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| Presentation | 2008-10-16 15:15 Effects of Metal Piece Structure on Bandwidth Characteristics of Card Antenna Tomomi Fujioka, Toshikazu Hori, Mitoshi Fujimoto (Univ. of Fukui)  AP2008-99 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It is well-known that a small antenna has narrowband characteristics. However, a small antenna which has broadband characteristics is required for realizing the wireless broadband communication. This paper describes the limitations of the relative frequency bandwidth and the lowest frequency of a small-sized card antenna. Here, the card antenna is designed, and the effects of metal piece shape and size on bandwidth characteristics of card antennas are clarified by using the genetic algorithm. By the simulation results, it is verified that the maximum relative bandwidth is 155% when the metal piece shape is square and the size is 1/120 of the outside frame lengths, and the normalized lowest frequency is 0.44f0 when the metal piece shape is trapezoid. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Card antenna / Metal piece / Genetic algorithm / Relative frequency bandwidth / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 241, AP2008-99, pp. 29-32, Oct. 2008. | |
| Paper # | AP2008-99 | |
| Date of Issue | 2008-10-09 (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 | AP2008-99 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2008-10-16 - 2008-10-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Gakuin University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Etc. |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2008-10-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effects of Metal Piece Structure on Bandwidth Characteristics of Card Antenna |
| Sub Title (in English) | |
| Keyword(1) | Card antenna |
| Keyword(2) | Metal piece |
| Keyword(3) | Genetic algorithm |
| Keyword(4) | Relative frequency bandwidth |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tomomi Fujioka |
| 1st Author's Affiliation | University of Fukui (Univ. of Fukui) |
| 2nd Author's Name | Toshikazu Hori |
| 2nd Author's Affiliation | University of Fukui (Univ. of Fukui) |
| 3rd Author's Name | Mitoshi Fujimoto |
| 3rd Author's Affiliation | University of Fukui (Univ. of Fukui) |
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| Speaker | Author-1 |
| Date Time | 2008-10-16 15:15:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2008-99 |
| Volume (vol) | vol.108 |
| Number (no) | no.241 |
| Page | pp.29-32 |
| #Pages | 4 |
| Date of Issue | 2008-10-09 (AP) |
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