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Paper Abstract and Keywords
Presentation 2026-03-04 16:55
Correlation Range Optimization for Partial Correlation Detection in Asynchronous NOMA
Tomonari Kurayama, Teruyuki Miyajima (Ibaraki Univ.) RCS2025-271
Abstract (in Japanese) (See Japanese page) 
(in English) In this article, we propose a method to enhance the downlink performance of asynchronous NOMA (ANOMA: Asynchronous Non-Orthogonal Multiple Access).
The proposed method optimizes the correlation range of the correlation detector to fully exploit the temporal offset between the desired signal and the inter-user interference introduced by asynchronous transmission.
This partial-correlation detection technique suppresses interference components while enhancing the desired signal components, thereby improving the signal-to-interference-plus-noise ratio for users that do not employ successive interference cancellation.
Furthermore, to maximize the sum rate, we propose an alternating optimization algorithm that jointly optimizes the correlation range and power allocation.
Numerical simulation results demonstrate that the proposed method achieves a higher sum rate compared with conventional ANOMA.
Keyword (in Japanese) (See Japanese page) 
(in English) NOMA / asynchronous NOMA / inter-user interference / partial correlation detection / power allocation / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 387, RCS2025-271, pp. 73-78, March 2026.
Paper # RCS2025-271 
Date of Issue 2026-02-25 (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 RCS2025-271

Conference Information
Committee RCS SR SRW  
Conference Date 2026-03-04 - 2026-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo University of Science 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2026-03-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Correlation Range Optimization for Partial Correlation Detection in Asynchronous NOMA 
Sub Title (in English)  
Keyword(1) NOMA  
Keyword(2) asynchronous NOMA  
Keyword(3) inter-user interference  
Keyword(4) partial correlation detection  
Keyword(5) power allocation  
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1st Author's Name Tomonari Kurayama  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Teruyuki Miyajima  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
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Speaker Author-1 
Date Time 2026-03-04 16:55:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2025-271 
Volume (vol) vol.125 
Number (no) no.387 
Page pp.73-78 
#Pages 6 
Date of Issue 2026-02-25 (RCS) 

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