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| Presentation | 2016-03-11 11:25 Experimental Study on Linear Array Switched Antenna for WiMAX Julian Webber, Satoshi Tsukamoto, Takahiro Maeda, Tomoaki Kumagai (ATR), Shinichiro Yamamoto, Satoru Aikawa (Hyogo Univ.)  AP2015-220 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The communication channel between a base-station transmitter and train mounted receiver suffers from rapid and deep fading due to the large Doppler spread at high speeds. In order to reduce this fading a linear array antenna has been proposed whose elements switch in the reverse direction of train motion. By matching the switching frequency to the trains speed the channel on the selected antennas are momentarily fixed to the same ground-point. A software model of the switching process is made in order to study the time-varying phase response. A scale-model experiment is conducted consisting of a linear track with train mounted array and, by appropriate scaling of the Tx symbol rate, virtual fading rates up to 360 km/h are created. A software simulation based on the WiMAX physical layer parameters is developed and performance is shown to improve by up to 1.7 dB at bit error rate (BER) 5E-3 at 360 km/h. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Linear array antenna / Fast fading / Antenna switching / OFDM / Experiment / WiMAX / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 506, AP2015-220, pp. 91-95, March 2016. | |
| Paper # | AP2015-220 | |
| Date of Issue | 2016-03-03 (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 | AP2015-220 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2016-03-10 - 2016-03-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Isawa Onsen (Kanpo no Yado) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antenna and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2016-03-AP |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Study on Linear Array Switched Antenna for WiMAX |
| Sub Title (in English) | |
| Keyword(1) | Linear array antenna |
| Keyword(2) | Fast fading |
| Keyword(3) | Antenna switching |
| Keyword(4) | OFDM |
| Keyword(5) | Experiment |
| Keyword(6) | WiMAX |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Julian Webber |
| 1st Author's Affiliation | Advanced Telecommunications Research International (ATR) |
| 2nd Author's Name | Satoshi Tsukamoto |
| 2nd Author's Affiliation | Advanced Telecommunications Research International (ATR) |
| 3rd Author's Name | Takahiro Maeda |
| 3rd Author's Affiliation | Advanced Telecommunications Research International (ATR) |
| 4th Author's Name | Tomoaki Kumagai |
| 4th Author's Affiliation | Advanced Telecommunications Research International (ATR) |
| 5th Author's Name | Shinichiro Yamamoto |
| 5th Author's Affiliation | University of Hyogo (Hyogo Univ.) |
| 6th Author's Name | Satoru Aikawa |
| 6th Author's Affiliation | University of Hyogo (Hyogo Univ.) |
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| Speaker | Author-1 |
| Date Time | 2016-03-11 11:25:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2015-220 |
| Volume (vol) | vol.115 |
| Number (no) | no.506 |
| Page | pp.91-95 |
| #Pages | 5 |
| Date of Issue | 2016-03-03 (AP) |
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