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Paper Abstract and Keywords
Presentation 2019-11-21 11:45
A Study on MIMO Interference Canceller for Reverse Link in HAPS Multipe Gateways System
Takafumi Fujii, Yoshichika Ohta (HAPSMobile) RCS2019-219
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 propose a new transmission in-terference canceller technology for the reverse link from HAPS to the ground of multi-GW system, and clarify the improvement effect of communication quality.
Keyword (in Japanese) (See Japanese page) 
(in English) High Altitude Platform / MIMO / Interference canceller / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 296, RCS2019-219, pp. 97-102, Nov. 2019.
Paper # RCS2019-219 
Date of Issue 2019-11-13 (RCS) 
ISSN Online edition: ISSN 2432-6380
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 RCS2019-219

Conference Information
Committee AP RCS  
Conference Date 2019-11-20 - 2019-11-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga Univ. 
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 2019-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on MIMO Interference Canceller for Reverse Link in HAPS Multipe Gateways System 
Sub Title (in English)  
Keyword(1) High Altitude Platform  
Keyword(2) MIMO  
Keyword(3) Interference canceller  
1st Author's Name Takafumi Fujii  
1st Author's Affiliation HAPSMobile Inc. (HAPSMobile)
2nd Author's Name Yoshichika Ohta  
2nd Author's Affiliation HAPSMobile Inc. (HAPSMobile)
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Speaker Author-1 
Date Time 2019-11-21 11:45:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2019-219 
Volume (vol) vol.119 
Number (no) no.296 
Page pp.97-102 
Date of Issue 2019-11-13 (RCS) 

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