Localization from mere connectivity
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
Secure universal mobility for wireless internet
Proceedings of the 2nd ACM international workshop on Wireless mobile applications and services on WLAN hotspots
The limits of localization using RSS
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
PDP: a lightweight discovery protocol for local-scope interactions in wireless ad hoc networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
TrustAC: trust-based access control for pervasive devices
SPC'05 Proceedings of the Second international conference on Security in Pervasive Computing
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Mobile devices of new generation are able to connect to multiple networks and to constitute new infrastructureless networks. These dynamic environments require new security paradigms and automatic mechanisms to minimize user intervention. Our goal is the definition of a new concept of distance that considers the current domain constraints and the user preferences. This paper addresses some of the problems of these complex environments by using Multidimensional Scaling (MDS) techniques. We also propose collaborative mechanisms for automatic environment marking. Based on these ideas we have developed PervsIM, a decision mechanism that selects the most appropriate network or peer to interact with. Besides we have defined an embedded access control module which ensures that PervsIM decisions are followed by all applications. Furthermore, several simulation results and implementation details outline how these results can be incorporated in today's mobile devices.