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| Presentation | 2007-03-08 11:20 A study on miniaturization of 2GHz band antenna for handset utilizing magnetic materials by topology optimization Akira Matsuzaki, Hisashi Morishita (Department of Electrical Engineering national Defence Academy), Tsuyoshi Nomura (Toyota central R&D Labs.,), Kazuo Sato (Toyota central R&D Labs.)  AP2006-146 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this study, topology design of magnetic materials for miniaturization of built-in antenna for handsets is presented. In particular, the planer inverted F antenna (PIFA), which is a typical built-in antenna for handsets is designed in contemplation of lowering resonance frequency. The density approach is applied to the topology optimization in order to optimize the topology of magnetic material. The Finite-Difference Time-Domain (FDTD) method is used to analyze of electromagnetic field, and the adjoint variable method (AVM) is used to analyze the design sensitivity. As a result, it is confirmed that the optimal configuration of the magnetic materials can be obtained by using topology optimization approach. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Topology optimization / Adjoint variable method / Density approach / Finite-Difference Time-Domain method / Magnetic material / Miniaturization of antenna / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 561, AP2006-146, pp. 17-20, March 2007. | |
| Paper # | AP2006-146 | |
| Date of Issue | 2007-03-01 (AP) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | AP2006-146 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2007-03-08 - 2007-03-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Taiwan (Yuan Ze Univ.) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2007-03-AP |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on miniaturization of 2GHz band antenna for handset utilizing magnetic materials by topology optimization |
| Sub Title (in English) | |
| Keyword(1) | Topology optimization |
| Keyword(2) | Adjoint variable method |
| Keyword(3) | Density approach |
| Keyword(4) | Finite-Difference Time-Domain method |
| Keyword(5) | Magnetic material |
| Keyword(6) | Miniaturization of antenna |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Akira Matsuzaki |
| 1st Author's Affiliation | National Defence Academy (Department of Electrical Engineering national Defence Academy) |
| 2nd Author's Name | Hisashi Morishita |
| 2nd Author's Affiliation | National Defence Academy (Department of Electrical Engineering national Defence Academy) |
| 3rd Author's Name | Tsuyoshi Nomura |
| 3rd Author's Affiliation | Toyota central R&D Labs.,inc (Toyota central R&D Labs.,) |
| 4th Author's Name | Kazuo Sato |
| 4th Author's Affiliation | Toyota central R&D Labs.,inc (Toyota central R&D Labs.) |
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| Speaker | Author-1 |
| Date Time | 2007-03-08 11:20:00 |
| Presentation Time | 20 minutes |
| Registration for | AP |
| Paper # | AP2006-146 |
| Volume (vol) | vol.106 |
| Number (no) | no.561 |
| Page | pp.17-20 |
| #Pages | 4 |
| Date of Issue | 2007-03-01 (AP) |
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