A bispectrum detector for FM modulated wireless microphone signals

Authors:
Mehmet Bahadir Celebi;Hasari Celebi;Huseyin Arslan;Khalid Qaraqe
Affiliations:
University of South Florida, Tampa, Florida;Gebze Institute of Technology, Istanbul Caddesi, Gebze, Kocaeli, Turkey;University of South Florida, Tampa, Florida;Texas A&M University at Qatar, Education City, Doha, Qatar
Venue:
Proceedings of the 4th International Conference on Cognitive Radio and Advanced Spectrum Management
Year:
2011

Citing 2
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Abstract

Detection of primary services is important for the access of unlicensed/secondary services to TV bands in order to increase spectral efficiency. We proposed a weak wireless microphone signal detector based on higher-order spectral (bispectral) analysis. In order to reduce complexity, we estimated the bispectrum through the use of direct method and detection is performed over principal domain. Besides, probability of false alarm is derived for the proposed detector and its performance is investigated in various scenarios.