260 search results - page 44 / 52 » Secure Time Synchronization in Sensor Networks |
ADHOC
2007
13 years 9 months ago
2007
Nodes in a sensor network may be lost due to power exhaustion or malicious attacks. To extend the lifetime of the sensor network, new node deployment is necessary. In military sce...
PERCOM
2006
ACM
14 years 8 months ago
2006
ACM
We propose several localized sensor area coverage protocols, for arbitrary ratio of sensing and transmission radii. Sensors are assumed to be time synchronized, and active sensors...
SUTC
2006
IEEE
14 years 2 months ago
2006
IEEE
- In this paper, we describe a group key management protocol for hierarchical sensor networks where instead of using pre-deployed keys, each sensor node generates a partial key dyn...
CCS
2009
ACM
14 years 3 months ago
2009
ACM
Large-scale distributed systems have dense, complex code-bases that are assumed to perform multiple and inter-dependent tasks while user interaction is present. The way users inte...
ICASSP
2010
IEEE
13 years 3 months ago
2010
IEEE
This paper considers the estimation of shooter locations using a sensor network where each sensor measures the time difference between receptions of a firearm's muzzle blast ...