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Paper Abstract and Keywords
Presentation 2019-01-18 11:10
Performance Improvement of Radio Holography-Based DOA Estimation with Cyclic Correlation by Using SAGE Algorithm
Yuto Nakajima, Nobuyoshi Kikuma, Kunio Sakakibara (NITech)
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the methods which can estimate the direction-of-arrival (DOA) with a simple array system are desired, and the radio holography method is expected as one of them. In radio holography, complex signals received by array elements are derived from correlation values between the reference antenna signals and each array element signal which is obtained by switching the array elements one after another. Also, the DOA estimation of the desired waves can be performed by introducing the cyclic correlations based on the cyclostationarity of digital modulation signals to correlation calculation with reference antennas. However, due to the generation process of the correlation matrix in this method, unnecessary correlation terms which degrade DOA estimation accuracy are generated. In this paper, we try to reduce residual interference wave components and the unnecessary correlation terms by applying cyclic correlation to the complete data (one wave reception data) generated in SAGE algorithm. As a result of computer simulation, it has been demonstrated that DOA estimation performance of the proposed method is significantly improved.
Keyword (in Japanese) (See Japanese page) 
(in English) DOA estimation / Radio holography / Cyclostationarity / Cyclic correlation / SAGE algorithm / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 390, AP2018-161, pp. 57-62, Jan. 2019.
Paper # AP2018-161 
Date of Issue 2019-01-10 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee WPT AP  
Conference Date 2019-01-17 - 2019-01-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Toyota Automobile Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless transmission technology, Radio propagation, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2019-01-WPT-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Improvement of Radio Holography-Based DOA Estimation with Cyclic Correlation by Using SAGE Algorithm 
Sub Title (in English)  
Keyword(1) DOA estimation  
Keyword(2) Radio holography  
Keyword(3) Cyclostationarity  
Keyword(4) Cyclic correlation  
Keyword(5) SAGE algorithm  
1st Author's Name Yuto Nakajima  
1st Author's Affiliation Nagoya Institute of Technology (NITech)
2nd Author's Name Nobuyoshi Kikuma  
2nd Author's Affiliation Nagoya Institute of Technology (NITech)
3rd Author's Name Kunio Sakakibara  
3rd Author's Affiliation Nagoya Institute of Technology (NITech)
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Date Time 2019-01-18 11:10:00 
Presentation Time 20 
Registration for AP 
Paper # IEICE-AP2018-161 
Volume (vol) IEICE-118 
Number (no) no.390 
Page pp.57-62 
#Pages IEICE-6 
Date of Issue IEICE-AP-2019-01-10 

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