121 search results - page 6 / 25 » Optimal Distortion-Power Tradeoffs in Gaussian Sensor Networ... |
TSP
2008
14 years 11 months ago
2008
We study the problem of tracking an object that is moving randomly through a dense network of wireless sensors. We assume that each sensor has a limited range for detecting the pr...
105
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TON
2010
14 years 10 months ago
2010
—In this paper, we investigate the maximization of the coverage time for a clustered wireless sensor network (WSN) by optimal balancing of power consumption among cluster heads (...
119
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TMC
2010
14 years 10 months ago
2010
—Energy-efficiency is a central challenge in sensor networks, and the radio is a major contributor to overall energy node consumption. Current energy-efficient MAC protocols fo...
104
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ICC
2007
IEEE
15 years 6 months ago
2007
IEEE
— We address a lifetime maximization problem for a single-hop wireless sensor network where multiple sensors encode and communicate their measurements of a Gaussian random source...
IPSN
2004
Springer
15 years 5 months ago
2004
Springer
In this paper, we study the optimal way of distributing sensors in a random field to minimize the estimation distortion. We show that this problem is equivalent to certain proble...