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Paper Abstract and Keywords
Presentation 2012-07-27 13:50
Evaluation of the Power Level of LEX Signal from QZSS
Kiyoshi Yajima, Hiroaki Maeda (LHTC) SANE2012-43
Abstract (in Japanese) (See Japanese page) 
(in English) LEX signal, an augmentation signal in the 1278.75 MHz band (E6) broadcasted from Quasi-Zenith Satellite System (QZSS), is anticipated to realize fine positioning up to a centimeter level. In this paper, an experiment of receiving and decoding LEX signal using an originally developed real-time software defined LEX receiver with 3 types of antenna is being reported. Based on the results of the experiment, relation between C/N0 to QZSS elevation angle is also considered. Following the experiment, analytical study has been done concerning the power level of the LEX signal. Based on the characteristics of Rayleigh and Rician distribution, Critical C/N0 to cause a frame error has been calculated. The result of the analysis was confirmed to be consistent compared to the result of the experiment.
Keyword (in Japanese) (See Japanese page) 
(in English) QZSS / LEX signal / Software defined receiver / Power level evaluation / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 162, SANE2012-43, pp. 13-18, July 2012.
Paper # SANE2012-43 
Date of Issue 2012-07-20 (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)
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Conference Information
Committee SANE  
Conference Date 2012-07-27 - 2012-07-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Navigation, trafic control and general 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SANE 
Conference Code 2012-07-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of the Power Level of LEX Signal from QZSS 
Sub Title (in English)  
Keyword(1) QZSS  
Keyword(2) LEX signal  
Keyword(3) Software defined receiver  
Keyword(4) Power level evaluation  
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1st Author's Name Kiyoshi Yajima  
1st Author's Affiliation Lighthouse Technology and Consulting Co. (LHTC)
2nd Author's Name Hiroaki Maeda  
2nd Author's Affiliation Lighthouse Technology and Consulting Co. (LHTC)
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Speaker Author-1 
Date Time 2012-07-27 13:50:00 
Presentation Time 25 minutes 
Registration for SANE 
Paper # SANE2012-43 
Volume (vol) vol.112 
Number (no) no.162 
Page pp.13-18 
#Pages 6 
Date of Issue 2012-07-20 (SANE) 

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