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Paper Abstract and Keywords
Presentation 2011-07-22 16:05
Transmit Precoding and Scheduling for Multi-cell Multiuser MIMO Downlink
Prasertsak Charoen, Tomoaki Ohtsuki (Keio Univ.) RCS2011-106
Abstract (in Japanese) (See Japanese page) 
(in English) In multi-cell cellular network, transmission in neighboring cells can create inter-cell interference (ICI) and limit the performance of the network, particularly at the cell-edge area. Base station (BS) cooperation is a promising technique to mitigate the ICI by jointly design transmit precoding and schedule active users among BSs. In this paper, we propose new transmit precoding matrix design and user selection algorithm for multi-cell downlink multiuser multi-input multi-output (MU-MIMO) network to reduce the effect of ICI and thus, enhance the sum-rate. Direction of ICI and users' channel matrices are taking into account for selecting active users. Then, the proposed multi-cell block diagonalization (BD) technique is used to design transmit precoding matrices. Simulation results show that our proposed BS cooperation strategy improves the sum-rate, particularly in the cell-edge area.
Keyword (in Japanese) (See Japanese page) 
(in English) CoMP / Base station cooperation / Interference mitigation / Scheduling / Precoding / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 145, RCS2011-106, pp. 187-192, July 2011.
Paper # RCS2011-106 
Date of Issue 2011-07-14 (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 NS  
Conference Date 2011-07-21 - 2011-07-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Asahikawa Civic Culture Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Fixed/Wireless Network, Hand Over, Relay, Distributed MIMO, Mobile Ad-hoc Network, etc. 
Paper Information
Registration To RCS 
Conference Code 2011-07-RCS-NS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Transmit Precoding and Scheduling for Multi-cell Multiuser MIMO Downlink 
Sub Title (in English)  
Keyword(1) CoMP  
Keyword(2) Base station cooperation  
Keyword(3) Interference mitigation  
Keyword(4) Scheduling  
Keyword(5) Precoding  
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1st Author's Name Prasertsak Charoen  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Tomoaki Ohtsuki  
2nd Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2011-07-22 16:05:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2011-106 
Volume (vol) vol.111 
Number (no) no.145 
Page pp.187-192 
#Pages
Date of Issue 2011-07-14 (RCS) 


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