Error Correction Using Time-Dependent Correlation and Transmit Power Control in Sensor Networks
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概要
- 論文の詳細を見る
In a sensor network, a certain area or environment are observed by a lot of distributed sensor nodes and a sink collects data observed by sensor nodes. The observed data sequences that sensor nodes generate may have space- and/or time-dependent correlation. This correlation is regarded as redundant information and can be used for channel error correction by joint decoder using correlation. In this paper, we propose the joint decoding scheme using the time-dependent correlation consisting of the consecutive data sequences generated by a sensor node. We also propose a power control scheme using the time-dependent correlation for reduction in energy consumption. We evaluate the packet error rate and the energy consumption ratio, and clarify the effect of our proposed schemes.
- （社）電子情報通信学会の論文
- 2008-11-01
著者
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Okada Hiraku
Center For Transdisciplinary Research Niigata University
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MASE Kenichi
Graduate School of Science and Technology, Niigata University
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DOKI Suguru
Graduate School of Science and Technology, Niigata University
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Doki Suguru
Graduate School Of Science And Technology Niigata University
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Mase Kenichi
Graduate School Of Natural Sciences Niigata University
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