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On a reliable handoff procedure for supporting mobility in wireless sensor netw...
Fotouhi, Hossein; Alves, Mário; Koubâa, Anis; Baccour, NouhaWireless sensor network (WSN) applications such as patients’ health monitoring in hospitals, location-aware ambient intelligence, industrial monitoring /maintenance or homeland security require the support of mobile nodes or node groups. In many of these applications, the lack of network connectivity is not admissible or should at least be time bounded, i.e. mobile nodes cannot be disconnected from the rest of ...
Demo abstract: RadiaLE: a framework for benchmarking link quality estimators
Baccour, Nouha; Jamâa, Maissa Ben; Rosário, Denis do; Koubâa, Anis; Alves, Mário; Becker, Leandro B.; Youssef, Habib; Fotouhi, HosseinLink quality estimation is a fundamental building block for the design of several different mechanisms and protocols in wireless sensor networks (WSN). A thorough experimental evaluation of link quality estimators (LQEs) is thus mandatory. Several WSN experimental testbeds have been designed ([1–4]) but only [3] and [2] targeted link quality measurements. However, these were exploited for analyzing low-power li...
Quality-of-service in wireless sensor networks: state-of-the-art and future dir...
Alves, Mário; Baccour, Nouha; Koubâa, Anis; Severino, Ricardo; Dini, Gianluca; Pereira, Nuno; Sá, Rui; Savino, Ida; Sousa, Paulo Gandra deWireless sensor networks (WSNs) are one of today’s most prominent instantiations of the ubiquituous computing paradigm. In order to achieve high levels of integration, WSNs need to be conceived considering requirements beyond the mere system’s functionality. While Quality-of-Service (QoS) is traditionally associated with bit/data rate, network throughput, message delay and bit/packet error rate, we believe that...
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