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Paper Abstract and Keywords
Presentation 2015-03-04 16:50
Interference reduction characteristics by cylindrical array based massive MIMO with analog-digital hybrid processing in a real microcell environment
Ryochi Kataoka, Junpei Miyazawa, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTTdocomo) RCS2014-323
Abstract (in Japanese) (See Japanese page) 
(in English) Massive MIMO enables the improvement on the transmission rate without increasing the burden on the signal processing by employing a large number of antennas at a base station. The authors have evaluated the effect by the massive MIMO in small cell environment using 2GHz band. In this report, we evaluated the effectiveness of the interference rejection while reducing amount of calculation when using the hybrid algorithm which employs the maximum ratio combining (MRC) on the analog part and zero forcing (ZF) in the digital processing part.
Keyword (in Japanese) (See Japanese page) 
(in English) massive MIMO / microcell / cylindrical array antenna / maximum ratio combining / zero forcing / analog-digital hybrid processing / channel sounder /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 490, RCS2014-323, pp. 129-134, March 2015.
Paper # RCS2014-323 
Date of Issue 2015-02-25 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 SR SRW  
Conference Date 2015-03-04 - 2015-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2015-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Interference reduction characteristics by cylindrical array based massive MIMO with analog-digital hybrid processing in a real microcell environment 
Sub Title (in English)  
Keyword(1) massive MIMO  
Keyword(2) microcell  
Keyword(3) cylindrical array antenna  
Keyword(4) maximum ratio combining  
Keyword(5) zero forcing  
Keyword(6) analog-digital hybrid processing  
Keyword(7) channel sounder  
1st Author's Name Ryochi Kataoka  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Junpei Miyazawa  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Kentaro Nishimori  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Ngochao Tran  
4th Author's Affiliation NTT COCOMO INC. (NTTdocomo)
5th Author's Name Tetsuro Imai  
5th Author's Affiliation NTT COCOMO INC. (NTTdocomo)
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Date Time 2015-03-04 16:50:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2014-323 
Volume (vol) IEICE-114 
Number (no) no.490 
Page pp.129-134 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2015-02-25 

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