Spectrum Detection for Cognitive Radio Based on Auto-Adaptive Threshold

Abstract:

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This paper proposed a cooperative spectrum sensing scheme based on auto-adaptive threshold in multi-user cognitive radio network, which can improve detection performance of cognitive user. According to closed-form expressions of detection probability, we compared the noncooperative scheme with the multi-user cooperative scheme, and compared the auto-adaptive threshold with fixed threshold in terms of detection probability through imitation. Result shown that the detection probability of multi-user cooperative detection is improved greatly compared to traditional noncooperative detection, and auto-adaptive scheme is advantage more than fixed threshold detection.

Info:

Periodical:

Edited by:

Yanwen Wu

Pages:

614-620

DOI:

10.4028/www.scientific.net/AMR.187.614

Citation:

L. N. Chen and C. Y. Miao, "Spectrum Detection for Cognitive Radio Based on Auto-Adaptive Threshold", Advanced Materials Research, Vol. 187, pp. 614-620, 2011

Online since:

February 2011

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Price:

$35.00

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