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Paper Abstract and Keywords
Presentation 2026-05-14 09:55
A Study on Precoder Design for Distortion Compensation Signals in Massive MIMO-OFDM with Peak Cancellation
Kiyoaki Inada, Zhuoran Li, Osamu Muta (Kyushu Univ.) RCS2026-14
Abstract (in Japanese) (See Japanese page) 
(in English) In massive MIMO-OFDM systems, a peak cancellation technique with in-band distortion compensation has been proposed to reduce the peak-to-average power ratio (PAPR). In this approach, in-band distortion-compensation signals are transmitted using a subset of transmit antennas, so that each user can receive distortion-free information signals. However, when the distortion compensation signals are affected by nonlinear distortion in the power amplifier, the distortion compensation performance is significantly degraded. In this paper, to address this problem, we propose an in-band distortion-aware MMSE precoding scheme for the distortion-compensation signals to improve the compensation performance.
The achieved performance of the proposed method is evaluated using computer simulations for cases in which linear and nonlinear precoding (THP) are applied to the information signals. The results show that, compared with the conventional method, the proposed method effectively improves the bit error rate (BER) and the average user rate, and reduces the required number of distortion-compensation antennas.
Keyword (in Japanese) (See Japanese page) 
(in English) massive MIMO / OFDM / PAPR / peak cancellation (PC) / in-band distortion compensation / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 23, RCS2026-14, pp. 7-12, May 2026.
Paper # RCS2026-14 
Date of Issue 2026-05-07 (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 RCS2026-14

Conference Information
Committee IN RCS NV  
Conference Date 2026-05-14 - 2026-05-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima City University Satellite Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Ad-Hoc/Sensor Networks/MANET, Mobile Networks, M2M/IoT Communications, Wi-Fi, IEEE802.15(ZigBee) and others 
Paper Information
Registration To RCS 
Conference Code 2026-05-IN-RCS-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Precoder Design for Distortion Compensation Signals in Massive MIMO-OFDM with Peak Cancellation 
Sub Title (in English)  
Keyword(1) massive MIMO  
Keyword(2) OFDM  
Keyword(3) PAPR  
Keyword(4) peak cancellation (PC)  
Keyword(5) in-band distortion compensation  
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1st Author's Name Kiyoaki Inada  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Zhuoran Li  
2nd Author's Affiliation Kyushu University (Kyushu Univ.)
3rd Author's Name Osamu Muta  
3rd Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2026-05-14 09:55:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2026-14 
Volume (vol) vol.126 
Number (no) no.23 
Page pp.7-12 
#Pages 6 
Date of Issue 2026-05-07 (RCS) 

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