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Paper Abstract and Keywords
Presentation 2008-01-24 10:30
Direction of Arrivals Estimation of Coherent Signal Waves Using Interpolated ESPRIT in Thinning Array Antenna
Yuki Hamana, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (TUAT) AP2007-134
Abstract (in Japanese) (See Japanese page) 
(in English) It is difficult to estimate DOA(Direction-of-Arrival) of coherent signal waves by SSP(Spatial Smoothing Preprocessing) and ESPRIT with a non-uniform linear array antenna which is not able to be devided to sub-array satisfied shift invariance. For this problem, it has been proposed that SSP and Interpolated ESPRIT which converts real array data to virtual array data by an interpolation matrix and the virtual array data corresponds to one of sub-array data satisfied the shift invariance. However, SSP and Interpolated ESPRIT using virtual array have two problems. First, it is necessary to estimate a rough DOA in advance to product a virtual array. Second, an estimate accuracy of DOA drop so that SSP by virtual sub-array colors AWGN. In this study, we consider thinning array antanna. For the first problem, we have proposed zero-interpolated estimation and showed that enough rough DOA estimate accuracy can be achieved. For the second problem, we have proposed NR(Noise-Removal) and showed that RMSE performance can be improved.
Keyword (in Japanese) (See Japanese page) 
(in English) DOA Estimation / ESPRIT / Spatial Smoothing / Coherent Signal Waves / Virtual Array / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 431, AP2007-134, pp. 69-74, Jan. 2008.
Paper # AP2007-134 
Date of Issue 2008-01-16 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF AP2007-134

Conference Information
Committee AP  
Conference Date 2008-01-23 - 2008-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Tyeruru.(Naha) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) etc. 
Paper Information
Registration To AP 
Conference Code 2008-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Direction of Arrivals Estimation of Coherent Signal Waves Using Interpolated ESPRIT in Thinning Array Antenna 
Sub Title (in English)  
Keyword(1) DOA Estimation  
Keyword(2) ESPRIT  
Keyword(3) Spatial Smoothing  
Keyword(4) Coherent Signal Waves  
Keyword(5) Virtual Array  
1st Author's Name Yuki Hamana  
1st Author's Affiliation Tokyo Univercity of Agriculture and Technology (TUAT)
2nd Author's Name Kenta Umebayashi  
2nd Author's Affiliation Tokyo Univercity of Agriculture and Technology (TUAT)
3rd Author's Name Yukihiro Kamiya  
3rd Author's Affiliation Tokyo Univercity of Agriculture and Technology (TUAT)
4th Author's Name Yasuo Suzuki  
4th Author's Affiliation Tokyo Univercity of Agriculture and Technology (TUAT)
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Date Time 2008-01-24 10:30:00 
Presentation Time 20 
Registration for AP 
Paper # IEICE-AP2007-134 
Volume (vol) IEICE-107 
Number (no) no.431 
Page pp.69-74 
#Pages IEICE-6 
Date of Issue IEICE-AP-2008-01-16 

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