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Paper Abstract and Keywords
Presentation 2023-09-01 13:40
Signal design of polar coded downlink NOMA satellite communication considering PAPR constraints
Keita Ito, Yuto Hama, Hideki Ochiai (YNU) RCS2023-122
Abstract (in Japanese) (See Japanese page) 
(in English) Non-terrestrial network(NTN), consisting of high altitude platform station(HAPS) along with conventional geostationary satellites, has received significant attention in recent years. In order to achieve sufficient coverage, the signal constellation should be designed by considering the peak-to average power ratio(PAPR), which leads to nonlinear distortion by a high power amplifier. In addition, high spectral efficiency is required to provide sufficient service to users within the coverage area. Based on this background, we consider non-orthogonal multiple access(NOMA) from a geostationary satellite to a HAPS and a ground base station(BS). Since the transmitted signal of NOMA generally suffers from high PAPR due to superposition coding, we propose a PAPR reduction approach that offsets the modulation signal of each user. We demonstrate that our proposed system can effectively reduce the PAPR without degradation on the error rate performance by flexibly designing the rate of the Polar code.
Keyword (in Japanese) (See Japanese page) 
(in English) NTN / satellite communications / NOMA / Polar code / PAPR / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 172, RCS2023-122, pp. 101-106, Aug. 2023.
Paper # RCS2023-122 
Date of Issue 2023-08-24 (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 RCS2023-122

Conference Information
Committee RCS SAT  
Conference Date 2023-08-31 - 2023-09-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Naganoken Nokyo Building, and online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications, Broadcasting, Forward Error Correction, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2023-08-RCS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Signal design of polar coded downlink NOMA satellite communication considering PAPR constraints 
Sub Title (in English)  
Keyword(1) NTN  
Keyword(2) satellite communications  
Keyword(3) NOMA  
Keyword(4) Polar code  
Keyword(5) PAPR  
Keyword(6)  
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Keyword(8)  
1st Author's Name Keita Ito  
1st Author's Affiliation Yokohama National University (YNU)
2nd Author's Name Yuto Hama  
2nd Author's Affiliation Yokohama National University (YNU)
3rd Author's Name Hideki Ochiai  
3rd Author's Affiliation Yokohama National University (YNU)
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Speaker Author-1 
Date Time 2023-09-01 13:40:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2023-122 
Volume (vol) vol.123 
Number (no) no.172 
Page pp.101-106 
#Pages 6 
Date of Issue 2023-08-24 (RCS) 

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