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| Presentation | 2015-08-04 14:35 [Encouragement Talk] How high is the floor? Floor Height Estimation Based on Mobile Phones with Sensor Data Haruki Izumikawa, Yuki Hirota, Hiroshi Hanano, Chihiro Ono (KDDI Labs.)  MoNA2015-12 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have undertaken research and development with the objectives of making cellular coverage distinctly visible and identifying a coverage problem such as coverage holes based on gleaned coverage information, i.e., location information and radio quality information, from mobile terminals. In order to efficiently realize the above objectives, the three-dimensional location information is required rather than the two-dimensional perspective of latitude and longitude. Therefore, we studied a method to estimate the indoor floor level of a mobile terminal equipped with a barometric pressure sensor. In the method, first, the height of the physical location of the terminal from the ground is estimated using both barometric pressure as measured by the terminal and the base pressure as a reference. The base pressure is the barometric pressure at ground height close to the terminal. The base pressure estimate is based on a large number of barometric pressures from many mobile terminals. Then, the floor level is estimated by dividing the height from the ground by a pre-determined floor height, i.e., the height between the floors. However, the estimated floor height actually depends on each building. Therefore, the error of an estimated floor becomes large if the difference between the actual and the pre-defined floor heights is large. Thus, in this paper, we present a method to estimate the height of a floor. The method applies the difference method to a frequency distribution of heights from the ground in a building in order to detect a floor face. The height between the floor faces is regarded as the floor height. Through a preliminary experiment using a smartphone, we found that the method has the potential to estimate the floor height accurately. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Floor height / Barometric pressure sensor / Three-dimensional positioning / MDT (Minimization of Drive-Tests) / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 172, MoNA2015-12, pp. 21-24, Aug. 2015. | |
| Paper # | MoNA2015-12 | |
| Date of Issue | 2015-07-28 (MoNA) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
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 | MoNA2015-12 |
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| Conference Information | |
| Committee | MoNA |
| Conference Date | 2015-08-04 - 2015-08-05 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kobe University Centennial Hall (Rokko Hall) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Networks, Mobile Applications, Mobile Multimedia, Mobile Services, ITS, etc. |
| Paper Information | |
| Registration To | MoNA |
| Conference Code | 2015-08-MoNA |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | How high is the floor? Floor Height Estimation Based on Mobile Phones with Sensor Data |
| Sub Title (in English) | |
| Keyword(1) | Floor height |
| Keyword(2) | Barometric pressure sensor |
| Keyword(3) | Three-dimensional positioning |
| Keyword(4) | MDT (Minimization of Drive-Tests) |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Haruki Izumikawa |
| 1st Author's Affiliation | KDDI R&D Laboratories, Inc. (KDDI Labs.) |
| 2nd Author's Name | Yuki Hirota |
| 2nd Author's Affiliation | KDDI R&D Laboratories, Inc. (KDDI Labs.) |
| 3rd Author's Name | Hiroshi Hanano |
| 3rd Author's Affiliation | KDDI R&D Laboratories, Inc. (KDDI Labs.) |
| 4th Author's Name | Chihiro Ono |
| 4th Author's Affiliation | KDDI R&D Laboratories, Inc. (KDDI Labs.) |
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| Speaker | Author-1 |
| Date Time | 2015-08-04 14:35:00 |
| Presentation Time | 25 minutes |
| Registration for | MoNA |
| Paper # | MoNA2015-12 |
| Volume (vol) | vol.115 |
| Number (no) | no.172 |
| Page | pp.21-24 |
| #Pages | 4 |
| Date of Issue | 2015-07-28 (MoNA) |
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