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Paper Abstract and Keywords
Presentation 2008-01-25 11:20
A Deterministic Cancellation Matrix Estimation Scheme in Heterodyne Multimode Receivers
Daisuke Hayashi, Satoshi Denno (Kyoto Univ.), Tatsuo Furuno (NTT DoCoMo), Masahiro Morikura (Kyoto Univ.) SIP2007-167 RCS2007-170
Abstract (in Japanese) (See Japanese page) 
(in English) When we realize multimode receivers using heterodyne reception, the image-band interference arises and deteriorates transmission performance significantly because of removal of radio frequency filters. Therefore, cancellation methods using Hilbert transform have been proposed, however, this method cannot remove the interference completely because of imperfectness of the Hilbert transformer. Then, in this report, we propose a scheme to cancel imperfectness of the transformer with cancellation matrix in intermediate frequency. In this scheme, we use downconverion not only to receive the desired signal but also the image-band signal and estimate the cancellation matrix using correlation matrix of these two signals. We describe that this scheme has superior estimation and cancellation performance.
Keyword (in Japanese) (See Japanese page) 
(in English) Heterodyne / Multimode Receivers / Image-band Interference / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 441, RCS2007-170, pp. 55-60, Jan. 2008.
Paper # RCS2007-170 
Date of Issue 2008-01-18 (SIP, RCS) 
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 SIP2007-167 RCS2007-170

Conference Information
Committee RCS SIP  
Conference Date 2008-01-24 - 2008-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima City Uni. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2008-01-RCS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Deterministic Cancellation Matrix Estimation Scheme in Heterodyne Multimode Receivers 
Sub Title (in English)  
Keyword(1) Heterodyne  
Keyword(2) Multimode Receivers  
Keyword(3) Image-band Interference  
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1st Author's Name Daisuke Hayashi  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Satoshi Denno  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Tatsuo Furuno  
3rd Author's Affiliation NTT DoCoMo (NTT DoCoMo)
4th Author's Name Masahiro Morikura  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2008-01-25 11:20:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # SIP2007-167, RCS2007-170 
Volume (vol) vol.107 
Number (no) no.439(SIP), no.441(RCS) 
Page pp.55-60 
#Pages 6 
Date of Issue 2008-01-18 (SIP, RCS) 

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