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Wonsuk Chung, Sungsoo Park, Sungmook Lim, and Daesik Hong, "Spectrum Sensing Optimization for Energy-Harvesting Cognitive Radio Systems", IEEE Trans. on Wireless Comm., Jan. 2014

[IEEE Trans. Wireless Commun.]
조회 46647
Status : Published 
Date : 2014-01 
Title : Spectrum Sensing Optimization for Energy-Harvesting Cognitive Radio Systems 
Authors : Wonsuk Chung, Sungsoo Park, Sungmook Lim, and Daesik Hong 
Journal : IEEE Transactions on Wireless Communications 
Abstract : We consider an energy-harvesting cognitive radio system where the secondary transmitter harvests energy. This system operates under an energy causality constraint mandating that the average energy consumption must not exceed the average harvested energy, and a collision constraint mandating the protection of the primary system. The purpose of this paper is to identify the optimal pairing of the sensing duration and the energy detector’s sensing threshold in order to maximize the average throughput of the secondary network. Since the sensing duration and sensing threshold are intertwined with the energy causality constraint, they need to be redesigned with the purpose of conserving energy in mind. Hence, the sensing duration must be shorter while still satisfying the collision constraint. The numerical results show that the optimal sensing duration is determined based on which constraint, collision or energy causality, needs to have priority. In addition, the simulation results show a pairing of the optimal sensing duration and sensing threshold provided by the coordination between the two constraints, which gives insight into how to design them. 
URL : http://ieeexplore.ieee.org/xpl/articleDe...io+Systems 
Download : http://mirinae.yonsei.ac.kr/?module=file...068126a254 
Wonsuk Chung; Sungsoo Park; Sungmook Lim; Daesik Hong, "Spectrum Sensing Optimization for Energy-Harvesting Cognitive Radio Systems," Wireless Communications, IEEE Transactions on , vol.13, no.5, pp.2601,2613, May 2014
doi: 10.1109/TWC.2014.032514.130637
keywords: {cognitive radio;energy consumption;energy harvesting;radio spectrum management;radio transmitters;energy consumption;energy-harvesting cognitive radio systems;secondary network;secondary transmitter harvests energy;spectrum sensing optimization;Batteries;Energy consumption;Interference;Radio transmitters;Sensors;Throughput;Cognitive radio networks;energy-harvesting;sensing duration;spectrum sensing},
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6783667&isnumber=6814382
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» [IEEE Trans. Wireless Commun.] Wonsuk Chung, Sungsoo Park, Sungmook Lim, and Daesik Hong, "Spectrum Sensing Optimization for Energy-Harvesting Cognitive Radio Systems", IEEE Trans. on Wireless Comm., Jan. 2014 file Published  2014-01 
9 [IEEE Trans. Wireless Commun.] Jihaeng Heo, Hyungsik Ju, Sungsoo Park, Eunsun Kim, and Daesik Hong, "Simultaneous Sensing and Transmission in Cognitive Radio," IEEE Transactions on Wireless Communications, Jan. 2014 file Published  2014-01 
8 [IEEE Trans. Wireless Commun.] Sungsoo Park, and Daesik Hong, "Achievable Throughput of Energy Harvesting Cognitive Radio Networks," IEEE Trans. Wireless Commun., Feb. 2014 file Published  2014-02 
7 [IEEE Trans. Wireless Commun.] Sungsoo Park and Daesik Hong, "Optimal Spectrum Access for Energy Harvesting Cognitive Radio Networks," IEEE Transactions on Wireless Communications, Dec. 2013 file Published  2013-12 
6 [IEEE Trans. Wireless Commun.] Sungsoo Park, Hyungjong Kim, and Daesik Hong, "Cognitive Radio Networks with Energy Harvesting," IEEE Trans. on Wireless Comm., Mar. 2013 file Published  2013-03 
5 [IEEE Trans. Veh. Technol.] Gosan Noh, Hano Wang,Junho Jo, Byoung-Hoon Kim, and Daesik Hong,"Reporting Order Control for Fast Primary Detection in Cooperative Spectrum Sensing" IEEE Trans. Veh. Technol., Oct. 2011 file Published  2011-10 
4 [IEEE Trans. Veh. Technol.] Gosan Noh, Jemin Lee, Hano Wang, Sungtae Kim, Sooyong Choi, and Daesik Hong, "Throughput Analysis and Optimization of Sensing-Based Cognitive Radio Systems with Markovian Traffic," IEEE Trans. Veh. Technol., Oct. 2010 file Published  2010-10 
3 [Other Journals] Hano Wang, Gosan Noh, Dongkyu Kim, Sungtae Kim and Daesik Hong, "Advanced Sensing Techniques of Energy Detection in Cognitive Radios", Journal of Comm. and Networks, Feb 2010 Published  2010-02 
2 [IEEE Trans. Wireless Commun.] Jemin Lee, Hano Wang, Sungtae Kim, and Daesik Hong, "Sensing Threshold Control for Fair Coexistence of Heterogeneous Systems in Open Spectrum" IEEE Trans. Wireless Comm., Dec 2009 file Published  2009-12 
1 [IEEE Signal Process. Lett.] Sungtae Kim, Jemin Lee, Hano Wang, Daesik Hong "Sensing Performance of Energy Detector with Correlated Multiple Antennas" IEEE SP Letters., Aug 2009 file Published  2009-08 
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