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Paper Abstract and Keywords
Presentation 2015-11-06 09:55
Evaluation on Efficiency of Frequency Identification on Indoor Positioning with BLE tags
Shuhei Yamaguchi, Daisuke Arai, Tomohiko Ogishi (KDDI Lab) ASN2015-69
Abstract (in Japanese) (See Japanese page) 
(in English) With the extension of O2O (Online to Offline) services, achieving indoor positioning for obtaining the position of the smartphone to the low cost and high accuracy indoors is required. Among them, since a large number of smartphones are standard support Bluetooth, it is more established BLE (Bluetooth Low Energy) tags indoors, using a received signal strength of the radio signal is periodically transmitted from the BLE tag to smartphones. Their techniques for estimating its position is noted. Although techniques for realizing the indoor positioning using a received signal strength may be roughly divided into trilateration method and fingerprinting technique, in view of hardly affected by the reflection of radio waves in the indoor environment, the fingerprinting technique are attracting attention. Fingerprinting technique is learned in advance and indoor positional relationships of the received signal strength, when the position measurement is to specify the position by performing a comparison between the training phase of the data. Therefore, for example, like the indoor layout is changed, if the training phase and environmental changes, in order to influence the relationship between the position and the radio wave strength, the accuracy of positioning there is a problem of decrease. In this paper, we propose a method to solve this problem. Specifically, from among a plurality of radio signals received, and the position to that reached the smartphone directly from BLE tags, which identifies to that reached after being reflected on the wall surface or the like, it is reached by the reflected By excluding the time of positioning, to increase the robustness of the positioning accuracy.
Keyword (in Japanese) (See Japanese page) 
(in English) Indoor Positioning / Fingerprinting / Multi-Path / RSSI / Bluetooth Low Energy / Line of Sight / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 290, ASN2015-69, pp. 103-108, Nov. 2015.
Paper # ASN2015-69 
Date of Issue 2015-10-29 (ASN) 
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 ASN  
Conference Date 2015-11-05 - 2015-11-06 
Place (in Japanese) (See Japanese page) 
Place (in English) NICT Koganei HQ 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Agriculture x Measurement x ICT Workshop 
Paper Information
Registration To ASN 
Conference Code 2015-11-ASN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation on Efficiency of Frequency Identification on Indoor Positioning with BLE tags 
Sub Title (in English)  
Keyword(1) Indoor Positioning  
Keyword(2) Fingerprinting  
Keyword(3) Multi-Path  
Keyword(4) RSSI  
Keyword(5) Bluetooth Low Energy  
Keyword(6) Line of Sight  
1st Author's Name Shuhei Yamaguchi  
1st Author's Affiliation KDDI R&D Laboratories Inc. (KDDI Lab)
2nd Author's Name Daisuke Arai  
2nd Author's Affiliation KDDI R&D Laboratories Inc. (KDDI Lab)
3rd Author's Name Tomohiko Ogishi  
3rd Author's Affiliation KDDI R&D Laboratories Inc. (KDDI Lab)
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Date Time 2015-11-06 09:55:00 
Presentation Time 25 
Registration for ASN 
Paper # IEICE-ASN2015-69 
Volume (vol) IEICE-115 
Number (no) no.290 
Page pp.103-108 
#Pages IEICE-6 
Date of Issue IEICE-ASN-2015-10-29 

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