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| Presentation | 2019-06-21 14:35 Flexible Extensions to Private LTE Networking with Softwarization Nakao Akihiro, Ping Du (UTokyo), Daisuke Maruyama, Munenori Ohuchi (IIJ)  NS2019-42 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A new private Long Term Evolution (LTE) specification called sXGP (shared eXtended Global Platform) has been defined and made available since 2018. sXGP can be used in unlicensed LTE bands but with the same security and reliability features as production LTE networks. sXGP attracts much attention, filling the gap between public LTE, highly secure and reliable but costly solution and wireless LAN (WiFi), less secure and reliable one. More and more enterprises, local governments and industries are deploying their own private LTE networks to keep their data securely and locally and selectively delivered to the Internet. In this paper, we introduce our prototype system of software-defined eNodeB (eNB) and Evolved Packet Core (EPC) components. Utilizing the flexibility of softwarization, we demonstrate the extensions to sXGP's capabilities in two ways. First, we introduce application specific network slicing, isolating multiple application traffic in different private LTE network instances on the same infrastructure, enabling advanced traffic optimization and per-application edge computing. Second, to alleviate the inherent coverage problem of private LTE, we integrate our private LTE network with a public one by sharing Home Subscriber Server (HSS) database so that a UE may migrate between two networks seamlessly with only one SIM. These experimental studies show that softwarization may quickly and flexibly enhance the benefits of private LTE networks, which may also be applied to 5G and Local 5G. Especially, we believe that the second extension of alleviating coverage issue can not only help local governments and enterprises promote the deployment of their private LTE networks but also benefit the 5G/Local 5G deployment. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Software define network (SDN) / Network softwarization / Private LTE / 5G / Local 5G / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 92, NS2019-42, pp. 41-46, June 2019. | |
| Paper # | NS2019-42 | |
| Date of Issue | 2019-06-13 (NS) | |
| 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 | NS2019-42 |
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| Conference Information | |
| Committee | OCS PN NS |
| Conference Date | 2019-06-20 - 2019-06-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | MALIOS（Morioka） |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Photonic network system, Optical network operation and administration, Optical network design, Traffic engineering, Signaling, GMPLS, Inter-domain route control, Network monitoring, Optical amplifier and Optical repeater, Optical crossconect (OXC) and Optical add/drop multiplexer (OADM), Optical multiplexing/demultiplexing equipment, Optical signal processing, Optical terminal equipment, Digital signal processing and error correction, Optical communication measurement, Core/metro system, Seafloor transmission system, Optical access system and NG-PON, Ethernet, Optical transport network (OTN), Transmission monitoring and control, Optical transmission system design and tool, Mobile and Mobile-optical cooperation, etc. |
| Paper Information | |
| Registration To | NS |
| Conference Code | 2019-06-OCS-PN-NS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Flexible Extensions to Private LTE Networking with Softwarization |
| Sub Title (in English) | |
| Keyword(1) | Software define network (SDN) |
| Keyword(2) | Network softwarization |
| Keyword(3) | Private LTE |
| Keyword(4) | 5G |
| Keyword(5) | Local 5G |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Nakao Akihiro |
| 1st Author's Affiliation | The University of Tokyo (UTokyo) |
| 2nd Author's Name | Ping Du |
| 2nd Author's Affiliation | The University of Tokyo (UTokyo) |
| 3rd Author's Name | Daisuke Maruyama |
| 3rd Author's Affiliation | Internet Initiative Japan (IIJ) |
| 4th Author's Name | Munenori Ohuchi |
| 4th Author's Affiliation | Internet Initiative Japan (IIJ) |
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| Speaker | Author-1 |
| Date Time | 2019-06-21 14:35:00 |
| Presentation Time | 25 minutes |
| Registration for | NS |
| Paper # | NS2019-42 |
| Volume (vol) | vol.119 |
| Number (no) | no.92 |
| Page | pp.41-46 |
| #Pages | 6 |
| Date of Issue | 2019-06-13 (NS) |
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