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Paper Abstract and Keywords
Presentation 2014-10-27 11:35
Enhanced Channel Estimation Based on Interference Variance for AF Relay C-HTRCI-MIMO/OFDM
Yuta Ida (Yamaguchi Univ.), Chang-Jun Ahn (Chiba Univ.), Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) SRW2014-27
Abstract (in Japanese) (See Japanese page) 
(in English) To achieve high quality communications, amplify-and-forward (AF) relay multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems have been proposed. On the other hand, they require the estimation of the channel between the source-relay and relay-destination nodes in the receiver. In general, channel estimation (CE) uses a pilot signal. However, AF relay MIMO/OFDM requires many pilot signals. Therefore, in this paper, we propose a complex high time resolution carrier interferometry (C-HTRCI) to mitigate the above problem for AF relay MIMO/OFDM systems. Moreover, we propose also the enhanced CE based on the interference variance to more improve the bit error rate (BER) performance. From the simulation result, the proposed method shows the improvement of the BER performance and the best throughput performance.
Keyword (in Japanese) (See Japanese page) 
(in English) AF Relay / MIMO / OFDM / C-HTRCI / Channel estimation / Interference variance / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 279, SRW2014-27, pp. 13-18, Oct. 2014.
Paper # SRW2014-27 
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)
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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 Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Enhanced Channel Estimation Based on Interference Variance for AF Relay C-HTRCI-MIMO/OFDM 
Sub Title (in English)  
Keyword(1) AF Relay  
Keyword(2) MIMO  
Keyword(3) OFDM  
Keyword(4) C-HTRCI  
Keyword(5) Channel estimation  
Keyword(6) Interference variance  
1st Author's Name Yuta Ida  
1st Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
2nd Author's Name Chang-Jun Ahn  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Takahiro Matsumoto  
3rd Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
4th Author's Name Shinya Matsufuji  
4th Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
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Date Time 2014-10-27 11:35:00 
Presentation Time 25 
Registration for SRW 
Paper # IEICE-SRW2014-27 
Volume (vol) IEICE-114 
Number (no) no.279 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-SRW-2014-10-20 

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