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Paper Abstract and Keywords
Presentation 2015-02-18 14:20
Improved accuracy frequency offset estimation for a poly-polarization multiplexing system
Julian Webber, Masanori Yofune, Kazuto Yano, Naoya Kukutsu, Tomoaki Kumagai (ATR) SAT2014-55
Abstract (in Japanese) (See Japanese page) 
(in English) The current generation of frequency offset estimators for satellite communications generally require significant frame averaging to achieve sufficient estimation performance particularly with the efficient short unique word (UW) lengths. However this requirement can be significantly reduced by distributing the UW symbols throughout the frame, and in this paper, we compare the offset estimation performances of the L&R and Fitz algorithms with application to a poly-polarization multiplexing (PPM) system. Although in general increasing the UW separation reduces the offset range, we demonstrate in this paper that the performance benefits from UW separation allow the correlation length to be reduced which compensates for this reduced offset range. By using these techniques, we show that the performance of the estimator with short UW length of 32 symbols is able to achieve the same performance as the estimator with long UW length 256 symbols assuming a 28 kHz offset. Finally, a technique to select an optimized value of the frame averaging size is described.
Keyword (in Japanese) (See Japanese page) 
(in English) satellite communications / polarization multiplexing / frequency offset estimation / offset range / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 449, SAT2014-55, pp. 25-30, Feb. 2015.
Paper # SAT2014-55 
Date of Issue 2015-02-11 (SAT) 
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)
Download PDF SAT2014-55

Conference Information
Committee SANE SAT  
Conference Date 2015-02-18 - 2015-02-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawaken Shichoson Jichikaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite application and general 
Paper Information
Registration To SAT 
Conference Code 2015-02-SANE-SAT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improved accuracy frequency offset estimation for a poly-polarization multiplexing system 
Sub Title (in English)  
Keyword(1) satellite communications  
Keyword(2) polarization multiplexing  
Keyword(3) frequency offset estimation  
Keyword(4) offset range  
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1st Author's Name Julian Webber  
1st Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
2nd Author's Name Masanori Yofune  
2nd Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
3rd Author's Name Kazuto Yano  
3rd Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
4th Author's Name Naoya Kukutsu  
4th Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
5th Author's Name Tomoaki Kumagai  
5th Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
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Speaker Author-1 
Date Time 2015-02-18 14:20:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2014-55 
Volume (vol) vol.114 
Number (no) no.449 
Page pp.25-30 
#Pages 6 
Date of Issue 2015-02-11 (SAT) 

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