Paper Abstract and Keywords |
Presentation |
2007-12-10 10:20
Advanced Low Power Long Distance RF-Tag Systems by Using Modulated Subcarrier Wave Hitoshi Kitayoshi, Kunio Sawaya (Tohoku Univ.) SIS2007-47 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Novel semi-passive sensor RF-tags for a low power consumption and a long reading range are proposed. Tags are composed of a sensor, a wearable cavity-backed slot antenna, a resonant short stub circuit for boosting the rectified DC voltage and a pulse key detector for the wake up operation. Subcarrier multilevel phase shift keying (MPSK) is employed for continuous data communications and distance measurement, is proposed. Experimental study of fabricated semi-passive RF-tags, i.e., tags for distance measurement, tri-axial acceleration sensor and electrocardiographic monitor, is presented, in which 35 m range response can be achieved in the 3mW/MHz ARIB STD-T81 reader at 2.45 GHz band. Current requirements of battery in these tags are 10uA (20sps), 633uA (350sps) and 583uA (350sps), respectively, which are much smaller than conventional active RF-tags. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
RF-tag / low power consumption / wearable antenna / subcarrier MPSK / voltage step up circuit by resonant stub / pulse key detector / / |
Reference Info. |
IEICE Tech. Rep., vol. 107, no. 373, SIS2007-47, pp. 13-18, Dec. 2007. |
Paper # |
SIS2007-47 |
Date of Issue |
2007-12-03 (SIS) |
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) |
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SIS2007-47 |
Conference Information |
Committee |
SIS |
Conference Date |
2007-12-10 - 2007-12-11 |
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(See Japanese page) |
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Paper Information |
Registration To |
SIS |
Conference Code |
2007-12-SIS |
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Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Advanced Low Power Long Distance RF-Tag Systems by Using Modulated Subcarrier Wave |
Sub Title (in English) |
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RF-tag |
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low power consumption |
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wearable antenna |
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subcarrier MPSK |
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voltage step up circuit by resonant stub |
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pulse key detector |
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1st Author's Name |
Hitoshi Kitayoshi |
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Kunio Sawaya |
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Tohoku University (Tohoku Univ.) |
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Speaker |
Author-1 |
Date Time |
2007-12-10 10:20:00 |
Presentation Time |
40 minutes |
Registration for |
SIS |
Paper # |
SIS2007-47 |
Volume (vol) |
vol.107 |
Number (no) |
no.373 |
Page |
pp.13-18 |
#Pages |
6 |
Date of Issue |
2007-12-03 (SIS) |
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