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Paper Abstract and Keywords
Presentation 2015-01-16 15:45
Slot Design for Aperture Illumination Control of RLSA with High Loss Substrates
Tung Nguyen, Makoto Ando, Jiro Hirokawa (Tokyo Inst. of Tech.), Manuel Sierra Castaner (UPM) ED2014-136 MW2014-200
Abstract (in Japanese) (See Japanese page) 
(in English) Recent studies suggest that the uses of high loss dielectric waveguides in the Radial Line Slot Antenna (RLSA) might be indispensable to improve other characteristics such as antenna weight and structural stability. This paper synthesizes a slot array design to cope with such lossy property of the radial waveguides. As a result, a downward tapering aperture illumination is realized, and it partly suppresses the losses due to the dielectric waveguides. A 32GHz RLSA with a high gain of 44.6dBi is presented to demonstrate the improvement in case of lossy waveguide using new slot design; in comparison with the conventional design, about 0.5dB gain enhancement was achieved.
Keyword (in Japanese) (See Japanese page) 
(in English) Radial Line Slot Antenna / Lossy Substrates / Slot Design / coupling factor / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 392, MW2014-200, pp. 111-116, Jan. 2015.
Paper # MW2014-200 
Date of Issue 2015-01-08 (ED, 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 ED2014-136 MW2014-200

Conference Information
Committee MW ED  
Conference Date 2015-01-15 - 2015-01-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Compound Semiconductor IC and High-Speed, High-Frequency Devices/Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2015-01-MW-ED 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Slot Design for Aperture Illumination Control of RLSA with High Loss Substrates 
Sub Title (in English)  
Keyword(1) Radial Line Slot Antenna  
Keyword(2) Lossy Substrates  
Keyword(3) Slot Design  
Keyword(4) coupling factor  
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1st Author's Name Tung Nguyen  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
2nd Author's Name Makoto Ando  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
3rd Author's Name Jiro Hirokawa  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
4th Author's Name Manuel Sierra Castaner  
4th Author's Affiliation Universidad Politenica de Madrid (UPM)
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Speaker Author-1 
Date Time 2015-01-16 15:45:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # ED2014-136, MW2014-200 
Volume (vol) vol.114 
Number (no) no.391(ED), no.392(MW) 
Page pp.111-116 
#Pages 6 
Date of Issue 2015-01-08 (ED, MW) 

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