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| Presentation | 2007-04-17 14:50 Low-Earth Orbit Satellite Positioning System With Remotely Controlled On-Board Clocks Fabrizio Tappero, Andrew Dempster (Univ. of New South Wales), Toshiaki Iwata (AIST), Paolo Tortora (Univ. of Bologna)  SANE2007-28 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In the present work a new concept of global navigation satellite system, which does not require on-board atomic references, is presented. This novel concept consists of a constellation of compact low-Earth orbit positioning satellites that are equipped with on-board steerable clocks, i.e. voltage controlled crystal oscillator (VCXO). An appropriate ground-satellite synchronization network is responsible for keeping in lock step clocks on-board visible satellites with a master atomic reference located on the ground. Regional/local clock synchronization, low-weight satellites and low manufacturing cost are some of the peculiar aspects of this novel system. Key issues such as number and spatial location of required synchronization stations, clock de-synchronization issues and positioning accuracy are extensively discussed. A software simulator specifically developed for studying its feasibility is also presented together with a plan to develop a micro-satellite payload to demonstrate the feasibility of such system. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | GNSS / LEO / Synchronization / Atomic Clock / Time Keeping System / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 2, SANE2007-28, pp. 145-150, April 2007. | |
| Paper # | SANE2007-28 | |
| Date of Issue | 2007-04-09 (SANE) | |
| ISSN | Print edition: ISSN 0913-5685 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 | SANE2007-28 |
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| Conference Information | |
| Committee | SANE |
| Conference Date | 2007-04-16 - 2007-04-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | ARRC(Perth) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Joint workshop WSANE2007 |
| Paper Information | |
| Registration To | SANE |
| Conference Code | 2007-04-SANE |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Low-Earth Orbit Satellite Positioning System With Remotely Controlled On-Board Clocks |
| Sub Title (in English) | |
| Keyword(1) | GNSS |
| Keyword(2) | LEO |
| Keyword(3) | Synchronization |
| Keyword(4) | Atomic Clock |
| Keyword(5) | Time Keeping System |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Fabrizio Tappero |
| 1st Author's Affiliation | University of New South Wales (Univ. of New South Wales) |
| 2nd Author's Name | Andrew Dempster |
| 2nd Author's Affiliation | University of New South Wales (Univ. of New South Wales) |
| 3rd Author's Name | Toshiaki Iwata |
| 3rd Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
| 4th Author's Name | Paolo Tortora |
| 4th Author's Affiliation | University of Bologna (Univ. of Bologna) |
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| Speaker | Author-1 |
| Date Time | 2007-04-17 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | SANE |
| Paper # | SANE2007-28 |
| Volume (vol) | vol.107 |
| Number (no) | no.2 |
| Page | pp.145-150 |
| #Pages | 6 |
| Date of Issue | 2007-04-09 (SANE) |
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