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Paper Abstract and Keywords
Presentation 2024-04-25 16:10
[Invited Talk] R&D Activities on Mobile Network Evolution Technology towards Autonomous Driving Era -- Low Latency Vehicular Communications Using SRv6 Mobile User Plane --
Manabu Mikami, Katsuhiro Horiba, Hitoshi Yoshino (SoftBank) RCS2024-5
Abstract (in Japanese) (See Japanese page) 
(in English) Autonomous driving technologies is essential to realizing sustainable logistics and regional transportation services, and require to reduce further communication latency in mobile networks that supports the technologies. Unfortunately, the current cellular mobile networks suffer from a major problem, especially in rural areas, where the transmission latency at the wired backhaul side between the base stations (BSs) and the mobile core nodes (CNs) is larger than the transmission latency at the wireless access side. In order to solve such problem in the cellular mobile networks, SRv6 Mobile User Plane (MUP) that integrates 3GPP based mobile network with Segment Routing over IPv6 (SRv6). SRv6 MUP has the functionality to advertise the IP routing information to the wired transport network among BSs and CNs in consideration to user terminal (UE) mobility including inter-cell handover (HO) between BSs, that enables not only low-latency edge computing and but also low-latency UE-to-UE communications via BSs with the shortest packet route, efficiently. This report fast overviews SRv6 MUP technology as well as describes its mechanism that support the UE mobility including HO between radio base stations. Then, this report also presents a new concept of V2N/V2N2V communication latency reduction technology using SRv6 MUP, regarding evolved mobile network technology towards autonomous driving era. Next, it also presents field evaluation tests of low latency in-vehicle UE-to-UE communication using SRv6 MUP under a commercial 5G Standalone network environment assuming application to low-latency V2N2V, and the results demonstrate the effectiveness of SRv6 MUP in practical network environments. Finally, we will discuss the issues identified through the field evaluation results and the functions that should be implemented on the wireless network side in the future, to realize a low latency mobile networks for autonomous driving era.
Keyword (in Japanese) (See Japanese page) 
(in English) Autonomous Driving / Mobile Network Evolution / Low Latency Communication / V2N / V2N2V / SRv6 / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 9, RCS2024-5, pp. 20-25, April 2024.
Paper # RCS2024-5 
Date of Issue 2024-04-18 (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 RCS2024-5

Conference Information
Committee RCS  
Conference Date 2024-04-25 - 2024-04-26 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Radio Access Technologies, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2024-04-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) R&D Activities on Mobile Network Evolution Technology towards Autonomous Driving Era 
Sub Title (in English) Low Latency Vehicular Communications Using SRv6 Mobile User Plane 
Keyword(1) Autonomous Driving  
Keyword(2) Mobile Network Evolution  
Keyword(3) Low Latency Communication  
Keyword(4) V2N  
Keyword(5) V2N2V  
Keyword(6) SRv6  
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Keyword(8)  
1st Author's Name Manabu Mikami  
1st Author's Affiliation SoftBank (SoftBank)
2nd Author's Name Katsuhiro Horiba  
2nd Author's Affiliation SoftBank (SoftBank)
3rd Author's Name Hitoshi Yoshino  
3rd Author's Affiliation SoftBank (SoftBank)
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Speaker Author-1 
Date Time 2024-04-25 16:10:00 
Presentation Time 50 minutes 
Registration for RCS 
Paper # RCS2024-5 
Volume (vol) vol.124 
Number (no) no.9 
Page pp.20-25 
#Pages 6 
Date of Issue 2024-04-18 (RCS) 

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