2138 search results - page 171 / 428 » Emergency Evacuation using Wireless Sensor Networks |
142
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ICC
2007
IEEE
16 years 22 days ago
2007
IEEE
—Anomaly detection is an important challenge for tasks such as fault diagnosis and intrusion detection in energy constrained wireless sensor networks. A key problem is how to min...
173
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IJAHUC
2006
15 years 6 months ago
2006
: Wireless sensor networks require energy efficient routing protocols owing to limited resource on the sensor node. In this paper, we develop optimal distance geographic routing (O...
172
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CN
2004
15 years 6 months ago
2004
Energy is the most critical resource in the life of a wireless sensor node. Therefore, its usage must be optimized to maximize the network life. It is known that for higher path l...
157
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INFOCOM
2005
IEEE
16 years 15 hour ago
2005
IEEE
— In this paper we consider the problem of constructing a coordinate system in a sensor network where location information is not available. To this purpose we introduce the Virt...
188
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MASS
2010
15 years 4 months ago
2010
Clustering and data aggregation in wireless sensor networks improves scalability, and helps the efficient use of scarce resources. Yet, these mechanisms also introduce some securi...