Paper Abstract and Keywords |
Presentation |
2023-03-03 13:00
A Radio Wave Environment Measurement in Dense Environment using Real-Time Wideband Spectrum Monitor Tomoyuki Furuichi, Takashi Shiba (Tohoku Univ.), Youhei Kubota, Ryo Koike, Kouhei Hanzawa (TMEJ), Noriharu Suematsu (Tohoku Univ.) MW2022-175 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
In an environment where multiple different wireless systems, such as wireless IoT, coexist in a narrow space such as a factory, interference between these wireless systems causes a degradation of communication data rate and response time.To solve the interference problem, we have developed a real-time, wideband frequency sensing technology that can monitor signals and noise in the frequency bands used by wireless IoT devices (920 MHz, 2.4 GHz, and 5 GHz bands). The developed frequency spectrum monitor can identify the original RF signal by sampling at multiple clock frequencies using a direct RF undersampling method. The clock frequency is lower than the received RF signal frequency and does not require a high-speed ADC, making it easy to configure with commercial components. In this presentation, we report the results of the monitoring of the frequency spectrums in dense environment where many access points and wireless IoT devices using different communication standards(e.g. WLAN, Bluetooth) which use the unlicensed bands. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Wireless IoT / Spectrum Monitor / Digital RF / Direct RF / Undersampling / / / |
Reference Info. |
IEICE Tech. Rep., vol. 122, no. 411, MW2022-175, pp. 103-107, March 2023. |
Paper # |
MW2022-175 |
Date of Issue |
2023-02-23 (MW) |
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 |
MW2022-175 |
Conference Information |
Committee |
MW |
Conference Date |
2023-03-02 - 2023-03-03 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Tottori Univ. |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Microwave, etc. |
Paper Information |
Registration To |
MW |
Conference Code |
2023-03-MW |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A Radio Wave Environment Measurement in Dense Environment using Real-Time Wideband Spectrum Monitor |
Sub Title (in English) |
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Keyword(1) |
Wireless IoT |
Keyword(2) |
Spectrum Monitor |
Keyword(3) |
Digital RF |
Keyword(4) |
Direct RF |
Keyword(5) |
Undersampling |
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1st Author's Name |
Tomoyuki Furuichi |
1st Author's Affiliation |
Tohoku University (Tohoku Univ.) |
2nd Author's Name |
Takashi Shiba |
2nd Author's Affiliation |
Tohoku University (Tohoku Univ.) |
3rd Author's Name |
Youhei Kubota |
3rd Author's Affiliation |
Toyota Motor East Japan (TMEJ) |
4th Author's Name |
Ryo Koike |
4th Author's Affiliation |
Toyota Motor East Japan (TMEJ) |
5th Author's Name |
Kouhei Hanzawa |
5th Author's Affiliation |
Toyota Motor East Japan (TMEJ) |
6th Author's Name |
Noriharu Suematsu |
6th Author's Affiliation |
Tohoku University (Tohoku Univ.) |
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Speaker |
Author-1 |
Date Time |
2023-03-03 13:00:00 |
Presentation Time |
25 minutes |
Registration for |
MW |
Paper # |
MW2022-175 |
Volume (vol) |
vol.122 |
Number (no) |
no.411 |
Page |
pp.103-107 |
#Pages |
5 |
Date of Issue |
2023-02-23 (MW) |
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