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| Presentation | 2006-03-03 11:20 A basic study about switch circuits for a 60-GHz band single port / multi-sector switching antenna Takuma Sawaya, Naoko Matsunaga, Makoto Taromaru, Takashi Ohira (ATR) Link to ES Tech. Rep. Archives:  MW2005-178 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We are studying about a new approach for a 60-GHz mm-wave sector switchable antenna for the gigabit rate wireless local area networks. For a sector switching device of this antenna, we have investigated the feasibility of achieving a waveguide switch structure by using a varactor diode. We adopted a dynamic Q factor obtained from the computer simulation for an evaluation criterion of the performance of the varactor. We defined the operation bandwidth of this switch as the bandwidth which the return loss is less or equal 1 dB at the off-state and the insertion loss is less or equal 3 dB at the on-state. It was confirmed that the dynamic Q factor of the varactor should be greater than 11 to realize the above low-loss condition within 3 GHz operation bandwidth at the 60 GHz band. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | mm-wave / sector / wireless LAN / varactor / Q factor / capacitance change ratio / diversity / antenna | |
| Reference Info. | IEICE Tech. Rep., vol. 105, no. 626, MW2005-178, pp. 1-6, March 2006. | |
| Paper # | MW2005-178 | |
| Date of Issue | 2006-02-24 (MW) | |
| ISSN | Print edition: ISSN 0913-5685 | |
| 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 | Link to ES Tech. Rep. Archives: MW2005-178 |
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| Conference Information | |
| Committee | RCS AP WBS SR MW MoNA |
| Conference Date | 2006-03-01 - 2006-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2006-03-RCS-AP-WBS-SR-MW-MoMuC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A basic study about switch circuits for a 60-GHz band single port / multi-sector switching antenna |
| Sub Title (in English) | |
| Keyword(1) | mm-wave |
| Keyword(2) | sector |
| Keyword(3) | wireless LAN |
| Keyword(4) | varactor |
| Keyword(5) | Q factor |
| Keyword(6) | capacitance change ratio |
| Keyword(7) | diversity |
| Keyword(8) | antenna |
| 1st Author's Name | Takuma Sawaya |
| 1st Author's Affiliation | ATR (ATR) |
| 2nd Author's Name | Naoko Matsunaga |
| 2nd Author's Affiliation | ATR (ATR) |
| 3rd Author's Name | Makoto Taromaru |
| 3rd Author's Affiliation | ATR (ATR) |
| 4th Author's Name | Takashi Ohira |
| 4th Author's Affiliation | ATR (ATR) |
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| Speaker | Author-1 |
| Date Time | 2006-03-03 11:20:00 |
| Presentation Time | 20 minutes |
| Registration for | MW |
| Paper # | MW2005-178 |
| Volume (vol) | vol.105 |
| Number (no) | no.626 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2006-02-24 (MW) |
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