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Paper Abstract and Keywords
Presentation 2009-01-22 11:20
A High-Resolution Direction and Delay Time Finding Measurement Scheme of Digital Terrestrial TV Multipath Signal based on the Total Recording Scheme
Atsushi Takemoto, Hirokazu Takahashi, Yoshio Karasawa (UEC) AP2008-164
Abstract (in Japanese) (See Japanese page) 
(in English) When realizing a high quality reception signal of the terrestrial digital broadcasting TV, understanding of detailed propagation structure, such as direction of arrival (DOA) and delay spread characteristics is very important. Although an array antenna is useful for the DOA measurement, it is necessary to enlarge the number of array elements compared with the number of paths, and the signal of all the brunches must be received simultaneously. Moreover, since a known broadband signal as a pilot signal is needed at the reception side for prediction of delay profile, a useful and simple measurement technique is not established so far. In this paper, we propose a new scheme where two signals, one is the reference signal with high SNR received at a good line-of-sight position, and the other is the signal that we want to measure are received simultaneously. The scheme is realized based on the total recording system that we have developed using a PC. Through offline signal processing, actual measured data is analyzed in terms of DOA and delay distribution with extremely high accuracy.
Keyword (in Japanese) (See Japanese page) 
(in English) Terrestrial digital TV / Total recording / DOA high definition prediction / MUSIC method / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 386, AP2008-164, pp. 85-90, Jan. 2009.
Paper # AP2008-164 
Date of Issue 2009-01-14 (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 AP2008-164

Conference Information
Committee AP  
Conference Date 2009-01-21 - 2009-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukuoka University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Etc. 
Paper Information
Registration To AP 
Conference Code 2009-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A High-Resolution Direction and Delay Time Finding Measurement Scheme of Digital Terrestrial TV Multipath Signal based on the Total Recording Scheme 
Sub Title (in English)  
Keyword(1) Terrestrial digital TV  
Keyword(2) Total recording  
Keyword(3) DOA high definition prediction  
Keyword(4) MUSIC method  
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1st Author's Name Atsushi Takemoto  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Hirokazu Takahashi  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Yoshio Karasawa  
3rd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2009-01-22 11:20:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2008-164 
Volume (vol) vol.108 
Number (no) no.386 
Page pp.85-90 
#Pages 6 
Date of Issue 2009-01-14 (AP) 

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