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Paper Abstract and Keywords
Presentation 2019-05-31 10:00
[Technology Exhibit] QZSS short message SS-CDMA communication system -- Evaluation of transmitting timing control error --
Hiroshi Oguma, Rei Kawai, Takumi Shimada (NIT, Toyama), Takeshi Asai (Next-Dimension), Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2019-12
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed Spread Spectrum Code Division Multiple Access (SS-CDMA) short message communication
using Quasi-Zenith Satellite System (QZSS) for safety confirmation system at the time of large disaster. The proposed system
controls the transmission timing using highly accurate time and position information obtained from the QZSS. In order to
realize the proposed system, we evaluate the time synchronization accuracy. In this paper, the architecture result of a transmitting
timing control system is described, and the transmitting timing control error is evaluated. As a result of evaluating t transmitting
timing control error, the clock-frequency errors needed are less than 5 ppm. It is found that sufficient timing control accuracy for
proposal system implementation is obtainable.
Keyword (in Japanese) (See Japanese page) 
(in English) Satellite Communication / Quasi-Zenith Satellite System (QZSS) / Global Positioning System (GPS) / Spread Spectrum (SS) / Code-Division Multiple-Access (CDMA) / Field Programmable Gate Array (FPGA) / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 62, SR2019-12, pp. 71-77, May 2019.
Paper # SR2019-12 
Date of Issue 2019-05-23 (SR) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SR2019-12

Conference Information
Committee SR  
Conference Date 2019-05-30 - 2019-05-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Big Sight 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Technical Exhibition, LPWA, General 
Paper Information
Registration To SR 
Conference Code 2019-05-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) QZSS short message SS-CDMA communication system 
Sub Title (in English) Evaluation of transmitting timing control error 
Keyword(1) Satellite Communication  
Keyword(2) Quasi-Zenith Satellite System (QZSS)  
Keyword(3) Global Positioning System (GPS)  
Keyword(4) Spread Spectrum (SS)  
Keyword(5) Code-Division Multiple-Access (CDMA)  
Keyword(6) Field Programmable Gate Array (FPGA)  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroshi Oguma  
1st Author's Affiliation NIT, Toyama (NIT, Toyama)
2nd Author's Name Rei Kawai  
2nd Author's Affiliation NIT, Toyama (NIT, Toyama)
3rd Author's Name Takumi Shimada  
3rd Author's Affiliation NIT, Toyama (NIT, Toyama)
4th Author's Name Takeshi Asai  
4th Author's Affiliation Next-Dimension Co. Ltd (Next-Dimension)
5th Author's Name Mizuki Motoyoshi  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
6th Author's Name Suguru Kameda  
6th Author's Affiliation Tohoku University (Tohoku Univ.)
7th Author's Name Noriharu Suematsu  
7th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker
Date Time 2019-05-31 10:00:00 
Presentation Time 420 
Registration for SR 
Paper # IEICE-SR2019-12 
Volume (vol) IEICE-119 
Number (no) no.62 
Page pp.71-77 
#Pages IEICE-7 
Date of Issue IEICE-SR-2019-05-23 


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