A compressive phase-locked loop

A compressive phase-locked loop

We develop a new method for tracking narrowband signals acquired via compressive sensing. The compressive sensing phase-locked loop (CS-PLL) enables one to track oscillating signals in very large bandwidths using sub-Nyquist sampling. A key feature of the approach is the fact that we perform the fre...

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Bibliographic Details
Published in:2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) pp. 2885 - 2888
Main Authors: Schnelle, S. R., Slavinsky, J. P., Boufounos, P. T., Davenport, M. A., Baraniuk, R. G.
Format: Conference Proceeding
Language:English
Published: IEEE 01-03-2012
Subjects:
Compressed sensing
Compressive sensing
Demodulation
Detectors
FM demodulation
Frequency modulation
Phase locked loops
phase-locked loop
Signal to noise ratio
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Summary:We develop a new method for tracking narrowband signals acquired via compressive sensing. The compressive sensing phase-locked loop (CS-PLL) enables one to track oscillating signals in very large bandwidths using sub-Nyquist sampling. A key feature of the approach is the fact that we perform the frequency tracking directly on the compressive measurements without ever recovering the signal. The CS-PLL has a wide variety of potential applications, including communications, phase tracking, and robust control.
ISBN:1467300454
9781467300452
ISSN:1520-6149
2379-190X
DOI:10.1109/ICASSP.2012.6288519