| Project/Area Number |
20360166
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Communication/Network engineering
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| Research Institution | Chiba University |
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Principal Investigator |
ITO Koichi Chiba University, 大学院・工学研究科, 教授 (90108225)
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| Co-Investigator(Kenkyū-buntansha) |
TAKAHASHI Masaharu 千葉大学, フロンティアメディカル工学研究開発センター, 准教授 (70267342)
SAITO Kazuyuki 千葉大学, フロンティアメディカル工学研究開発センター, 准教授 (80334168)
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| Project Period (FY) |
2008 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥14,820,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥3,420,000)
Fiscal Year 2010: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2009: ¥11,310,000 (Direct Cost: ¥8,700,000、Indirect Cost: ¥2,610,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | ボディエリアネットワーク / 人体通信 / ウェアラブルデバイス / 数値シミュレーション / ウェアラブルアンテナ / 周波数特性 / ウェアラブルコンピューティング / パッチアンテナ |
|---|
| Research Abstract |
In our study, we have investigated the frequency dependence of communication channels for the body area networks in a frequency range from 3 MHz to 3 GHz by employing numerical simulations. As a result, it was clarified that the dependence of the received voltage on the posture is relatively small in a frequency range below 100 MHz. In addition, it was found that there are discrete frequency points in which the posture dependence of the received voltage is significant. Furthermore, we have investigated an equivalent circuit of the communication channels for the frequency range below several megahertz. As a result, it was clarified that the capacitances between transmitting and receiving antennas are not negligible and so the posture variation may have to be considered even in the low frequency range.
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