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Paper Abstract and Keywords
Presentation 2012-11-16 13:50
Investigation on Link Performance Modeling Considering Channel Estimation Error for System Performance Evaluation of Interference Rejection Combining Receiver in LTE-Advanced Downlink
Yousuke Sano, Yusuke Ohwatari, Nobuhiko Miki, Akihito Morimoto, Yukihiko Okumura (NTT DOCOMO) RCS2012-179
Abstract (in Japanese) (See Japanese page) 
(in English) This paper investigates the advanced receiver employing interference rejection combining (IRC) modeling schemes for the channel estimation error. In a system performance evaluation, the block error rate (BLER) of IRC receiver should be modeled accurately. To do this, the link performance modeling of the IRC receiver, i.e., the output signal-to-interference-plus-noise power ratio (SINR) after IRC reception including the covariance matrix and channel matrix estimation errors, is very important in evaluating the actual performance of the IRC receiver in the system level simulation. This is because these errors affect the suppression of the interference signals for the IRC receiver. In this paper, we propose a modeling scheme for the channel estimation error according to the ideal channel response of all cells and a channel estimation filter to address channel fading fluctuations. The results of simulations assuming LTE-Advanced downlink with two transmitter and receiver antenna branches show that the proposed scheme accurately approximates the performance of the realistic IRC receiver including a channel estimation error, which estimates the covariance matrix and channel matrix of the serving cell based on the demodulation reference signal.
Keyword (in Japanese) (See Japanese page) 
(in English) LTE-Advanced / interference rejection combining / inter-cell interference / system level simulation / link performance modeling / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 286, RCS2012-179, pp. 109-114, Nov. 2012.
Paper # RCS2012-179 
Date of Issue 2012-11-08 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 AP RCS  
Conference Date 2012-11-14 - 2012-11-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Denki University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2012-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation on Link Performance Modeling Considering Channel Estimation Error for System Performance Evaluation of Interference Rejection Combining Receiver in LTE-Advanced Downlink 
Sub Title (in English)  
Keyword(1) LTE-Advanced  
Keyword(2) interference rejection combining  
Keyword(3) inter-cell interference  
Keyword(4) system level simulation  
Keyword(5) link performance modeling  
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1st Author's Name Yousuke Sano  
1st Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
2nd Author's Name Yusuke Ohwatari  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Nobuhiko Miki  
3rd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
4th Author's Name Akihito Morimoto  
4th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
5th Author's Name Yukihiko Okumura  
5th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
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Speaker
Date Time 2012-11-16 13:50:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2012-179 
Volume (vol) IEICE-112 
Number (no) no.286 
Page pp.109-114 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2012-11-08 


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