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| Presentation | 2006-12-14 10:20 Proposal of Reactively Loaded Inverted F Antenna for Cognitive Wireless Communication and Basic Study on its Tuning Impedance Matching Frequency Kyoichi Iigusa, Hiroshi Harada (NICT)  AP2006-100 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To apply for a cognitive wireless communication, we propose a frequency-band-tunable compact antenna. We employ inverted F antennas as they can be equipped inside of wireless devises by using its body as the ground plate of the inverted F antennas. Inverted F antennas corresponding each frequency band are combined with the common feed segment. By loading variable diodes in the closed loops of each Inverted F antenna, the reactance value of each variable diode can be controlled independently with DC voltage. We show a design to achieve impedance matching of the vswr less than 3 in the three frequency bands of UHF band, 1.92-2.17 GHz band and 5.15-5.35 GHz band with a DC voltage control below 20 V. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Inverted F antenna / Variable reactor / Multi frequency / Cognitive / Matching / Planar antenna / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 416, AP2006-100, pp. 23-28, Dec. 2006. | |
| Paper # | AP2006-100 | |
| Date of Issue | 2006-12-07 (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 | AP2006-100 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2006-12-14 - 2006-12-14 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2006-12-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal of Reactively Loaded Inverted F Antenna for Cognitive Wireless Communication and Basic Study on its Tuning Impedance Matching Frequency |
| Sub Title (in English) | |
| Keyword(1) | Inverted F antenna |
| Keyword(2) | Variable reactor |
| Keyword(3) | Multi frequency |
| Keyword(4) | Cognitive |
| Keyword(5) | Matching |
| Keyword(6) | Planar antenna |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kyoichi Iigusa |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Hiroshi Harada |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2006-12-14 10:20:00 |
| Presentation Time | 20 minutes |
| Registration for | AP |
| Paper # | AP2006-100 |
| Volume (vol) | vol.106 |
| Number (no) | no.416 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2006-12-07 (AP) |
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