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Paper Abstract and Keywords
Presentation 2026-01-26 09:30
Development of UL-TPC and Results of Outdoor Video Transmission Experiments in a 5G NR-Compatible UL-NOMA System
Masafumi Moriyama, Takashi Matsuda, Kazuya Takashima, Takeshi Matsumura (NICT) IT2025-36 SIP2025-50 RCS2025-207
Abstract (in Japanese) (See Japanese page) 
(in English) To promote the widespread use of real-time control devices such as autonomous driving systems, communication systems that can achieve not only massive connectivity but also low latency are required. We have been developing a wireless communication system that aims to achieve both massive connectivity and low latency. In this system, Uplink Non-Orthogonal Multiple Access (UL-NOMA) is employed to support massive connectivity, while Configured Grant (CG) is adopted to realize low latency. We have named this wireless communication system STABLE (Simultaneous Transmission Access Boosting Low latency) and has been further developing NR-STABLE, which is designed to maintain compatibility with 5G New Radio (NR). In this study, we conducted outdoor transmission experiments using NR-STABLE to evaluate the Block Error Rate (BLER) and the quality of video transmission. In addition, for UL-NOMA, we introduced Transmit Power Control (TPC) to efficiently operate Successive Interference Cancellation (SIC), which is used for signal separation, and report the results of this evaluation. It was confirmed that the introduction of this UL-TPC can reduce the BLER by approximately one-tenth in a single-path Rayleigh fading environment with a maximum Doppler frequency of 0.1 Hz.
Keyword (in Japanese) (See Japanese page) 
(in English) NOMA / SIC / TPC / 5G NR / video transmission / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 334, RCS2025-207, pp. 1-6, Jan. 2026.
Paper # RCS2025-207 
Date of Issue 2026-01-19 (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 IT2025-36 SIP2025-50 RCS2025-207

Conference Information
Committee IT RCS SIP  
Conference Date 2026-01-26 - 2026-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Forest Sendai 
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 2026-01-IT-RCS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of UL-TPC and Results of Outdoor Video Transmission Experiments in a 5G NR-Compatible UL-NOMA System 
Sub Title (in English)  
Keyword(1) NOMA  
Keyword(2) SIC  
Keyword(3) TPC  
Keyword(4) 5G NR  
Keyword(5) video transmission  
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Keyword(8)  
1st Author's Name Masafumi Moriyama  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Takashi Matsuda  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Kazuya Takashima  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Takeshi Matsumura  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2026-01-26 09:30:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2025-36, SIP2025-50, RCS2025-207 
Volume (vol) vol.125 
Number (no) no.332(IT), no.333(SIP), no.334(RCS) 
Page pp.1-6 
#Pages 6 
Date of Issue 2026-01-19 (IT, SIP, RCS) 

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