2016년 컴퓨터종합학술대회
Current Result Document :
| 한글제목(Korean Title) |
Energy-Efficient Spectrum Sensing for CRSNs via Optimization of Sensing Time |
| 영문제목(English Title) |
Energy-Efficient Spectrum Sensing for CRSNs via Optimization of Sensing Time |
| 저자(Author) |
Fanhua Kong
Jinsung Cho
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| 원문수록처(Citation) |
VOL 43 NO. 01 PP. 1177 ~ 1179 (2016. 06) |
한글내용
(Korean Abstract) |
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영문내용
(English Abstract) |
In cognitive radio sensor networks (CRSNs), secondary users (SUs) can occupy licensed bands opportunistically without causing interferences to primary users (PUs). SUs perform spectrum sensing to detect PUs are present or not. Sensing time is a critical parameter for spectrum sensing. It can yield a tradeoff between sensing performance and secondary throughput. In this paper, we propose an energy-efficient spectrum sensing scheme for CRSNs. In our proposed scheme, SU will dynamically decide to perform spectrum sensing one or two periods according to the sensing result of the current frame. Because of energy constraint in CRSNs, the network energy efficiency is maximized via optimization of sensing time. Simulation results show that our proposed scheme can obtain a better performance in terms of energy efficiency. Simultaneously, PU can be provided a better protection.
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| 키워드(Keyword) |
Cognitive radio sensor network
sensing time
energy efficiency
miss detection probability.
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| 파일첨부 |
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