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Paper Abstract and Keywords
Presentation 2011-11-16 11:00
Navigation message decoding for GPS on spinning rockets
Ken Harima (Tokyo Univ.), Hirobumi Saito (JAXA), Takuji Ebinuma (Tokyo Univ.) RCS2011-193
Abstract (in Japanese) (See Japanese page) 
(in English) We are developing a GPS receiver for operating onboard rockets with the next generation solid fuel rocket been developed at JAXA in mind. For such large fast spinning rockets phase tracking of the GPS carrier becomes difficult, so the use of frequency only has been suggested for carrier tracking. This in turn implies that the PSK modulated navigation message must demodulated as a DPSK signal in a non-coherent fashion. However, if a non-coherent demodulation is used one erroneous demodulation leads to a long string of consecutive errors in the navigation message. In this paper we calculate the error probability on the decoding of the navigation message under these conditions and present ways to improve error rates.
Keyword (in Japanese) (See Japanese page) 
(in English) GPS receiver / rocket-borne / spin motion / GPS message decoding / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 289, RCS2011-193, pp. 25-30, Nov. 2011.
Paper # RCS2011-193 
Date of Issue 2011-11-09 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 RCS2011-193

Conference Information
Committee AP RCS  
Conference Date 2011-11-16 - 2011-11-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Congress Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceller, MIMO, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2011-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Navigation message decoding for GPS on spinning rockets 
Sub Title (in English)  
Keyword(1) GPS receiver  
Keyword(2) rocket-borne  
Keyword(3) spin motion  
Keyword(4) GPS message decoding  
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1st Author's Name Ken Harima  
1st Author's Affiliation University of Tokyo (Tokyo Univ.)
2nd Author's Name Hirobumi Saito  
2nd Author's Affiliation Japan Aerspace Exploration Agency (JAXA)
3rd Author's Name Takuji Ebinuma  
3rd Author's Affiliation University of Tokyo (Tokyo Univ.)
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Speaker Author-1 
Date Time 2011-11-16 11:00:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2011-193 
Volume (vol) vol.111 
Number (no) no.289 
Page pp.25-30 
#Pages
Date of Issue 2011-11-09 (RCS) 


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