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Proceedings Paper

Compressive sensing of frequency-hopping spread spectrum signals
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Paper Abstract

In this paper, compressive sensing strategies for interception of Frequency-Hopping Spread Spectrum (FHSS) signals are introduced. Rapid switching of the carrier among many frequency channels using a pseudorandom sequence (unknown to the eavesdropper) makes FHSS signals dicult to intercept. The conventional approach to intercept FHSS signals necessitates capturing of all frequency channels and, thus, requires the Analog-to-Digital Converters (ADCs) to sample at very high rates. Using the fact that the FHSS signals have sparse instanta- neous spectra, we propose compressive sensing strategies for their interception. The proposed techniques are validated using Gaussian Frequency-Shift Keying (GFSK) modulated FHSS signals as dened by the Bluetooth specication.

Paper Details

Date Published: 8 June 2012
PDF: 7 pages
Proc. SPIE 8365, Compressive Sensing, 83650P (8 June 2012); doi: 10.1117/12.919561
Show Author Affiliations
Feng Liu, Univ. of Arizona (United States)
Yookyung Kim, Univ. of Arizona (United States)
Nathan A. Goodman, Univ. of Oklahoma (United States)
Amit Ashok, College of Optical Sciences, Univ. of Arizona (United States)
Univ. of Arizona (United States)
Ali Bilgin, Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 8365:
Compressive Sensing
Fauzia Ahmad, Editor(s)

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