3517 search results - page 627 / 704 » Relay sensor placement in wireless sensor networks |
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GIS
2005
ACM
15 years 11 months ago
2005
ACM
Information about dynamic spatial fields, such as temperature, windspeed, or the concentration of gas pollutant in the air, is important for many environmental applications. At th...
ISMAR
2003
IEEE
15 years 3 months ago
2003
IEEE
An ID recognition system is described that uses optical beacons and a high-speed image sensor. The ID sensor captures a scene like an ordinary camera and recognizes the ID of a be...
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
Nowadays, the source localization has been widely applied for wireless sensor networks. The Gaussian mixture model has been adopted for maximum-likelihood (ML) source localization ...
NTMS
2008
IEEE
15 years 4 months ago
2008
IEEE
—In wireless sensor networks (WSNs), the frequency of sensing and data gathering depends on application requirements and surrounding conditions. In this paper, we propose a data ...
COMCOM
2006
14 years 10 months ago
2006
In this paper, we study the problem of constructing an energy efficient data aggregation tree for data gathering in wireless sensor networks. We consider a real-time scenario wher...