Estimating the number of frequency hopping interferers using spectral sensing with time and frequency offset measurements

Authors:
Alican Gök;Shaunak Joshi;John Villasenor;Danijela Cabric
Affiliations:
Electrical Engineering Department, University of California, Los Angeles;Electrical Engineering Department, University of California, Los Angeles;Electrical Engineering Department, University of California, Los Angeles;Electrical Engineering Department, University of California, Los Angeles
Venue:
MILCOM'09 Proceedings of the 28th IEEE conference on Military communications
Year:
2009

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Abstract

A critical aspect of spectrum sensing involves determining the number and type of transmitters in the band of interest. We present a technique that exploits a combination of temporal and frequency-based analysis to enable significantly more accurate frequency offset measurements than would be possible with frequency domain measurements alone, thus enabling improved RF fingerprinting for frequency hopping devices.