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Paper Abstract and Keywords
Presentation 2025-12-18 10:05
[Encouragement Talk] Determinantal Point Process-Based User Selection and Parameter Learning for Uplink Multi-Cell NOMA
Haruka Sakagawa, Tatsuaki Kimura (Doshisha Univ.) NS2025-152
Abstract (in Japanese) (See Japanese page) 
(in English) Non-orthogonal multiple access (NOMA), which multiplexes users over the same wireless resources such as powerdomain, has attracted considerable attention for its potential to enhance network capacity in next-generation wireless systems. The NOMA user selection problem, which involves optimizing the multiplexing of user groups while accounting for user interference, is generally NP-hard, making the development of efficient methods a significant challenge. This study proposes an efficient user selection method based on determinant point processes (DPP) for uplink multi-cell NOMA networks. Furthermore, we propose a method for automatically learning the parameters of the kernel matrix used in DPP from the data. Simulation evaluations using artificial data demonstrate that the proposed method can efficiently improve communication performance.
Keyword (in Japanese) (See Japanese page) 
(in English) non-orthogonal multiple access (NOMA) / determinantal point process (DPP) / user selection / multi-cell environment / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 301, NS2025-152, pp. 13-18, Dec. 2025.
Paper # NS2025-152 
Date of Issue 2025-12-11 (NS) 
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 NS2025-152

Conference Information
Committee NS RCS  
Conference Date 2025-12-18 - 2025-12-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukui International Activities Plaza + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc. 
Paper Information
Registration To NS 
Conference Code 2025-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Determinantal Point Process-Based User Selection and Parameter Learning for Uplink Multi-Cell NOMA 
Sub Title (in English)  
Keyword(1) non-orthogonal multiple access (NOMA)  
Keyword(2) determinantal point process (DPP)  
Keyword(3) user selection  
Keyword(4) multi-cell environment  
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1st Author's Name Haruka Sakagawa  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Tatsuaki Kimura  
2nd Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2025-12-18 10:05:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2025-152 
Volume (vol) vol.125 
Number (no) no.301 
Page pp.13-18 
#Pages 6 
Date of Issue 2025-12-11 (NS) 

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