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Paper Abstract and Keywords
Presentation 2017-06-12 10:50
A UTW-OFDM without Symbol Overlapping for Short-delay Multipath Environment
Akihito Yoshito, Yosuke Kodama, Hiroto Kuriki, Keiichi Mizutani, Takeshi Matsumura, Hiroshi Harada (Kyoto Univ.) SRW2017-2
Abstract (in Japanese) (See Japanese page) 
(in English) A universal time-domain windowed orthogonal frequency division multiplexing (UTW-OFDM) is proposed as a new waveform to strongly reduce out-of-band emission for the 5th generation mobile communication systems (5G). In this UTW-OFDM, overlap margins are prefixed and suffixed to cyclic prefix-based OFDM symbols, and then extended symbols are multiplied by long time-domain window and overlapped with successive symbols to ensure the effective CP length. Meanwhile, small cells densely deployed as a part of 5G heterogeneous networks allows the reduction of the effective CP length due to the short-delay multipath environment. In this report, we propose a UTW-OFDM enabling the simplification of the transmitter architecture compared to the conventional UTW-OFDM by omitting overlap margins and symbol overlapping. The performance of this scheme is evaluated by simulating the characteristics such as out-of-band emission, error vector magnitude (EVM) and block error rate (BLER) with 5 MHz LTE downlink parameters with using the 3GPP Extended Pedestrian A (EPA) channel model assuming the short-delay multipath environment.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM / UTW-OFDM / Out-of-band emission reduction / Time-domain windowing / LTE / 5G / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 84, SRW2017-2, pp. 5-10, June 2017.
Paper # SRW2017-2 
Date of Issue 2017-06-05 (SRW) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee SRW  
Conference Date 2017-06-12 - 2017-06-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Fujitsu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) WLAN, WPAN, Ad-hoc, mmWave, etc. 
Paper Information
Registration To SRW 
Conference Code 2017-06-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A UTW-OFDM without Symbol Overlapping for Short-delay Multipath Environment 
Sub Title (in English)  
Keyword(1) OFDM  
Keyword(2) UTW-OFDM  
Keyword(3) Out-of-band emission reduction  
Keyword(4) Time-domain windowing  
Keyword(5) LTE  
Keyword(6) 5G  
Keyword(7)  
Keyword(8)  
1st Author's Name Akihito Yoshito  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Yosuke Kodama  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Hiroto Kuriki  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Keiichi Mizutani  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
5th Author's Name Takeshi Matsumura  
5th Author's Affiliation Kyoto University (Kyoto Univ.)
6th Author's Name Hiroshi Harada  
6th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2017-06-12 10:50:00 
Presentation Time 25 minutes 
Registration for SRW 
Paper # SRW2017-2 
Volume (vol) vol.117 
Number (no) no.84 
Page pp.5-10 
#Pages 6 
Date of Issue 2017-06-05 (SRW) 

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