Journals
Published
2016.7
Pages
1,255 - 1,261 (7page)

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Energy Efficient Resource Allocation with Energy Harvesting in Cognitive Radio Networks
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Abstract· Keywords

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Recently, the energy harvesting technology in which energy is collected from the wireless signal which is transmitted by mobile communication devices, has been considered as a novel way to improve the life time of wireless sensors by mitigating the lack of power supply problem. In this paper, we consider the optimal sensing time and power allocation problem for cognitive radio systems, where the energy efficiency of secondary user is maximized while the constraint are satisfied, using the optimization technique. Based on the derived optimal solutions, we also have proposed an iterative resource allocation algorithm in which the optimal power and sensing time allocation can be found without excessive computations. The simulation results confirm that the proposed scheme achieves the optimal performance and it outperforms the conventional resource allocation schemes in terms of energy efficiency while the constraints are guaranteed to be satisfied.
#에너지 효율성 #에너지 하베스팅 #인지 라디오 #파워 할당 #Energy Efficiency #Energy Harvesting #Cognitive Radio #Power Allocation

Contents

요약
ABSTRACT
Ⅰ. 서론
Ⅱ. 시스템 모델
Ⅲ. 에너지 효율적 자원 할당 기법
Ⅳ. 시뮬레이션 결과
Ⅴ. 결론
REFERENCES

References (10)

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[기타자료] - / 2011 / Study on enhancements for MTC, 3GPP TR Std. TR 22.888, v.0.4.0 google schola [학술지(정기간행물)] - M. Pinuela / 2013 / Ambient RF energy harvesting in urban and semi-urban environments / IEEE Trans. Microwave Theory Tech 61 (7) : 2715 ~ 2726 google schola [학술지(정기간행물)] - X. Kang / 2009 / Sensing-based spectrum sharing in cognitive radio networks / IEEE Trans. Veh. Technol 58 (8) : 4649 ~ 4654 google schola [학술지(정기간행물)] - S. Stotas / 2011 / Optimal sensing time and power allocation in multiband cognitive radio networks / IEEE Trans. Commun 59 (1) : 226 ~ 235 google schola [학술지(정기간행물)] - S. Lee / 2013 / Opportunistic wireless energy harvesting in cognitive radio networks / IEEE Trans. Wireless Commun 12 (9) : 4788 ~ 4799 google schola

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UCI(KEPA) : I410-ECN-0101-2017-004-001023586