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Paper Abstract and Keywords
Presentation 2017-07-21 11:05
A Study on PAPR Reduction for MU-MIMO using Blind Selected Mapping
Amnart Boonkajay, Fumiyuki Adachi (Tohoku Univ.) RCS2017-135
Abstract (in Japanese) (See Japanese page) 
(in English) Peak-to-average power ratio (PAPR) of single-carrier (SC) waveform in multi-user multiple-input multiple-output (MU-MIMO) uplink transmission becomes higher than that of single-antenna transmission due to the use of transmit filtering. An antenna-wise selected mapping (SLM) can effectively lower the PAPR of MIMO uplink transmit signal waveform, but side-information transmission is mandatory. In this paper, we study an SLM without side-information transmission (called blind SLM) for SC-MU-MIMO uplink with MMSE-SVD which uses singular value decomposition (SVD) transmit filtering and minimum mean-square error (MMSE) receive filtering. To realize a simple data detection without side-information, we recommend that the phase rotation sequence multiplication should be applied to transmit data streams before applying the transmit filtering (called stream-wise SLM). Phase rotation sequence selection is done so as to minimize the maximum instantaneous PAPR associated with all transmit antennas. At the receiver, the phase rotation sequence estimation is done for each user’s data streams after applying the receive filtering. Simulation results confirm that the stream-wise blind SLM for uplink MMSE-SVD can effectively reduce the PAPR of transmit waveforms, while there is no significant bit-error rate (BER) degradation although the data detection is carried out without side-information.
Keyword (in Japanese) (See Japanese page) 
(in English) MU-MIMO / peak-to-average power ratio (PAPR) / selected mapping (SLM) / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 132, RCS2017-135, pp. 215-220, July 2017.
Paper # RCS2017-135 
Date of Issue 2017-07-12 (RCS) 
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)
Download PDF RCS2017-135

Conference Information
Committee NS ASN RCC RCS SR  
Conference Date 2017-07-19 - 2017-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Distributed Network, M2M (Machine-to-Machine), D2D (Device-to-Device)，etc. 
Paper Information
Registration To RCS 
Conference Code 2017-07-NS-ASN-RCC-RCS-SR 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on PAPR Reduction for MU-MIMO using Blind Selected Mapping 
Sub Title (in English)  
Keyword(1) MU-MIMO  
Keyword(2) peak-to-average power ratio (PAPR)  
Keyword(3) selected mapping (SLM)  
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1st Author's Name Amnart Boonkajay  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Fumiyuki Adachi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2017-07-21 11:05:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2017-135 
Volume (vol) vol.117 
Number (no) no.132 
Page pp.215-220 
#Pages 6 
Date of Issue 2017-07-12 (RCS) 

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