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Paper Abstract and Keywords
Presentation 2010-11-12 09:55
The DoA estimation method using EM/SAGE algorithm and Extended MODE algorithms with array interpolation
Kentaro Saito, Koshiro Kitao, Tetsuro Imai, Yoshiki Okano, Shunji Miura (NTT DOCOMO) AP2010-108
Abstract (in Japanese) (See Japanese page) 
(in English) MIMO transmission technologies have been investigated and are expected to realize the wide-band and high-speed radio communication in LTE and IMT-A systems. To put those technologies into practical use, the accurate and detailed radio transmission information is required. To estimate the propagation parameters of rays from the channel data measured by the channel sounder, the SAGE based estimation algorithms have been used. SAGE algorithm is able to be applied to any patterns of antenna arrays, and can estimate the several propagation parameters such as AoA, AoD, delay and amplitude in parallel. However it has the resolution degrading problem in the case that the incident waves are coherent. In the paper, we propose the novel channel estimation methods. In our proposal, after the brief estimation by using SAGE algorithm, we extract the signal part of the coherent waves from the measured data. Then we execute fine parameter search for the coherent waves using MODE based estimation algorithm. We also propose the extension of MODE algorithm to apply MODE algorithm to arrays with arbitrary patterns. We show the effectiveness of our proposal through the computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) DoA Estimation / EM/SAGE / MODE / MUSIC / Array Interpolation / UCA / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 267, AP2010-108, pp. 97-102, Nov. 2010.
Paper # AP2010-108 
Date of Issue 2010-11-03 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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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)
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Conference Information
Committee AP RCS  
Conference Date 2010-11-10 - 2010-11-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukui Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AP, RCS 
Paper Information
Registration To AP 
Conference Code 2010-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The DoA estimation method using EM/SAGE algorithm and Extended MODE algorithms with array interpolation 
Sub Title (in English)  
Keyword(1) DoA Estimation  
Keyword(2) EM/SAGE  
Keyword(3) MODE  
Keyword(4) MUSIC  
Keyword(5) Array Interpolation  
Keyword(6) UCA  
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Keyword(8)  
1st Author's Name Kentaro Saito  
1st Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO)
2nd Author's Name Koshiro Kitao  
2nd Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO)
3rd Author's Name Tetsuro Imai  
3rd Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO)
4th Author's Name Yoshiki Okano  
4th Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO)
5th Author's Name Shunji Miura  
5th Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO)
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Speaker
Date Time 2010-11-12 09:55:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2010-108 
Volume (vol) IEICE-110 
Number (no) no.267 
Page pp.97-102 
#Pages IEICE-6 
Date of Issue IEICE-AP-2010-11-03 


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