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Paper Abstract and Keywords
Presentation 2017-07-21 11:50
A Wideband Beam Forming Network with Two Types of Phase-Shifters for Multi Beam Antenna
Hidenori Yukawa, Yu Ushijima, Takeshi Yuasa, Naofumi Yoneda, Moriyasu Miyazaki (Mitsubishi Ele. Corp.) EMT2017-33 MW2017-58 OPE2017-38 EST2017-35 MWP2017-35
Abstract (in Japanese) (See Japanese page) 
(in English) Demands on high throughput communication for airplanes and ships by high throughput satellite using Ka-band have been increased. In Ka-band satellite communication, a multi-feeds per beam system consists of reflector and multiple primary feeds is widely used. In this system, a beam forming network is required to share elements between adjacent beams. In this paper, we propose a wideband beam forming network with two types of phase-shifters. In order to achieve lower phase deviation, we reduced the difference among input to output port path length of BFN, adopting both of normal crank-type phase-shifters and proposed taper-type phase-shifters. We fabricated a flangeless 20GHz-band 16-beam beam forming network. The measured results demonstrated an amplitude deviation of 0.6dB p-p and a normalized phase deviation of 60deg p-p in 17-20.5GHz.
Keyword (in Japanese) (See Japanese page) 
(in English) Antenna feed systems / Waveguide / BFN / Satellite communication / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 140, MW2017-58, pp. 145-150, July 2017.
Paper # MW2017-58 
Date of Issue 2017-07-13 (EMT, MW, OPE, EST, MWP) 
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 EMT2017-33 MW2017-58 OPE2017-38 EST2017-35 MWP2017-35

Conference Information
Committee MWP OPE EMT MW EST IEE-EMT  
Conference Date 2017-07-20 - 2017-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Obihiro Chamber of Commerce and Industry 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Light wave & Electromagnetic Wave Workshop 
Paper Information
Registration To MW 
Conference Code 2017-07-MWP-OPE-EMT-MW-EST-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Wideband Beam Forming Network with Two Types of Phase-Shifters for Multi Beam Antenna 
Sub Title (in English)  
Keyword(1) Antenna feed systems  
Keyword(2) Waveguide  
Keyword(3) BFN  
Keyword(4) Satellite communication  
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1st Author's Name Hidenori Yukawa  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
2nd Author's Name Yu Ushijima  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
3rd Author's Name Takeshi Yuasa  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
4th Author's Name Naofumi Yoneda  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
5th Author's Name Moriyasu Miyazaki  
5th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.)
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Speaker Author-1 
Date Time 2017-07-21 11:50:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # EMT2017-33, MW2017-58, OPE2017-38, EST2017-35, MWP2017-35 
Volume (vol) vol.117 
Number (no) no.139(EMT), no.140(MW), no.141(OPE), no.142(EST), no.143(MWP) 
Page pp.145-150 
#Pages 6 
Date of Issue 2017-07-13 (EMT, MW, OPE, EST, MWP) 

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