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Paper Abstract and Keywords
Presentation 2024-09-05 12:40
[Special Invited Talk] Overview of non-terrestrial networks and application of optical satellite data relay system
Eiji Okamoto (NITech) CS2024-38
Abstract (in Japanese) (See Japanese page) 
(in English) Non-terrestrial networks (NTNs) are wireless networks that transmit and receive data via communication devices installed in the air, including outer space, such as satellites, drones, unmanned aerial vehicles, and balloons, without relying on terrestrial communication systems. Satellite communication stations can provide communication links to user ground stations located in a wide area of about 1/3 of the Earth's surface, and have been in practical use for a long time. In June 2022, the 3GPP (Third generation partnership project) released the specifications for the first fifth-generation mobile communications system (5G) using satellite communications, establishing a direct link between terrestrial user terminals and satellites. With this specification of 5G and the construction of a near-earth communications network using many low-earth orbit satellites, called as a “satellite constellation,” NTNs have attracted much attention in recent years. NTNs enable the construction of organic space networks with base and relay stations in the sky, and are expected to create a variety of new use-cases. The use of high-frequency radio and optical waves can alleviate the interference problem caused by horizontally and vertically interconnected wireless transmissions, in addition to increasing the capacity. This study provides an overview of such non-terrestrial networks, introduces the use of optical data relay satellites, which are promising for the realization of future space networks, and discusses the prospects for space network utilization in 6G.
Keyword (in Japanese) (See Japanese page) 
(in English) Non-Terrestrial Network / 6G / Satellite Communications / Spatial Laser Communications / Optical Satellite Data Relay System / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 181, CS2024-38, pp. 1-1, Sept. 2024.
Paper # CS2024-38 
Date of Issue 2024-08-29 (CS) 
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 CS2024-38

Conference Information
Committee NS IN CS NV  
Conference Date 2024-09-05 - 2024-09-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Session management (SIP/IMS), Interoperability/Standardization, NGN/NwGN/Future networks, Cloud/Data center networks, SDN (OpenFlow, etc.)/NFV, IPv6, Machine learning, etc. 
Paper Information
Registration To CS 
Conference Code 2024-09-IN-NS-CS-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Overview of non-terrestrial networks and application of optical satellite data relay system 
Sub Title (in English)  
Keyword(1) Non-Terrestrial Network  
Keyword(2) 6G  
Keyword(3) Satellite Communications  
Keyword(4) Spatial Laser Communications  
Keyword(5) Optical Satellite Data Relay System  
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1st Author's Name Eiji Okamoto  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
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Speaker Author-1 
Date Time 2024-09-05 12:40:00 
Presentation Time 40 minutes 
Registration for CS 
Paper # CS2024-38 
Volume (vol) vol.124 
Number (no) no.181 
Page p.1 
#Pages 1 
Date of Issue 2024-08-29 (CS) 

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