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| Presentation | 2021-12-13 09:00 [Poster Presentation] Demodulation using high order moments for multiple amplitude modulation signals on a stochastic resonance receiver with a few-bit ADC Akihiko Tatematsu, Hiroyuki Hatano, Kosuke Sanada, Kazuo Mori (Mie Univ.), Hiroya Tanaka (Toyota Central R & D Labs), Yukihiro Tadokoro (TRINA)  WBS2021-38 ITS2021-12 RCC2021-45 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The use of a higher frequency range up to sub-terahertz causes a significant restriction on devices. Analog-to-digital converter (ADC), which is one of the key components in the RF front end, is required to be designed with a reduced number of the resolution at the input, even with a few bits. To decompress the nonlinear behavior of the device with this limited number, exploiting the nonlinear phenomenon of Stochastic resonance (SR) has been discussed, particularly on 1-bit ADC to demodulate the 4-PAM signal. Here, we provide a simple demodulation method designed for the SR-based receiver with the few-bit ADC. We show that due to the multi-level output in the few-bit ADC, a complicated calculation of the likelihood function, which follows multinomial distribution, is needed. To avoid such a calculation, we introduce the use of higher-order moments. Based on this concept, we also propose the simple method utilizing the first moment, which does not need to calculate higher-order moments. By numerically evaluating the two proposed methods, the simple method can achieve the same performance with higher-order moments in a specific range of the signal-to-noise ratio. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | few-bit analog to digital converter / stochastic resonance / moments / symbol decision / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 296, ITS2021-12, pp. 22-27, Dec. 2021. | |
| Paper # | ITS2021-12 | |
| Date of Issue | 2021-12-06 (WBS, ITS, RCC) | |
| 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 | WBS2021-38 ITS2021-12 RCC2021-45 |
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| Conference Information | |
| Committee | WBS RCC ITS |
| Conference Date | 2021-12-13 - 2021-12-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ITS |
| Conference Code | 2021-12-WBS-RCC-ITS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Demodulation using high order moments for multiple amplitude modulation signals on a stochastic resonance receiver with a few-bit ADC |
| Sub Title (in English) | |
| Keyword(1) | few-bit analog to digital converter |
| Keyword(2) | stochastic resonance |
| Keyword(3) | moments |
| Keyword(4) | symbol decision |
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| 1st Author's Name | Akihiko Tatematsu |
| 1st Author's Affiliation | Mie University (Mie Univ.) |
| 2nd Author's Name | Hiroyuki Hatano |
| 2nd Author's Affiliation | Mie University (Mie Univ.) |
| 3rd Author's Name | Kosuke Sanada |
| 3rd Author's Affiliation | Mie University (Mie Univ.) |
| 4th Author's Name | Kazuo Mori |
| 4th Author's Affiliation | Mie University (Mie Univ.) |
| 5th Author's Name | Hiroya Tanaka |
| 5th Author's Affiliation | Toyota Central R&D LABS., INC. (Toyota Central R & D Labs) |
| 6th Author's Name | Yukihiro Tadokoro |
| 6th Author's Affiliation | Toyota Research Institute of North America (TRINA) |
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| Speaker | Author-1 |
| Date Time | 2021-12-13 09:00:00 |
| Presentation Time | 90 minutes |
| Registration for | ITS |
| Paper # | WBS2021-38, ITS2021-12, RCC2021-45 |
| Volume (vol) | vol.121 |
| Number (no) | no.295(WBS), no.296(ITS), no.297(RCC) |
| Page | pp.22-27 |
| #Pages | 6 |
| Date of Issue | 2021-12-06 (WBS, ITS, RCC) |
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