TruePosition: U-TDOA and Emergency Call Location
2Confidential and Proprietary
What is U-TDOA?
U-TDOA stands for Uplink Time Difference of Arrival
It is a wireless location technique that compares the time difference of mobile phone signals as they reach multiple location measurement units (LMUs)
2PIONEERING LOCATION SOLUTIONS FOR A SAFER WORLD
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How Does U-TDOA Work?
U-TDOA uses LMUs located at the base stations to calculate the time difference measurements used to determine the location of the mobile phone
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How Does U-TDOA Work?
The operator’s network makes a location request to the Wireless Location Gateway (WLG), which routes the request along the mobile phone’s channel assignment to the Wireless Location Processor (WLP)
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How Does U-TDOA Work?
The request is transmitted through the wireless operator’s network and then routed back to the WLG and the WLP
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How Does U-TDOA Work?
The WLP instructs the LMUs to listen for a signal
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How Does U-TDOA Work?
The LMUs measure the time difference of arrival of a mobile phone’s signal and send the measurements to the WLP
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How Does U-TDOA Work?
The WLP calculates the mobile phone’s location by determining the difference in the times the signal arrived at multiple LMUs
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How Does U-TDOA Work?
The WLG forwards the location to the operator’s network or the requesting application
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Emergency Call Location
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Security Solution
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High Accuracy
The more measurement points, the more accurate the location calculation — TruePosition U-TDOA can use up to 32 measurement points
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MEASURED LOCATION ERROR CUMULATIVE DISTRIBUTIVE FUNCTION FOR GSM DEPLOYMENT
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LOCATION ERROR (METERS)
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13Confidential and Proprietary
High Reliability
Measured field performance shows U-TDOA to be 99.9% reliable
Wireless network assigns RF resources to the mobile phone– U-TDOA receives the same RF resource
assignment, so it is assured to receive and locate the correct mobile’s signal
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U-TDOA Can Locate All Mobile Devices
Since U-TDOA is network-based, no additional hardware or software is needed for the mobile phone
U-TDOA can locate phones on all air interfaces
U-TDOA can locate phones in idle mode, which means that they are not currently making a voice call, or sending or receiving a text message
U-TDOA can locate all legacy and future phones
U-TDOA can locate all mobile phones that want to be located, as well as those that do not want to be located
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U-TDOA Works in All Environments
If a mobile phone can make or receive a call, then U-TDOA can locate it
Phones work in many different environments: urban, suburban, rural, indoors, and outdoors– The base station and the phone must be able to hear
each other to work
U-TDOA works in all environments where three or more LMUs can hear the phone’s signal– U-TDOA signal processing renders LMUs 10 to 1000
times more sensitive than base stations
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TruePosition Overview
A company solely dedicated to location-based technologies and solutions– 300+ employees worldwide– 140 patents
Solution Focus – Location-based Safety and Security (LBSS)Market Focus – Government, Enterprise, CarriersHQ in US with regional presence in EMEA, Asia, Latin AmericaA subsidiary of Liberty Media Corporation, a $22 billion corporation
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What We Do
TruePosition provides a comprehensive portfolio of technologies, products, and services to enable location-based safety and security solutions:– Public Safety: Emergency Call Location– National Security: Border Security, Critical Infrastructure Protection, Law
Enforcement– Personal Safety & Security: Personal Emergency Location Service, Personal Asset
Tracking
Location Technologies – Uplink Time Difference of Arrival (U-TDOA)– Assisted GPS (A-GPS)– Enhanced Cell ID (E-CID)
Core Products – TruePosition® Location Platform™ (TPLP™) – a location determination platform– TruePosition® Location Intelligence Management System™ (LIMS™) – a mobile
event and location data retention and mining system
Services – Consulting – Network design, maintenance, management– Systems integration, architecture design, project management
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18Confidential and Proprietary
TruePosition LBSS Model
GOVERNMENT ENTERPRISE CARRIER
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CHANNEL PARTNERS CHANNEL PARTNERS
SAFETY AND SECURITY SOLUTIONS
Emergency Call Location
Border Security
Critical Infrastructure Protection
Law Enforcement
Personal Emergency Location Service
Location Technologies
Services
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Location Hardware
Software
ENTERPRISE CARRIER
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OTHER
CHANNEL PARTNERS CHANNEL PARTNERS
SAFETY AND SECURITY SOLUTIONS
Emergency Call Location
Border Security
Critical Infrastructure Protection
Law Enforcement
Personal Emergency Location Service
Location Technologies
Services
PIONEERING LOCATION SOLUTIONS FOR A SAFER WORLD
Location Hardware
Software
19Confidential and Proprietary
Public Safety Solution – Emergency Call Location
Deployed Emergency Call Location solution — the largest location-based public safety solution in the world — to support FCC E9-1-1 mandate
Customers are major GSM carriers in the United States, including AT&T Mobility and T-Mobile
Powered by proprietary U-TDOA location technology– TruePosition® Location Measurement Units™ (LMUs™) installed at
base stations– Calculates location based on the difference in the time it takes the
uplink signal to reach multiple base stations
Installed over 75,000 LMUs across the United States
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20Confidential and Proprietary
U-TDOA Location Platform: Scalable, Robust, Proven
Protects 100+ million citizensLocates 5+ million calls every month
Covered by the TruePosition U-TDOA Location Platform
There is no PSAP requirement to locate 911 calls in that area
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TruePosition has broadly expanded its portfolio of solutions to address critical safety and security issues on a global basis
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PUBLIC PERSONAL
-- Emergency Call Location Personal EmergencyL"'V.I. If~L::IU
(E-911 / E-112 / E-999) Location Service
National Security Personal Asset
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National Security Personal Asset
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Law Enforcement
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22Confidential and Proprietary
TruePosition Differentiation
Unparalleled Experience and Expertise– Over 75,000 LMUs deployed– Locates more than 5 million calls per month– Largest company with a sole focus on location solutions
Broadest Solution Portfolio– Emergency Call Location (E9-1-1/E112/E999)– National Security: Border Security, Critical Infrastructure
Protection,Law Enforcement
– Personal Emergency Location Service– Personal Asset Tracking
Superior Technology– U-TDOA is ideal for mission-critical safety and security solutions —
it can locate any phone, in any environment, with high accuracy and reliability
– Substantial intellectual properties protected by over 140 patents– Robust future-proof platform infrastructure
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23Confidential and Proprietary
A Tragedy That Could Have Been Prevented
Williams Lake, British ColumbiaAn 18 year old male was walking home from a party and got lostHe called 9-1-1 four times and pleaded for helpThey located his phone using CGI, but were only able to narrow the search area to several square kilometersThe police conducted interviews with people at the party and searched for footprints in the snow
Ten hours later, police found the teen’s body in the snow – dead from hypothermia.
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A Tragedy That Could Have Been Prevented
Sydney, AustraliaThree teenage males were hiking in the Blue Mountains, and one got separatedWith 100°F (37°C) heat, he was lost and nearing dehydration, so he dialed 0-0-0He was told that he needed to provide a street address in order to be located
Eight days later police found the teen’s body slumped against a tree.
He named the trail he was last on and stated that he was near Mount SolitaryHe called 0-0-0 six more times and tried to provide more details about his location
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A Tragedy That Could Have Been Prevented
Calgary, Canada39 year old man was beaten up, thrown into a car, driven to the middle of nowhere and dumpedHe called 9-1-1 and reported that he was badly hurt and had no idea where he wasInvestigators could only trace the location of the call using CGI, so the search area was several square kilometers
Three days later, using dogs and a helicopter, the police found the man’s body in a field of tall grass.
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A Capsized Boater Rescued
Corpus Christi, TexasA boat in the Gulf of Mexico capsized and the boater called “Mayday…Mayday…”Boater’s mobile phone was not GPS-enabledTraditional wireless location technology (Cell ID) could only narrow the search area to a 1,280 square mile area
The boater was rescued within 40 minutes of his initial mayday call.
The TruePosition U-TDOA Location Platform accurately located the boater and the United States Coast Guard sent a helicopter to the exact location
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An Abduction Foiled, Criminal Captured
Hamilton County, OhioA female was abducted and locked in the trunk of the assailant’s carBecause the victim was in the trunk, A-GPS was not an optionWithout an active call, no cell site location information was possible
Police were able to set up a road block, and apprehend the suspect.
The TruePosition U-TDOA Location Platform accurately located the vehicle, and calculated the direction and velocity
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A Human Tragedy Prevented
Tallahassee, FloridaMan called 9-1-1 and reported that his wife had taken their four-year old son in her car and was planning to kill the boy and herselfWife had been traveling by car for several hours – she did not contact anyone and no one knew her current location
Mobile phone signal was relayed to police in Tennessee, 300 miles away. They found the woman and child, both unharmed.
The TruePosition U-TDOA Location Platform was able to accurately locate her mobile phone, even though she was not actively using it
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Armed Robbery in Progress Interrupted
Chester County, PATwo robbers confront a hotel’s night manager with gunsHe dials 9-1-1 from his mobile phone then tosses the phone onto the ground, out of sightA-GPS would not have been likely to obtain an accurate location since the phone was indoors and obstructed
Police were able to stop the robbery in progress, saving the manager and guests from potential further harm.
The TruePosition U-TDOA Location Platform accurately provided the location of the mobile phone to the 9-1-1 responder, who dispatched police to the hotel
Image from Hotel Robbery Case
Study
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Thank YouFor more information, please visit trueposition.com
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