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| Presentation | 2019-03-07 09:50 Vector Potential Analysis on OAM Waves Generated by Circular-Array and Loop Antennas Hiroshi Suzuki, Akira Saitou, Kazuhiko Honjo, Ryo Ishikawa (The Univ. of Electro-Commun.)  RCS2018-313 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Digital radio signal transmission systems utilizing the mode orthogonality generated by the orbital angular momentum (OAM) of electromagnetic waves are currently being intensively investigated. Two types of antennas are experimentally examined for the OAM wave generation: loop antennas, and uniform circular array antennas. The characteristics of the OAM waves from these antennas can be analyzed by using vector potentials in the spherical coordinate systems. The vector potential of the circular array antennas is derived in this report, which analytically clarifies the differences from the vector potential of a loop antenna that is already known. The derivation applies spatial sampling of the vector potential of the loop, which includes anti-aliasing in the wavenumber region. Several typical polarization types: scalar wave and vector wave of OAM, are also considered by introducing current density vectors explicitly represent the orientations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OAM / loop antenna / uniform circular array / spatial sampling / polarization / theory / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 474, RCS2018-313, pp. 163-168, March 2019. | |
| Paper # | RCS2018-313 | |
| Date of Issue | 2019-02-27 (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 | RCS2018-313 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2019-03-06 - 2019-03-08 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2019-03-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Vector Potential Analysis on OAM Waves Generated by Circular-Array and Loop Antennas |
| Sub Title (in English) | |
| Keyword(1) | OAM |
| Keyword(2) | loop antenna |
| Keyword(3) | uniform circular array |
| Keyword(4) | spatial sampling |
| Keyword(5) | polarization |
| Keyword(6) | theory |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroshi Suzuki |
| 1st Author's Affiliation | Adv. Wireless & Commun. Res. Center (AWCC),~ The University of Electro-Communications (The Univ. of Electro-Commun.) |
| 2nd Author's Name | Akira Saitou |
| 2nd Author's Affiliation | The University of Electro-Communications (The Univ. of Electro-Commun.) |
| 3rd Author's Name | Kazuhiko Honjo |
| 3rd Author's Affiliation | The University of Electro-Communications (The Univ. of Electro-Commun.) |
| 4th Author's Name | Ryo Ishikawa |
| 4th Author's Affiliation | The University of Electro-Communications (The Univ. of Electro-Commun.) |
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| Speaker | Author-1 |
| Date Time | 2019-03-07 09:50:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2018-313 |
| Volume (vol) | vol.118 |
| Number (no) | no.474 |
| Page | pp.163-168 |
| #Pages | 6 |
| Date of Issue | 2019-02-27 (RCS) |
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