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| Presentation | 2018-10-19 13:55 [Invited Lecture] Analysis on the Performance of Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for Massive MIMO-OFDM Signals Kenichi Higuchi (Tokyo Univ. of Science)  RCS2018-172 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper analyzes the impact of the applied beamforming (BF) method on the performance of our previously reported adaptive peak-to-average power ratio (PAPR) reduction method using the null space in multiple-input multiple-output (MIMO) channel for MIMO-orthogonal frequency division multiplexing (OFDM) signals. The adaptive PAPR reduction method using null space in MIMO channel can mitigate the data throughput degradation due to the interference from the PAPR reduction signal generated by the clipping and filtering (CF) algorithm, by restricting the transmission of PAPR reduction signal only to the null space in MIMO channel. Our previous investigation quantitatively revealed that the effect of the proposed PAPR reduction method is large when eigenmode MIMO is used as BF method compared to the case where zero forcing (ZF)-based BF is applied. Furthermore, the use of frequency-selective BF, where different BF matrices are applied to different frequency blocks, increases the performance gain of the proposed PAPR reduction method. This paper investigated several reasons for these phenomena, and discuss appropriate BF strategy to enhance the effect of the adaptive PAPR reduction method using null space in MIMO channel. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | PAPR / OFDM / MIMO / Massive MIMO / Beamforming / Clipping and filtering / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 254, RCS2018-172, pp. 115-120, Oct. 2018. | |
| Paper # | RCS2018-172 | |
| Date of Issue | 2018-10-11 (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 | RCS2018-172 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2018-10-18 - 2018-10-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Communication Schemes, Wireless Communication Systems, Wireless Standards, Future Wireless Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2018-10-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis on the Performance of Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for Massive MIMO-OFDM Signals |
| Sub Title (in English) | |
| Keyword(1) | PAPR |
| Keyword(2) | OFDM |
| Keyword(3) | MIMO |
| Keyword(4) | Massive MIMO |
| Keyword(5) | Beamforming |
| Keyword(6) | Clipping and filtering |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenichi Higuchi |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
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| Speaker | Author-1 |
| Date Time | 2018-10-19 13:55:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2018-172 |
| Volume (vol) | vol.118 |
| Number (no) | no.254 |
| Page | pp.115-120 |
| #Pages | 6 |
| Date of Issue | 2018-10-11 (RCS) |
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