Mutual Information Evaluation and Optimization of Intermittent Transmission Methods in Energy Harvesting Wireless Sensor Networks
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概要
- 論文の詳細を見る
Energy harvesting technology was introduced into wireless sensor networks (WSNs) to solve the problem of the short lifetimes of sensor nodes. The technology gives sensor nodes the ability to convert environmental energy into electricity. Sufficient electrical energy can lengthen the lifetime and improve the quality of service of a WSN. This paper proposes a novel use of mutual information to evaluate data transmission behavior in the energy harvesting WSNs. Data at a sink for a node deteriorates over time until the next periodic transmission from the node is received. In this paper, we suggest an optimized intermittent transmission method for WSNs that harvest energy. Our method overcomes the problem of information deterioration without increasing energy cost. We show that by using spatial correlation between different sensor nodes, our proposed method can mitigate information deterioration significantly at the sink.
- The Institute of Electronics, Information and Communication Engineersの論文
著者
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Katayama Masaaki
Ecotopia Science Institute Nagoya University
-
Fan Xiaohui
Department Of Mineral Engineering Central South University
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Kobayashi Kentaro
Ecotopia Science Institute Nagoya University
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Okada Hiraku
Ecotopia Science Institute Nagoya University
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