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Paper Abstract and Keywords
Presentation 2023-03-03 16:40
A Study on Analog Beam Selection and Digital Beam Design for Millimeter-wave Cell-Free Massive MIMO
Shunsuke Kamiwatari, Issei Kanno, Yoshiaki Amano (KDDI Research), Kengo Ando, Shuto Fukue, Koji Ishibashi (UEC) RCS2022-297
Abstract (in Japanese) (See Japanese page) 
(in English) Cell-Free Massive MIMO (CF mMIMO) has gained much attention as one of potential technologies for Beyond 5G (B5G) whereas hybrid analog-digital beamforming (BF) is also essential for B5G to further exploit millimeter wave (mmWave) bands. This paper studies practical access-point-wise analog-beam selection for CF mMIMO systems with hybrid BF over mmWave channels. Computer simulations evaluate the spectral efficiency of the proposed analog beam selection with different digital BF designs and show that the proposed method with the appropriate digital BF provides the comparable performance to one based on convex optimization.
Keyword (in Japanese) (See Japanese page) 
(in English) Cell-Free Massive MIMO / hybrid beamforming / millimeter-wave communications / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 399, RCS2022-297, pp. 261-266, March 2023.
Paper # RCS2022-297 
Date of Issue 2023-02-22 (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 RCS2022-297

Conference Information
Committee RCS SR SRW  
Conference Date 2023-03-01 - 2023-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology, and Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2023-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Analog Beam Selection and Digital Beam Design for Millimeter-wave Cell-Free Massive MIMO 
Sub Title (in English)  
Keyword(1) Cell-Free Massive MIMO  
Keyword(2) hybrid beamforming  
Keyword(3) millimeter-wave communications  
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1st Author's Name Shunsuke Kamiwatari  
1st Author's Affiliation KDDI Research, Inc. (KDDI Research)
2nd Author's Name Issei Kanno  
2nd Author's Affiliation KDDI Research, Inc. (KDDI Research)
3rd Author's Name Yoshiaki Amano  
3rd Author's Affiliation KDDI Research, Inc. (KDDI Research)
4th Author's Name Kengo Ando  
4th Author's Affiliation The University of Electro-Communications (UEC)
5th Author's Name Shuto Fukue  
5th Author's Affiliation The University of Electro-Communications (UEC)
6th Author's Name Koji Ishibashi  
6th Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2023-03-03 16:40:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2022-297 
Volume (vol) vol.122 
Number (no) no.399 
Page pp.261-266 
#Pages 6 
Date of Issue 2023-02-22 (RCS) 

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