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Paper Abstract and Keywords
Presentation 2022-08-22 10:15
Analysis of 2.4 GHz Band Received Power Fluctuation in a Factory Environment
Azril Haniz, Hirokazu Sawada, Hikaru Kawasaki, Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT), Kensuke Matsui, Genki Hosokawa (YAZAKI Corporation), Yasuyuki Yanagi (Yazaki Energy System Corporation), Tadahide Kunitachi (YAZAKI Corporation) SRW2022-9
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, analysis of a long term radio propagation channel measurement to investigate the temporal fluctuations of received power at the 2.4 GHz band in a factory environment is presented. The transmitter antenna was set up at a high location at the center of the factory, and the temporal fluctuations of the received power was measured at several fixed locations using a portable spectrum analyzer. A spectrum analyzer was also placed on top of an Automatic Guided Vehicle (AGV), and the received power was measured while the AGV moved around the factory. We found that the received power fluctuated about 10 dB when the receiver location was fixed, while the received power fluctuated about 30 dB when the receiver was placed on top of the moving AGV. The histogram of the received power was compared with several common probability density functions, and we found that the stable distribution could model the distribution of the received power best, regardless of the receiver location.
Keyword (in Japanese) (See Japanese page) 
(in English) Received power / Factory / 5G / Beyond 5G / Cyber-physical system / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 155, SRW2022-9, pp. 2-7, Aug. 2022.
Paper # SRW2022-9 
Date of Issue 2022-08-15 (SRW) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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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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Conference Information
Committee SRW  
Conference Date 2022-08-22 - 2022-08-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) WLAN, WPAN, Ad-hoc, mmWave, etc. 
Paper Information
Registration To SRW 
Conference Code 2022-08-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of 2.4 GHz Band Received Power Fluctuation in a Factory Environment 
Sub Title (in English)  
Keyword(1) Received power  
Keyword(2) Factory  
Keyword(3) 5G  
Keyword(4) Beyond 5G  
Keyword(5) Cyber-physical system  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Azril Haniz  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Hirokazu Sawada  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Hikaru Kawasaki  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Kazuo Ibuka  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
5th Author's Name Takeshi Matsumura  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Fumihide Kojima  
6th Author's Affiliation National Institute of Information and Communications Technology (NICT)
7th Author's Name Kensuke Matsui  
7th Author's Affiliation YAZAKI Research and Technology Center, YAZAKI Corporation (YAZAKI Corporation)
8th Author's Name Genki Hosokawa  
8th Author's Affiliation YAZAKI Research and Technology Center, YAZAKI Corporation (YAZAKI Corporation)
9th Author's Name Yasuyuki Yanagi  
9th Author's Affiliation Numazu Factory, Yazaki Energy System Corporation (Yazaki Energy System Corporation)
10th Author's Name Tadahide Kunitachi  
10th Author's Affiliation YAZAKI Research and Technology Center, YAZAKI Corporation (YAZAKI Corporation)
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Speaker Author-1 
Date Time 2022-08-22 10:15:00 
Presentation Time 25 minutes 
Registration for SRW 
Paper # SRW2022-9 
Volume (vol) vol.122 
Number (no) no.155 
Page pp.2-7 
#Pages
Date of Issue 2022-08-15 (SRW) 


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