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| Presentation | 2021-11-10 15:55 A study on Down Link Transmit Interference Canceller for MIMO when HAPS and Cellular Mobile share a frequency. Ryuki Yanagawa, Teruya Fujii (Tokyo Tech)  RCS2021-153 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In mobile communication systems, HAPS (High-Altitude Platform System), which flies at an altitude of about 20 km and uses the same frequency as that of the ground as a communication base station, is expected to be a technology to provide a stable communication environment. In the HAPS configuration using the same frequency, interference from the HAPS to the terrestrial cellular system is an issue, and interference mitigation technology is essential to improve the interference. In this paper, we propose a "network-coupled transmission interference canceller" in which HAPS cells and macrocells cooperate with each other to cancel HAPS cell signals simultaneously. In general, there is a limit to the transmission power of a macrocell. Therefore, we propose a transmission interference canceller technique that takes into account the maximum transmission power of the cancellation signal of each macrocell, and evaluate the effectiveness of its application. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | HAPS / mobile communication / coordinated control network / downlink / frequency sharing / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 234, RCS2021-153, pp. 52-57, Nov. 2021. | |
| Paper # | RCS2021-153 | |
| Date of Issue | 2021-11-03 (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 | RCS2021-153 |
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| Conference Information | |
| Committee | AP RCS |
| Conference Date | 2021-11-10 - 2021-11-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | NBC-Bekkan (Nagasaki) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2021-11-AP-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on Down Link Transmit Interference Canceller for MIMO when HAPS and Cellular Mobile share a frequency. |
| Sub Title (in English) | |
| Keyword(1) | HAPS |
| Keyword(2) | mobile communication |
| Keyword(3) | coordinated control network |
| Keyword(4) | downlink |
| Keyword(5) | frequency sharing |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryuki Yanagawa |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
| 2nd Author's Name | Teruya Fujii |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech) |
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| Speaker | Author-1 |
| Date Time | 2021-11-10 15:55:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2021-153 |
| Volume (vol) | vol.121 |
| Number (no) | no.234 |
| Page | pp.52-57 |
| #Pages | 6 |
| Date of Issue | 2021-11-03 (RCS) |
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