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Paper Abstract and Keywords
Presentation 2019-11-21 14:50
[Invited Lecture] Indoor Localization Improvement by Combining Wireless Beacon and Handset Sensor Information
Kazushi Naruke, Naoki Honma, Daichi Kitamura (Iwate Univ.), Yusuke Sugawara, Atsushi Miura (ERi) AP2019-125 RCS2019-222
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes two methods for improving the accuracy of indoor localization, which combines RSSI (Received Signal Strength Indicator) ranging using wireless beacon signal with PDR (Pedestrian Dead Reckoning) based on sensor information. First, weighting technique is used to consider both the distance estimated from RSSI and sensor information in the reciprocal region. Second, the frequency diversity is applied to the measured RSSI to improve ranging accuracy. To verify this idea, we performed an experiment using a commercially available smartphone in an indoor environment, and statistically evaluated the accuracy improvement yielded by the proposed method. As a result, the mean distance error was improved by approximately half compared with the conventional method. Furthermore, we also investigated the localization accuracy with the various numbers of the beacons. The results indicated that the mean distance error of the proposed method was 0.63 m even in an environment with a few number of the beacons.
Keyword (in Japanese) (See Japanese page) 
(in English) BLE beacon / RSSI ranging / PDR / indoor localization / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 295, AP2019-125, pp. 101-106, Nov. 2019.
Paper # AP2019-125 
Date of Issue 2019-11-13 (AP, RCS) 
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)
Download PDF AP2019-125 RCS2019-222

Conference Information
Committee AP RCS  
Conference Date 2019-11-20 - 2019-11-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Saga Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. 
Paper Information
Registration To AP 
Conference Code 2019-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Indoor Localization Improvement by Combining Wireless Beacon and Handset Sensor Information 
Sub Title (in English)  
Keyword(1) BLE beacon  
Keyword(2) RSSI ranging  
Keyword(3) PDR  
Keyword(4) indoor localization  
1st Author's Name Kazushi Naruke  
1st Author's Affiliation Iwate University (Iwate Univ.)
2nd Author's Name Naoki Honma  
2nd Author's Affiliation Iwate University (Iwate Univ.)
3rd Author's Name Daichi Kitamura  
3rd Author's Affiliation Iwate University (Iwate Univ.)
4th Author's Name Yusuke Sugawara  
4th Author's Affiliation Embedded Resource Integration, Inc. (ERi)
5th Author's Name Atsushi Miura  
5th Author's Affiliation Embedded Resource Integration, Inc. (ERi)
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Speaker Author-1 
Date Time 2019-11-21 14:50:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2019-125, RCS2019-222 
Volume (vol) vol.119 
Number (no) no.295(AP), no.296(RCS) 
Page pp.101-106(AP), pp.109-114(RCS) 
Date of Issue 2019-11-13 (AP, RCS) 

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