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Paper Abstract and Keywords
Presentation 2018-01-26 15:15
Evaluation of Channel Capacity for Downlink Non-Orthogonal Multiple Access (NOMA) with Imperfect SIC
Kenta Mayama, Kohei Akimoto, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.) SR2017-109
Abstract (in Japanese) (See Japanese page) 
(in English) Non-orthogonal multiple access (NOMA) has recently been considered as downlink multiple access scheme to realize large-capacity communication system for 5th generation mobile communication systems (5G). In the situation of two users non-orthogonal multiple access, the near-base-station user equipment (UE) firstly removes signal of the cell-edge UE from total received signal by using successive interference cancellation (SIC), and then demodulates the desired signal. In the previous research, the capacity of the near-base-station UE is evaluated on the assumption that the UE removes the interference signal perfectly. However, the reception characteristics of the UE is remarkably deteriorated if the UE fails to remove the interference signal and generates the residual interference power. In this paper, we evaluate the condition of the generation of the residual interference power and propose an evaluation method of the channel capacity with imperfect SIC, where the near-base-station UE and cell-edge UE are applied by 16 quadrature amplitude modulation (16QAM) and quadrature phase shift keying (QPSK), respectably. The results of simulation quantitatively show the increase of the signal-to-noise ratio (SNR) criterion to achieve a certain channel capacity. The proposed evaluation method makes it possible to evaluate the channel capacity with imperfect SIC.
Keyword (in Japanese) (See Japanese page) 
(in English) Non-orthogonal multiple access / Interference rejection / Residual interference power / 5th generation mobile communication systems (5G) / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 410, SR2017-109, pp. 91-96, Jan. 2018.
Paper # SR2017-109 
Date of Issue 2018-01-18 (SR) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 SR  
Conference Date 2018-01-25 - 2018-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukuoka univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) IoT, etc. 
Paper Information
Registration To SR 
Conference Code 2018-01-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Channel Capacity for Downlink Non-Orthogonal Multiple Access (NOMA) with Imperfect SIC 
Sub Title (in English)  
Keyword(1) Non-orthogonal multiple access  
Keyword(2) Interference rejection  
Keyword(3) Residual interference power  
Keyword(4) 5th generation mobile communication systems (5G)  
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1st Author's Name Kenta Mayama  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Kohei Akimoto  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Suguru Kameda  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Noriharu Suematsu  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker
Date Time 2018-01-26 15:15:00 
Presentation Time 25 
Registration for SR 
Paper # IEICE-SR2017-109 
Volume (vol) IEICE-117 
Number (no) no.410 
Page pp.91-96 
#Pages IEICE-6 
Date of Issue IEICE-SR-2018-01-18 


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