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Paper Abstract and Keywords
Presentation 2021-08-27 16:20
GPS Calculated Distance Error Improvement by Received Signal Power and Pseudo Range Estimations in Many Skyscrapers Environments
Koichi Saito, Takatoshi Sugiyama (Kogakuin Univ) SAT2021-37
Abstract (in Japanese) (See Japanese page) 
(in English) GPS positioning is calculated from the pseudo range calculated by the observed propagation time between GPS satellites and GPS receivers. When a reflected GPS signal is received, a longer pseudo range than the original linear distance is unfortunately calculated, so the positioning accuracy might be degraded. The pseudo range correction method that solves this problem needs to estimate the numbers of reflections and incident angles of the reflected GPS signals. In the conventional estimation using only the received GPS signals power, the estimation accuracies were insufficient. In this paper, we propose new estimation models that estimate the number of reflections and the incident angles respectively, by using not only the received GPS signal power but also the pseudo range before the correction. It is confirmed that the pseudo range correction using the proposed estimation models can improve calculated distance errors compared with the conventional estimation model.
Keyword (in Japanese) (See Japanese page) 
(in English) GPS / Pseudo range / Reflected GPS signal / Calculated distance errors / Number of reflections / Incident angles / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 152, SAT2021-37, pp. 49-54, Aug. 2021.
Paper # SAT2021-37 
Date of Issue 2021-08-19 (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 SAT2021-37

Conference Information
Committee RCS SAT  
Conference Date 2021-08-26 - 2021-08-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SAT 
Conference Code 2021-08-RCS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) GPS Calculated Distance Error Improvement by Received Signal Power and Pseudo Range Estimations in Many Skyscrapers Environments 
Sub Title (in English)  
Keyword(1) GPS  
Keyword(2) Pseudo range  
Keyword(3) Reflected GPS signal  
Keyword(4) Calculated distance errors  
Keyword(5) Number of reflections  
Keyword(6) Incident angles  
1st Author's Name Koichi Saito  
1st Author's Affiliation Kogakuin University (Kogakuin Univ)
2nd Author's Name Takatoshi Sugiyama  
2nd Author's Affiliation Kogakuin University (Kogakuin Univ)
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Date Time 2021-08-27 16:20:00 
Presentation Time 25 
Registration for SAT 
Paper # IEICE-SAT2021-37 
Volume (vol) IEICE-121 
Number (no) no.152 
Page pp.49-54 
#Pages IEICE-6 
Date of Issue IEICE-SAT-2021-08-19 

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