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BBK LBS 2009 ET

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  • FCC Docket 94-102Approved by the US CongressSigned by the White House on June 12, 199650 meter accuracies 67% of the time, 150 meter accuracies 95% of the time
  • Transcript

    • 1.
    • 2. 2
      Jon Spinney
      2001 GISc Graduate | I tudor this topic
      jonathan.spinney@bbk.ac.uk
      jonspinney.com
    • 3.
    • 4.
    • 5.
    • 6.
    • 7.
    • 8. Location-Based Services
    • 9. Connected | Contextual | Mobile | Services
    • 10. This Evenings Discussion
      Origins & History
      Definitions
      Positioning Technologies
      Architectures
      APIs, Standards, and Access
      Geoprocessing Primitives
      Privacy
      User Created Data and Advanced Analysis
      10
    • 11. Origins & History
    • 12. June 12, 1996
      12
      911
    • 13. 13
      911 Service Bureau
      Mobile Positioning Center
      ALI Database
      4.
      Location Response
      5.
      Positioning
      Location sent to ALI database
      ALI
      Request/Response
      8.
      7.
      Location Request
      3.
      Call Routed to PSAP
      6.
      911 Service Bureau
      Call routed
      2.
      911
      dialed
      1.
      Govt. CAD & GIS Systems
      9.
      Operator Switch
      Response Teams Deployed to distressed callers location
      10.
    • 14. 14
    • 15. 15
    • 16. 16
    • 17. 17
      App3
      App2
      App1
      LIF: Sept 9, 2000
      APIs: OMA-MLP, (Parlay-X, OpenLS)
      MPC/GMLC
      Middleware
      Authentication, Authorization, Accounting
      OA&M
      Customer Care
      Access
      Policies
      Privacy
      Policies
      Transaction
      Records
      Billing
      Provisioning
      Gateway Mobile Location Center
      WAP-GW
      MSC
      SMS-C
      HLR
      Cell-ID Database
    • 18. 18
    • 19. 19
      Operator-Branded
      Web Browser Based
      Custom GIS and Map Data
      | No Handheld Maps |
    • 20. 20
      GPS Chipsets Too Large & Expensive.
      Handsets Poor. Mapping Bad.
    • 21. 21
      Iposdet
      Oct 8, 2002
      JSR-179
      April 9, 2002
    • 22. 22
    • 23. 23
    • 24. 24
    • 25. 25
      June 2005
      Mar 2004
      July 2005
      April 2004
      Mar 2005
      Nov 2005
    • 26. 26
    • 27. 27
      Oct 2009
      Services
      GeoLocation API
      2008-2009
      Core OS Location API
      Cell-ID/Wifi Databases
    • 28. Definitions
    • 29. Three Technology Camps
      Mobile Communications
      Consumer Electronics and Semiconductor
      The Web
      29
    • 30. Mobile Communications
      Limited to Cellular Location Technologies
      Server-Centric Designs Inherited by 911 Voice-Architectures (SS7)
      Mobile Positioning Centers, Gateway Mobile Location Centers
      Secure User Plane Location (SuPL)
      Web services-based access (OMA-MLP, Parlay-X, RESTful APIs)
      Tightly Controlled by Network Operators
      Expensive Systems = High-Cost Premiums to Developers
      30
    • 31. Electronics & Semiconductor
      Client-Centric GPS/A-GPS Technologies
      Network-Agnostic, Sometimes Unconnected
      IP-based Data Architectures for Assisted GPS
      Exposed Through Mobile OS APIs, Controlled by Manufacturers
      Not just phones. PCs, ultra mobile PCs, personal media players, mp3 players, digital cameras, digital video recorders, PC cards, PNDs, watches, dedicated locator devices
      Very low cost (£3 per chipset)
      31
    • 32. The Web
      IP Address and WiFi Mapping Initially
      Emerging support for carrier-independent Cell-ID
      Exposed Through Services, Browsers, and OS Cores
      Core Location from OS
      Standards-based W3C GeoLocation from the Browser
      Control is Distributed Across the Web of Players
      Price of the Web = Free
      32
    • 33. Positioning Technologies
    • 34. Cellular Network Topology
      34
      Base Stations
      Cells
    • 35. 35
    • 36. Cell-ID
      36
      Cell
    • 37. Timing Advance
      37
      Time to Mobile Within Sector, Converted to Distance
    • 38. Time of Arrival
      38
      Time Differences from Each Base Station Converted to Distances, Interpolated
    • 39. Time Difference of Arrival and Advance Forward Link Trilateration
      39
      Time Difference From Device to each Base Station Converted to Distances, Interpolated
    • 40. Assisted GPS
      40
      Knowing Where to Look for a GPS Signal
      Base Station
      A-GPS Server
      GPS Receiving Station
    • 41. Skyhook Wifi Database
      41
    • 42. Google Cell-ID & Wifi Databases
      42
    • 43. Architectures
    • 44. 44
      Network Initiated Location
      MPC/GMLC
      Web & Mobile Web Clients
      Web Services
      Your Application
    • 45. Emerging Server Location Alternatives
      45
      Your Applications
      Aggregation Service
      Autonomous Location Data
    • 46. Handset Initiated Location
      46
      Assisted
      Autonomous
      A-GPS, WWRN Services
      Web Services
      Your Application
      Web Services
      Your Application
    • 47. APIs, Access, Standards
    • 48. 48
    • 49. Geoprocessing Primitives
    • 50. Geocoding/Reverse Geocoding
      Malet StreetLondon, WC1E 7HX,
      UK
      = 51.52461, -0.13375
      51.52461, -0.13375
      = Malet Street London, WC1E 7HX,
      UK
    • 51. Proximity Searching (Buffer)
    • 52. Point-In-Polygon
    • 53. Network Analysis
      Shortest
      Fastest
      Safest
    • 54. Mapping
    • 55.
    • 56. Privacy
    • 57. “You Have Zero Privacy. Get Over It.”
      -Scott McNealy, Jan 1999
    • 58. Location + Identity
    • 59.
    • 60.
    • 61. I can fake my Latitude or Brightkite location whenever I want, and do spoof it sometimes when I’m in a punchy mood.
    • 62.
    • 63.
    • 64. Exercise
    • 65. 1. Customer service
      request reported
      through call center
      or portal into CRM or ERP
      2. ERP or CRM Application
      queries Location Web
      service for closest
      available field worker
      4. Application delivers
      work orders as
      messages to phones
      Presence, Location
      Messaging
      3. Application queries
      GIS Web service
      for Maps, Routes, etc
    • 66.
    • 67. User Created Data & Advanced GI Analysis