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Paper Abstract and Keywords
Presentation 2014-01-24 10:20
Study on Overreach Propagation by Tropospheric Ducting in Terrestrial Digital TV Broadcastings
Koji Takahashi, Koichi Shin, Masahiro Nishi, Teruaki Yoshida (Hiroshima City Univ.) AP2013-161
Abstract (in Japanese) (See Japanese page) 
(in English) In the terrestrial digital TV broadcasting systems the same channel has been reused in neighboring areas. Therefore, it is important to understand the overreach propagation of the same channel TV waves, which can be cause of the interferences. In this study, we have been studying measurement methods which can evaluate the interference level of the overreach propagation and identify the source of the interference by simultaneously measuring both TV and FM broadcasting waves. Here we measured there broadcasting waves in different environment, where the broadcasting waves propagated over the land area or the sea area. The results verified that we could measure the overreach propagation of digital TV waves in both environments by measuring FM waves.
Keyword (in Japanese) (See Japanese page) 
(in English) terrestrial digital TV broadcastings / overreach / CNR / FM waves / tropospheric ducting / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 384, AP2013-161, pp. 157-162, Jan. 2014.
Paper # AP2013-161 
Date of Issue 2014-01-15 (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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee AP  
Conference Date 2014-01-22 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Hozan Hall (Kagoshima Prefectural Culture Center) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2014-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Overreach Propagation by Tropospheric Ducting in Terrestrial Digital TV Broadcastings 
Sub Title (in English)  
Keyword(1) terrestrial digital TV broadcastings  
Keyword(2) overreach  
Keyword(3) CNR  
Keyword(4) FM waves  
Keyword(5) tropospheric ducting  
1st Author's Name Koji Takahashi  
1st Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
2nd Author's Name Koichi Shin  
2nd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
3rd Author's Name Masahiro Nishi  
3rd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
4th Author's Name Teruaki Yoshida  
4th Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
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Speaker Author-1 
Date Time 2014-01-24 10:20:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2013-161 
Volume (vol) vol.113 
Number (no) no.384 
Page pp.157-162 
Date of Issue 2014-01-15 (AP) 

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