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Paper Abstract and Keywords
Presentation 2026-05-14 14:30
[Invited Talk] Research Trends and Future Perspectives on Wireless Technologies Enabled by Space-Time Synchronization
Suguru Kameda (Hiroshima Univ.) IN2026-4 RCS2026-16
Abstract (in Japanese) (See Japanese page) 
(in English) Space-time synchronization and positioning, navigation, and timing (PNT) are key research areas that should be prioritized in sixth-generation (6G) and beyond fifth-generation (B5G) systems. In this context, space-time synchronization refers to a state in which all nodes within a given region are synchronized, and each node can determine the distances to its neighboring nodes. Recent advances in device technologies, such as high-stability frequency reference oscillators, have significantly improved the accuracy of space-time synchronization. Space-time synchronization is expected to play a vital role in applications such as cyber-physical systems (CPS), as well as in advancing other communication-related fields. This presentation will begin with an overview of current research and development trends in space-time synchronization. It will then cover the author's recent work on wireless communication systems based on space-time synchronization, focusing on technologies that enable the simultaneous connectivity of multiple wireless terminals. Finally, it will discuss future prospects for 6G and B5G systems.
Keyword (in Japanese) (See Japanese page) 
(in English) Massive connect internet of things (IoT) / Space-time synchronization / Positioning, navigation, and timing (PNT) / Synchronized spread-spectrum code-division multiple access (SS-CDMA) / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 23, RCS2026-16, pp. 19-19, May 2026.
Paper # RCS2026-16 
Date of Issue 2026-05-07 (IN, RCS) 
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 IN2026-4 RCS2026-16

Conference Information
Committee IN RCS NV  
Conference Date 2026-05-14 - 2026-05-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima City University Satellite Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Ad-Hoc/Sensor Networks/MANET, Mobile Networks, M2M/IoT Communications, Wi-Fi, IEEE802.15(ZigBee) and others 
Paper Information
Registration To RCS 
Conference Code 2026-05-IN-RCS-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Research Trends and Future Perspectives on Wireless Technologies Enabled by Space-Time Synchronization 
Sub Title (in English)  
Keyword(1) Massive connect internet of things (IoT)  
Keyword(2) Space-time synchronization  
Keyword(3) Positioning, navigation, and timing (PNT)  
Keyword(4) Synchronized spread-spectrum code-division multiple access (SS-CDMA)  
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1st Author's Name Suguru Kameda  
1st Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2026-05-14 14:30:00 
Presentation Time 50 minutes 
Registration for RCS 
Paper # IN2026-4, RCS2026-16 
Volume (vol) vol.126 
Number (no) no.22(IN), no.23(RCS) 
Page p.20(IN), p.19(RCS) 
#Pages 1 
Date of Issue 2026-05-07 (IN, RCS) 

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