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Paper Abstract and Keywords
Presentation 2011-10-21 15:20
Consideration on Beam Scanning Characteristics of Rx Double-loop Antenna for Mobile Satellite Communications
Motonori Nakamura, Takenori Yasuzumi, Osamu Hashimoto (Aoyama Gakuin Univ.) MW2011-111
Abstract (in Japanese) (See Japanese page) 
(in English) A new structural receiver antenna for mobile satellite communications is proposed in this paper. The antenna consists of two loop elements which operate as dominant and second mode resonant frequency and it is fed by an open-ended slot line with a radial stub. By adjusting parameters of the feeder line, reflection characteristics of the antenna were improved and beam scanning characteristics of linear array antenna were studied. As the results, the element antenna had the beam tilted unidirectional radiation pattern at around 35 degree in the elevation angle. The 16-element linear array antenna showed the beam scanning characteristics in the elevation angle is determined to be 20 to 50 degrees without a fluctuation of the gain. In addition, on the 512-element linear array antenna structure, the gain of the main lobe was over 30 dBi. According to the above results, the proposed array antenna is suitable for the mobile satellite communications antenna.
Keyword (in Japanese) (See Japanese page) 
(in English) Double-loop / loop antenna / radial stub / mobile satellite communications / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 250, MW2011-111, pp. 143-148, Oct. 2011.
Paper # MW2011-111 
Date of Issue 2011-10-13 (MW) 
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 MW2011-111

Conference Information
Committee MW  
Conference Date 2011-10-20 - 2011-10-21 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2011-10-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Consideration on Beam Scanning Characteristics of Rx Double-loop Antenna for Mobile Satellite Communications 
Sub Title (in English)  
Keyword(1) Double-loop  
Keyword(2) loop antenna  
Keyword(3) radial stub  
Keyword(4) mobile satellite communications  
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1st Author's Name Motonori Nakamura  
1st Author's Affiliation Aoyama Gakuin University (Aoyama Gakuin Univ.)
2nd Author's Name Takenori Yasuzumi  
2nd Author's Affiliation Aoyama Gakuin University (Aoyama Gakuin Univ.)
3rd Author's Name Osamu Hashimoto  
3rd Author's Affiliation Aoyama Gakuin University (Aoyama Gakuin Univ.)
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Speaker Author-1 
Date Time 2011-10-21 15:20:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2011-111 
Volume (vol) vol.111 
Number (no) no.250 
Page pp.143-148 
#Pages 6 
Date of Issue 2011-10-13 (MW) 

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