373 search results - page 26 / 75 » Minimum-hot-spot query trees for wireless sensor networks |
BROADNETS
2006
IEEE
14 years 2 months ago
2006
IEEE
Existing slotted channel access schemes in wireless networks assume that slot boundaries at all nodes are synchronized. In practice, relative clock drifts among nodes cause slot mi...
ISPA
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. A crucial issue in the management of sensor networks is the continuous monitoring of residual energy level of the sensors in the network. In this paper, we propose a hier...
GIS
2009
ACM
13 years 11 months ago
2009
ACM
In an active WSN where user queries are regularly processed, a significant proportion of nodes relay and overhear data generated by other nodes in the network. In this paper, we ...
JPDC
2010
13 years 6 months ago
2010
We observe two deficiencies of current query processing and scheduling techniques for sensor networks: (1) A query execution plan does not adapt to the hardware characteristics o...
RTAS
2002
IEEE
14 years 27 days ago
2002
IEEE
Large-scale wireless sensor networks represent a new generation of real-time embedded systems with significantly different communication constraints from traditional networked sys...