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| Presentation | 2022-09-15 10:10 A reference signal distribution system with analog phase shifter for suppressing phase fluctuations of transmission line Kae Morita, Jun Shimokawatoko, Osamu Wada, Hiroyuki Mizutani, Hideyuki Nakamizo (Mitsubishi Electric)  MW2022-72 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In a distributed phased array system, it is necessary to distribute a stable reference signal among multiple antenna modules for ensuring cooperation and synchronization. In this paper, we propose a reference signal distribution system with an analog phase shifter for suppressing the phase fluctuations occurring during transmission, caused by transmission line vibrations. The proposed system uses an analog phase shifter that can continuously vary the phase and has a phase control dynamic range sufficient to suppress the phase fluctuations. The proposed system detects phase fluctuations in the transmission line by using reflected signals from antenna modules, and cancels them by applying antiphase fluctuations to the reference signal using the analog phase shifter. We derived a calculation method for determining the suppression level with respect to the phase fluctuation frequencies, and this method was validated by the measurement results. The results also demonstrated the performance of the proposed system because it was able to achieve a phase fluctuation suppression level of 1/50 at a phase fluctuation frequency of 1 kHz. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | phased array antenna / phase synchronization / analog phase shifter / phase stabilization / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 183, MW2022-72, pp. 20-24, Sept. 2022. | |
| Paper # | MW2022-72 | |
| Date of Issue | 2022-09-07 (MW) | |
| 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 | MW2022-72 |
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| Conference Information | |
| Committee | AP MW |
| Conference Date | 2022-09-14 - 2022-09-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | The Museum of Art, EHIME |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave, Millimeter wave |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2022-09-AP-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A reference signal distribution system with analog phase shifter for suppressing phase fluctuations of transmission line |
| Sub Title (in English) | |
| Keyword(1) | phased array antenna |
| Keyword(2) | phase synchronization |
| Keyword(3) | analog phase shifter |
| Keyword(4) | phase stabilization |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kae Morita |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 2nd Author's Name | Jun Shimokawatoko |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 3rd Author's Name | Osamu Wada |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 4th Author's Name | Hiroyuki Mizutani |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 5th Author's Name | Hideyuki Nakamizo |
| 5th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
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| Speaker | Author-1 |
| Date Time | 2022-09-15 10:10:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2022-72 |
| Volume (vol) | vol.122 |
| Number (no) | no.183 |
| Page | pp.20-24 |
| #Pages | 5 |
| Date of Issue | 2022-09-07 (MW) |
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