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Paper Abstract and Keywords
Presentation 2012-03-08 09:25
Investigation on Interference Rejection Combining Receiver for Open-loop Transmit Diversity in LTE-Advanced Downlink
Yusuke Ohwatari, Nobuhiko Miki, Yuta Sagae (NTT DOCOMO) RCS2011-338
Abstract (in Japanese) (See Japanese page) 
(in English) The interference rejection combining (IRC) receiver, which can suppress inter-cell interference, is effective in improving the cell-edge user throughput. The IRC receiver is typically based on the minimum mean square error (MMSE) criteria, which requires highly accurate channel estimation and covariance matrix estimation that includes the inter-cell interference. In this paper, assuming the cell edge where the IRC receiver is effective, we propose the scheme of applying the covariance matrix estimation based on the cell-specific reference signal for the open-loop transmit diversity using space-frequency block code (SFBC). The results of simulations assuming LTE/LTE-Advanced show that the IRC receiver using the proposed scheme, which has two receiver antenna branches, can suppress the inter-cell interference and improve the throughput compared to that of the conventional maximal ratio combining (MRC) receiver.
Keyword (in Japanese) (See Japanese page) 
(in English) LTE-Advanced / interference rejection combining / inter-cell interference / open-loop transmit diversity / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 451, RCS2011-338, pp. 133-138, March 2012.
Paper # RCS2011-338 
Date of Issue 2012-02-29 (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 RCS2011-338

Conference Information
Committee SR RCS SRW  
Conference Date 2012-03-07 - 2012-03-09 
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 2012-03-SR-RCS-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation on Interference Rejection Combining Receiver for Open-loop Transmit Diversity in LTE-Advanced Downlink 
Sub Title (in English)  
Keyword(1) LTE-Advanced  
Keyword(2) interference rejection combining  
Keyword(3) inter-cell interference  
Keyword(4) open-loop transmit diversity  
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1st Author's Name Yusuke Ohwatari  
1st Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
2nd Author's Name Nobuhiko Miki  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Yuta Sagae  
3rd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
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Speaker Author-1 
Date Time 2012-03-08 09:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2011-338 
Volume (vol) vol.111 
Number (no) no.451 
Page pp.133-138 
#Pages
Date of Issue 2012-02-29 (RCS) 


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