| Presentation | 2019-03-05 Investigation of Gathering Fingerprints Method Using Multiple Terminals Considered Irregulars RSSI Takehiro Iwadate, Hideyuki Kobayashi, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | GPS is widely used outdoors. Radio waves do not reach indoors, it is difficult to use GPS indoors. Therefore, the localization method using the existing AP has been studied. One of them, fingerprinting method, creates fingerprints by gathering features of each position, then estimates the position by matching the fingerprints. While this method has high accuracy, it uses a lot of RSSI for calibration. Therefore, there is a problem that it takes a lot of time to gather fingerprints. In this paper, we propose a fingerprint creation method using multiple terminals. Each terminal has variations in RSSI, it is necessary to study the influence of variations in RSSI on fingerprints. We conducted experiments both in an anechoic chamber and in real environment using two different terminals. The experimental results confirmed that there are significant RSSI differences for each terminal in the anechoic chamber. In the real environment, the significant differences were confirmed for each point, and the rates at which significant differences were confirmed 68.8% in timing difference and 37.5% in terminal difference. Consequently, it is considered that the influence by the environment is larger than the variations of the RSSI of each terminal. We suggest the possibility of collecting RSSI at multiple terminals by considering a method of reducing errors due to the environment. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Localization / Fingerprinting-method / Fingerprint / Received Signal Strength Indicator / Significant difference / Access Point |
| Paper # | IN2018-136 |
| Date of Issue | 2019-02-25 (IN) |
| Conference Information | |
| Committee | IN / NS |
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| Conference Date | 2019/3/4(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Convention Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Chair | Takuji Kishida(NTT-AT) / Yoshikatsu Okazaki(NTT) |
| Vice Chair | Kenji Ishida(Hiroshima City Univ.) / Akihiro Nakao(Univ. of Tokyo) |
| Secretary | Kenji Ishida(KDDI Research) / Akihiro Nakao(KDDI Research) |
| Assistant | / Kenichi Kashibuchi(NTT) |
| Paper Information | |
| Registration To | Technical Committee on Information Networks / Technical Committee on Network Systems |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation of Gathering Fingerprints Method Using Multiple Terminals Considered Irregulars RSSI |
| Sub Title (in English) | |
| Keyword(1) | Localization |
| Keyword(2) | Fingerprinting-method |
| Keyword(3) | Fingerprint |
| Keyword(4) | Received Signal Strength Indicator |
| Keyword(5) | Significant difference |
| Keyword(6) | Access Point |
| 1st Author's Name | Takehiro Iwadate |
| 1st Author's Affiliation | National Institute of Technology,Sendai.(NIT,Sendai.) |
| 2nd Author's Name | Hideyuki Kobayashi |
| 2nd Author's Affiliation | National Institute of Technology,Sendai.(NIT,Sendai.) |
| Date | 2019-03-05 |
| Paper # | IN2018-136 |
| Volume (vol) | vol.118 |
| Number (no) | IN-466 |
| Page | pp.pp.313-318(IN), |
| #Pages | 6 |
| Date of Issue | 2019-02-25 (IN) |