Download - Bluetooth Positioning
Introduction
open platform specification for a radio frequency communication protocol for wireless devices.
2400 - 2483.5 MHz frequency range There are three classes of Bluetooth devices:
Class 1 :33 m Class 2 :10 m Class 3 :3 m
Challenges – distance calculation from rssi
Depends on device… Unstable for 1 device… Better result after pairing…
1 2 3 4 5 6 7 8 9 10
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
Bluetooth Distance/RSSI
Xperia TXNokia6270
Challenges – Platform & Language
1- Windows Platform Problem (HCI layer) 2- Linux need to install bluz package using
command: Sudo apt-get install bluz
Language Test (.Net (32feet), Java (bluecove), android)
We choose android!!!
References
Atlantis: Location Based Services with Bluetooth, Jason Yipin Ye , Department of Computer Science, Brown University
The Official Bluetooth Membership site: https://www.Bluetooth.org
http://www.stackoverflow.com/questions/13705647/finding-distance-from-rssi-value-of-bluetooth-low-energy-enabled-device
http://www.codeproject.com/Articles/783073/A-Simple-Android-SQLite-Example
http://www.mkyong.com/android/android-activity-from-one-screen-to-another-screen/