On the feasibility of hardware implementation of sub-Nyquist random-sampling based analog-to-information conversion

Stephen Pfetsch; Tamer Ragheb; Jason Laska; Hamid Nejati; Anna Gilbert; Martin Strauss; Richard Baraniuk; Yehia Massoud

doi:10.1109/ISCAS.2008.4541709

On the feasibility of hardware implementation of sub-Nyquist random-sampling based analog-to-information conversion

Stephen Pfetsch, Tamer Ragheb, Jason Laska, Hamid Nejati, Anna Gilbert, Martin Strauss, Richard Baraniuk, Yehia Massoud

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

39 Scopus citations

Abstract

In this paper, we successfully demonstrate the feasibility of hardware implementation of a sub-Nyquist random-sampling based analog to information converter (RS-AIC). The RS-AIC is based on the theory of information recovery from random samples using an efficient information recovery algorithm to compute the spectrogram of the signal. Our RS-AIC enables sub-Nyquist acquisition and processing of wideband signals that are sparse in a local Fourier representation. Results from our RS-AIC hardware implementation demonstrate successful reconstruction of signals that are sampled at half the Nyquist-rate while maintaining up to a 51 dB signal-to-noise ratio (SNR), which is equivalent to an 8.5 bit resolution analog to digital converter.

Original language	English (US)
Title of host publication	2008 IEEE International Symposium on Circuits and Systems, ISCAS 2008
Pages	1480-1483
Number of pages	4
DOIs	https://doi.org/10.1109/ISCAS.2008.4541709
State	Published - Sep 19 2008
Event	2008 IEEE International Symposium on Circuits and Systems, ISCAS 2008 - Seattle, WA, United States Duration: May 18 2008 → May 21 2008

Other

Other	2008 IEEE International Symposium on Circuits and Systems, ISCAS 2008
Country/Territory	United States
City	Seattle, WA
Period	5/18/08 → 5/21/08

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/ISCAS.2008.4541709

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Pfetsch, S, Ragheb, T, Laska, J, Nejati, H, Gilbert, A, Strauss, M, Baraniuk, R & Massoud, Y 2008, On the feasibility of hardware implementation of sub-Nyquist random-sampling based analog-to-information conversion. in 2008 IEEE International Symposium on Circuits and Systems, ISCAS 2008., 4541709, pp. 1480-1483, 2008 IEEE International Symposium on Circuits and Systems, ISCAS 2008, Seattle, WA, United States, 5/18/08. https://doi.org/10.1109/ISCAS.2008.4541709

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AU - Gilbert, Anna

AU - Strauss, Martin

AU - Baraniuk, Richard

AU - Massoud, Yehia

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AB - In this paper, we successfully demonstrate the feasibility of hardware implementation of a sub-Nyquist random-sampling based analog to information converter (RS-AIC). The RS-AIC is based on the theory of information recovery from random samples using an efficient information recovery algorithm to compute the spectrogram of the signal. Our RS-AIC enables sub-Nyquist acquisition and processing of wideband signals that are sparse in a local Fourier representation. Results from our RS-AIC hardware implementation demonstrate successful reconstruction of signals that are sampled at half the Nyquist-rate while maintaining up to a 51 dB signal-to-noise ratio (SNR), which is equivalent to an 8.5 bit resolution analog to digital converter.

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On the feasibility of hardware implementation of sub-Nyquist random-sampling based analog-to-information conversion

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