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| Presentation | 2023-03-17 11:45 Study of DOA measurement method in multipath using rotating reflector antenna capable of measuring multiple polarizations Toshiki Hozen, Kazuma Tomimoto, Ryo Yamaguchi (Softbank)  AP2022-246 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It has been reported that the millimetre and terahertz wave bands used in next-generation communications have different human body scattering characteristics for V and H polarisations. Therefore, it is necessary to clarify the propagation characteristics of each polarisations in order to implement MIMO technology. Simultaneous measurement of V and H polarisation is time-consuming when the direction of arrival (DOA) is measured by rotating an aperture antenna, and a highspeed measurement system is required to perform this measurement regardless of the environment. The authors have proposed a fast measurement system for the direction of arrival of V and H polarisations using a rotating reflector antenna with OMT (orthomode transducers) attached to the primary radiator. In this paper, DOA measurements are performed using multiple sources of V and H polarisations and the effectiveness of the measurement system in multipath is confirmed. The measurement results show that the system can make measurements even when V and H polarisations arrive from different directions, and can discriminate between two polarisations even when they arrive from the same direction. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | DOA Measurement / Reflector Antenna / OMT(Orthomode transducers) / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 441, AP2022-246, pp. 72-75, March 2023. | |
| Paper # | AP2022-246 | |
| Date of Issue | 2023-03-09 (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 | AP2022-246 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2023-03-16 - 2023-03-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Toyama Prefectural Civic Hall |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2023-03-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of DOA measurement method in multipath using rotating reflector antenna capable of measuring multiple polarizations |
| Sub Title (in English) | |
| Keyword(1) | DOA Measurement |
| Keyword(2) | Reflector Antenna |
| Keyword(3) | OMT(Orthomode transducers) |
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| 1st Author's Name | Toshiki Hozen |
| 1st Author's Affiliation | Softbank Corp. (Softbank) |
| 2nd Author's Name | Kazuma Tomimoto |
| 2nd Author's Affiliation | Softbank Corp. (Softbank) |
| 3rd Author's Name | Ryo Yamaguchi |
| 3rd Author's Affiliation | Softbank Corp. (Softbank) |
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| Speaker | Author-1 |
| Date Time | 2023-03-17 11:45:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2022-246 |
| Volume (vol) | vol.122 |
| Number (no) | no.441 |
| Page | pp.72-75 |
| #Pages | 4 |
| Date of Issue | 2023-03-09 (AP) |
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