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Paper Abstract and Keywords
Presentation 2016-07-21 14:50
Ultra-high Performance Satellite AIS Utilizing Ground-based DBF for Marine Traffic Density Area in the Sea around Japan
Daichi Hirahara (JAXA) SAT2016-19
Abstract (in Japanese) (See Japanese page) 
(in English) Space-based AIS is presented as a promising solution to overcome the coverage limitation of ground stations with the potential to provide AIS detection service coverage in any given area on the Earth. In Japan, The Japan Aerospace Exploration Agency (JAXA) launched the second satellite AIS system (SPAISE2 : SPace based AIS Experiment 2nd) mounted on DAICHI-2 (ALOS-2 : Advanced Land Observing Satellite-2) in 2014. The probability of slot collision increases of space-based AIS in the sea around Japan has long become an issue, preventing the realization of practical systems in the marine traffic density area. By space-based AIS and ground-based digital beam forming (DBF), this paper proposes the concept of ultra-high performance satellite AIS to solve the slot collision problem in the blind zone. Simulation results show an improvement of more than 10 times in terms of the detection of ships compared to the operating SPAISEs.
Keyword (in Japanese) (See Japanese page) 
(in English) space-based AIS / SPace based AIS Experiment / SPAISE / Marine Traffic Density Area / ground-based DBF / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 144, SAT2016-19, pp. 45-50, July 2016.
Paper # SAT2016-19 
Date of Issue 2016-07-14 (SAT) 
ISSN Print edition: ISSN 0913-5685  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 SAT2016-19

Conference Information
Committee AP SAT SANE  
Conference Date 2016-07-20 - 2016-07-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Otaru port marina 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Remote sensing, Radio propagation, Antennas and Propagation, Sattelite Communication 
Paper Information
Registration To SAT 
Conference Code 2016-07-AP-SAT-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Ultra-high Performance Satellite AIS Utilizing Ground-based DBF for Marine Traffic Density Area in the Sea around Japan 
Sub Title (in English)  
Keyword(1) space-based AIS  
Keyword(2) SPace based AIS Experiment  
Keyword(3) SPAISE  
Keyword(4) Marine Traffic Density Area  
Keyword(5) ground-based DBF  
1st Author's Name Daichi Hirahara  
1st Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
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Date Time 2016-07-21 14:50:00 
Presentation Time 25 
Registration for SAT 
Paper # IEICE-SAT2016-19 
Volume (vol) IEICE-116 
Number (no) no.144 
Page pp.45-50 
#Pages IEICE-6 
Date of Issue IEICE-SAT-2016-07-14 

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