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| Paper Abstract and Keywords | ||
| Presentation | 2008-04-17 14:50 Dependence of Antenna Imdependence on Distance between UHF RFID Tags Yu Tanaka, Yohtaro Umeda, Osamu Takyu (Tokyo Univ. of Science), Machiko Nakayama, Kazunari Kodama (Toppan Forms)  AP2008-8 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | If a UHF band RFID tag is brought close to metal, since the antenna of tag to which electric power transmission gain falls to and the reading rate from a leader falls remarkably by electromagnetic interference consists of metal, even if tags approach, the same phenomenon will produce it. By this research, the change of the transmission gain of a leader and a tag by distance was quantified using electromagnetic field simulator, and it compared with the survey result under these conditions. Change of the antenna impedance which is the cause which causes change of transmission gain was computed by modeling the system configuration at the time of approaching. A fixed quantity of change of the electric power reflection factor at an antenna from tag IC was finally compared with transmission gain. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | RFID / UHF / Tag / Reader / Antenna Impedance / Return Loss / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 5, AP2008-8, pp. 39-44, April 2008. | |
| Paper # | AP2008-8 | |
| Date of Issue | 2008-04-10 (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 | AP2008-8 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2008-04-17 - 2008-04-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka Electro-Communication University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Etc. |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2008-04-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Dependence of Antenna Imdependence on Distance between UHF RFID Tags |
| Sub Title (in English) | |
| Keyword(1) | RFID |
| Keyword(2) | UHF |
| Keyword(3) | Tag |
| Keyword(4) | Reader |
| Keyword(5) | Antenna Impedance |
| Keyword(6) | Return Loss |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yu Tanaka |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 2nd Author's Name | Yohtaro Umeda |
| 2nd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 3rd Author's Name | Osamu Takyu |
| 3rd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 4th Author's Name | Machiko Nakayama |
| 4th Author's Affiliation | Toppan Forms Co., Ltd., (Toppan Forms) |
| 5th Author's Name | Kazunari Kodama |
| 5th Author's Affiliation | Toppan Forms Co., Ltd., (Toppan Forms) |
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| Speaker | Author-1 |
| Date Time | 2008-04-17 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2008-8 |
| Volume (vol) | vol.108 |
| Number (no) | no.5 |
| Page | pp.39-44 |
| #Pages | 6 |
| Date of Issue | 2008-04-10 (AP) |
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