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Smart city article details
| Title | The Indoor Positioning System Using Fingerprint Method Based Deep Neural Network |
|---|---|
| ID_Doc | 55855 |
| Authors | Malik R.F.; Gustifa R.; Farissi A.; Stiawan D.; Ubaya H.; Ahmad M.R.; Khirbeet A.S. |
| Year | 2019 |
| Published | IOP Conference Series: Earth and Environmental Science, 248, 1 |
| DOI | http://dx.doi.org/10.1088/1755-1315/248/1/012077 |
| Abstract | Highly dynamic indoor environments being one of the challenge in the Indoor Positioning System (IPS). Collecting the Received Signal Strength (RSS) value from every WiFi access point known fingerprint method is presented by previous researchers. They proposed with different techniques in fingerprint methods to compete similar existing technology such as GPS in term of accuracy. The drawback using fingerprint is the IPS cannot maintain the high performance constantly. In this research, we propose the Deep Neural Network (DNN) algorithm for improving the fingerprint method in the IPS. Basically, the fingerprint method consists of two phases, Online and Offline phases. In the off-line, RSS values will be collected from several coordinates as known reference points and stored in the database. The online phase has different step which the current position will be compared to RSS values stored in the database. The DNN method was used to calculate the closest position estimation probability. The IPS using DNN was successfully applied using 5 layers consisting of a 1 input layer, 3 hidden layers and 1 output layer. The input and hidden layer have 28 nodes for each layers and output layer has 2 nodes. The simulation results from RSS data set has achieved 2 meters accuracy. It concluded that DNN performance depends on the number of hidden layers and the number of nodes in each hidden layer. © 2019 IOP Publishing Ltd. All rights reserved. |
| Author Keywords | Deep Neural Network; Fingerprint method; Indoor Positioning System |
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