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MOSAICS: Multiplexed optimal signal acquisition involving compressed sensing

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2 Author(s)
Satyanarayana, J.V. ; Dept. of Electr. Eng., Indian Inst. of Sci., Bangalore, India ; Ramakrishnan, A.G.

It is possible to sample signals at sub-Nyquist rate and still be able to reconstruct them with reasonable accuracy provided they exhibit local Fourier sparsity. Underdetermined systems of equations, which arise out of undersampling, have been solved to yield sparse solutions using compressed sensing algorithms. In this paper, we propose a framework for real time sampling of multiple analog channels with a single A/D converter achieving higher effective sampling rate. Signal reconstruction from noisy measurements on two different synthetic signals has been presented. A scheme of implementing the algorithm in hardware has also been suggested.

Published in:

Signal Processing and Communications (SPCOM), 2010 International Conference on

Date of Conference:

18-21 July 2010

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