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Paper Abstract and Keywords
Presentation 2026-07-21 13:00
Field Experiment and Video Quality Assessment of Transmission over a 5.7 GHz Band Mesh Network in Infrastructure-Limited Environments
Kiminobu Makino, Naoya Kaneko (TMC), Rei Sasaki, Yasutomo Watanabe, Kazunori Tateishi (Ikegami) CQ2026-11
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, the demand for video transmission from vehicles has been increasing to enhance customer experience in motorsport environments such as rally competitions. However, such environments often lack communication infrastructure, including cellular networks, and require wireless systems that enable rapid deployment and dismantling. In this study, we construct a video transmission system based on a 5.7 GHz mesh network and evaluate the relationship between communication quality and video quality through field experiments. Experiments are conducted under both point-to-point transmission and mesh network configurations. We analyze communication metrics such as the received signal-to-noise ratio (SNR) and quantify the perceptual quality of received video using a no-reference video quality assessment (VQA) method. The results show that communication degradation due to obstruction and increased transmission distance affects video quality, and that the use of relay nodes in a mesh configuration extends communication coverage and reduces video-quality degradation areas.
Keyword (in Japanese) (See Japanese page) 
(in English) MANET / 5.7 GHz band / Video Transmission / VQA / Fast-VQA / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 121, CQ2026-11, pp. 1-6, July 2026.
Paper # CQ2026-11 
Date of Issue 2026-07-14 (CQ) 
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 CQ2026-11

Conference Information
Committee CQ  
Conference Date 2026-07-21 - 2026-07-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Eef Jouhou Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CQ 
Conference Code 2026-07-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Field Experiment and Video Quality Assessment of Transmission over a 5.7 GHz Band Mesh Network in Infrastructure-Limited Environments 
Sub Title (in English)  
Keyword(1) MANET  
Keyword(2) 5.7 GHz band  
Keyword(3) Video Transmission  
Keyword(4) VQA  
Keyword(5) Fast-VQA  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kiminobu Makino  
1st Author's Affiliation Toyota Motor Corporation (TMC)
2nd Author's Name Naoya Kaneko  
2nd Author's Affiliation Toyota Motor Corporation (TMC)
3rd Author's Name Rei Sasaki  
3rd Author's Affiliation Ikegami Tsushinki Co., Ltd. (Ikegami)
4th Author's Name Yasutomo Watanabe  
4th Author's Affiliation Ikegami Tsushinki Co., Ltd. (Ikegami)
5th Author's Name Kazunori Tateishi  
5th Author's Affiliation Ikegami Tsushinki Co., Ltd. (Ikegami)
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Speaker Author-1 
Date Time 2026-07-21 13:00:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2026-11 
Volume (vol) vol.126 
Number (no) no.121 
Page pp.1-6 
#Pages 6 
Date of Issue 2026-07-14 (CQ) 

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