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Paper Abstract and Keywords
Presentation 2011-10-28 14:40
Time-domain Channel Estimation Using Pilot Symbol with Repetetive Waveform for RF-MIMO-OFDM
Masahiro Yasukawa, Takahiko Saba (CIT) RCS2011-183
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a channel estimation method for radio frequency multiple-input multiple-output orthogonal frequency division multiplexing (RF--MIMO--OFDM) systems. In RF--MIMO--OFDM systems, a receiver combines the received signals at the RF front-end. If the channels are varying during the pilot transmission, the accuracy of the conventional channel estimation is degraded because the conventional channel estimation method requires a number of pilot OFDM symbols. In this paper, we propose a channel estimation method which can estimate channels with a shorter time period considering the antenna switching time. The proposed method estimates channel impulse responses of multiple channels during one OFDM symbol duration. From simulation results, we show that the proposed estimation method achieves a better estimation performance than the conventional estimation method. Furthermore, the packet error performance is also improved by the use of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) RF--MIMO--OFDM / Channel estimation / Time-domain estimation / Maximum likelihood method / Antenna switching time / Time-varying channel / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 260, RCS2011-183, pp. 255-260, Oct. 2011.
Paper # RCS2011-183 
Date of Issue 2011-10-19 (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 RCS2011-183

Conference Information
Committee RCS AN SR USN  
Conference Date 2011-10-26 - 2011-10-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Sophia Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Distributed Networks, etc. 
Paper Information
Registration To RCS 
Conference Code 2011-10-RCS-AN-SR-USN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Time-domain Channel Estimation Using Pilot Symbol with Repetetive Waveform for RF-MIMO-OFDM 
Sub Title (in English)  
Keyword(1) RF--MIMO--OFDM  
Keyword(2) Channel estimation  
Keyword(3) Time-domain estimation  
Keyword(4) Maximum likelihood method  
Keyword(5) Antenna switching time  
Keyword(6) Time-varying channel  
Keyword(7)  
Keyword(8)  
1st Author's Name Masahiro Yasukawa  
1st Author's Affiliation Chiba Institute of Technology (CIT)
2nd Author's Name Takahiko Saba  
2nd Author's Affiliation Chiba Institute of Technology (CIT)
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Speaker Author-1 
Date Time 2011-10-28 14:40:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2011-183 
Volume (vol) vol.111 
Number (no) no.260 
Page pp.255-260 
#Pages 6 
Date of Issue 2011-10-19 (RCS) 

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