636 search results - page 49 / 128 » High-efficiency power amplifier for wireless sensor networks |
GSN
2009
Springer
14 years 1 months ago
2009
Springer
A wireless sensor network deployment on a glacier in Iceland is described. The system uses power management as well as power harvesting to provide long-term environment sensing. Ad...
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...
ESIAT
2009
IEEE
13 years 6 months ago
2009
IEEE
The applications of Wireless Sensor Networks are seriously constrained by energy supply. So how to prolong the network lifetime is an important and challenging issue, which is the ...
BSN
2009
IEEE
14 years 3 months ago
2009
IEEE
—We have developed a wearable, battery-free tag that monitors heart sounds. The tag powers up by harvesting ambient RF energy, and contains a low-power integrated circuit, an ant...
DASFAA
2006
IEEE
14 years 15 days ago
2006
IEEE
Sensor networks are multi-hop wireless networks of resource constrained sensor nodes used to realize high-level collaborative sensing tasks. To query and access data generated and ...