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2012 (Vol. 4, Issue: 04)
Article Information:

A Blind Source Separation-Based Positioning Algorithm for Cognitive Radio Systems

Siavash Sadeghi Ivrigh, Seyed Mohammad-Sajad Sadough and Seyed Ali Ghorashi
Corresponding Author:  Siavash Sadeghi Ivrigh 

Key words:  Blind source separation, cognitive radio, kurtosis, positioning and localization, , ,
Vol. 4 , (04): 299-305
Submitted Accepted Published
2011 August, 03 2011 September, 25 2012 February, 15
Abstract:

In Cognitive Radio (CR) networks, estimating the location of primary users can be used to avoid interfering primary users and exploit spatial resources by using some relaying or beamforming schemes. In this paper, we propose an algorithm to find the position of the primary users by exploiting blind source separation techniques. While conventional positioning algorithms proposed for CR networks need to use antenna arrays to estimate the position of more than one primary user, the main advantage of the proposed method is that it can estimate the position of more than one primary user at once, by using only a single antenna. Simulation results confirm the adequacy of the proposed method with an acceptable accuracy compared to conventional positioning techniques.
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  Cite this Reference:
Siavash Sadeghi Ivrigh, Seyed Mohammad-Sajad Sadough and Seyed Ali Ghorashi, 2012. A Blind Source Separation-Based Positioning Algorithm for Cognitive Radio Systems.  Research Journal of Applied Sciences, Engineering and Technology, 4(04): 299-305.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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