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| Presentation | 2020-10-23 11:15 Cylindrical Massive MIMO System for Ultra-Wide Coverage and High-Capacity HAPS Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank)  RCS2020-105 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The coverage extension to the sky, seas, and mountains is one of the important concepts of the 6th generation mobile communications (6G). High-altitude platform stations (HAPS) have attracted much attention as a leading candidate for the coverage extension. In the service link communication, system capacity can be increased by the multiuser MIMO techniques using a conventional planar array antenna with a large number of elements. However, the area covered by the planar array is limited to the circle whose radius is only tens of kilometers. This paper proposes a cylindrical massive MIMO (mMIMO) system for achieving ultra-wide coverage such as 100 km as well as high system capacity. Assuming the area radius of 100 km, simulation results show that the proposed system improves signal-to-interference-plus-noise ratio by around 9~dB at the boundary of the area, and it achieves 1.3 to 1.6 times as high capacity as the conventional mMIMO with the planar array. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | high-altitude platform station (HAPS) / massive MIMO / cylindrical array antenna / service link / 6G / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 204, RCS2020-105, pp. 69-74, Oct. 2020. | |
| Paper # | RCS2020-105 | |
| Date of Issue | 2020-10-15 (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 | RCS2020-105 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2020-10-22 - 2020-10-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Communication Schemes, Wireless Communication Systems, Wireless Standards, Future Wireless Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2020-10-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Cylindrical Massive MIMO System for Ultra-Wide Coverage and High-Capacity HAPS |
| Sub Title (in English) | |
| Keyword(1) | high-altitude platform station (HAPS) |
| Keyword(2) | massive MIMO |
| Keyword(3) | cylindrical array antenna |
| Keyword(4) | service link |
| Keyword(5) | 6G |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Koji Tashiro |
| 1st Author's Affiliation | SoftBank Corp. (SoftBank) |
| 2nd Author's Name | Kenji Hoshino |
| 2nd Author's Affiliation | SoftBank Corp. (SoftBank) |
| 3rd Author's Name | Atsushi Nagate |
| 3rd Author's Affiliation | SoftBank Corp. (SoftBank) |
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| Speaker | Author-1 |
| Date Time | 2020-10-23 11:15:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2020-105 |
| Volume (vol) | vol.120 |
| Number (no) | no.204 |
| Page | pp.69-74 |
| #Pages | 6 |
| Date of Issue | 2020-10-15 (RCS) |
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