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Paper Abstract and Keywords
Presentation 2011-03-04 15:30
Pilot-assisted Channel Estimation for Broadband ANC without Relay Feedback
Iulia Prodan, Tatsunori Obara (Tohoku Univ.), Haris Gacanin (Alcatel-Lucent Bell N.V., Belgium), Fumiyuki Adachi (Tohoku Univ.) RCS2010-296
Abstract (in Japanese) (See Japanese page) 
(in English) Broadband analog network coding (ANC) has been recently introduced to further increase the network capacity by exploiting the broadcasting nature of the wireless channel. However, channel state information (CSI) knowledge is required for self-information removal and signal detection. Recently, a pilot-assisted channel estimation (PACE) scheme has been presented for broadband ANC; however, feedback of the channel estimates from the relay to the users is required. In this paper, we present a PACE scheme for broadband ANC, based on orthogonal frequency-division multiplexing (OFDM) radio access, without feedback from the relay. In the first time slot, the users transmit their respective pilots to the relay and then, in the second time slot, the relay amplifies and forwards the received pilot signals to both users. Each user can then estimate all the CSI it needs for self-information removal and signal detection, without requiring any feedback from the relay. The bit error rate (BER) performance of broadband ANC using the proposed PACE is evaluated by computer simulation. It was shown that the proposed PACE scheme can achieve almost the same BER performance as the conventional PACE scheme, while eliminating the feedback channel requirement.
Keyword (in Japanese) (See Japanese page) 
(in English) broadband ANC / OFDM / channel estimation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 433, RCS2010-296, pp. 277-282, March 2011.
Paper # RCS2010-296 
Date of Issue 2011-02-23 (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)
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Conference Information
Committee RCS MoNA SR  
Conference Date 2011-03-02 - 2011-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2011-03-RCS-MoMuC-SR 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Pilot-assisted Channel Estimation for Broadband ANC without Relay Feedback 
Sub Title (in English)  
Keyword(1) broadband ANC  
Keyword(2) OFDM  
Keyword(3) channel estimation  
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1st Author's Name Iulia Prodan  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Tatsunori Obara  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Haris Gacanin  
3rd Author's Affiliation Alcatel-Lucent Bell N.V., Belgium (Alcatel-Lucent Bell N.V., Belgium)
4th Author's Name Fumiyuki Adachi  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2011-03-04 15:30:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2010-296 
Volume (vol) vol.110 
Number (no) no.433 
Page pp.277-282 
#Pages
Date of Issue 2011-02-23 (RCS) 


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