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| Presentation | 2021-11-10 13:30 [Invited Lecture] A Study on Interference Canceller for HAPS Feeder Links with Multi-Gateways under Multiple-Path Environment Takafumi Fujii, Yoshichika ohta (Softbank.corp)  AP2021-101 RCS2021-148 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | HAPS (High Altitude Platform Station), which is a stratosphere platform around 20Km altitude, cellular communication service makes it possible to directly communicate among ordinary land cellular phones. HAPS is also a promising system for service area expansions as well as reliable communication methods at various natural disasters. HAPS communication system is composed of service links which provide communications between HAPS and land cellular phones and a feeder link which establishes a communication between HAPS and a base station (Gateway). The authors proposed a “Multi-Gateway System” that performs spatial multiplexing at the same frequency for effectively use the frequency of the feeder link. It was shown that the communication quality can be greatly improved by applying interference canceller technology to the forward link from ground to HAPS. In this paper, we evaluate this interference canceller under multiple-path environment, and clarify the improvement effect of communication quality. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | High Altitude Platform Station / MIMO / Interference canceller / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 233, AP2021-101, pp. 3-9, Nov. 2021. | |
| Paper # | AP2021-101 | |
| Date of Issue | 2021-11-03 (AP, 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 | AP2021-101 RCS2021-148 |
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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 | AP |
| 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 Interference Canceller for HAPS Feeder Links with Multi-Gateways under Multiple-Path Environment |
| Sub Title (in English) | |
| Keyword(1) | High Altitude Platform Station |
| Keyword(2) | MIMO |
| Keyword(3) | Interference canceller |
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| 1st Author's Name | Takafumi Fujii |
| 1st Author's Affiliation | Softbank.corp (Softbank.corp) |
| 2nd Author's Name | Yoshichika ohta |
| 2nd Author's Affiliation | Softbank.corp (Softbank.corp) |
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| Speaker | Author-1 |
| Date Time | 2021-11-10 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2021-101, RCS2021-148 |
| Volume (vol) | vol.121 |
| Number (no) | no.233(AP), no.234(RCS) |
| Page | pp.3-9(AP), pp.21-27(RCS) |
| #Pages | 7 |
| Date of Issue | 2021-11-03 (AP, RCS) |
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