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Paper Abstract and Keywords
Presentation 2024-06-19 15:25
Beam Selection Method Based on Horizontal-and-Vertical Angle-Domain Adaptive Beam Grouping for Massive MIMO Analog Beamforming Using NOMA in Cellular Downlink
Azusa Matsumoto, Nobuhide Nonaka, Takanori Hara, Kenichi Higuchi (Tokyo Univ. of Science) RCS2024-44
Abstract (in Japanese) (See Japanese page) 
(in English) This paper investigates a beam selection method for the downlink massive multiple-input multiple-output (mMIMO) analog beamforming (BF) with non-orthogonal multiple access (NOMA) based on the intra-beam superposition coding. The purpose of this study is to select multiple beams which have low inter-beam interference and high NOMA gain by non-orthogonally multiplexing multiple users within each of beams based only on the limited signal-to-noise power ratio (SNR) feedback of best beam from each user which is assumed in 5G NR. The proposed method is based on our previously reported beam selection method using the angle-domain beam grouping (ADG), which utilizes a beam-group which contains multiple neighboring-angle beams. The proposed ADG adaptively controls the configuration of beam groups so that the number of users reported the SNR for the edge beam of beam group is minimized. This brings about the further reduction of inter-beam interference and increase in NOMA effect. Computer simulation results show that the proposed adaptive ADG improves the system-level throughput compared to the conventional ADG.
Keyword (in Japanese) (See Japanese page) 
(in English) Non-orthogonal multiple access / NOMA / SIC / Massive MIMO / Analog beamforming / Beam selection / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 84, RCS2024-44, pp. 99-105, June 2024.
Paper # RCS2024-44 
Date of Issue 2024-06-12 (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 RCS2024-44

Conference Information
Committee RCS  
Conference Date 2024-06-19 - 2024-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2024-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Beam Selection Method Based on Horizontal-and-Vertical Angle-Domain Adaptive Beam Grouping for Massive MIMO Analog Beamforming Using NOMA in Cellular Downlink 
Sub Title (in English)  
Keyword(1) Non-orthogonal multiple access  
Keyword(2) NOMA  
Keyword(3) SIC  
Keyword(4) Massive MIMO  
Keyword(5) Analog beamforming  
Keyword(6) Beam selection  
Keyword(7)  
Keyword(8)  
1st Author's Name Azusa Matsumoto  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Nobuhide Nonaka  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Takanori Hara  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
4th Author's Name Kenichi Higuchi  
4th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2024-06-19 15:25:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2024-44 
Volume (vol) vol.124 
Number (no) no.84 
Page pp.99-105 
#Pages 7 
Date of Issue 2024-06-12 (RCS) 

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