1. acceSS7 location Handset Location From Network Signaling Monitoring WE S N

2. WE S N Consumer Services Business Services What Are Mobile Location Services ? Personal Security & Safety emergency personal location Personal Navigation / turn- by turn directions Generic Services Location-based attraction & entertainment listings Location- based gaming M-Commerce L-Commerce Community Buddy-finder Where’s the nearest? Directory Routing News Traffic Taxi Customer Locator Fleet Management Network Management Asset tracking

3. WE S N Location Based Services : Revenues Source : OVUM

4. WE S N Why Excitement About Location – Based Services ? Strategically Important New customer ownership Mobile Location Services important component & enabler of future services Market Potential $15Bn by 2006 Growth engine Will be a “hygiene factor” Customer expectation and regulatory pressure

5. WE S N Service Provider Needs for MLS  Get experience now from early deployment of location based services with minimal initial investment  Provide location services to current customers without handset change out  Technology roadmap that enables ramp to mass market deployment of location services & support for 2.5 & 3G  Platform that allows for the broadest portfolio of new location services (business & consumer applications)  Control the information that enables new application areas

6. WE S N Shortcomings of Other Solutions  E-OTD – medium accuracy but v.Expensive ; replacement of legacy handsets, impact on n/w infrastructure, handset query required, new technology  GPS / A-GPS – cannot locate during call, poor indoor capabilities, expensive handset replacements, time-to- lock, unsuitable for mass market applications  Cell-id – poor accuracy  Enhanced cell-id - enhanced data difficult to get from network equipment in necessary quantities

7. WE S N acceSS7 location approach Enables a broad variety of business and consumer applications Best platform for mass market deployment - highly available & accessible database of location data for all active & idle subscribers Good location accuracy at considerably lower cost than other techniques - no expensive handset / base-station mods / RF receivers Rapid realisation of new location services revenue - works with all legacy (GSM) handsets from day one Near zero latency – refresh twice per second for active calls Totally passive - does not threaten network performance

8. WE S N SS7 PSTN BSC Transit Network MSC HLR GMSC BTS acceSS7 location architecture A-BIS access7 location

9. WE S N Locating the Handset : Basic Cell-id  Cell-ID : the cell (or base station) the handset is connected to  Operators know where the cell sites are  Accuracy depends on cell density

10. WE S N Locating the Handset : Timing Advance  Timing Advance is a GSM specific parameter  Measures the round trip delay between the handset and the base station to ensure correct timing for RF burst arrival

11. WE S N Locating the Handset : Rx Lev  Handset makes measurements on the air interface to facilitate hand-over decisions  The measurement reports contain power levels for the serving & neighbouring cells  This RxLev can be triangulated to estimate base station to handset distance, esp. when combined with RF planning data Zoom …

12. WE S N Locating the Handset : S/W Enhancement  Track moving subscribers, relate to roads & railways (30% subs are moving)  Grid Map data analysis  “Learns” RF characteristics Zoom … A721

13. WE S N Key Features Totally passive offloads effort from network Vendor independence Information accessibility, availability & volume Scalable Twice per second location measurements Correlation (e.g. Rx power level, Tracking handovers), GIS analysis & floating car data for increased accuracy Platform designed for purpose (network elements can’t monitor!) Flexible and conforms to GSM standards

14. WE S N Service Provider Needs for MLS  Get experience now from early deployment of location based services with minimal initial investment  Provide location services to current customers without handset change out  Technology roadmap that enables ramp to mass market deployment of location services & support for 2.5 & 3G  Platform that allows for the broadest portfolio of new location services (business & consumer applications)  Control the information that enables new application areas