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Paper Abstract and Keywords
Presentation 2020-05-21 10:00
A Study on Combined Effect of Cluster Multilayering and MMSE Filtering on Inter-cluster Interference Mitigation in 5G Advanced Ultra-dense RAN
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2020-10
Abstract (in Japanese) (See Japanese page) 
(in English) In ultra-dense RAN consisting of a large number of distributed antennas, the coverage and the capacity can be improved by forming a number of user clusters (also called virtual small cells) with each cluster consisting of neighbor users and by executing cluster-wise small-scale MIMO cooperative transmission / reception in parallel using the same frequency. But, a straightforward clustering produces a severe inter-cluster interference (ICI) and the capacity improvement is much smaller than expected. Recently, we proposed the joint user-cluster multilayering and scheduling for ultra-dense RAN. This approach is based on user clustering using the user location information, user-cluster layering based on the interference offset distance, user-antenna association on each layer, and cluster-wise MMSE-SVD cooperative transmission / reception. Recently, we showed by computer simulation that the simple layer-by-layer round-robin scheduling can effectively mitigate the ICI. In this paper, we will discuss about the ICI mitigation effect in detail from the viewpoint of cluster multilayering and MMSE filter interference power term. Specifically, we show the combined effects of cluster multilayering and MMSE filter interference power term on ICI mitigation, based on the relation between the link capacity (user and sum) and fairness obtained by computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) distributed MIMO / user clustering / cooperative transmission / MU-MIMO / MMSE filtering / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 29, RCS2020-10, pp. 1-6, May 2020.
Paper # RCS2020-10 
Date of Issue 2020-05-14 (RCS) 
ISSN 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 IN RCS NV  
Conference Date 2020-05-21 - 2020-05-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Ad-Hoc/Sensor Networks/MANET, Mobile Networks, M2M/IoT Communications, Wi-Fi, IEEE802.15(ZigBee) and others 
Paper Information
Registration To RCS 
Conference Code 2020-05-IN-RCS-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Combined Effect of Cluster Multilayering and MMSE Filtering on Inter-cluster Interference Mitigation in 5G Advanced Ultra-dense RAN 
Sub Title (in English)  
Keyword(1) distributed MIMO  
Keyword(2) user clustering  
Keyword(3) cooperative transmission  
Keyword(4) MU-MIMO  
Keyword(5) MMSE filtering  
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1st Author's Name Ryo Takahashi  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Hidenori Matsuo  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Fumiyuki Adachi  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2020-05-21 10:00:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2020-10 
Volume (vol) vol.120 
Number (no) no.29 
Page pp.1-6 
#Pages
Date of Issue 2020-05-14 (RCS) 


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