1842 search results - page 174 / 369 » Multimedia communication in wireless sensor networks |
198
Voted
MDM
2010
Springer
15 years 11 months ago
2010
Springer
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...
184
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GLOBECOM
2009
IEEE
15 years 10 months ago
2009
IEEE
—Fault tolerance techniques have been widely used in wireless sensor networks. Base station placement to maximize the network lifetime has also been well studied. However, limite...
169
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INFOCOM
2010
IEEE
15 years 5 months ago
2010
IEEE
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
202
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INFOCOM
2010
IEEE
15 years 5 months ago
2010
IEEE
Abstract—We revisit the shortest path problem in asynchronous duty-cycled wireless sensor networks, which exhibit time-dependent features. We model the time-varying link cost and...
198
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INFOCOM
2011
IEEE
14 years 10 months ago
2011
IEEE
A simple random walk (SRW) has been considered as an effective forwarding method for many applications in wireless sensor networks (WSNs) due to its desirable properties. However...