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Paper Abstract and Keywords
Presentation 2018-09-20 13:30
Performance Evaluation of Human Orientation Estimation Method Using Array Antenna
Nobuyuki Shiraki, Zhixiong Chen, Dai Sasakawa, Naoki Honma (Iwate Univ.), Takeshi Nakayama, Shoidhi Iizuka (Panasonic) AP2018-82
Abstract (in Japanese) (See Japanese page) 
(in English) Recently,the number of eldery people liveing alone is increasing.
The demand for efficient and effective monitoring system has been increased.
In this paper, we present the estimation method of human body orientation using microwave.
Antennas are placed around the living body and vital signs such as breathing and heart beat are observed from the reflected wave from the living body.
Since the reflected waves from the front of living body have the greatest fluctuation due to the influence of respiration, the direction of the antenna with the largest fluctuation is selected and estimated as the direction of the front of the living body.
Based on the experimental results with three subjects, the median values of angular error of human orientation are ${10.88}^circ$, ${26.38}^circ$ and ${27.29}^circ$ and it is found that the human orientation can be estimated without using the prior information.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO radar / human orientation / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 217, AP2018-82, pp. 7-12, Sept. 2018.
Paper # AP2018-82 
Date of Issue 2018-09-13 (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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee AP MW  
Conference Date 2018-09-20 - 2018-09-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Tech 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave, Millimeter wave, Measurement, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2018-09-AP-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of Human Orientation Estimation Method Using Array Antenna 
Sub Title (in English)  
Keyword(1) MIMO radar  
Keyword(2) human orientation  
1st Author's Name Nobuyuki Shiraki  
1st Author's Affiliation Iwate University (Iwate Univ.)
2nd Author's Name Zhixiong Chen  
2nd Author's Affiliation Iwate University (Iwate Univ.)
3rd Author's Name Dai Sasakawa  
3rd Author's Affiliation Iwate University (Iwate Univ.)
4th Author's Name Naoki Honma  
4th Author's Affiliation Iwate University (Iwate Univ.)
5th Author's Name Takeshi Nakayama  
5th Author's Affiliation Panasonic Corporation (Panasonic)
6th Author's Name Shoidhi Iizuka  
6th Author's Affiliation Panasonic Corporation (Panasonic)
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Date Time 2018-09-20 13:30:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2018-82 
Volume (vol) IEICE-118 
Number (no) no.217 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-AP-2018-09-13 

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