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Paper Abstract and Keywords
Presentation 2021-07-14 09:00
A Study on Inter-Cluster Interference Coordination for Distributed Antenna Network Using Quantum Computing
Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2021-77
Abstract (in Japanese) (See Japanese page) 
(in English) In a large-scale distributed antenna network, where a large number of antennas are deployed over a base station coverage area (cell), the computational complexity of MU-MIMO becomes prohibitively high. By grouping users in a cell into clusters and by performing cluster-wise small-scale MU-MIMO in parallel, the computational complexity can be reduced, but in return strong inter-cluster interference is produced and accordingly, the user/sum capacity degrades. An efficient method of user clustering and antenna association which can effectively mitigate the strong inter-cluster interference is necessary. However, considering that radio access network will become even more dense in the future, user clustering and antenna association, which is a combinational optimization problem, will be difficult to solve in finite time. In this paper, we propose quantum annealing-based interference coordination. Quantum annealing is specialized in combinational optimization problem among quantum computing that have been attracting attention in recent years. We formulate QUBO for user clustering and antenna association based on location information. We evaluate the user capacity, the sum capacity, and the fairness among users by computer simulation to show the effectiveness of interference coordination by quantum computing.
Keyword (in Japanese) (See Japanese page) 
(in English) distributed antenna network / interference coordination / user clustering / antenna association / quantum computing / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 103, RCS2021-77, pp. 1-6, July 2021.
Paper # RCS2021-77 
Date of Issue 2021-07-07 (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)
Download PDF RCS2021-77

Conference Information
Committee RCS SR NS SeMI RCC  
Conference Date 2021-07-14 - 2021-07-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication and Network Technology of the AI Age, M2M (Machine-to-Machine),D2D (Device-to-Device),IoT(Internet of Things), etc 
Paper Information
Registration To RCS 
Conference Code 2021-07-RCS-SR-NS-SeMI-RCC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Inter-Cluster Interference Coordination for Distributed Antenna Network Using Quantum Computing 
Sub Title (in English)  
Keyword(1) distributed antenna network  
Keyword(2) interference coordination  
Keyword(3) user clustering  
Keyword(4) antenna association  
Keyword(5) quantum computing  
1st Author's Name Keishi Hanakago  
1st Author's Affiliation Panasonic System Networks R&D Lab. Co., Ltd. (PSNRD)
2nd Author's Name Ryo Takahashi  
2nd Author's Affiliation Panasonic System Networks R&D Lab. Co., Ltd. (PSNRD)
3rd Author's Name Takahiro Ohyama  
3rd Author's Affiliation Panasonic System Networks R&D Lab. Co., Ltd. (PSNRD)
4th Author's Name Fumiyuki Adachi  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2021-07-14 09:00:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2021-77 
Volume (vol) vol.121 
Number (no) no.103 
Page pp.1-6 
Date of Issue 2021-07-07 (RCS) 

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