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Paper Abstract and Keywords
Presentation 2017-11-10 10:50
Adaptive Coding for Uplink Non-Orthogonal Multiple Access based on MIMO-OFDM with Super-Orthogonal Convolutional Codes
Yuta Hori, Hideki Ochiai (YNU) RCS2017-241
Abstract (in Japanese) (See Japanese page) 
(in English) The combination of low-rate channel coding with simple decoder and non-orthogonal multiple access is promising in order to simultaneously achieve low latency and high reliability without sacrificing spectral efficiency. When the non-orthogonal multiple access scheme is employed in the uplink of a cellular network in which each user is subject to different propagation loss depending on its distance from the base station (BS), the error rate performance of the user located far from the BS is significantly degraded due to strong interference by the user closer to the BS. In this paper, we consider an uplink non-orthogonal multiple access scheme based on MIMO-OFDM with super-orthogonal convolutional code (SOCC) which is a class of low-rate convolutional code, and propose an adaptive coding algorithm that assigns suitable constraint length to each user in order to improve the performance of the users located in the cell edge. Numerical results demonstrate that our system with the proposed algorithm outperforms the conventional orthogonal multiple access scheme in terms of reliability and spectral efficiency.
Keyword (in Japanese) (See Japanese page) 
(in English) uplink non-orthogonal multiple access / super-orthogonal convolutional code / adaptive coding / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 284, RCS2017-241, pp. 209-214, Nov. 2017.
Paper # RCS2017-241 
Date of Issue 2017-11-01 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 RCS2017-241

Conference Information
Committee AP RCS  
Conference Date 2017-11-08 - 2017-11-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukuoka University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2017-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive Coding for Uplink Non-Orthogonal Multiple Access based on MIMO-OFDM with Super-Orthogonal Convolutional Codes 
Sub Title (in English)  
Keyword(1) uplink non-orthogonal multiple access  
Keyword(2) super-orthogonal convolutional code  
Keyword(3) adaptive coding  
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1st Author's Name Yuta Hori  
1st Author's Affiliation Yokohama National University (YNU)
2nd Author's Name Hideki Ochiai  
2nd Author's Affiliation Yokohama National University (YNU)
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Speaker Author-1 
Date Time 2017-11-10 10:50:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2017-241 
Volume (vol) vol.117 
Number (no) no.284 
Page pp.209-214 
#Pages 6 
Date of Issue 2017-11-01 (RCS) 

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