Concept

Web mobile

Publications associées (90)

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Optimal Pricing Strategy for Wireless Social Community Networks

Jean-Pierre Hubaux, Mark Felegyhazi, Seyyed Amin Mazloumian

The increasing number of mobile applications fuels the demand for affordable and ubiquitous wireless access. The traditional wireless network technologies such as EV-DO or WiMAX provide this service but require a huge upfront investment in infrastructure a ...

2008

On Wireless Social Community Networks

Jean-Pierre Hubaux, Mark Felegyhazi, Julien Freudiger, Peter Marbach

Wireless social community networks are emerging as a new alternative to provide wireless data access in urban areas. By relying on users in the network deployment, a wireless community can rapidly deploy a high-quality data access infrastructure in an inex ...

2008

Protection and Fundamental Vulnerability of Global Navigation Satellite Systems (GNSS)

Panagiotis Papadimitratos, Aleksandar Jovanovic

An increasing number of mobile applications and services require that devices are aware of their location. Global navigation satellite systems (GNSS) are the predominant enabling technology. But location information provided by commercial GNSS is not secur ...

2008

Feed-Oriented Awareness Services for eLogbook Mobile Users

Denis Gillet, Christophe Salzmann

The eLogbook is a collaborative Web-based environment deployed by Swiss Federal Institute of Technology in Lausanne (EPFL). It consists of an activity- oriented space where a community of educators, teaching assistants and students can form groups, conduct ...

2007

GEO-RBAC: A spatially aware RBAC

Maria Luisa Damiani

Securing access to data in location- based services and mobile applications requires the definition of spatially aware access- control systems. Even if some approaches have already been proposed either in the context of geographic database systems or conte ...

2007

Data security in location-aware applications: an approach based on RBAC

Maria Luisa Damiani

Data security in a mobile context is a critical issue. Over the last few years a new category of location-based services, the Enterprise LBS (ELBS), has emerged focusing on the demands of mobility in organisations. These applications pose challenging requi ...

2007

The purpose of this demonstration is to illustrate that an off-the-shelf Wireless Sensor and Actuator Network (WSAN) can be used to discover resource availability and guide mobile users to these resources without any support from a navigation system like G ...

2006

Investigating How Automatic Disclosure of Partners' Location Influences Mobile Coordination

Pierre Dillenbourg, Nicolas Nova

This paper reports on results from a field experiment using a pervasive game that aims at eliciting the influence of location-awareness of others in a mobile and collaborative task. We present the environment as well as first results concerning how differe ...

2006

Node Cooperation in Hybrid Ad hoc Networks

Jean-Pierre Hubaux, Naouel Ben Salem, Levente Buttyan

A hybrid ad hoc network is a structure-based network that is extended using multi-hop communications. Indeed, in this kind of network, the existence of a communication link between the mobile station and the base station is not required: A mobile station t ...

2006

Life cycle assessment of mobile telephone networks, with focus on the end-of-life phase

Wolfram Scharnhorst

Mobile communication, in particular mobile telephony, is a service whose nonexistence nowadays is unimaginable. The ongoing, ever increasing penetration of mobile communication equipment, presently intensified by the transition from second generation1 to t ...

EPFL2006