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| Presentation | 2019-07-16 15:35 Study of Electromagnetic Noise Radiated from LED Tubes and Its Impact on Wireless Medical Telemeter Kai Ishida, Ifong Wu, Kaoru Gotoh, Yasushi Matsumoto (NICT)  WBS2019-18 MICT2019-19 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Light emitting diode (LED) lamps have become wide spread in clinical settings. Switched-mode power supplies built in LED lamp radiate electromagnetic noise and may interfere with wireless communications. We evaluated time domain envelope of electromagnetic noise radiated from LED tubes. In our previous research revealed that most of electromagnetic noise radiated from LED bulbs were in good agreement with Gaussian noise with same power when the electromagnetic noise was band-limited to the narrow bandwidth of wireless medical telemeter. However, most of electromagnetic noise radiated from LED tubes were in disagreement with this noise. The impulsive correction factor (ICF) is needed to use Gaussian approximation. The critical reception of wireless medical telemeter subjected to interference by LED tube installation was investigated. The required carrier to noise ratio of electromagnetic noise radiated from LED tube is higher than Gaussian noise. We measured spatial distribution of electromagnetic noise and estimated rough indication of the offset distance required between the receiving antenna of a wireless medical telemeter and an LED tube. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless medical telemeter / LED lamp / Electromagnetic noise / Amplitude probability disturbance (APD) / Impulsive correction factor (ICF) / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 117, MICT2019-19, pp. 45-50, July 2019. | |
| Paper # | MICT2019-19 | |
| Date of Issue | 2019-07-09 (WBS, MICT) | |
| 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 | WBS2019-18 MICT2019-19 |
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| Conference Information | |
| Committee | WBS MICT |
| Conference Date | 2019-07-16 - 2019-07-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ibaraki University(Mito Campus) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Poster Session, Wideband System, Healthcare and Medical Information Communication Technologies, etc. |
| Paper Information | |
| Registration To | MICT |
| Conference Code | 2019-07-WBS-MICT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of Electromagnetic Noise Radiated from LED Tubes and Its Impact on Wireless Medical Telemeter |
| Sub Title (in English) | |
| Keyword(1) | Wireless medical telemeter |
| Keyword(2) | LED lamp |
| Keyword(3) | Electromagnetic noise |
| Keyword(4) | Amplitude probability disturbance (APD) |
| Keyword(5) | Impulsive correction factor (ICF) |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kai Ishida |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Ifong Wu |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 3rd Author's Name | Kaoru Gotoh |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Yasushi Matsumoto |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2019-07-16 15:35:00 |
| Presentation Time | 25 minutes |
| Registration for | MICT |
| Paper # | WBS2019-18, MICT2019-19 |
| Volume (vol) | vol.119 |
| Number (no) | no.116(WBS), no.117(MICT) |
| Page | pp.45-50 |
| #Pages | 6 |
| Date of Issue | 2019-07-09 (WBS, MICT) |
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