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Paper Abstract and Keywords
Presentation 2014-01-23 10:55
DOA Estimation Technique Utilizing Time-Division Antenna Element Switching
Shinichi Morita, Toshio Wakayama, Kazufumi Hirata, Atsushi Okamura (Mitsubishi Electric) AP2013-150
Abstract (in Japanese) (See Japanese page) 
(in English) Direction-of-Arrival (DOA) estimation system for unknown incoming waves usually use one receiver for each element of the receiving array antenna. For that reason, the number of the receiver (namely device cost) increase simultaneously when the number of the element antenna increase to improve estimation performance. To overcome this problem, we propose DOA estimation technique utilizing Time-Division element antenna switching to reduce only the number of the receiver without decreasing the number of the element antenna, i.e. maintaining estimation performance. This technique requires the RF-switch device to select element antennas used for each observation and connect them with the same numbers of receivers, generally two pieces in each observation. Based on covariance matrix composited from each observation, DOA estimation for plural unknown incoming waves is accomplished with super-resolution algorithm. The effectiveness of this technique was confirmed by computational simulation and experimental evaluation.
Keyword (in Japanese) (See Japanese page) 
(in English) DOA Estimation / Super Resolution Algorithm / Time Division / Switching / Low Cost / Down Sizing / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 384, AP2013-150, pp. 93-98, Jan. 2014.
Paper # AP2013-150 
Date of Issue 2014-01-15 (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 AP2013-150

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) DOA Estimation Technique Utilizing Time-Division Antenna Element Switching 
Sub Title (in English)  
Keyword(1) DOA Estimation  
Keyword(2) Super Resolution Algorithm  
Keyword(3) Time Division  
Keyword(4) Switching  
Keyword(5) Low Cost  
Keyword(6) Down Sizing  
Keyword(7)  
Keyword(8)  
1st Author's Name Shinichi Morita  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
2nd Author's Name Toshio Wakayama  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
3rd Author's Name Kazufumi Hirata  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
4th Author's Name Atsushi Okamura  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Speaker Author-1 
Date Time 2014-01-23 10:55:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2013-150 
Volume (vol) vol.113 
Number (no) no.384 
Page pp.93-98 
#Pages 6 
Date of Issue 2014-01-15 (AP) 

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