Decision Node Based Spectrum Sensing in Multi Antenna Network
Publish Year: 1400
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
RADARC08_070
تاریخ نمایه سازی: 7 دی 1400
Abstract:
This paper will address sensor selection problem for spectrum sensing in cognitive radio network. The sensor’s limited energy is an important issue which has attracted more attention in recent years. An energy efficient cooperative spectrum sensing will hereby be proposed based on joint sensing node and decision node based clustering. The proposed scheme is extracted based on convex optimization framework. Simulation results show that using decision node clustering with cooperative multiple antenna sensing achieves a significant energy saving in comparison with single antenna sensor network and the network without any decision node.
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Authors
Ayaz Ghorbani
Department of Electrical Engineering Amirkabir University Tehran, Iran
Esmail Zarezadeh
Department of Electrical Engineering Amirkabir University Tehran, Iran
Mina Khodarahmi
Department of Electrical Engineering Imam Khomeini International University Ghazvin, Iran