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Title

Energy-Efficient Cooperative Spectrum Sensing Using Two Hard Decision Rules

Year: 1395
COI: ICIKT08_037
Language: EnglishView: 356
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Authors

Maryam Najimi - Dept. of Electrical and Computer Engineering University of Science and Technology of Mazandaran Behshahr, Mazandaran, Iran
Ataollah Ebrahimzadeh - Dept.of Electrical and Computer Engineering Babol university of Technology Babol,Mazandaran, Iran
Seyed Mehdi Hoseeini Andargoli - Dept.of Electrical and Computer Engineering Babol university of Technology Babol,Mazandaran, Iran

Abstract:

In this paper, we propose a sensing nodes selection scheme to achieve energy efficiency in cooperative spectrum sensing for cognitive sensor networks. In cooperative spectrum sensing, nodes send their results to a fusion center (FC) to make the final decision using a fusion rule. While minimize the energy consumption, we also consider improving the detection performance in our approach by maximizing the global probability of detection and minimizing the global probability of false alarm. Moreover, we simplify the resulted NP-complete problem by mapping the assignment indices from integer to the real domain. A closed-form equation is obtained to determine the priority of nodes for sensing and a solution is provided based on convex optimization techniques. The proposed algorithm is independent of the distribution of the global probability of detection and the type of selecting fusion rule. Simulation results is investigated for AND and OR fusion rules and show that our algorithm is very effective in saving energy in different scenarios.

Keywords:

Cognitive wireless sensor networks , detection and false alarm probabilities , fusion center , cooperative spectrum sensing

Paper COI Code

This Paper COI Code is ICIKT08_037. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/548696/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Najimi, Maryam and Ebrahimzadeh, Ataollah and Hoseeini Andargoli, Seyed Mehdi,1395,Energy-Efficient Cooperative Spectrum Sensing Using Two Hard Decision Rules,The Eighth International Conference on Information and Knowledge Technology,Hamadan,https://civilica.com/doc/548696

مراجع و منابع این Paper:

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  • _ _ _ _ 13-18, Aug. 1999. ...
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  • _ _ _ _ no. 6, pp. 2204-2213, June 2007. ...
  • vol. 6, no. 6, pp. 22 14-2222, 2007 ...
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  • S. Maleki, A. Pandharipande, and G. Leus, _ 'Energy-effic ient ...
  • S. Atapattu, C. Tellambura, and H. Jiang, "Energy detection based ...
  • D. Cabric, S. M. Mishra, and R. W. Brodersen, _ ...
  • F. F. Digham, M.-S. Alouini and M. K. Simon, "On ...
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  • _ _ _ _ no.10, Oct.2008. ...
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  • _ _ _ ofdm ...
  • _ Convex Optimizatio. Cambridge, U.K. ...
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  • S. Maleki, A. Pandharipande, and G. Leus, "Energy efficient distributed ...
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