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Paper Abstract and Keywords
Presentation 2007-07-19 12:10
Wideband free access mat for short range wireless access
Kunsun Eom, Hiroyuki Arai (yokohama nat'l. univ.) AP2007-51
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper a free access mat for wide band operation is investigated. Novel short range wireless access using the free access mat consisting of tightly coupled patch array which provides an easy access for short range wireless communications is proposed. In a conventional wireless access system, the electromagnetic wave is radiated from a wireless device to another through the free space using built-in antennas so that the propagation loss is large, the system is sensitive to interference, and has low security. In proposal system using the free access mat, the electromagnetic wave is concentrated in the mat and transmitted in small loss. The excitation from wireless devices to the free access mat is obtained by proximate coupling. Design for single band of 5 GHz and small loss transmission characteristics which are demonstrated by simulation based on moment method and measurement are presented. Measured transmission loss through the free access mat is smaller than the free space transmission loss, and the difference is more than 10 dB which includes the coupling loss of external antennas. In addition in order to apply to IEEE802.11 series, design for wide band of 2.4 and 5 GHz based on the free access mat operating for single band of 5 GHz, and calculated small propagation loss characteristics are presented. Calculated transmission loss is smaller than the free space transmission loss for both bands and the difference is more than 16 dB.
Keyword (in Japanese) (See Japanese page) 
(in English) Ribbon-wire interconnect / two dimensional communication / short range wireless access / sheet-like waveguide / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 144, AP2007-51, pp. 53-58, July 2007.
Paper # AP2007-51 
Date of Issue 2007-07-12 (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 AP2007-51

Conference Information
Committee AP SAT  
Conference Date 2007-07-19 - 2007-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Daiichi-Takimotokan(Noboribetsu) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications, Antennas and Progation, etc. 
Paper Information
Registration To AP 
Conference Code 2007-07-AP-SAT 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wideband free access mat for short range wireless access 
Sub Title (in English)  
Keyword(1) Ribbon-wire interconnect  
Keyword(2) two dimensional communication  
Keyword(3) short range wireless access  
Keyword(4) sheet-like waveguide  
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1st Author's Name Kunsun Eom  
1st Author's Affiliation yokohama national university (yokohama nat'l. univ.)
2nd Author's Name Hiroyuki Arai  
2nd Author's Affiliation yokohama national university (yokohama nat'l. univ.)
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Speaker Author-1 
Date Time 2007-07-19 12:10:00 
Presentation Time 20 minutes 
Registration for AP 
Paper # AP2007-51 
Volume (vol) vol.107 
Number (no) no.144 
Page pp.53-58 
#Pages 6 
Date of Issue 2007-07-12 (AP) 

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