| Paper Abstract and Keywords |
| Presentation |
2026-07-21 10:55
Measurement and Countermeasure Technique for Radio-Frequency Noise from a CPU Board Atsuya Kase, Satoshi Shimizu, Kazuto Yano, Susumu Ano, Toshikazu Sakano (ATR) SR2026-24 |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
CPU boards mounted on autonomous mobile robots (AMRs) emit radio-frequency noise.In dense AMR environments, the superposition of such noise may interfere with existing wireless communication systems.This paper focuses on a transparent flexible radio-wave reflective film as a countermeasure and evaluates its shielding effectiveness for a mini PC in the 700~MHz to 1~GHz band by measuring the spatial distribution of radio-frequency noise with and without the film-based shielding.The results showed that, although the reduction was not as significant as in the previous experiments that completely enclosed the source using the same film, the peak radio-frequency noise level decreased by 4.1~dB from 70.1 to 66.0~dB$mu$V/m, confirming a certain degree of shielding effectiveness. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
radio-frequency noise / autonomous mobile robot / transparent flexible radio-wave reflective film / shielding / EMC / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 126, no. 120, SR2026-24, pp. 24-28, July 2026. |
| Paper # |
SR2026-24 |
| Date of Issue |
2026-07-14 (SR) |
| 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 |
SR2026-24 |
| Conference Information |
| Committee |
SR RCC |
| Conference Date |
2026-07-21 - 2026-07-23 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Yamaguchi |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
IoT, Wireless Distributed Networks, Sensor Networks, Control Communications, Network Control, General Topics |
| Paper Information |
| Registration To |
SR |
| Conference Code |
2026-07-SR-RCC |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Measurement and Countermeasure Technique for Radio-Frequency Noise from a CPU Board |
| Sub Title (in English) |
|
| Keyword(1) |
radio-frequency noise |
| Keyword(2) |
autonomous mobile robot |
| Keyword(3) |
transparent flexible radio-wave reflective film |
| Keyword(4) |
shielding |
| Keyword(5) |
EMC |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Atsuya Kase |
| 1st Author's Affiliation |
Advanced Telecommunications Reserch Institute International (ATR) |
| 2nd Author's Name |
Satoshi Shimizu |
| 2nd Author's Affiliation |
Advanced Telecommunications Reserch Institute International (ATR) |
| 3rd Author's Name |
Kazuto Yano |
| 3rd Author's Affiliation |
Advanced Telecommunications Reserch Institute International (ATR) |
| 4th Author's Name |
Susumu Ano |
| 4th Author's Affiliation |
Advanced Telecommunications Reserch Institute International (ATR) |
| 5th Author's Name |
Toshikazu Sakano |
| 5th Author's Affiliation |
Advanced Telecommunications Reserch Institute International (ATR) |
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| Speaker |
Author-1 |
| Date Time |
2026-07-21 10:55:00 |
| Presentation Time |
25 minutes |
| Registration for |
SR |
| Paper # |
SR2026-24 |
| Volume (vol) |
vol.126 |
| Number (no) |
no.120 |
| Page |
pp.24-28 |
| #Pages |
5 |
| Date of Issue |
2026-07-14 (SR) |