Gheorghe Florea

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—Energy detection is one of the popular spectrum sensing technique for cognitive radio. Better performance can be obtained by cooperative detection, but only when cognitive radios did not have different geographic locations and channel environment. To avoid this drawback, the paper presents an improved energy-based weighted cooperative spectrum sensing(More)
The paper proposes a multiparameter sensor platform capable of measuring the rate and thermal stress state which the user (in particular a firefighter) is subject to. For that, three wearable sensors (temperature, humidity and heart rate) send the information via Zigbee low energy wireless protocol, to a remote device (smartphone, wrist watch or PDA)(More)
In order to describe the technological problems of the coordination of groups of mobile minirobots, a biologically-inspired control framework for multi-agent tasks that is based on cellular automata models is discussed. This framework allow to study the behaviour of the robot platforms as collaborative agents in a multi-agent system. The case study proves(More)
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