578 search results - page 80 / 116 » Sampling based algorithms for quantile computation in sensor... |
PERCOM
2009
ACM
14 years 3 months ago
2009
ACM
—Earlier sensor network MAC protocols focus on energy conservation in low-duty cycle applications, while some recent applications involve real-time high-data-rate signals. This m...
MOBIHOC
2003
ACM
14 years 8 months ago
2003
ACM
It is often useful to know the geographic positions of nodes in a communications network, but adding GPS receivers or other sophisticated sensors to every node can be expensive. W...
MOBIHOC
2005
ACM
14 years 8 months ago
2005
ACM
Wireless Sensor and Actor Networks (WSANs) are composed of a large number of heterogeneous nodes called sensors and actors. The collaborative operation of sensors enables the dist...
SENSYS
2004
ACM
14 years 1 months ago
2004
ACM
Previous approaches for computing duplicate-sensitive aggregates in sensor networks (e.g., in TAG) have used a tree topology, in order to conserve energy and to avoid double-count...
MOBIHOC
2005
ACM
14 years 8 months ago
2005
ACM
Node compromise poses severe security threats in wireless sensor networks. Unfortunately, existing security designs can address only a small, fixed threshold number of compromised...