573 search results - page 26 / 115 » Mobility-Assisted Position Estimation in Wireless Sensor Net... |
GLOBECOM
2006
IEEE
15 years 8 months ago
2006
IEEE
— In this work, we study the topology enhancement problem of wireless sensor networks. Our research focuses on reducing the path-based vulnerability. The objective is to get as m...
137
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CISS
2008
IEEE
15 years 8 months ago
2008
IEEE
Abstract – In this paper, a variational message passing framework is proposed for Markov random fields. Analogous to the traditional belief propagation algorithm, variational mes...
133
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MOBIHOC
2009
ACM
16 years 2 months ago
2009
ACM
In this paper, we present a Gaussian mixture model based approach to capture the spatial characteristics of any target signal in a sensor network, and further propose a temporally...
ICC
2007
IEEE
15 years 8 months ago
2007
IEEE
— Many applications of wireless sensor networks (WSNs) have emerged over the last few years. In such networks resource-constrained sensor nodes are deployed to probe their surrou...
TPDS
2008
15 years 1 months ago
2008
Abstract-- We consider the problem of estimating the geographic locations of nodes in a wireless sensor network where most sensors are without an effective self-positioning functio...