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In this paper, we present the design and the modelling of multi-tier Wireless Sensor Network (WSN) for home application. The proposed solution aims to save energy in a heterogeneous wireless sensor environment. The purpose of this work is to assign intelligent behaviour to each sensor node according to its role in the network in order to increase its(More)
The use of cable-free communications between distributed and small sensor devices in healthcare application offers many advantages to monitor people and their surrounding physical environment. In this paper we present a comparative analysis of wireless technologies for healthcare monitoring in heterogeneous Wireless Sensor Network (WSN) context. The study(More)
Health-care monitoring with Wireless Sensor Networks (WSN) has become a major interest during the last few years. The use of efficient communication protocols is crucial in minimizing transmission delay and energy consumption of sensor nodes. In a heterogeneous WSN context, we propose, efficient mobility aware mechanisms which may be implemented in large(More)
This paper describes the design issues to deploy wireless sensor networks (WSNs) in home application. For this specific WSN application, the global network permits to retrieve multimedia contents such as audio and video streams, still images, and scalar sensor data from the bodies of persons and their living environment. Taking into account home(More)
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