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| Presentation | 2022-10-19 09:30 [Poster Presentation] Performance Improvement of Distance Direction in Two-Dimensional Estimation of Arriving Angle and Distance by Compressed Sensing Kazuma Hara, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.)  AP2022-111 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In a multipath fading environment, a technique to estimate received signal at remote location has been studied. By the technique, received signal at a distant point beyond the correlation distance of the fading can be estimated. To realize the estimation, it is necessary to estimate the complex amplitude and source location of the multiple arriving multipath waves. For this estimation, we adopted the FISTA algorithm which is one of the compressed sensing techniques. However, by the existing FISTA, the distance estimation error of the arriving wave coming from distant sources increases because of the attenuation caused by the path length of the arriving waves. As the result, the wave source detection itself becomes difficult. To improve the estimation performance, we propose a method of decreasing the threshold value of the soft decision threshold function in the FISTA process in proportion to the distance of the wave source. This method has resulted in improved accuracy, especially in the distance estimation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Compressed sensing / FISTA / Estimation of received signal / Estimation of arriving waves / Multipath fading / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 214, AP2022-111, pp. 78-79, Oct. 2022. | |
| Paper # | AP2022-111 | |
| Date of Issue | 2022-10-12 (AP) | |
| 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 | AP2022-111 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2022-10-19 - 2022-10-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | GIFU CITY CULTURE CENTER |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Student Session, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2022-10-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Improvement of Distance Direction in Two-Dimensional Estimation of Arriving Angle and Distance by Compressed Sensing |
| Sub Title (in English) | |
| Keyword(1) | Compressed sensing |
| Keyword(2) | FISTA |
| Keyword(3) | Estimation of received signal |
| Keyword(4) | Estimation of arriving waves |
| Keyword(5) | Multipath fading |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazuma Hara |
| 1st Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 2nd Author's Name | Hisato Iwai |
| 2nd Author's Affiliation | Doshisha University (Doshisha Univ.) |
| 3rd Author's Name | Shinsuke Ibi |
| 3rd Author's Affiliation | Doshisha University (Doshisha Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-10-19 09:30:00 |
| Presentation Time | 120 minutes |
| Registration for | AP |
| Paper # | AP2022-111 |
| Volume (vol) | vol.122 |
| Number (no) | no.214 |
| Page | pp.78-79 |
| #Pages | 2 |
| Date of Issue | 2022-10-12 (AP) |
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