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| Presentation | 2014-10-17 09:45 A Consideration on Simple Decoupling Circuit without Three-dimensional Structure for MIMO Antennas Masahiro Mori, Nobuyoshi Kikuma, Hiroshi Hirayama, Kunio Sakakibara (NIT)  AP2014-120 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, the MIMO (Multiple-Input Multiple-Output) technology has been introduced into the portable terminals corresponding to the increase of the demand for the high-speed communications. On the other hand, it is difficult to arrange the antenna elements separating enough in a small equipment such as portable terminals. Since the element spacing of the MIMO antennas is very narrow in that case, the performance of MIMO is degraded due to the increase of mutual coupling between antenna signals in the terminal. For removing the strong mutual coupling, decoupling circuits have been proposed, and it has been shown that it is possible to achieve high radiation efficiency of the MIMO antennas. However, the structures of the decoupling circuits are complicated and hence simplification of the circuits is required in order to implement MIMO antennas in the mobile terminals. In this paper, we design and discuss the simple decoupling circuit without three-dimensional structures in a two-element array antenna. In addition, we propose a simplified decoupling method for the three-element array antenna. By computer simulation, we show that high channel capacity can be obtained by the array antenna with a narrow element spacing. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO / mutual coupling / decoupling / correlation coefficient / capacity / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 245, AP2014-120, pp. 67-72, Oct. 2014. | |
| Paper # | AP2014-120 | |
| Date of Issue | 2014-10-08 (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 | AP2014-120 |
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| Conference Information | |
| Committee | AP WPT |
| Conference Date | 2014-10-15 - 2014-10-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido University, Clark Memorial Student Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Power Transfer, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2014-10-AP-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Consideration on Simple Decoupling Circuit without Three-dimensional Structure for MIMO Antennas |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | mutual coupling |
| Keyword(3) | decoupling |
| Keyword(4) | correlation coefficient |
| Keyword(5) | capacity |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masahiro Mori |
| 1st Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 2nd Author's Name | Nobuyoshi Kikuma |
| 2nd Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 3rd Author's Name | Hiroshi Hirayama |
| 3rd Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 4th Author's Name | Kunio Sakakibara |
| 4th Author's Affiliation | Nagoya Institute of Technology (NIT) |
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| Speaker | Author-1 |
| Date Time | 2014-10-17 09:45:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2014-120 |
| Volume (vol) | vol.114 |
| Number (no) | no.245 |
| Page | pp.67-72 |
| #Pages | 6 |
| Date of Issue | 2014-10-08 (AP) |
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