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Paper Abstract and Keywords
Presentation 2021-06-21 10:50
Highly-efficient Reception Methods for 5G System Using Universal Time-domain Windowed OFDM System
Yuu Ichikawa, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.) SRW2021-5
Abstract (in Japanese) (See Japanese page) 
(in English) To improve the spectral efficiency of the 5th generation mobile communication system (5G) and beyond, the universal time-domain windowed orthogonal frequency division multiplexing (UTW-OFDM) has been proposed. Particularly, the simplified UTW-OFDM is highly compatible with the conventional CP-OFDM. It can strongly suppress out-of-band emission (OOBE) with a simple configuration of multiplying a time window with a long transition length. However, in the UTW-OFDM, multiplication of the time window causes inter-carrier interference (ICI), which degrades the communication quality, especially for higher-order modulation schemes such as 64QAM. In this report, firstly we investigate the applicability of the simplified UTW-OFDM to the 5G. Next, a method is proposed to cancel the ICI caused by the UTW in 5G. In the proposed method, an optimal ICI cancellation weight is designed by taking the noise enhancement suppression into account. The proposed method improves the communication quality while achieving a stronger OOBE suppression.
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / OFDM / Universal time-domain window / Out-of-band emission / ICI cancellation / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 70, SRW2021-5, pp. 25-30, June 2021.
Paper # SRW2021-5 
Date of Issue 2021-06-14 (SRW) 
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 SRW  
Conference Date 2021-06-21 - 2021-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) WLAN, WPAN, Ad-hoc, mmWave, etc. 
Paper Information
Registration To SRW 
Conference Code 2021-06-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Highly-efficient Reception Methods for 5G System Using Universal Time-domain Windowed OFDM System 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) OFDM  
Keyword(3) Universal time-domain window  
Keyword(4) Out-of-band emission  
Keyword(5) ICI cancellation  
1st Author's Name Yuu Ichikawa  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Keiichi Mizutani  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Hiroshi Harada  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Date Time 2021-06-21 10:50:00 
Presentation Time 25 
Registration for SRW 
Paper # IEICE-SRW2021-5 
Volume (vol) IEICE-121 
Number (no) no.70 
Page pp.25-30 
#Pages IEICE-6 
Date of Issue IEICE-SRW-2021-06-14 

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