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Paper Abstract and Keywords
Presentation 2024-12-19 15:25
[Invited Lecture] A Study on Mitigating Latency Spikes Caused by Inter-Cell Handover in 5G Mobile Network Based Vehicle-to-Vehicle Communication -- Concept Proposal of Multi-Band Redundant V2N2V and Its Field Experiment --
Manabu Mikami (SoftBank), Jin Nakazato (Tokyo Univ.) NS2024-151 RCS2024-184
Abstract (in Japanese) (See Japanese page) 
(in English) Automated 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 networks, including 5G, suffer from communication latency spikes caused by the suspension of Data Radio Bearer (DRB), during inter-cell handover (HO) procedure, which corresponds to the radio bearer used to transfer user data between a base station (BS) and a user equipment (UE). Therefore, the communication latency spikes caused by inter-cell HOs are one of the important technical issues that needed to resolved at present. This report introduces our R&D activities on latency spike mitigation technology during inter-cell HOs for mobile network based vehicle-to-vehicle communication, i.e., V2N2V. In order to mitigate the communication latency spikes in the current cellular mobile networks, the authors propose Multi-Band Redundant V2N2V. In the proposed Multi-Band Redundant V2N2V, after replicating each packet at the transmitting in-vehicle UE side, the replicated packets transmitted over multiple frequency bands operated by a single mobile network operator (MNO), and then forwarding only packet that arrive earliest at the receiving in-vehicle UE among the replicated packets, can avoid the latency spike issue associated with the DRB suspend during inter-cell HO procedure. This report presents a field experiment of Multi-Bnad Redundant V2N2V carried out under a commercial 5G Standalone network environment in Tokyo Metropolitan, Japan. Finally, the results demonstrate the effectiveness of Multi-Band Redundant V2N2V in practical network environments.
Keyword (in Japanese) (See Japanese page) 
(in English) Platooning / Automated BRT / Low Latency Communication / Multi-Band Redundant V2N2V / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 311, RCS2024-184, pp. 51-56, Dec. 2024.
Paper # RCS2024-184 
Date of Issue 2024-12-12 (NS, 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 NS2024-151 RCS2024-184

Conference Information
Committee NS RCS  
Conference Date 2024-12-19 - 2024-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Hakodate Arena + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc. 
Paper Information
Registration To RCS 
Conference Code 2024-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Mitigating Latency Spikes Caused by Inter-Cell Handover in 5G Mobile Network Based Vehicle-to-Vehicle Communication 
Sub Title (in English) Concept Proposal of Multi-Band Redundant V2N2V and Its Field Experiment 
Keyword(1) Platooning  
Keyword(2) Automated BRT  
Keyword(3) Low Latency Communication  
Keyword(4) Multi-Band Redundant V2N2V  
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1st Author's Name Manabu Mikami  
1st Author's Affiliation SoftBank Corp. (SoftBank)
2nd Author's Name Jin Nakazato  
2nd Author's Affiliation Tokyo University (Tokyo Univ.)
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Speaker Author-1 
Date Time 2024-12-19 15:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # NS2024-151, RCS2024-184 
Volume (vol) vol.124 
Number (no) no.310(NS), no.311(RCS) 
Page pp.50-55(NS), pp.51-56(RCS) 
#Pages 6 
Date of Issue 2024-12-12 (NS, RCS) 

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