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TIT
2008
13 years 5 months ago
2008
Distributed estimation of an unknown signal is a common task in sensor networks. The scenario usually envisioned consists of several nodes, each making an observation correlated wi...
MOBISYS
2010
ACM
13 years 7 months ago
2010
ACM
We investigate if WiFi access can be used to augment 3G capacity in mobile environments. We first conduct a detailed study of 3G and WiFi access from moving vehicles, in three dif...
CSREAESA
2003
13 years 6 months ago
2003
The combined benefits of Open Services Gateway Initiative (OSGi) and Smart card technologies in embedded devices have made the two technologies suitable for developing middleware ...
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
Proof of a user's identity is not always a sufficient means for making an authorization decision. In an increasing set of circumstances, knowledge of physical location provide...