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GLOBECOM
2007
IEEE

Optimal Sink Deployment for Distributed Sensing of Spatially Nonstationary Phenomena

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Optimal Sink Deployment for Distributed Sensing of Spatially Nonstationary Phenomena
— The optimal deployment of sinks in a sensor region for power efficient data gathering of a physical phenomenon is investigated in this work. In the system of consideration, nodes perform lossless distributed coding of the sensed data and the spatial statistics of the monitored phenomenon are possibly nonstationary due to heterogeneity in the sensing environment (e.g. variations in the altimetric profile). Non-stationary spatial statistics lead to uneven spatial profiles of the bit rates, unlike stationary statistics. The properties of rate profiles and the consequent optimal sink locations for a broad class of spatially non-stationary covariance models are studied by mathematical analysis and numerical examples.
Lorenzo A. Rossi, Bhaskar Krishnamachari, C. C. Ja
Added 02 Jun 2010
Updated 02 Jun 2010
Type Conference
Year 2007
Where GLOBECOM
Authors Lorenzo A. Rossi, Bhaskar Krishnamachari, C. C. Jay Kuo
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