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Paper Abstract and Keywords
Presentation 2021-06-25 09:20
QoS-aware Low-complexity User Pairing Based on Compressed Sensing in Downlink NOMA
Tomofumi Makita, Osamu Muta (Kyushu Univ.) RCS2021-63
Abstract (in Japanese) (See Japanese page) 
(in English) Downlink non-orthogonal multiple access (NOMA) systems with successive interference cancellation requires an effective user paring strategy that assigns proper user-pair to the same resource block. In this paper, we propose a quality-of-service (QoS)-aware low complexity compressed sensing (CS)-based user pairing and power allocation scheme for downlink NOMA systems, where the tolerable interference threshold is mathematically designed to achieve a given QoS requirement. Based on the fact that selecting a user-pair among all users is treated as a `sparse' situation, joint user pairing and power allocation problem is relaxed to $l1$ norm optimization problem under a QoS constraint based on the tolerable interference threshold, which can be solved by general CS algorithm. Simulation results show that the proposed scheme is effective in improving user-rate compared with other reference schemes while the QoS requirement is approximately satisfied as long as the required QoS value is feasible.
Keyword (in Japanese) (See Japanese page) 
(in English) Non-orthogonal multiple access (NOMA) / user pairing / power allocation / compressed sensing / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 72, RCS2021-63, pp. 196-201, June 2021.
Paper # RCS2021-63 
Date of Issue 2021-06-16 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee RCS  
Conference Date 2021-06-23 - 2021-06-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
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 2021-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) QoS-aware Low-complexity User Pairing Based on Compressed Sensing in Downlink NOMA 
Sub Title (in English)  
Keyword(1) Non-orthogonal multiple access (NOMA)  
Keyword(2) user pairing  
Keyword(3) power allocation  
Keyword(4) compressed sensing  
1st Author's Name Tomofumi Makita  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Osamu Muta  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
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Date Time 2021-06-25 09:20:00 
Presentation Time 10 
Registration for RCS 
Paper # RCS2021-63 
Volume (vol) 121 
Number (no) no.72 
Page pp.196-201 
Date of Issue 2021-06-16 (RCS) 

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