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International Journal of Advanced Engineering, Management and Science

Cooperative Spectrum Sensing Technique Based on Blind Detection Method

( Vol-2,Issue-10,October 2016 )

Author(s): B. Vijayalakshmi, P. Siddaiah

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Page No: 1772-1776
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Cooperative Spectrum, Cognitive radio, Spectrum Sensing, Eigenvalue-based Detection.


Spectrum sensing is a key task for cognitive radio. Our motivation is to increase the probability of detection of spectrum sensing in cognitive radio. The spectrum-sensing algorithms are proposed based on the statistical methods like EVD,CVD of a covariance matrix. In this Two test statistics are then extracted from the sample covariance matrix. The decision on the signal presence is made by comparing the two test statistics.The Detection probability and the associated threshold are found based on the statistical theory. In this paper, we study the collaborative sensing as a means to improve the performance of the proposed spectrum sensing technique and show their effect on cooperative cognitive radio network. Simulations results and performances evaluation are done in Matlab and the results are tabulated.

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