325 search results - page 2 / 65 » Qualitative change detection using sensor networks based on ... |
ICRA
2006
IEEE
13 years 11 months ago
2006
IEEE
— When a network of robots or static sensors is emplaced in an environment, the spatial relationships between the sensing units must be inferred or computed for most key applicat...
DCOSS
2010
Springer
13 years 8 months ago
2010
Springer
A number of protocols have been proposed to date to defend against wormhole attacks in wireless networks by adopting synchronized clocks, positioning devices, or directional antenn...
GIS
2008
ACM
14 years 6 months ago
2008
ACM
Wireless sensor networks (WSNs) can provide real-time information about geospatial environments, and so have the potential to play an important role in the monitoring of geographi...
ALGOSENSORS
2004
Springer
13 years 9 months ago
2004
Springer
In this paper we introduce a dynamical model for wireless sensor networks. We obtain a convergent martingale for the broadcast process in such networks. To our knowledge, such mart...
INFOCOM
2009
IEEE
14 years 2 days ago
2009
IEEE
Abstract—The highly stochastic nature of wireless environments makes it desirable to monitor link loss rates in wireless sensor networks. In this paper, we study the loss inferen...