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| Presentation | 2018-07-12 09:30 Evaluation of Reception Performance Considering Error Vector Magnitude for Downlink Non-Orthogonal Multiple Access Kenta Mayama, Kohei Akimoto, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.)  RCS2018-91 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we investigate the reception performances considering the influence of the error vector magnitude (EVM) of a transmit signal in the downlink non-orthogonal multiple access (NOMA) with two users. The motivation of this work is to clarify the impact of the distortion of the transmit signal, which is expressed as the EVM, on the reception performance due to the radio frequency (RF) imperfections of the transmitter, such as a nonlinearity of the power amplifier and a phase noise of the oscillator. Results show that the performance of the near-base-station user equipment (UE), which implements a successive interference cancellation (SIC), is deteriorated by the EVM, and that the amount of the deterioration rapidly increases as the modulation level is higher. In contrast, the performance of the far-base-station UE, which does not implement SIC, is less affected by the EVM. Moreover, from the evaluation result of the throughput versus received signal to noise ratio (SNR) performance, it is shown that the desired throughput cannot be achieved at EVM 7% when 64 quadrature amplitude modulation (QAM) is applied to the near-base-station UE. Accordingly, a high-quality RF transmitter will be required for the introduction of NOMA to the next generation mobile communication system. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | NOMA / Downlink / SIC / EVM / AMC / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 125, RCS2018-91, pp. 69-74, July 2018. | |
| Paper # | RCS2018-91 | |
| Date of Issue | 2018-07-04 (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 | RCS2018-91 |
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| Conference Information | |
| Committee | ASN NS RCS SR RCC |
| Conference Date | 2018-07-11 - 2018-07-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hakodate Arena |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Distributed Network, Machine Learning and AI for Wireless Communications and Networks, M2M (Machine-to-Machine), D2D (Device-to-Device), IoT（Internet of Things）, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2018-07-ASN-NS-RCS-SR-RCC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation of Reception Performance Considering Error Vector Magnitude for Downlink Non-Orthogonal Multiple Access |
| Sub Title (in English) | |
| Keyword(1) | NOMA |
| Keyword(2) | Downlink |
| Keyword(3) | SIC |
| Keyword(4) | EVM |
| Keyword(5) | AMC |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenta Mayama |
| 1st Author's Affiliation | Tohoku Universty (Tohoku Univ.) |
| 2nd Author's Name | Kohei Akimoto |
| 2nd Author's Affiliation | Tohoku Universty (Tohoku Univ.) |
| 3rd Author's Name | Suguru Kameda |
| 3rd Author's Affiliation | Tohoku Universty (Tohoku Univ.) |
| 4th Author's Name | Noriharu Suematsu |
| 4th Author's Affiliation | Tohoku Universty (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-07-12 09:30:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2018-91 |
| Volume (vol) | vol.118 |
| Number (no) | no.125 |
| Page | pp.69-74 |
| #Pages | 6 |
| Date of Issue | 2018-07-04 (RCS) |
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