260 search results - page 40 / 52 » Energy-efficient coverage problems in wireless ad-hoc sensor... |
JIPS
2006
13 years 8 months ago
2006
In this paper, we proposed a MAC protocol, which can dynamically adjust Listening/Sleeping time rate of wireless sensor nodes according to data traffic load. In sensor networks, se...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
—Data gathering is a major function of many applications in wireless sensor networks (WSNs). The most important issue in designing a data gathering algorithm is how to save energ...
IPSN
2007
Springer
14 years 2 months ago
2007
Springer
We study the problem of aggregating data from a sparse set of nodes in a wireless sensor network. This is a common situation when a sensor network is deployed to detect relatively...
JSAC
2007
13 years 8 months ago
2007
Abstract— Cooperative diversity facilitates spatio-temporal communications without requiring the deployment of physical antenna arrays. While physical layer studies on cooperativ...
COCOA
2008
Springer
13 years 10 months ago
2008
Springer
Intrusion detection, area coverage and border surveillance are important applications of wireless sensor networks today. They can be (and are being) used to monitor large unprotec...