1 / 10

E911 PHASE 2 LOCATION SOLUTION LANDSCAPE

E911 PHASE 2 LOCATION SOLUTION LANDSCAPE. Mark Birchler, Manager Wireless Access Technology Research Motorola Labs birchler@rsch.comm.mot.com. ACRONYMS. A-GPS Assisted Global Positioning System AOA Angle of Arrival E-FLT Enhanced Forward Link Triangulation E-OTD

lavina
Télécharger la présentation

E911 PHASE 2 LOCATION SOLUTION LANDSCAPE

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. E911 PHASE 2 LOCATION SOLUTION LANDSCAPE Mark Birchler, Manager Wireless Access Technology Research Motorola Labs birchler@rsch.comm.mot.com

  2. ACRONYMS • A-GPS • Assisted Global Positioning System • AOA • Angle of Arrival • E-FLT • Enhanced Forward Link Triangulation • E-OTD • Enhanced Observed Time Difference • RSS • Received Signal Strength • TDOA • Time Difference of Arrival • TOA • Time of Arrival

  3. AOA TDOA LOCATION SOLUTION “FAMILY TREE” “Where are you?” NETWORK HANDSET “Fingerprint” E-OTD (TDOA) A-GPS TOA GPS TDOA + RSS E-OTD + A-GPS TDOA + AOA E-FLT E-FLT + A-GPS

  4. NETWORK BASED: TDOA • Network impact • Location calculation and control • Network interconnection (digital systems) • Site impact • Location receivers • Handset impact • None • Systems addressed • Shipping product: AMPS • Announced product: [need data] • Under development: [need data] • Legacy handsets • Covered Location Calc & Control Serving Cell Neighbor Cell # 1 MS Location Receivers Neighbor Cell # 2 • TDOA: Time Difference of Arrival • Minimum of 3 sites measure arrival time of MS transmission • Location solution based on apparent arrival time differences between pairs of sites

  5. NETWORK BASED: AOA • Network impact • Network interconnection (digital systems) • Location calculation and control • Site impact • Location receivers • Additional antenna arrays plus cables • Handset impact • None • Systems addressed • Shipping product: [need data] • Announced product: [need data] • Under development: [need data] • Legacy handsets • Covered Location Calc & Control Antenna Array Neighbor Cell # 1 Serving Cell MS Location Receivers • AOA: Angle of Arrival • Minimum of 2 sites measure arrival angle of MS transmission • Location solution based on apparent signal arrival angle

  6. NETWORK BASED: MULTIPATH FINGERPRINT • Network impact • Network interconnection (digital systems) • Location calculation and control • Site impact • Location receivers • Handset impact • None • Systems addressed • Shipping product: [need data] • Announced product: [need data] • Under development: [need data] • Legacy handsets • Covered Location Calc & Control Serving Cell MS Location Receivers • Multipath Fingerprint • Minimum of 1 site measures attributes of received signal (i.e., “multipath fingerprint”) • Location solution based on matching of received signal fingerprint with predetermined location/fingerprint data base

  7. HANDSET/NETWORK BASED: E-FLT Location Calc & Control • Network impact • Location calculation and control • Site impact • Calibration of site sync • Handset impact • None • Systems addressed • Shipping product: • Announced product: • Under development: CDMA • Legacy handsets • Covered Serving Cell Neighbor Cell # 1 MS Synchronized Sites Neighbor Cell # 2 • E-FLT: Enhanced Forward Link Triangulation • TDOA solution based on MS measurements • TOA ranging & coarse AOA via existing site antennas • CDMA unique solution

  8. HANDSET BASED: A-GPS • Network impact • GPS assist and location calculation • Site impact • Potential enhancements for non-synchronized systems • Handset impact • Second GPS antenna • GPS RF front end & processing • Memory • Software • Systems addressed • Shipping product: [need data] • Announced product: [need data] • Under development: [need data] • Legacy handsets • Not covered GPS Assist & Location Calc GPS SV Serving Cell MS • A-GPS: Assisted Global Positioning System • Minimum of 1 site data link plus time of arrival (TOA) measurements to 3 GPS satellites (SV) • Location solution based on apparent TOA from GPS SVs

  9. HANDSET BASED: E-OTD Location Calc & Control • Network impact • Location calculation and/or control • Site impact • EITHER time synchronization enhancement • OR site time error measurement and calibration (LMU’s) • Handset impact • Memory • Software • Systems addressed • Shipping product: [need data] • Announced product: [need data] • Under development: GSM • Legacy handsets • Not covered Serving Cell Neighbor Cell # 1 MS Synchronized Sites or LMUs Neighbor Cell # 2 • E-OTD: Enhanced Observed Time Difference • TDOA solution in handset • Arrival time of transmissions from a minimum of 3 sites • Location solution based on apparent arrival time differences between pairs of sites

  10. COMPOSITE SYSTEMS • AOA + RSS (Received Signal Strength) • AOA + TDOA • E-OTD + A-GPS • A-GPS + E-FLT • Other?

More Related