Journal
DIGITAL SIGNAL PROCESSING
Volume 66, Issue -, Pages 18-28Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.dsp.2017.04.002
Keywords
Blind signal detection; Power density spectrum; Moving average; Gaussian noise
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Funding
- Polish Ministry of Science and Higher Education [08/83/DSPB/4717]
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Signal detection in additive white Gaussian noise (AWGN) is one of the long-term developments driving the evolution of many different fields of science and technology, with important applications in telecommunications, medicine and astronomy. In this paper, we propose a novel method of blind signal detection that does not require knowledge of the noise variance. This method uses the distribution of the bin values of the power spectrum density of the received signal and the moving average (MAV). The simulation results for radio pulses show that the spectrum sensing performance is significantly improved under the proposed scheme compared to that of known blind signal detection methods. (C) 2017 Elsevier Inc. All rights reserved.
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