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Paper Abstract and Keywords
Presentation 2016-03-10 10:55
Equivalent Circuit Design of Unit Cell in Frequency Dispersive Phase Shifter Enlarging Frequency Dispersion of Phase Characteristics for Multi-Band Base Station Antenna
Yasuhito Yanagisawa, Ryuji Kataoka, Keizo CHO (CIT), Naobumi Michishita (NDA), Ichiro Oshima (DKK) AP2015-205
Abstract (in Japanese) (See Japanese page) 
(in English) Frequency dispersive phase shifter for a multi-band base station antenna, which is capable of increasing the communication capacity by deep tilt angle in the lower frequency bands, has been proposed. In this paper, in order to enlarge the amount of phase shift of the frequency dispersive phase shifter, we first derive the equivalent circuit of the unit cell of the phase shifter. A lossless symmetrical T equivalent circuit is used as the equivalent circuit. Then, the results designing the left-handed components of the equivalent circuit that can enlarge the amount of phase shift of the phase shifter while maintaining Bloch impedance around 50Ω are described.
Keyword (in Japanese) (See Japanese page) 
(in English) Phase Shifter / CRLH-TL / Equivalent Circuit Analysis / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 506, AP2015-205, pp. 7-11, March 2016.
Paper # AP2015-205 
Date of Issue 2016-03-03 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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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 Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Equivalent Circuit Design of Unit Cell in Frequency Dispersive Phase Shifter Enlarging Frequency Dispersion of Phase Characteristics for Multi-Band Base Station Antenna 
Sub Title (in English)  
Keyword(1) Phase Shifter  
Keyword(2) CRLH-TL  
Keyword(3) Equivalent Circuit Analysis  
1st Author's Name Yasuhito Yanagisawa  
1st Author's Affiliation Chiba Institute of Technology (CIT)
2nd Author's Name Ryuji Kataoka  
2nd Author's Affiliation Chiba Institute of Technology (CIT)
3rd Author's Name Keizo CHO  
3rd Author's Affiliation Chiba Institute of Technology (CIT)
4th Author's Name Naobumi Michishita  
4th Author's Affiliation National Defense Academy (NDA)
5th Author's Name Ichiro Oshima  
5th Author's Affiliation Denki Kogyo Co., Ltd (DKK)
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Date Time 2016-03-10 10:55:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2015-205 
Volume (vol) IEICE-115 
Number (no) no.506 
Page pp.7-11 
#Pages IEICE-5 
Date of Issue IEICE-AP-2016-03-03 

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