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| Presentation | 2022-11-15 10:20 A Study on Performance Improvement of Uplink Multi-User Chaos MIMO Transmission Scheme Kenta Kato, Keisuke Asano, Takumi Abe, Yuki Mori, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic)  RCS2022-157 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Internet of things (IoT) terminals have spread rapidly in recent years, and multi-user multiple-input multiple-output (MIMO) transmission has attracted attention in order to accommodate their communication. Furthermore, cybercrimes are increasing year by year, and it is important to enhance the confidentiality of wireless communications. To achieve both demands, we have proposed a multi-user chaos MIMO transmission scheme (MU-C-MIMO) that incorporates chaos modulation, which is a technique for encryption at the physical layer, into multi-user MIMO transmission. The uplink MU-C-MIMO transmission uses Gaussian belief propagation (GaBP) as a decoding method, but the configuration of GaBP in the conventional receiver is not optimized for chaos modulation, resulting in the performance degradation. In this paper, we propose a new decoding method that improves the signal processing at the receiver side of MU-C-MIMO receiver suitable for chaos modulation. The proposed method improves the error floor region of bit error rate characteristics from $10^{-2}$ to $10^{-5}$ in high $E_b$/$N_0$ region compared to the conventional method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Internet of things / multiple-input multiple-output / multi-user / chaos modulation / Gaussian belief propagation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 252, RCS2022-157, pp. 13-18, Nov. 2022. | |
| Paper # | RCS2022-157 | |
| Date of Issue | 2022-11-08 (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 | RCS2022-157 |
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| Conference Information | |
| Committee | RCS AP UWT |
| Conference Date | 2022-11-15 - 2022-11-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyushu University, and Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2022-11-RCS-AP-UWT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Performance Improvement of Uplink Multi-User Chaos MIMO Transmission Scheme |
| Sub Title (in English) | |
| Keyword(1) | Internet of things |
| Keyword(2) | multiple-input multiple-output |
| Keyword(3) | multi-user |
| Keyword(4) | chaos modulation |
| Keyword(5) | Gaussian belief propagation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenta Kato |
| 1st Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 2nd Author's Name | Keisuke Asano |
| 2nd Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 3rd Author's Name | Takumi Abe |
| 3rd Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 4th Author's Name | Yuki Mori |
| 4th Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 5th Author's Name | Eiji Okamoto |
| 5th Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 6th Author's Name | Tetsuya Yamamoto |
| 6th Author's Affiliation | Panasonic Holdings Corporation (Panasonic) |
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| Speaker | Author-1 |
| Date Time | 2022-11-15 10:20:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2022-157 |
| Volume (vol) | vol.122 |
| Number (no) | no.252 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2022-11-08 (RCS) |
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