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Paper Abstract and Keywords
Presentation 2014-01-24 13:25
A Study on Closed-Loop Beamforming Matrix Control Method in Non-orthogonal Access with Intra-beam Superposition Coding and SIC for Cellular Downlink
Ryuichi Hashimoto (Tokyo Univ. of Science), Anass Benjebbour (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) SIP2013-129 RCS2013-299
Abstract (in Japanese) (See Japanese page) 
(in English) This paper investigates the closed loop-based control of beamforming matrix in our previously reported non-orthogonal access using intra-beam superposition coding and successive interference canceller (SIC) for multiple-input multiple-output (MIMO) cellular downlink. For reducing the channel state information feedback from the user terminal, the proposed method uses only the channel matrix of pre-selected user terminals. The beamforming matrix is generated using the set of right singular vectors of reported channel matrix. For the selection of the user terminals which feedback its channel matrix to the base station, we employ the weighted proportional fair-based criteria. From the simulation results, we show the effectiveness of the proposed method compared to the random beamforming.
Keyword (in Japanese) (See Japanese page) 
(in English) Cellular system / Downlink / Non-orthogonal multiple access / SIC / MIMO / Beamforming / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 386, RCS2013-299, pp. 259-262, Jan. 2014.
Paper # RCS2013-299 
Date of Issue 2014-01-16 (SIP, 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 SIP2013-129 RCS2013-299

Conference Information
Committee RCS SIP  
Conference Date 2014-01-23 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Wireless Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2014-01-RCS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Closed-Loop Beamforming Matrix Control Method in Non-orthogonal Access with Intra-beam Superposition Coding and SIC for Cellular Downlink 
Sub Title (in English)  
Keyword(1) Cellular system  
Keyword(2) Downlink  
Keyword(3) Non-orthogonal multiple access  
Keyword(4) SIC  
Keyword(5) MIMO  
Keyword(6) Beamforming  
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Keyword(8)  
1st Author's Name Ryuichi Hashimoto  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Anass Benjebbour  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Kenichi Higuchi  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2014-01-24 13:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # SIP2013-129, RCS2013-299 
Volume (vol) vol.113 
Number (no) no.385(SIP), no.386(RCS) 
Page pp.259-262 
#Pages 4 
Date of Issue 2014-01-16 (SIP, RCS) 

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