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| Presentation | 2014-09-19 16:00 [Invited Lecture] Proposal of Beamwidth Adjustment Algorithm in Consideration of EBG for Dual-Band Antenna Employing Woodpile Metamaterial Reflector Hideya So, Atsuya Ando, Takatoshi Sugiyama (NTT)  AP2014-106 MW2014-97 Link to ES Tech. Rep. Archives: MW2014-97 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have proposed a multiband sector antenna with multiple reflectors mploying the metamaterial for a base station antenna of mobilecommunication systems employing sector cell. The reflector employing woodpile metamaterial that consists of layers of dielectric rods with a stacking sequence has a lectromagnetic band gap (EBG) characteristics, and can reflect the electromagnetic waves of the desired band (EBG band) and transmit those of the specific bands. The metamaterial reflector affects to electromagnetic waves of the undesired band which metamaterial reflector transmits the electromagnetic waves. The beamwidth adjustment is difficult by the effect of the metamaterial reflector. This report clarifies the effect to other frequency band. The proposed antenna has designed 90 beamwidth in the horizontal plane of each frequency band (800 MHz and 2 GHz), and the measurements well match the electromagnetic field simulations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Base station antenna / Multiband antenna / Woodpile metamaterial / electromagnetic band gap (EBG) characteristics / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 218, AP2014-106, pp. 71-76, Sept. 2014. | |
| Paper # | AP2014-106 | |
| Date of Issue | 2014-09-11 (AP, MW) | |
| ISSN | Print edition: ISSN 0913-5685 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 | AP2014-106 MW2014-97 Link to ES Tech. Rep. Archives: MW2014-97 |
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| Conference Information | |
| Committee | AP MW |
| Conference Date | 2014-09-18 - 2014-09-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Institute of Technology, Ookayama Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave and Millimeter-wave, Metamaterials, Antennas and Propagation, Student Session |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2014-09-AP-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal of Beamwidth Adjustment Algorithm in Consideration of EBG for Dual-Band Antenna Employing Woodpile Metamaterial Reflector |
| Sub Title (in English) | |
| Keyword(1) | Base station antenna |
| Keyword(2) | Multiband antenna |
| Keyword(3) | Woodpile metamaterial |
| Keyword(4) | electromagnetic band gap (EBG) characteristics |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Hideya So |
| 1st Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 2nd Author's Name | Atsuya Ando |
| 2nd Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 3rd Author's Name | Takatoshi Sugiyama |
| 3rd Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
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| Speaker | Author-1 |
| Date Time | 2014-09-19 16:00:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2014-106, MW2014-97 |
| Volume (vol) | vol.114 |
| Number (no) | no.218(AP), no.219(MW) |
| Page | pp.71-76(AP), pp.65-70(MW) |
| #Pages | 6 |
| Date of Issue | 2014-09-11 (AP, MW) |
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