282 search results - page 21 / 57 » Convergence of a distributed parameter estimator for sensor ... |
DSMML
2004
Springer
13 years 11 months ago
2004
Springer
We investigate theoretically some properties of variational Bayes approximations based on estimating the mixing coefficients of known densities. We show that, with probability 1 a...
FGCN
2008
IEEE
14 years 2 months ago
2008
IEEE
The localization requirements for mobile nodes in wireless (sensor) networks are increasing. However, most research works are based on range measurements between nodes which are o...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
—In this paper, we propose a collaborative localization scheme which utilizes, in addition to the range estimates to nodes with known locations (anchors), the range estimates bet...
SECON
2007
IEEE
14 years 1 months ago
2007
IEEE
— In wireless sensor networks, it is desirable to maintain good sensing coverage while keeping the number of active sensor nodes small to achieve long system lifetime. Existing c...
DCOSS
2006
Springer
13 years 11 months ago
2006
Springer
In wireless sensor networks, multi-hop localization schemes are very vulnerable to various attacks such as wormholes and range modification attacks. In this paper, we propose a rob...