T Gnanasekaran

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A wireless sensor network is composed of a large number of low-cost devices distributed over a geographic area. Sensor nodes have limited processing capabilities therefore simplified protocol architecture should be designed so as to make communications simple and efficient. Moreover, the power supply unit is based on an energy-limited battery the networks(More)
This paper presents a robust and optimal Phasor Measurement Unit (PMU) placement scheme for real time power system monitoring under both normal and contingency cases. The single branch outage and single PMU loss are considered as contingencies. Initially the Virtual Node Reduction Technique (VNRT) is applied to reduce the system nodes. The virtual nodes are(More)
—The continuous detection of sensor and actor nodes in wireless sensor actor networks (WSANs) is facing new challenges notably in coordination. In this paper, a survey has been made to categorize, and bring into perspective existing researches on continuous connectivity of sensor node and its impacts on coordination ranging from a node failure to disability(More)
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