A power-variation model for sensor node and the impact against life time of wireless sensor networks
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概要
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Network protocols for wireless sensor networks should be evaluated in terms of life time in a whole system. There exists power variation node due to the manufacturing variation. In this paper, we develop a power model, in which we consider threshold-voltage variation. We implement it to QualNet in order to evaluate the impact against a life time. The simulation results show that the conventional model has overestimated the life time longer than our model when nodes are randomly deployed. In addition, the network life time is extended by 19.3% compared with the conventional model by an optimum deployment.
著者
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Yoshimoto Masahiko
Department Of Computer Science And Systems Engineering Kobe University
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Takeuchi Takashi
Department Of Chemical Engineering Science Yokohama National University
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Kawaguchi Hiroshi
Department Of Applied Chemistry Faculty Of Engineering Utsunomiya University
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Matsuda Takashi
Department Of Applied Mathematics And Physics Faculty Of Engineering Kyoto University
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Ohta Chikara
Department of Computer and Systems Engineering, Kobe University
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Aonishi Takefumi
Department of Computer and Systems Engineering, Kobe University
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Ichien Masumi
Department of Computer and Systems Engineering, Kobe University
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Yoshimoto Masahiko
Department of Computer and Systems Engineering, Kobe University
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