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Paper Abstract and Keywords
Presentation 2015-10-07 16:20
A Proposal of Beaconless Ground to Satellite Laser Communication System by Using GPS Information
Keiichi Yano (SIT), Yoshihisa Takayama (Tokai Univ.), Hiroo Kunimori (NICT), Koichi Gyoda (SIT) SAT2015-33
Abstract (in Japanese) (See Japanese page) 
(in English) In a space laser communication between a ground station and a satellite, a beacon laser had been used in acquisition of the position of the ground station for the satellite in addition to a laser for communication. We propose a new approach in which the GPS information is used for initial acquisition of the position of ground station instead of the beacon laser. To implement this approach, the satellite’s pointing error toward the ground station should be estimated when the information of GPS is used instead of using beacon laser. From the results, when the GPS information is used, we confirm that the satellite can point at the ground station by the same accuracy with the case of using beacon laser. Then, a laser divergence angle by considering the estimated error margin is calculated to irradiate the ground station sufficiently. Furthermore, the possibility of the beacon-less space laser communication system between ground and satellite is examined by calculating the beam wander effect and the point-ahead angle of light in laser downlink from the satellite to ground.
Keyword (in Japanese) (See Japanese page) 
(in English) Satellite communication / Initial aqcuire / atmospheric turbulence / GPS / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 241, SAT2015-33, pp. 81-85, Oct. 2015.
Paper # SAT2015-33 
Date of Issue 2015-09-30 (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 SAT2015-33

Conference Information
Committee SAT  
Conference Date 2015-10-07 - 2015-10-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka University Nakanoshima Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications, etc. (JC-SAT 2015) 
Paper Information
Registration To SAT 
Conference Code 2015-10-SAT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Proposal of Beaconless Ground to Satellite Laser Communication System by Using GPS Information 
Sub Title (in English)  
Keyword(1) Satellite communication  
Keyword(2) Initial aqcuire  
Keyword(3) atmospheric turbulence  
Keyword(4) GPS  
1st Author's Name Keiichi Yano  
1st Author's Affiliation Shibaura Institute of Technology (SIT)
2nd Author's Name Yoshihisa Takayama  
2nd Author's Affiliation Tokai University (Tokai Univ.)
3rd Author's Name Hiroo Kunimori  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Koichi Gyoda  
4th Author's Affiliation Shibaura Institute of Technology (SIT)
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Date Time 2015-10-07 16:20:00 
Presentation Time 25 
Registration for SAT 
Paper # IEICE-SAT2015-33 
Volume (vol) IEICE-115 
Number (no) no.241 
Page pp.81-85 
#Pages IEICE-5 
Date of Issue IEICE-SAT-2015-09-30 

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