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| Presentation | 2009-11-26 16:25 Control Technique of Optical Axis for Directional Optical Wireless Communication Terminal Xin Lin (Nakagawa Lab., Inc.), Syoichi Ishikawa (Keio Univ.), Kazutoshi Hirohashi (Nakagawa Lab., Inc.), Shinichiro Haruyama, Masao Nakagawa (Keio Univ.)  OCS2009-89 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A compact infrared communication device with bidirectional directed transmission function is developed as a mobile terminal for an indoor high-speed optical wireless LAN (local area network). In order to realize high-precision control for optical axis of the terminal and miniaturization of the terminal equipment, a spatial omnidirectional control method by one-point support technique to orient the optical axis using a four-quad APD (avalanche photodiode) with high sensitivity and a mirror coil actuator with single axis control is proposed. By using this method, the optical axis point on the four-quad APD can be searched and controlled servo-actionably. We also have implemented this terminal equipment, which has transmission speed of 100Mbps and evaluated its communication quality. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Directional optical wireless communications / Optical axis control / Four-quad avalanche photodiode / Mirror coil actuator / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 302, OCS2009-89, pp. 39-43, Nov. 2009. | |
| Paper # | OCS2009-89 | |
| Date of Issue | 2009-11-19 (OCS) | |
| 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 | OCS2009-89 |
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| Conference Information | |
| Committee | OFT OCS IEE-CMN ITE-BCT |
| Conference Date | 2009-11-26 - 2009-11-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OCS |
| Conference Code | 2009-11-OFT-OCS-CMN-BCT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Control Technique of Optical Axis for Directional Optical Wireless Communication Terminal |
| Sub Title (in English) | |
| Keyword(1) | Directional optical wireless communications |
| Keyword(2) | Optical axis control |
| Keyword(3) | Four-quad avalanche photodiode |
| Keyword(4) | Mirror coil actuator |
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| 1st Author's Name | Xin Lin |
| 1st Author's Affiliation | Nakagawa Laboratories, Inc. (Nakagawa Lab., Inc.) |
| 2nd Author's Name | Syoichi Ishikawa |
| 2nd Author's Affiliation | Keio University (Keio Univ.) |
| 3rd Author's Name | Kazutoshi Hirohashi |
| 3rd Author's Affiliation | Nakagawa Laboratories, Inc. (Nakagawa Lab., Inc.) |
| 4th Author's Name | Shinichiro Haruyama |
| 4th Author's Affiliation | Keio University (Keio Univ.) |
| 5th Author's Name | Masao Nakagawa |
| 5th Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-2 |
| Date Time | 2009-11-26 16:25:00 |
| Presentation Time | 25 minutes |
| Registration for | OCS |
| Paper # | OCS2009-89 |
| Volume (vol) | vol.109 |
| Number (no) | no.302 |
| Page | pp.39-43 |
| #Pages | 5 |
| Date of Issue | 2009-11-19 (OCS) |
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