One fundamental issue in sensor networks is the coverage problem, which reflects how well a sensor network is monitored or tracked by sensors. In this paper, we formulate this pr...
The Campus Mobile project explored how PDAs and innovative interfaces can improve interaction during lectures and in small meetings. These mobile computers (small PCs or PDAs) are...
Isabelle M. Demeure, Claudie Faure, Eric Lecolinet...
A group key agreement protocol (GKA) allows a set of players to establish a shared secret key which can be used to secure a subsequent communication. Several efficient constantrou...
Location-based services (LBS) will be a keystone of the new information society that is founded on the information and communications technologies (ICTs). Mobile devices such as c...
Short Message Service (SMS) has become extremely popular in many countries, and represents a multibillion dollars market. Yet many consumers consider that the price cellular netwo...