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Paper Abstract and Keywords
Presentation 2024-06-21 14:00
Study on Transmit Power Control Schemes for UL-NOMA Systems
Masafumi Moriyama, Takashi Matsuda, Takeshi Matsumura (NICT) RCS2024-81
Abstract (in Japanese) (See Japanese page) 
(in English) IoT communications operated on the 5G New Radio (NR) system are expected to become increasingly important. For mission-critical IoT communications, it's necessary not only to support massive connections but also to achieve low latency. In this study, we studied systems that use both Non-Orthogonal Multiple Access (NOMA) and grant-free access. For NOMA, we used Power Domain NOMA (PD-NOMA), and for grant-free access, we applied Configured Grant(CG) from the 5G NR specifications. The paper reports on our exploration of introducing Transmit Power Control (TPC) to improve the reliability of the uplink PD-NOMA method. Using TPC helps reduce fluctuations in received power due to fading and improves Block Error Rate (BLER) performance of PD-NOMA using Successive Interference Cancellation (SIC). We evaluated the TPC-enhanced PD-NOMA method through computer simulations and real-device evaluation using a fading emulator. The results showed that TPC effectively reduced the BLER to 1×10-4 under single-path Rayleigh fading with a maximum Doppler frequency of 0.1 Hz.
Keyword (in Japanese) (See Japanese page) 
(in English) NOMA / SIC / TPC / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 84, RCS2024-81, pp. 311-316, June 2024.
Paper # RCS2024-81 
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 RCS2024-81

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) Study on Transmit Power Control Schemes for UL-NOMA Systems 
Sub Title (in English)  
Keyword(1) NOMA  
Keyword(2) SIC  
Keyword(3) TPC  
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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 Takeshi Matsumura  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2024-06-21 14:00:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2024-81 
Volume (vol) vol.124 
Number (no) no.84 
Page pp.311-316 
#Pages 6 
Date of Issue 2024-06-12 (RCS) 

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