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Paper Abstract and Keywords
Presentation 2008-01-23 13:20
A Study of the Mutual Coupling Reduction Between Two Inverted-F Antennas Using Mushroom-Type EBG Structures
Jun Itoh, Naobumi Michishita, Hisashi Morishita (NDA) AP2007-123
Abstract (in Japanese) (See Japanese page) 
(in English) The EBG Structure is realized by composing the periodic structure of the mushroom type structures, which consist of the patch and the vias to the ground plane. It can operate as a magnetic wall by which the reflection phase becomes 0°for a incident wave. In addition, the band gap characteristics that suppress the surface wave propagation within a band gap range of the frequency.
In this paper, the mutual coupling reduction between two inverted-F antennas is investigated on a finite ground plane at intervals of a half wavelength. The effect of the mutual coupling reduction can be achieved by adjusting the arrangement of the mushroom-type EBG structures. Moreover, the effects of the mushroom-type EBG structures are compared with the choke structure as conventional techniques for the mutual coupling reduction. In addition, made the antenna experimentally, the impedance and radiation characteristics measured. Since the experimental results coincide with the calculated results, the calculated results have been verified.
Keyword (in Japanese) (See Japanese page) 
(in English) Inverted-F Antenna / Mutual Coupling Reduction / EBG Structure / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 431, AP2007-123, pp. 7-12, Jan. 2008.
Paper # AP2007-123 
Date of Issue 2008-01-16 (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 AP2007-123

Conference Information
Committee AP  
Conference Date 2008-01-23 - 2008-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Tyeruru.(Naha) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) etc. 
Paper Information
Registration To AP 
Conference Code 2008-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of the Mutual Coupling Reduction Between Two Inverted-F Antennas Using Mushroom-Type EBG Structures 
Sub Title (in English)  
Keyword(1) Inverted-F Antenna  
Keyword(2) Mutual Coupling Reduction  
Keyword(3) EBG Structure  
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1st Author's Name Jun Itoh  
1st Author's Affiliation National Defense Academy (NDA)
2nd Author's Name Naobumi Michishita  
2nd Author's Affiliation National Defense Academy (NDA)
3rd Author's Name Hisashi Morishita  
3rd Author's Affiliation National Defense Academy (NDA)
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Speaker Author-1 
Date Time 2008-01-23 13:20:00 
Presentation Time 20 minutes 
Registration for AP 
Paper # AP2007-123 
Volume (vol) vol.107 
Number (no) no.431 
Page pp.7-12 
#Pages 6 
Date of Issue 2008-01-16 (AP) 

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