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SASN
2003
ACM
15 years 9 months ago
SECTOR: secure tracking of node encounters in multi-hop wireless networks
In this paper we present SECTOR, a set of mechanisms for the secure verification of the time of encounters between nodes in multi-hop wireless networks. This information can be u...
Srdjan Capkun, Levente Buttyán, Jean-Pierre...
PERCOM
2004
ACM
16 years 4 months ago
Supporting Persistent Social Groups in Ubiquitous Computing Environments Using Context-Aware Ephemeral Group Service
In this paper, we analyze the role of the social group in a Ubiquitous Computing (Ubicomp) environment as a source of contextual information. A model is presented to address the s...
Bin Wang, John Bodily, Sandeep K. S. Gupta
SENSYS
2009
ACM
15 years 11 months ago
Achieving range-free localization beyond connectivity
Wireless sensor networks have been proposed for many location-dependent applications. In such applications, the requirement of low system cost prohibits many range-based methods f...
Ziguo Zhong, Tian He
ICCCN
2008
IEEE
15 years 10 months ago
An Empirical Energy Model for Supercapacitor Powered Wireless Sensor Nodes
—The modeling of energy components in Wireless Sensor Network (WSN) simulation is important for obtaining realistic lifetime predictions and ensuring the faithful operation of en...
Geoff V. Merrett, Alex S. Weddell, A. P. Lewis, Ni...
JNW
2007
102views more  JNW 2007»
15 years 4 months ago
Supporting Privacy Policies in a Publish-Subscribe Substrate for Pervasive Environments
Abstract— A location tracking sensor network is being deployed in several buildings at the University of Michigan to help explore issues in design of pervasive environments. Mana...
Lukasz Opyrchal, Atul Prakash, Amit Agrawal