NDLI: Energy efficient sensor selection for cooperative spectrum sensing in multi-primary user scenarios

Content Provider	IEEE Xplore Digital Library
Author	Avili, M.G. Andargoli, S.M.H.
Copyright Year	2015
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Babol Noshirvani Univ. of Technol., Babol, Iran (Avili, M.G.; Andargoli, S.M.H.)
Abstract	In this paper, the problem of sensor selection for energy efficient spectrum sensing in wireless sensor networks is addressed while considering several primary users operating asynchronously in the specified frequency band. The basic notion of the paper is to overcome the limited energy budget in wireless sensor networks and also the hidden primary user problem. The original problem of minimizing energy consumption in multi-primary user scenarios considering the detection performance constraints has NP-hard form, so we relaxed it to a tractable form where sub-optimal solutions are extracted based on the convex optimization framework. For the sake of simplicity, energy detector is considered as a practical sensing method. Simulation results show that the proposed algorithms not only decrease energy consumption in comparison with benchmark algorithms, but also improve the detection performance.
Starting Page	225
Ending Page	230
File Size	588623
Page Count	6
File Format	PDF
e-ISBN	9781479919727
DOI	10.1109/IranianCEE.2015.7146214
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-10
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrical engineering Decision support systems Wireless sensor network False alarm probability Conferences Cooperative spectrum sensing Multi-primary user Fusion center Cognitive radio Detection probability
Content Type	Text
Resource Type	Article

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