Implement a positioning algorithm based on fingerprinting for university\'s indo

Question

Implement a positioning algorithm based on fingerprinting for university's indoor localization using RSSI signals using JAVA language. Info needed: the localization will be only in one floor. this floor contains 3 wifi access points (SMU,SMU Guest, SMU Student) the program will locate your position in only 2 classrooms (Room 2.3 Room 2.4) the average of RSSI Signal strength measurements(for the offline database)are as follow: For Room 2.3: SMU: -46 db SMU Student: -51db SMU Guest: -56 db For Room 2.4: SMU: -41 db SMU Student: -52db SMU Guest: - 58 db

Explanation / Answer

RSSI - Recieved Signal Strength Index can be used for various purposes.

Here we are using it to find out the position of the user.

The positioning algorithm can be summarised into the following steps:

Explained steps:

Algorithm- Kalman Filtering

input: Calculated distance dist;

output: estimated distance d;

3. Triangulation: Once the three distances is known, triangulation is performed to determine its coordinates.

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