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| Presentation | 2011-11-16 14:55 Optimization of MIMO Antenna Directivities and Derivation of Current Distributions by Using Spherical Mode Expansion Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Yoshio Koyanagi, Takayuki Sotoyama (Panasonic Mobile Communications)  AP2011-99 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes a new design method based on spherical mode expansion to optimize MIMO antenna directivities and to derive current distributions for optimal antenna directivities. Antenna directivities are expanded by spherical wave functions and spherical mode coefficients, where the number of spherical mode is limited by the given antenna volume. In this paper, we derive the optimal antenna directivities to maximize average channel capacity given the antenna volume and angular profile of the environment. Furthermore, we also derive the current distributions for the optimal antenna directivities , where the current distributions are expanded by orthogonal basis functions and coefficients based on a Galerkin method. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MIMO / directivity / current distribution / spherical mode expansion / angular profile / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 288, AP2011-99, pp. 57-62, Nov. 2011. | |
| Paper # | AP2011-99 | |
| Date of Issue | 2011-11-09 (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 | AP2011-99 |
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| Conference Information | |
| Committee | AP RCS |
| Conference Date | 2011-11-16 - 2011-11-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya Congress Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Adaptive Antenna, Equalization, Interference Canceller, MIMO, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2011-11-AP-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Optimization of MIMO Antenna Directivities and Derivation of Current Distributions by Using Spherical Mode Expansion |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | directivity |
| Keyword(3) | current distribution |
| Keyword(4) | spherical mode expansion |
| Keyword(5) | angular profile |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Maki Arai |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 2nd Author's Name | Kei Sakaguchi |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 3rd Author's Name | Kiyomichi Araki |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 4th Author's Name | Yoshio Koyanagi |
| 4th Author's Affiliation | Panasonic Mobile Communications Co., Ltd. (Panasonic Mobile Communications) |
| 5th Author's Name | Takayuki Sotoyama |
| 5th Author's Affiliation | Panasonic Mobile Communications Co., Ltd. (Panasonic Mobile Communications) |
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| Speaker | Author-1 |
| Date Time | 2011-11-16 14:55:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2011-99 |
| Volume (vol) | vol.111 |
| Number (no) | no.288 |
| Page | pp.57-62 |
| #Pages | 6 |
| Date of Issue | 2011-11-09 (AP) |
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