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| Presentation | 2020-04-23 10:00 Development of Millimeter Wave Local Network System with Service Area Extension based on RoF Technology Takeshi Matsumura, Hikaru Kawasaki, Kazuo Ibuka, Fumihide Kojima (NICT)  RCS2020-1 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Currently, Local 5G (5th Generation Communication System), which provides private services within limited sites such as buildings and premises by using innovative technologies in 5G, has attracted attentions. The demands on the outdoor use of Local 5G become stronger, while only a 100 MHz bandwidth of 28.2–28.3 GHz is allocated for outdoor use cases at present. In general, 28 GHz or higher millimeter wave band has difficulty in wide area coverage with one base station, and low-cost area expansion methods have been widely studied. In this paper, we present a local network system enabling area expansion using an RoF (Radio over Fiber) technology for constructing a local linear cell to provide a local service to moving vehicles and trains. This system is based on TDD (Time Division Duplex) LTE and uses 32 GHz band for radio communication. RF an-alog signals are divided into four by using a divider and divided RF signals are transferred to multiple RRHs (Remote Radio Heads) with fibers. Also, a compensation circuit for the Doppler shift is implemented in UE to support vehicles and trains at a moving speed of 60 km/h. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Local 5G / Millimeter wave / RoF / Local network / Local spot cell / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 10, RCS2020-1, pp. 1-6, April 2020. | |
| Paper # | RCS2020-1 | |
| Date of Issue | 2020-04-16 (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 | RCS2020-1 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2020-04-23 - 2020-04-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| 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 | 2020-04-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of Millimeter Wave Local Network System with Service Area Extension based on RoF Technology |
| Sub Title (in English) | |
| Keyword(1) | Local 5G |
| Keyword(2) | Millimeter wave |
| Keyword(3) | RoF |
| Keyword(4) | Local network |
| Keyword(5) | Local spot cell |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takeshi Matsumura |
| 1st Author's Affiliation | National Insitute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Hikaru Kawasaki |
| 2nd Author's Affiliation | National Insitute of Information and Communications Technology (NICT) |
| 3rd Author's Name | Kazuo Ibuka |
| 3rd Author's Affiliation | National Insitute of Information and Communications Technology (NICT) |
| 4th Author's Name | Fumihide Kojima |
| 4th Author's Affiliation | National Insitute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2020-04-23 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2020-1 |
| Volume (vol) | vol.120 |
| Number (no) | no.10 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2020-04-16 (RCS) |
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