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| Presentation | 2023-01-27 10:00 Design of Parasitic-Element Loaded Wideband Filtering Antenna with Unidirectional Radiation Pattern over 30% Frequency Bandwidth Ken Sakiyama, Masataka Ohira, Zhewang Ma (Saitama Univ.)  ED2022-87 MW2022-146 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose a new structure of wideband filtering antenna that realizes a very flat in-band gain and unidirectional radiation pattern over 30% frequency bandwidth. In conventional wideband filtering antenna, a fractional bandwidth of over 20% is difficult to realize because a single patch has a lower limit of radiation Q factor. To solve the problem, we propose a new wideband filtering antenna loading a parasitic element. As an example, we design two fifth-order filtering antennas with center frequency of 4.0 GHz and fractional bandwidth of 30% and 40%. The effectiveness of the proposed filtering antenna is verified by comparing the reflection and radiation characteristics between the measured results and the EM simulated ones. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | filtering antenna / radiation Q factor / microstrip antenna / parasitic element / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 371, MW2022-146, pp. 7-12, Jan. 2023. | |
| Paper # | MW2022-146 | |
| Date of Issue | 2023-01-20 (ED, MW) | |
| ISSN | 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 | ED2022-87 MW2022-146 |
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| Conference Information | |
| Committee | MW ED |
| Conference Date | 2023-01-27 - 2023-01-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2023-01-MW-ED |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design of Parasitic-Element Loaded Wideband Filtering Antenna with Unidirectional Radiation Pattern over 30% Frequency Bandwidth |
| Sub Title (in English) | |
| Keyword(1) | filtering antenna |
| Keyword(2) | radiation Q factor |
| Keyword(3) | microstrip antenna |
| Keyword(4) | parasitic element |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ken Sakiyama |
| 1st Author's Affiliation | Saitama University (Saitama Univ.) |
| 2nd Author's Name | Masataka Ohira |
| 2nd Author's Affiliation | Saitama University (Saitama Univ.) |
| 3rd Author's Name | Zhewang Ma |
| 3rd Author's Affiliation | Saitama University (Saitama Univ.) |
| 4th Author's Name | |
| 4th Author's Affiliation | () |
| 5th Author's Name | |
| 5th Author's Affiliation | () |
| 6th Author's Name | |
| 6th Author's Affiliation | () |
| Speaker | Author-1 |
| Date Time | 2023-01-27 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | ED2022-87, MW2022-146 |
| Volume (vol) | vol.122 |
| Number (no) | no.370(ED), no.371(MW) |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2023-01-20 (ED, MW) |
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