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Paper Abstract and Keywords
Presentation 2022-01-21 13:30
Improved Adaptive Interference/Radio Resource Management for 5G Advanced Ultra-dense RAN
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) IT2021-77 SIP2021-85 RCS2021-245
Abstract (in Japanese) (See Japanese page) 
(in English) In order to solve an interference problem in multi-user MIMO (MU-MIMO) systems using distributed antennas, the authors have studied the adaptive interference and radio resource management. In our previous adaptive interference and radio resource management, for the inter-cluster interference mitigation, a large number of clusters in the BS-cell are divided into different layers and then, the transmission opportunity is given to each layer in a prescribed order. On the other hand, for the inter-cell interference mitigation, a cell-edge user layer is additionally formed and one fractional band is assigned to the cell-edge layer so that assigned fractional band is orthogonal to neighboring cell-edges. In this paper, we propose an improved adaptive interference and radio resource management with the aim of further enhanced mitigation of the interference. Exploiting the fact that there is no user in a center area of the cell-edge layer, cluster-edge users having strong inter-cluster interference even after layering are assigned to this layer to improve their quality. We evaluate the user capacity by computer simulation to show the effectiveness of the proposed improved adaptive interference and radio resource management.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G advanced RAN / interference/radio resource management / user clustering / CS-FFR / distributed MU-MIMO / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 329, RCS2021-245, pp. 276-281, Jan. 2022.
Paper # RCS2021-245 
Date of Issue 2022-01-13 (IT, SIP, RCS) 
ISSN 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 IT2021-77 SIP2021-85 RCS2021-245

Conference Information
Committee RCS SIP IT  
Conference Date 2022-01-20 - 2022-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2022-01-RCS-SIP-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improved Adaptive Interference/Radio Resource Management for 5G Advanced Ultra-dense RAN 
Sub Title (in English)  
Keyword(1) 5G advanced RAN  
Keyword(2) interference/radio resource management  
Keyword(3) user clustering  
Keyword(4) CS-FFR  
Keyword(5) distributed MU-MIMO  
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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 2022-01-21 13:30:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2021-77, SIP2021-85, RCS2021-245 
Volume (vol) vol.121 
Number (no) no.327(IT), no.328(SIP), no.329(RCS) 
Page pp.276-281 
#Pages 6 
Date of Issue 2022-01-13 (IT, SIP, RCS) 

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