Lightweight Testing of Communication Networks with e-Motions

This paper illustrates the use of high-level domain specific models to specify and test some performance properties of complex systems, in particular Communication Networks, using a light-weight approach. By following a Model-Driven Engineering (MDE) approach, we show the benefits of constructing very abstract models of the systems under test, which can then be easily prototyped and analysed to explore their properties. For this purpose we use e-Motions, a language and its supporting toolkit that allows end-user modelling of real-time systems and their analysis in a graphical manner.Junta de Andalucía P07-TIC-03184Ministerio de Ciencia e Innovación TIN2008-0310

An evaluation of the power consumption of coauthentication as a continuous user authentication method in mobile systems

© 2020 ACM. Methods for continuous user authentication have become important with the proliferation of mobile devices in m-Health and human-centered systems. These methods must guarantee user identity with high assurance, authenticate without explicit intervention, and be power-aware. We present an evaluation of the power consumption of collaborative authentication (coauthentication) as a continuous authentication method. Coauthentication is a single-factor method in which multiple registered devices work together to authenticate a user, minimizing obtrusiveness while providing high user authentication assurance. To evaluate coauthentication\u27s power consumption, we conducted experiments using two Bluetooth-enabled mobile devices and a stand-alone server in a local area network and running coauthentication continuously for eight hours. We found that the protocol uses approximately between 1.19% and 4.0% of the total power used by the devices. These results give evidence of the feasibility of using coauthentication as a continuous authentication method in mobile devices from the power consumption perspective