Universal Distributed Sensing via Random Projections

Abstract

This paper develops a new framework for distributed coding and compression in sensor networks based on distributed compressed sensing (DCS). DCS exploits both intra-signal and inter-signal correlations through the concept of joint sparsity; just a few measurements of a jointly sparse signal ensemble contain enough information for reconstruction. DCS is well-suited for sensor network applications, thanks to its simplicity, universality, computational asymmetry, tolerance to quantization and noise, robustness to measurement loss, and scalability. It also requires absolutely no inter- sensor collaboration. We apply our framework to several real world datasets to validate the framework.

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Conference Paper
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Conference paper
Keywords
linear programming, compressed sensing, Sparsity, greedy algorithms, sensor networks, correlation
Citation

M. Wakin, M. F. Duarte, R. G. Baraniuk and D. Baron, "Universal Distributed Sensing via Random Projections," 2006.

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