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| Presentation | 2011-03-03 13:25 Reading Characteristics of 2.45GHz Band Passive RFID Tags Attached to a Large Metallic Plate form a Close Distance Wataru Sudo, Shigeki Obote, Kenichi Kagoshima (Ibaraki Univ.)  AP2010-180 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we have compared the characteristics of a circularly polarized antenna and linearly polarized antenna when 2.45GHz band passive RFID tags are attached to a large metallic plate. Although reading performance of the RFID tags are degraded, recognition is possible by placing the reader antenna in the vicinity of the tag. Under such environment, we measured |S21| between a reader antenna and a tag represented by a dipole antenna. As a result, we have confirmed the phenomenon that the |S21| of circularly polarized antenna is higher than that of linearly polarized one. We have investigated about a cause and it is revealed that the circularly polarized antenna has nearly llinearly polarized electric field distribution and has good impedance matching characteristics for linearly polarized antenna. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 2.45GHz / RFID / Linear polarization / Circular polarizatio / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 446, AP2010-180, pp. 37-42, March 2011. | |
| Paper # | AP2010-180 | |
| Date of Issue | 2011-02-24 (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 | AP2010-180 |
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| Conference Information | |
| Committee | AP MW |
| Conference Date | 2011-03-03 - 2011-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ibaraki Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | AP, MW |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2011-03-AP-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Reading Characteristics of 2.45GHz Band Passive RFID Tags Attached to a Large Metallic Plate form a Close Distance |
| Sub Title (in English) | |
| Keyword(1) | 2.45GHz |
| Keyword(2) | RFID |
| Keyword(3) | Linear polarization |
| Keyword(4) | Circular polarizatio |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Wataru Sudo |
| 1st Author's Affiliation | Ibaraki University (Ibaraki Univ.) |
| 2nd Author's Name | Shigeki Obote |
| 2nd Author's Affiliation | Ibaraki University (Ibaraki Univ.) |
| 3rd Author's Name | Kenichi Kagoshima |
| 3rd Author's Affiliation | Ibaraki University (Ibaraki Univ.) |
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| Speaker | Author-2 |
| Date Time | 2011-03-03 13:25:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2010-180 |
| Volume (vol) | vol.110 |
| Number (no) | no.446 |
| Page | pp.37-42 |
| #Pages | 6 |
| Date of Issue | 2011-02-24 (AP) |
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