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Sungsoo Park, Hyungjong Kim, and Daesik Hong, "Cognitive Radio Networks with Energy Harvesting," IEEE Trans. on Wireless Comm., Mar. 2013

[IEEE Trans. Wireless Commun.]
조회 50944
Status : Published 
Date : 2013-03 
Title : Cognitive Radio Networks with Energy Harvesting 
Authors : Sungsoo Park, Hyungjong Kim, and Daesik Hong 
Journal : IEEE Transactions on Wireless Communications 
Abstract : We consider a cognitive radio network with an energy-harvesting secondary transmitter to improve both energy efficiency and spectral efficiency. The goal of this paper is to determine an optimal spectrum sensing policy that maximizes the expected total throughput subject to an energy causality constraint and a collision constraint. The energy causality constraint comes from the fact that the total consumed energy should be equal to or less than the total harvested energy, while the collision constraint is required to protect the primary user. We first show that the system can be divided into a spectrum-limited regime and an energy-limited regime depending on where the detection threshold for the spectrum sensor lies. Assuming infinite battery capacity, we derive the optimal detection threshold that maximizes the expected total throughput subject to the energy causality constraint and the collision constraint. Analytical and numerical results show that the system is energy-limited if the energy arrival rate is lower than the expected energy consumption for a single spectrum access. They also show that a decreasing probability of accessing the occupied spectrum does not always result in decreased probability of accessing the idle spectrum in the energy-limited regime. 
URL : http://ieeexplore.ieee.org/xpl/articleDe...er=6449254 
Download : http://mirinae.yonsei.ac.kr/?module=file...b0f39bfbfd 

Park, S.; Kim, H.; Hong, D., "Cognitive Radio Networks with Energy Harvesting," Wireless Communications, IEEE Transactions on , vol.12, no.3, pp.1386,1397, March 2013
doi: 10.1109/TWC.2013.012413.121009
keywords: {Batteries;Cognitive radio;Energy consumption;Radio transmitters;Sensors;Throughput;Cognitive radio network;energy causality;energy harvesting;opportunistic spectrum access;renewable energy},
URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6449254&isnumber=6482467

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List of Articles
No.
Statussort Date
10 [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 
» [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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