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Paper Abstract and Keywords
Presentation 2024-03-15 16:00
Improved Accuracy of AOA Estimation of Moving Object in Nakagami-Rice Propagation Environments
Kazuhiro Honda, Yuto Sekino (Univ. of Toyama) AP2023-221
Abstract (in Japanese) (See Japanese page) 
(in English) To ensure the success of upcoming car-to-car networks, we are developing a 4 × 4 multiple-input multiple-output (MIMO) antenna that can control the beam direction depending on the estimated incoming wave angle. In this paper, we investigate an angle-of-arrival (AOA) estimation system of proposed antenna in Nakagami-Rice propagation environment. By applying the method to eliminate the phase difference ambiguity through the use of eight independent beams with 45° intervals and the method to exclude the uncertain data, we estimate the direction of communication target in a Rician fading channel, where the received signal is composed of both a coherent line-of-sight (LOS) component and random multipath scattered fields. The analytical results through a Monte Calro simulation reveal that a high accuracy of AOA estimation can be achieved using the proposed methods, even in the case of a severe Nakagami-Rice fading channel, where a LOS component is small.
Keyword (in Japanese) (See Japanese page) 
(in English) Angle of Arrival Estimation / Moving Object / Phase Difference Ambiguity / Nakagami-Rice Fading / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 441, AP2023-221, pp. 109-114, March 2024.
Paper # AP2023-221 
Date of Issue 2024-03-07 (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 AP2023-221

Conference Information
Committee AP  
Conference Date 2024-03-14 - 2024-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) UNIVERSITY OF FUKUI 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2024-03-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improved Accuracy of AOA Estimation of Moving Object in Nakagami-Rice Propagation Environments 
Sub Title (in English)  
Keyword(1) Angle of Arrival Estimation  
Keyword(2) Moving Object  
Keyword(3) Phase Difference Ambiguity  
Keyword(4) Nakagami-Rice Fading  
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1st Author's Name Kazuhiro Honda  
1st Author's Affiliation University of Toyama (Univ. of Toyama)
2nd Author's Name Yuto Sekino  
2nd Author's Affiliation University of Toyama (Univ. of Toyama)
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Speaker Author-1 
Date Time 2024-03-15 16:00:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2023-221 
Volume (vol) vol.123 
Number (no) no.441 
Page pp.109-114 
#Pages 6 
Date of Issue 2024-03-07 (AP) 

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