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Paper Abstract and Keywords
Presentation 2024-10-17 10:00
[Poster Presentation] Evaluation of Doppler Shift in Ultra High-Speed Rail for Beyond 5G
Yu Nagaoka, Shintou Jyo, Keiya Kurihara, Toshiyuki Maeyama (Takushoku Univ.) AP2024-78
Abstract (in Japanese) (See Japanese page) 
(in English) The construction of the Chuo Shinkansen, a maglev train, is progressing with the goal of commencing operations in 2027. In order to provide 5GNR inside such ultra-high-speed trains, it is necessary to establish coverage along the railway route. However, since the train is expected to travel at approximately 500 km/h, the Doppler frequency shift at radio frequencies cannot be ignored.
In 5G NR, phase correction methods using PT-RS (Phase Tracking Reference Signal) are employed to compensate for Doppler shifts. Although this PT-RS is frequently acquired for correction, it is considered insufficient to correct for each wireless frame in an ultra-high-speed train traveling at 500 km/h.
In this study, we aim to provide 5G NR for ultra-high-speed trains, focusing particularly on the Doppler frequency shift. Based on 3GPP standards, we evaluated the impact of Doppler shifts in 5G NR through simulations, which will be reported in this presentation.
Keyword (in Japanese) (See Japanese page) 
(in English) Beyond5G / 6G / Doppler Shift / PT-RS / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 206, AP2024-78, pp. 70-71, Oct. 2024.
Paper # AP2024-78 
Date of Issue 2024-10-09 (AP) 
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 AP2024-78

Conference Information
Committee AP  
Conference Date 2024-10-16 - 2024-10-18 
Place (in Japanese) (See Japanese page) 
Place (in English) ACROS Fukuoka 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2024-10-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Doppler Shift in Ultra High-Speed Rail for Beyond 5G 
Sub Title (in English)  
Keyword(1) Beyond5G  
Keyword(2) 6G  
Keyword(3) Doppler Shift  
Keyword(4) PT-RS  
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1st Author's Name Yu Nagaoka  
1st Author's Affiliation Takushoku University (Takushoku Univ.)
2nd Author's Name Shintou Jyo  
2nd Author's Affiliation Takushoku University (Takushoku Univ.)
3rd Author's Name Keiya Kurihara  
3rd Author's Affiliation Takushoku University (Takushoku Univ.)
4th Author's Name Toshiyuki Maeyama  
4th Author's Affiliation Takushoku University (Takushoku Univ.)
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Speaker Author-1 
Date Time 2024-10-17 10:00:00 
Presentation Time 110 minutes 
Registration for AP 
Paper # AP2024-78 
Volume (vol) vol.124 
Number (no) no.206 
Page pp.70-71 
#Pages 2 
Date of Issue 2024-10-09 (AP) 

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