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Paper Abstract and Keywords
Presentation 2014-03-10 10:10
Effect of IQ Imbalance on Channel Shortening in OFDM System
Xi Zhang, Teruyuki Miyajima (Ibaraki Univ) IT2013-61 ISEC2013-90 WBS2013-50
Abstract (in Japanese) (See Japanese page) 
(in English) In OFDM systems, channel shortening techniques are useful to overcome inter-block interference caused by the delayed waves that exceed cyclic prefix length.
In direct conversion receivers, IQ imbalance in analog circuits cause serious performance degradation.
In this article, we discuss the impact of both frequency-independent and frequency-selective IQ imbalances on the interference suppression capability of a channel shortening method.
It is shown through both theory and simulations that the channel shortening method can suppress inter-block interference perfectly even in the presence of IQ imbalances.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM / Inter-Block Interference / MERRY algorithm / IQ imbalance / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 485, WBS2013-50, pp. 49-54, March 2014.
Paper # WBS2013-50 
Date of Issue 2014-03-03 (IT, ISEC, WBS) 
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 IT2013-61 ISEC2013-90 WBS2013-50

Conference Information
Committee ISEC IT WBS  
Conference Date 2014-03-10 - 2014-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Univ., Higashiyama Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) joint meeting of IT, ISEC, and WBS 
Paper Information
Registration To WBS 
Conference Code 2014-03-ISEC-IT-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of IQ Imbalance on Channel Shortening in OFDM System 
Sub Title (in English)  
Keyword(1) OFDM  
Keyword(2) Inter-Block Interference  
Keyword(3) MERRY algorithm  
Keyword(4) IQ imbalance  
1st Author's Name Xi Zhang  
1st Author's Affiliation Ibaraki University (Ibaraki Univ)
2nd Author's Name Teruyuki Miyajima  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ)
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Date Time 2014-03-10 10:10:00 
Presentation Time 25 
Registration for WBS 
Paper # IEICE-IT2013-61,IEICE-ISEC2013-90,IEICE-WBS2013-50 
Volume (vol) IEICE-113 
Number (no) no.483(IT), no.484(ISEC), no.485(WBS) 
Page pp.49-54 
#Pages IEICE-6 
Date of Issue IEICE-IT-2014-03-03,IEICE-ISEC-2014-03-03,IEICE-WBS-2014-03-03 

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