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Paper Abstract and Keywords
Presentation 2018-01-22 16:10
Transmission Performance for Multiuser MIMO System According to Spatial Correlations and errors of CSI feedback under Multipath Fading Environments
Kyouka Abe (Grad. Sch. TUSS), Syouta Wakabayashi (TUSS), Naoki Ginoza (Grad. Sch. TUSS), Kazuhiro Yamaguchi, Hideaki Matsue (TUSS) IT2017-78 SIP2017-86 RCS2017-292
Abstract (in Japanese) (See Japanese page) 
(in English) This paper analyzed the influence of errors of CSI feedback and according to spatially correlations to network performance in MU-MIMO system. The MU-MIMO system model constructed in this paper was based on block diagonalization algorithm with 16 streams were constructed, and the algorithm required the CSI feedback perfectly. Instantaneous received C/(N+I) distributions, BER performance, and channel capacity were simulated. As the results, it was confirmed that degradations of C/N were about 1~11dB and channel capacity of systems with correlation value i.i.d, 0.5, and 0.9 were about 48, 41 and 36 bit/s/Hz , respectively, when the average C/N was 20dB. It was confirmed that when the error of the CSI feedback was 10%, the degradation was 6 bit / s / Hz for i.i.d. Accordingly, further degradation occurred when there was an error in the CSI feedback.
Keyword (in Japanese) (See Japanese page) 
(in English) Multiuser MIMO / Block Diagonalization / Spatially correlation / CSI Feedback / Errors of CSI / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 396, RCS2017-292, pp. 137-142, Jan. 2018.
Paper # RCS2017-292 
Date of Issue 2018-01-15 (IT, 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 IT2017-78 SIP2017-86 RCS2017-292

Conference Information
Committee SIP IT RCS  
Conference Date 2018-01-22 - 2018-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Sunport Hall Takamatsu 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2018-01-SIP-IT-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Transmission Performance for Multiuser MIMO System According to Spatial Correlations and errors of CSI feedback under Multipath Fading Environments 
Sub Title (in English)  
Keyword(1) Multiuser MIMO  
Keyword(2) Block Diagonalization  
Keyword(3) Spatially correlation  
Keyword(4) CSI Feedback  
Keyword(5) Errors of CSI  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kyouka Abe  
1st Author's Affiliation Graduate School of Tokyo University of Science, Suwa (Grad. Sch. TUSS)
2nd Author's Name Syouta Wakabayashi  
2nd Author's Affiliation Tokyo University of Science, Suwa (TUSS)
3rd Author's Name Naoki Ginoza  
3rd Author's Affiliation Graduate School of Tokyo University of Science, Suwa (Grad. Sch. TUSS)
4th Author's Name Kazuhiro Yamaguchi  
4th Author's Affiliation Tokyo University of Science, Suwa (TUSS)
5th Author's Name Hideaki Matsue  
5th Author's Affiliation Tokyo University of Science, Suwa (TUSS)
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Speaker Author-1 
Date Time 2018-01-22 16:10:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2017-78, SIP2017-86, RCS2017-292 
Volume (vol) vol.117 
Number (no) no.394(IT), no.395(SIP), no.396(RCS) 
Page pp.137-142 
#Pages 6 
Date of Issue 2018-01-15 (IT, SIP, RCS) 

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