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Paper Abstract and Keywords
Presentation 2025-01-29 17:25
Throughput Evaluation of Overhead Reduction by UE-initiated Beam Management in Millimeter Wave Band 5G NR
Shunsuke Kamiwatari, Shuto Fukue, Noboru Osawa, Masaaki Ito, Takeo Ohseki, Issei Kanno, Hiroyuki Shinbo (KDDI Research) IT2024-48 SIP2024-87 RCS2024-231
Abstract (in Japanese) (See Japanese page) 
(in English) In 5G NR beam management, frequent reference signals and beam reporting achieve beam switching that adapts to user mobility and its communication environments. However, the overhead of frequent beam reporting affects system performance. This issue is particularly prominent in the millimeter-wave band, where there is a trade-off between the accuracy of beamforming required to compensate for large propagation loss and the overhead associated with beam reporting. To mitigate this problem, an UE-initiated beam management has been studied in 3GPP Rel-19, allowing part of the beam management operation to be user initiated, which is expected to reduce unnecessary beam reporting and signaling. This paper evaluates the performance of uplink and downlink considering the signaling overhead reduction effects of the UE-initiated beam management in the millimeter-wave band, and clarifies throughput improvements.
Keyword (in Japanese) (See Japanese page) 
(in English) UE-initiated beam management / event-driven beam reporting / millimeter-wave / 5G-Advanced / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 366, RCS2024-231, pp. 128-133, Jan. 2025.
Paper # RCS2024-231 
Date of Issue 2025-01-22 (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 IT2024-48 SIP2024-87 RCS2024-231

Conference Information
Committee RCS SIP IT  
Conference Date 2025-01-29 - 2025-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kaikyou-messe 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Wireless Communications, Learning, Mathematics, Information Theory, etc. 
Paper Information
Registration To RCS 
Conference Code 2025-01-RCS-SIP-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Throughput Evaluation of Overhead Reduction by UE-initiated Beam Management in Millimeter Wave Band 5G NR 
Sub Title (in English)  
Keyword(1) UE-initiated beam management  
Keyword(2) event-driven beam reporting  
Keyword(3) millimeter-wave  
Keyword(4) 5G-Advanced  
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1st Author's Name Shunsuke Kamiwatari  
1st Author's Affiliation KDDI Research, Inc. (KDDI Research)
2nd Author's Name Shuto Fukue  
2nd Author's Affiliation KDDI Research, Inc. (KDDI Research)
3rd Author's Name Noboru Osawa  
3rd Author's Affiliation KDDI Research, Inc. (KDDI Research)
4th Author's Name Masaaki Ito  
4th Author's Affiliation KDDI Research, Inc. (KDDI Research)
5th Author's Name Takeo Ohseki  
5th Author's Affiliation KDDI Research, Inc. (KDDI Research)
6th Author's Name Issei Kanno  
6th Author's Affiliation KDDI Research, Inc. (KDDI Research)
7th Author's Name Hiroyuki Shinbo  
7th Author's Affiliation KDDI Research, Inc. (KDDI Research)
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Speaker Author-1 
Date Time 2025-01-29 17:25:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2024-48, SIP2024-87, RCS2024-231 
Volume (vol) vol.124 
Number (no) no.364(IT), no.365(SIP), no.366(RCS) 
Page pp.128-133 
#Pages 6 
Date of Issue 2025-01-22 (IT, SIP, RCS) 

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