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In this paper we present QOMB, a testbed we designed and implemented for the evaluation of wireless network systems, protocols and applications. The testbed uses the wireless network emulation set of tools QOMET so as to reproduce in a wired network, in real time, the wireless network conditions corresponding to a given scenario. In this context QOMET also provides support for features such as realistic...
Research on wireless sensor networks has recently received much attention as they offer an advantage of monitoring various kinds of environment by sensing physical phenomenon. Among various issues, energy consumption is one of the most important criteria for routing protocol in wireless sensor networks (WSNs). This paper introduces an energy efficient clustering algorithm for mobile sensor network...
Active tags are currently used for various tasks in transport and distribution industries, for factory automation or asset tracking. Pedestrian localization is another application of active tags, for which we develop a technique and a practical system. Following preliminary real-world experiments with a system prototype, we continued to develop our active tag based pedestrian localization technique...
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