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Paper Abstract and Keywords
Presentation 2023-01-19 10:15
Comparative Study of Antenna Array Calibration Methods Based on Symmetrical Mutual Coupling of 4-Element Linear Array
Takashi Mori (Anritsu) AP2022-178
Abstract (in Japanese) (See Japanese page) 
(in English) Antenna array calibration is indispensable for accurate direction-of-arrival (DOA) estimation, because mutual coupling and amplitude/phase error on antenna array cause a significant error in the MUSIC spectrum. Although an asymmetric calibration method which independently calculates all elements of the calibration matrix enables precise array calibration, a large number of reference data set is required to find many unknown variables. On the other hand, the 28-GHz frequency band is used for high-speed wireless communication on the 5th generation mobile communication system, and a demand for DOA estimation will increase on the SHF band. In this paper, two calibration models using symmetrical mutual coupling of 4-element uniform linear array were compared to reduce the number of reference data set. As a result of 28-GHz band experiment, the DOA estimation error and MUSIC spectrum were improved by an appropriate calibration model and were close to that of the asymmetric calibration method with many unknown variables.
Keyword (in Japanese) (See Japanese page) 
(in English) Direction of arrival estimation / Array antenna / Mutual coupling / Array calibration / MUSIC algorithm / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 339, AP2022-178, pp. 6-11, Jan. 2023.
Paper # AP2022-178 
Date of Issue 2023-01-12 (AP) 
ISSN 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 AP2022-178

Conference Information
Committee AP WPT  
Conference Date 2023-01-19 - 2023-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio propagation, Wireless transmission technology, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2023-01-AP-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comparative Study of Antenna Array Calibration Methods Based on Symmetrical Mutual Coupling of 4-Element Linear Array 
Sub Title (in English)  
Keyword(1) Direction of arrival estimation  
Keyword(2) Array antenna  
Keyword(3) Mutual coupling  
Keyword(4) Array calibration  
Keyword(5) MUSIC algorithm  
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1st Author's Name Takashi Mori  
1st Author's Affiliation Anritsu Corporation (Anritsu)
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Speaker Author-1 
Date Time 2023-01-19 10:15:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2022-178 
Volume (vol) vol.122 
Number (no) no.339 
Page pp.6-11 
#Pages 6 
Date of Issue 2023-01-12 (AP) 

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