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Paper Abstract and Keywords
Presentation 2012-01-20 10:35
[Invited Talk] Fundamentals and Its Applications of OFDM Technology
Hideo Kobayashi (Mie Univ.) MoMuC2011-47 AN2011-76 USN2011-82
Abstract (in Japanese) (See Japanese page) 
(in English) OFDM (Orthogonal Frequency Division Multiplexing) technique has been received a lot of attentions especially in the field of multimedia wireless communications systems because of its efficient usage of frequency bandwidth and robustness to multipath fading. From these advantages, OFDM technique has been already adopted as the standard transmission techniques in the terrestrial digital broadcasting, wireless LAN and terrestrial mobile communications systems. Furthermore OFDM has been considered as one of the promising techniques for the future wireless communication systems from that OFDM has potential capability to enhance its performance relatively by merging with multiple access method, forward error correction method, adaptive modulation and frequency slot assignment method according to the channel conditions and multi-input and multi-output (MIMO) method. However some challenging research topics still remain unsolved in the OFDM technique such as the frequency synchronization problem in uplink OFDMA system, PAPR (peak to averaged power ratio) problem in non-linear channel and Doppler frequency spread problem in time-varying fading channel, all of which would lead the fatal degradation of OFDM performances. This paper firstly introduces the history of OFDM technique and its fundamental theory and then presents one of the solutions for these three challenging research topics.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM / Multi-path fading / MC-CDMA / MIMO-OFDM / OFDMA / SC-OFDM / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 386, USN2011-82, pp. 147-152, Jan. 2012.
Paper # USN2011-82 
Date of Issue 2012-01-12 (MoMuC, AN, USN) 
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 MoMuC2011-47 AN2011-76 USN2011-82

Conference Information
Committee MoNA AN USN  
Conference Date 2012-01-19 - 2012-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Todaya (Toba) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To USN 
Conference Code 2012-01-MoMuC-AN-USN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fundamentals and Its Applications of OFDM Technology 
Sub Title (in English)  
Keyword(1) OFDM  
Keyword(2) Multi-path fading  
Keyword(3) MC-CDMA  
Keyword(4) MIMO-OFDM  
Keyword(5) OFDMA  
Keyword(6) SC-OFDM  
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Keyword(8)  
1st Author's Name Hideo Kobayashi  
1st Author's Affiliation Mie University (Mie Univ.)
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Speaker Author-1 
Date Time 2012-01-20 10:35:00 
Presentation Time 40 minutes 
Registration for USN 
Paper # MoMuC2011-47, AN2011-76, USN2011-82 
Volume (vol) vol.111 
Number (no) no.384(MoMuC), no.385(AN), no.386(USN) 
Page pp.61-66(MoMuC), pp.125-130(AN), pp.147-152(USN) 
#Pages 6 
Date of Issue 2012-01-12 (MoMuC, AN, USN) 

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