528 search results - page 41 / 106 » Some problems of directional sensor networks |
ICCCN
2008
IEEE
14 years 2 months ago
2008
IEEE
—We investigate the p-percent coverage problem in this paper and propose two algorithms to prolong network lifetime based on the fact that for some applications full coverage is ...
ESA
2006
Springer
14 years 4 days ago
2006
Springer
A sensor network consists of sensing devices which may exchange data through wireless communication. A particular feature of sensor networks is that they are highly energy constrai...
ICCNMC
2005
Springer
14 years 2 months ago
2005
Springer
— In this paper, we address a sensor network lifetime problem that maintains a certain throughput in an environment where physical node destruction is possible. While lifetime is...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
We present an update on the status of the Cougar Sensor Database Project, in which we are investigating a database approach to sensor networks: Clients "program" the sen...
SENSYS
2003
ACM
14 years 1 months ago
2003
ACM
Sensor networks often involve the monitoring of mobile phenomena. We believe this task can be facilitated by a spatiotemporal multicast protocol which we call “mobicast”. Mobi...