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Paper Abstract and Keywords
Presentation 2014-01-24 11:35
Proposal of Channel Estimation Method for OFDM Based Analogue Network Coding in Higher Time-varying Fading Channel
Tanairat Mata, Katsuhiro Naito, Kazuo Mori (Mie Univ.), Pisit Boonsrimuang (KMITL), Hideo Kobayashi (Mie Univ.) SIP2013-116 RCS2013-286
Abstract (in Japanese) (See Japanese page) 
(in English) Broadband Analog Network Coding (ANC) based on OFDM has been widely investigated to increase capacity of bi-directional relay communications. The broadband ANC based on OFDM technique is required to estimate channel frequency responses (CFRs) between both user terminals (UTs) and a relay station (RS) precisely so as to remove the self-information data from the received signal and to demodulate the other user?s information data with frequency domain equalization. Many channel estimation methods have been proposed for the OFDM based broadband ANC. However bit error rate (BER) performance of these methods would be degraded relatively in higher time-varying fading channels. To solve this problem, this paper proposes a CFR estimation method which can achieve better BER performance with keeping higher transmission efficiency even in higher time-varying fading channels. The salient features of proposed CFR estimation method are to enable the estimation of combined CFR at the UT for both channels between the UTs and RS by using scattered pilot subcarriers and to enable the demodulation of information data without feedback information of CFR estimated from the RS. This paper presents various simulation results in the higher time-varying fading channels to demonstrate the effectiveness of proposed CFR estimation method for the OFDM based broadband ANC.
Keyword (in Japanese) (See Japanese page) 
(in English) ANC / OFDM / bi-directional / CFR / time-varying fading channel / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 386, RCS2013-286, pp. 181-186, Jan. 2014.
Paper # RCS2013-286 
Date of Issue 2014-01-16 (SIP, RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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)
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Conference Information
Committee RCS SIP  
Conference Date 2014-01-23 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Wireless Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2014-01-RCS-SIP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of Channel Estimation Method for OFDM Based Analogue Network Coding in Higher Time-varying Fading Channel 
Sub Title (in English)  
Keyword(1) ANC  
Keyword(2) OFDM  
Keyword(3) bi-directional  
Keyword(4) CFR  
Keyword(5) time-varying fading channel  
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1st Author's Name Tanairat Mata  
1st Author's Affiliation Mie University (Mie Univ.)
2nd Author's Name Katsuhiro Naito  
2nd Author's Affiliation Mie University (Mie Univ.)
3rd Author's Name Kazuo Mori  
3rd Author's Affiliation Mie University (Mie Univ.)
4th Author's Name Pisit Boonsrimuang  
4th Author's Affiliation King Mongkut's Institute of Technology Ladkrabang (KMITL)
5th Author's Name Hideo Kobayashi  
5th Author's Affiliation Mie University (Mie Univ.)
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Speaker Author-1 
Date Time 2014-01-24 11:35:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # SIP2013-116, RCS2013-286 
Volume (vol) vol.113 
Number (no) no.385(SIP), no.386(RCS) 
Page pp.181-186 
#Pages
Date of Issue 2014-01-16 (SIP, RCS) 


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