719 search results - page 20 / 144 » GPS-Free node localization in mobile wireless sensor network... |
CORR
2010
Springer
14 years 9 months ago
2010
Springer
Wireless sensor networks are collections of large number of sensor nodes. The sensor nodes are featured with limited energy, computation and transmission power. Each node in the n...
GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
When asymmetric cryptography techniques are used in wireless networks, the public keys of the nodes need to be widely available and signed by a Certificate Authority (CA). However,...
COMSWARE
2007
IEEE
15 years 3 months ago
2007
IEEE
—Clustering techniques create hierarchal network structures, called clusters, on an otherwise flat network. Neighboring devices elect one appropriate device as clusterhead. Due t...
108
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TIFS
2008
14 years 9 months ago
2008
We consider the problem of secret key distribution in a sensor network with multiple scattered sensor nodes and a mobile device that can be used to bootstrap the network. Our main...
134
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MDM
2009
Springer
15 years 4 months ago
2009
Springer
Location monitoring systems are used to detect human activities and provide monitoring services, e.g., aggregate queries. In this paper, we consider an aggregate location monitori...