Abstract-- Two-tier networks, comprising a conventional cellular network overlaid with shorter range hotspots (e.g. femtocells, distributed antennas, or wired relays), offer an eco...
—We venture beyond the “listen-before-talk” strategy that is common in many traditional cognitive radio access schemes. We exploit the bi-directional nature of most primary c...
The rapid development of computer network technologies and social informationalization has brought many new opportunities and challenges in information security. With improved info...
- E-Health systems' interoperability constitutes one of the main challenges of the IT society. E-Health interoperability will not occur without a shared policy and a process f...
Wireless Sensor Networks (WSN) are a very promising solution for industrial monitoring applications in terms of safety, costs, efficiency and productivity. However, in order to mov...
Berta Carballido Villaverde, Susan Rea, Dirk Pesch