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Paper Abstract and Keywords
Presentation 2011-01-20 11:20
RTL Design of Joint CFO and IQ-Imbalance Compensator for Narrow-Band Wireless System
Takuro Yoshida, Daisuke Nojima, Yuhei Nagao, Masayuki Kurosaki, Hiroshi Ochi (Kyusyu Inst. of Tech.) SIP2010-77 RCS2010-207
Abstract (in Japanese) (See Japanese page) 
(in English) In direct conversion receiver, I/Q imbalance is caused by non orthogonality between in-phase component and quadrature-phase component caused by imperfections of quadrature demodulator. In addition, carrier frequency offset (CFO) occurs as well.
In this paper, we present a register transfer level (RTL) design of joint CFO and I/Q imbalance compensator.
First, we verify the efficiency of compensation algorithm with computer simulation, and then we show a bit error rate (BER) characteristic. After that, we made an RTL design to compensate CFO and I/Q imbalance. We also measure the efficiency of system in this step by looking at constellation of received signal. Finally, we implement the RTL design of compensation system in a field programmable gate array (FPGA). We show the effect of compensation system by simulation on RTL and verification on FPGA.
Keyword (in Japanese) (See Japanese page) 
(in English) $\pi$ /4DQPSK / ARIB STD-T61 / Direct Conversion / IQ-Imbalance / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 369, RCS2010-207, pp. 49-54, Jan. 2011.
Paper # RCS2010-207 
Date of Issue 2011-01-13 (SIP, RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 SIP2010-77 RCS2010-207

Conference Information
Committee SIP RCS  
Conference Date 2011-01-20 - 2011-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2011-01-SIP-RCS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) RTL Design of Joint CFO and IQ-Imbalance Compensator for Narrow-Band Wireless System 
Sub Title (in English)  
Keyword(1) $\pi$ /4DQPSK  
Keyword(2) ARIB STD-T61  
Keyword(3) Direct Conversion  
Keyword(4) IQ-Imbalance  
Keyword(5)  
Keyword(6)  
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1st Author's Name Takuro Yoshida  
1st Author's Affiliation Kyusyu Institute of Technology of Technology (Kyusyu Inst. of Tech.)
2nd Author's Name Daisuke Nojima  
2nd Author's Affiliation Kyusyu Institute of Technology of Technology (Kyusyu Inst. of Tech.)
3rd Author's Name Yuhei Nagao  
3rd Author's Affiliation Kyusyu Institute of Technology of Technology (Kyusyu Inst. of Tech.)
4th Author's Name Masayuki Kurosaki  
4th Author's Affiliation Kyusyu Institute of Technology of Technology (Kyusyu Inst. of Tech.)
5th Author's Name Hiroshi Ochi  
5th Author's Affiliation Kyusyu Institute of Technology of Technology (Kyusyu Inst. of Tech.)
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Speaker Author-1 
Date Time 2011-01-20 11:20:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # SIP2010-77, RCS2010-207 
Volume (vol) vol.110 
Number (no) no.368(SIP), no.369(RCS) 
Page pp.49-54 
#Pages 6 
Date of Issue 2011-01-13 (SIP, RCS) 

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