| Project/Area Number |
23500105
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Computer system/Network
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| Research Institution | Kwansei Gakuin University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
AKIHIRO Fujihara 福井工業大学, 経営情報学科, 准教授 (70448687)
MASATO Uchida 千葉工業大学, 工学部, 准教授 (20419617)
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| Project Period (FY) |
2011-04-28 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | 劣通信環境 / 蓄積搬送型通信 / 最適化 / 確率論 / アルゴリズム / ユビキタスコンピューティング / DTN |
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| Outline of Final Research Achievements |
In this research, we designed some novel store-carry-forward routing methods based on properties of human mobility patterns for efficient data transfer controls in delay tolerant networks. First, we gathered data of human mobility and analyzed; as a result, we found the scale-free property in the frequency of serendipitous human encounters. In addition, we proposed a human mobility model, Homesick Levy Walk model, to explain the origin of this property. Furthermore, we designed a store-carry-forward routing algorithm based on this property and the optimal stopping theory and finally confirmed the validity of the algorithm by theoretical analyses and numerical experiments.
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