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
  • BBK LBS 2009 ET

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

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