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Paper Abstract and Keywords
Presentation 2014-10-27 13:00
Blind symbol synchronization scheme for preambleless OFDM systems based on cyclic prefixes in multipath channels
Wen-jian Wang, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.) SRW2014-28
Abstract (in Japanese) (See Japanese page) 
(in English) Symbol timing offset (STO) can cause phase offset (FO),inter-symbol interference (ISI) and inter-channel interference (ICI) according to different starting point of Fast Fourier Transform (FFT) window in the receiver. To eliminate the impairs of ISI and ICI as much as possible,precise symbol timing synchronization must be carried out. In this paper, a novel symbol timing synchronization algorithm is proposed for orthogonal frequency division multiplexing (OFDM) systems on the basis
of cyclic prefix (CP). A metric function and a positioning function have
been designed by taking advantage of the correlation properties of OFDM
signals. Computer simulations demonstrate that the schemes are superior
because it achieves accurate timing offset estimation with smaller standard deviation (SD) and relatively lower computational complexity compared with the existing methods based on CP under high signal-noise ratio (SNR)assumption over frequency-selective channels.
Keyword (in Japanese) (See Japanese page) 
(in English) frequency-selective channels / preambleless OFDM / symbol timing offset / symbol timing synchronization / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 279, SRW2014-28, pp. 19-24, Oct. 2014.
Paper # SRW2014-28 
Date of Issue 2014-10-20 (SRW) 
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 SRW2014-28

Conference Information
Committee SRW  
Conference Date 2014-10-27 - 2014-10-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network,MAC,sensor,etc. 
Paper Information
Registration To SRW 
Conference Code 2014-10-SRW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Blind symbol synchronization scheme for preambleless OFDM systems based on cyclic prefixes in multipath channels 
Sub Title (in English)  
Keyword(1) frequency-selective channels  
Keyword(2) preambleless OFDM  
Keyword(3) symbol timing offset  
Keyword(4) symbol timing synchronization  
1st Author's Name Wen-jian Wang  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Chang-Jun Ahn  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Tatsuya Omori  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Ken-ya Hashimoto  
4th Author's Affiliation Chiba University (Chiba Univ.)
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Date Time 2014-10-27 13:00:00 
Presentation Time 25 
Registration for SRW 
Paper # IEICE-SRW2014-28 
Volume (vol) IEICE-114 
Number (no) no.279 
Page pp.19-24 
#Pages IEICE-6 
Date of Issue IEICE-SRW-2014-10-20 

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