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| Presentation | 2009-03-10 16:20 A Dual Polarization 8-port MIMO Antenna with Dipole and Slot Antennas. Atsushi Suyama, Daisuke Uchida, Hiroyuki Arai (Yokohama National Univ.), Yuki Inoue, Keizo Cho (NTT DoCoMo)  AP2008-234 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It has been reported that the characteristic of channel capacity is improved when directional antennas and dual polarization are used at the access point in indoor MIMO system. This report presents the antenna consisting of the half-wave dipole antenna in the horizontal polarization element and cavity slot antenna in the vertical polarization element for dual polarization of 4$\times$4 MIMO system. The tilt angle of radiation pattern is changed by the size of ground plane and the element location. First, to understand the basic characteristic, the antenna parameters are optimized for a single element. In 4-element array, deterioration in the directivity by the mutual coupling is observed. To obtain low mutual coupling, the partition inside the cavity is examined. The partitions suppress the mutual coupling, then we obtain the characteristics of the tilt angle of $60^\circ$ in the vertical plane and $94^\circ$ of half power beam width. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO / dual polarization / directional antenna / slot antenna / dipole antenna / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 475, AP2008-234, pp. 113-116, March 2009. | |
| Paper # | AP2008-234 | |
| Date of Issue | 2009-03-02 (AP) | |
| 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 | AP2008-234 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2009-03-09 - 2009-03-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | University of Macau |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2009-03-AP |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Dual Polarization 8-port MIMO Antenna with Dipole and Slot Antennas. |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | dual polarization |
| Keyword(3) | directional antenna |
| Keyword(4) | slot antenna |
| Keyword(5) | dipole antenna |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Atsushi Suyama |
| 1st Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
| 2nd Author's Name | Daisuke Uchida |
| 2nd Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
| 3rd Author's Name | Hiroyuki Arai |
| 3rd Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
| 4th Author's Name | Yuki Inoue |
| 4th Author's Affiliation | NTT DOCOMO Incorporated (NTT DoCoMo) |
| 5th Author's Name | Keizo Cho |
| 5th Author's Affiliation | NTT DOCOMO Incorporated (NTT DoCoMo) |
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| Speaker | Author-1 |
| Date Time | 2009-03-10 16:20:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2008-234 |
| Volume (vol) | vol.108 |
| Number (no) | no.475 |
| Page | pp.113-116 |
| #Pages | 4 |
| Date of Issue | 2009-03-02 (AP) |
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