2652 search results - page 33 / 531 » Positioning using local maps |
IJNSEC
2006
13 years 8 months ago
2006
On a wired network, physical authentication is implicitly provided by access: if a user is able to plug a cable into a network socket, he must have cleared other security checks s...
MOBISYS
2009
ACM
14 years 9 months ago
2009
ACM
In this work, we study the security of public WLAN-based positioning systems. Specifically, we investigate the Skyhook positioning system, available on PCs and used on a number of...
ICRA
2008
IEEE
14 years 3 months ago
2008
IEEE
— The problem of appearance-based mapping and navigation in outdoor environments is far from trivial. In this paper, an appearance-based topological map, covering a large, mixed ...
TC
2008
13 years 8 months ago
2008
As one of the fundamental issues in wireless sensor networks (WSNs), the sensor localization problem has recently received extensive attention. In this work, we investigate this pr...
PERVASIVE
2010
Springer
14 years 3 months ago
2010
Springer
It has been considered a fact that GPS performs too poorly inside buildings to provide usable indoor positioning. We analyze results of a measurement campaign to improve on the und...