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Paper Abstract and Keywords
Presentation 2013-12-20 11:15
Channel Estimation Scheme for QZSS Short Message Communication SS-CDMA
Akinori Taira, Yuji Miyake, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) NS2013-153 RCS2013-245
Abstract (in Japanese) (See Japanese page) 
(in English) Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way communication which includes the terminal location and short messages. In this paper, channel estimation schemes for SS-CDMA system are evaluated. SS-CDMA realizes the direct access from terminals to the satellite and many users simultaneous transmission using large spreading factor SS-codes. So, high accurate and high efficient pilot multiplexing method is desired. The performance of delay detection, time division multiplexing (TDM) pilot and code division multiplexing (CDM) pilot have been evaluated in AWGN channel with computer simulation. We show the trade-off among the number of multiplexing user, SNR and expected maximum frequency offset. Additionally, we reveal that the influence of phase noise is less than 1.0 dB $E_b/N_0$ degradation.
Keyword (in Japanese) (See Japanese page) 
(in English) Quasi-Zenith Satellite System (QZSS) / satellite communication / Global Positioning System (GPS) / Spread Spectrum Code Division Multiple Access (SS-CDMA) / channel estimation / phase noise / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 361, RCS2013-245, pp. 225-230, Dec. 2013.
Paper # RCS2013-245 
Date of Issue 2013-12-11 (RCS), 2013-12-12 (NS) 
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 NS2013-153 RCS2013-245

Conference Information
Committee RCS NS  
Conference Date 2013-12-18 - 2013-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Sunport Hall Takamatsu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network 
Paper Information
Registration To RCS 
Conference Code 2013-12-RCS-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Channel Estimation Scheme for QZSS Short Message Communication SS-CDMA 
Sub Title (in English)  
Keyword(1) Quasi-Zenith Satellite System (QZSS)  
Keyword(2) satellite communication  
Keyword(3) Global Positioning System (GPS)  
Keyword(4) Spread Spectrum Code Division Multiple Access (SS-CDMA)  
Keyword(5) channel estimation  
Keyword(6) phase noise  
1st Author's Name Akinori Taira  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Yuji Miyake  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Suguru Kameda  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Noriharu Suematsu  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Tadashi Takagi  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
6th Author's Name Kazuo Tsubouchi  
6th Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2013-12-20 11:15:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-NS2013-153,IEICE-RCS2013-245 
Volume (vol) IEICE-113 
Number (no) no.360(NS), no.361(RCS) 
Page pp.107-112(NS), pp.225-230(RCS) 
#Pages IEICE-6 
Date of Issue IEICE-NS-2013-12-12,IEICE-RCS-2013-12-11 

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