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Paper Abstract and Keywords
Presentation 2021-03-05 09:25
Blind Estimation of Carrier Frequency Offset and Symbol Time Offset using WFrFT
Toshifumi Kojima, Kouji Ohuchi (Shizuoka Univ.) IT2020-138 ISEC2020-68 WBS2020-57
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we present a blind estimation method to detect carrier frequency offset (CFO) and symbol time offset (STO) without a training symbol. In the past, blind CFO estimation methods using Cyclic Prefix (CP) and Discrete Cosine Transform (DCT) have been considered. However, the accuracy of these methods significantly depends on the range of CFO and the presence of STO. We propose a blind estimation method that dose not depend on these using Weighted Fractional Fourier Transform (WFrFT). We show that the proposed method has a good performance that does not depend on CFO and STO, compared to the conventional methods. Especially Mean Square Error (MSE) of the estimated value is reduced to less than 1/10. In addition, we show that the proposed method enables us to estimate STO, which is not possible with the conventional methods.
Keyword (in Japanese) (See Japanese page) 
(in English) CFO / STO / Blind estimation / WFrFT / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 412, WBS2020-57, pp. 160-165, March 2021.
Paper # WBS2020-57 
Date of Issue 2021-02-25 (IT, ISEC, WBS) 
ISSN 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 IT2020-138 ISEC2020-68 WBS2020-57

Conference Information
Committee WBS IT ISEC  
Conference Date 2021-03-04 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Joint Meeting of WBS, IT, and ISEC 
Paper Information
Registration To WBS 
Conference Code 2021-03-WBS-IT-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Blind Estimation of Carrier Frequency Offset and Symbol Time Offset using WFrFT 
Sub Title (in English)  
Keyword(1) CFO  
Keyword(2) STO  
Keyword(3) Blind estimation  
Keyword(4) WFrFT  
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1st Author's Name Toshifumi Kojima  
1st Author's Affiliation Shizuoka University (Shizuoka Univ.)
2nd Author's Name Kouji Ohuchi  
2nd Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Speaker Author-1 
Date Time 2021-03-05 09:25:00 
Presentation Time 25 minutes 
Registration for WBS 
Paper # IT2020-138, ISEC2020-68, WBS2020-57 
Volume (vol) vol.120 
Number (no) no.410(IT), no.411(ISEC), no.412(WBS) 
Page pp.160-165 
#Pages 6 
Date of Issue 2021-02-25 (IT, ISEC, WBS) 

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