Barcamp Stuttgart 2 presentation about indoor localization methologies with sensor equipped mobile devices.

1. @onlythoughtwork @drewenut

2. The city is indoors…but location matters! #bcs2: Sensor-driven indoor positioning

5. However there is no appropriate solution for confined spaces yet.

6. But 20 million sensor powered handsets were sold in 2008.

7. And heavy passive RF-infrastructure in urban areas #bcs2: Sensor-driven indoor positioning

9. ‏ GSM

10. Bluetooth

11. GPS

13. Electric Compass

15. Positioning System Quelle: IEEE Communications Magazine Feb 2002, Indoor Geolocation Science and Technology #bcs2: Sensor-driven indoor positioning

17. Scene analysis

18. Patterns on floors, walls…

21. GSM

22. Bluetooth

24. Estimate user position by matching a RF sample with the radio map #bcs2: Sensor-driven indoor positioning

26. Passive (no infrastructure) ‏

27. Long term fading

29. Training phase Quelle: IEEE Communications Magazine Feb 2002, Indoor Geolocation Science and Technology #bcs2: Sensor-driven indoor positioning

32. Environmental infrastructure

33. CPU-intensive

34. Specialized hardware

35. Positioning on server #bcs2: Sensor-driven indoor positioning

36. Multi-Path-Propagation #bcs2: Sensor-driven indoor positioning

38. Gyroscope

40. Estimate position by speeds over elapsed time #bcs2: Sensor-driven indoor positioning

41. Inertial Navigation Set (IRBM S3) Quelle: wikipedia #bcs2: Sensor-driven indoor positioning

42. 6-axis Electronic Compass (G1) Quelle: http://www.phonewreck.com/wiki/index.php?title=Image:T-mobile_g1_main_pcb_2.jpg #bcs2: Sensor-driven indoor positioning Asahi Kasei Microsystems (AKM) AK8976A

44. Received signal strength (RSS) measuring

45. RSS values decrease with distance

46. Create a radio map with recording fingerprints for a set of locations #bcs2: Sensor-driven indoor positioning

48. Connected cell

49. Neighboring cell

50. BCHH channel #bcs2: Sensor-driven indoor positioning

52. Enviroment landmarks #bcs2: Sensor-driven indoor positioning

53. Positioning via Bluetooth (2) #bcs2: Sensor-driven indoor positioning

55. Bluetooth

56. GSM

57. Inertial sensors

58. QR-Codes

60. Continous Learning

61. Open Source #bcs2: Sensor-driven indoor positioning

62. Finite State Machine #bcs2: Sensor-driven indoor positioning

64. CBR (Consumer Based Routing)

67. Light

68. Energy Saving #bcs2: Sensor-driven indoor positioning