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Journal of Emerging Trends in Computing and Information Sciences >> Call for Papers Vol. 8 No. 3, March 2017

Journal of Emerging Trends in Computing and Information Sciences

Influence-Number of Antennas on the Total Sensing Time in Cognitive Radio Systems

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Author Ahmed S. Kadhim , Haider M. AlSabbagh
ISSN 2079-8407
On Pages 604-607
Volume No. 2
Issue No. 11
Issue Date November 01, 2011
Publishing Date November 01, 2011
Keywords Cognitive radio, antennas, sensing time. Radio systems.


Abstract

In the cognitive radio (CR) systems the total scanning time that is the time taken by the receiver to sense the spectrum is one of the issues in perspective of the overall system performance. This paper proposes architecture for a dedicated receiver capable to reduce sensing time with using dual part: the main receiver and a dedicated one, each with multiple antennas (M). The achieved results show that the total sensing time is reduced by approximately 1/M with using the proposed structure.

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