613 search results - page 119 / 123 » A Walking Beacon-Assisted Localization in Wireless Sensor Ne... |
WISEC
2010
ACM
15 years 4 months ago
2010
ACM
We expose the vulnerability of an emerging wireless ranging technology, impulse radio ultra-wide band (IR-UWB), to distance-decreasing attacks on the physical communication layer ...
103
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TC
2002
14 years 9 months ago
2002
Broadcasting provides an efficient means for disseminating information in both wired and wireless setting. In this paper, we propose a suite of broadcast organization schemes for ...
AINA
2007
IEEE
15 years 4 months ago
2007
IEEE
The home environment becomes ready to host distributed devices dynamically adapting to service availability and reacting to user location and user activity. Sensors, high definiti...
EUROSSC
2007
Springer
15 years 3 months ago
2007
Springer
We describe and evaluate a distributed architecture for the online recognition of user activity sequences. In a lower layer, simple heterogeneous atomic activities were recognised ...
EWSN
2009
Springer
15 years 10 months ago
2009
Springer
Abstract. This paper investigates postmortem timestamp reconstruction in environmental monitoring networks. In the absence of a timesynchronization protocol, these networks use mul...