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Paper Abstract and Keywords
Presentation 2024-06-20 15:40
Adaptive Interference Control Among Spatial Streams Based on Difference in Singular Values for PAPR Reduction in Uplink Eigenmode Massive MIMO Transmission
Yuta Abekura, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2024-65
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose an adaptive interference control among spatial streams based on difference in singular values for a peak-to-average power ratio (PAPR) reduction method in uplink eigenmode massive multiple-input multiple-output (MIMO) transmission. The conventional method suppresses deterioration of the data transmission performance due to the interference by concentrating the in-band PAPR reduction signal from clipping and filtering (CF) on spatial streams with relatively small singular values. However, the conventional method does not guarantee the transmission quality of the spatial streams to which the interference due to in-band PAPR reduction signal is allowed. The proposed method adaptively restricts the amount of the interference from the in-band PAPR reduction signal permitted in respective spatial streams so that the required transmission quality is satisfied based on singular values in spatial streams. Since spatial streams that have large singular values are susceptible to interference, the proposed method performs the more appropriate PAPR reduction in terms of the data transmission performance of the data signal allowing the interference in the data streams by arranging the interference control assuring the constant transmission quality. Simulations show that the proposed method improves the data transmission performance after PAPR reduction compared to the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) PAPR / Uplink / MIMO / Eigenmode MIMO / OFDM / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 84, RCS2024-65, pp. 221-228, June 2024.
Paper # RCS2024-65 
Date of Issue 2024-06-12 (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)
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Conference Information
Committee RCS  
Conference Date 2024-06-19 - 2024-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2024-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive Interference Control Among Spatial Streams Based on Difference in Singular Values for PAPR Reduction in Uplink Eigenmode Massive MIMO Transmission 
Sub Title (in English)  
Keyword(1) PAPR  
Keyword(2) Uplink  
Keyword(3) MIMO  
Keyword(4) Eigenmode MIMO  
Keyword(5) OFDM  
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Keyword(8)  
1st Author's Name Yuta Abekura  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Takanori Hara  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Satoshi Suyama  
3rd Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO)
4th Author's Name Satoshi Nagata  
4th Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO)
5th Author's Name Kenichi Higuchi  
5th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2024-06-20 15:40:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2024-65 
Volume (vol) vol.124 
Number (no) no.84 
Page pp.221-228 
#Pages 8 
Date of Issue 2024-06-12 (RCS) 

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