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| Presentation | 2018-11-22 10:10 Design of Multi-layer Transmit-phased-array with Varactor Diodes Using Matrix Calculation for Two-dimensional Beam-scanning Tomihiro Ikegami, Kunio Sakakibara, Shota Ino, Nobuyoshi Kikuma (NITech)  AP2018-130 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | For automotive-radars and next generation mobile communicators, two-dimensional beam scanning systems are required. Various transmit-arrays equiped in front of an aperture antenna are developed to form the beam toward arbitrary angle. Transmit-array is composed of metal planar periodic pattern and dielctric plate. Multi layer is necessary to achieve 360 deg. phase rotation. Transmission phase distribution is controlled by systhesis of reflections and transmittions of all layers. By mounting varactor diodes on the metal patterns and varying reverse bias voltage, transmission phase of each cell are controlled indipendently and beam of transmission wave of transmit-array can be scaned over wide angle. It is difficult to design considering return loss by capasitance variation for desired phase distribution. In this paper, transmit-array with low reflection was designed by matrix calculation of its equivalent circuit. A 5x5 array was designed at 79GHz. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Metamaterial / Metasurface / Phased Array / Transmit Array / Equivalent Circuit / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 310, AP2018-130, pp. 161-166, Nov. 2018. | |
| Paper # | AP2018-130 | |
| Date of Issue | 2018-11-13 (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 | AP2018-130 |
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| Conference Information | |
| Committee | RCS AP |
| Conference Date | 2018-11-20 - 2018-11-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Industry Support Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2018-11-RCS-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design of Multi-layer Transmit-phased-array with Varactor Diodes Using Matrix Calculation for Two-dimensional Beam-scanning |
| Sub Title (in English) | |
| Keyword(1) | Metamaterial |
| Keyword(2) | Metasurface |
| Keyword(3) | Phased Array |
| Keyword(4) | Transmit Array |
| Keyword(5) | Equivalent Circuit |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tomihiro Ikegami |
| 1st Author's Affiliation | Nagoya Institute of Technology (NITech) |
| 2nd Author's Name | Kunio Sakakibara |
| 2nd Author's Affiliation | Nagoya Institute of Technology (NITech) |
| 3rd Author's Name | Shota Ino |
| 3rd Author's Affiliation | Nagoya Institute of Technology (NITech) |
| 4th Author's Name | Nobuyoshi Kikuma |
| 4th Author's Affiliation | Nagoya Institute of Technology (NITech) |
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| Speaker | Author-1 |
| Date Time | 2018-11-22 10:10:00 |
| Presentation Time | 20 minutes |
| Registration for | AP |
| Paper # | AP2018-130 |
| Volume (vol) | vol.118 |
| Number (no) | no.310 |
| Page | pp.161-166 |
| #Pages | 6 |
| Date of Issue | 2018-11-13 (AP) |
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