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Intelligent Transportation Systems © 3M 2001 Presentation of 3M Company for the Special Meeting of the IRAC on GPS Repeaters October 28, 2005 by Harold Mordkofsky Blooston, Mordkofsky, Dickens, Duffy & Prendergast 202-828-5520 / halmor@bloostonlaw.com
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Intelligent Transportation Systems © 3M 2001 3M’s interest in GPS repeaters (or re-radiators) For use in conjunction with Opticom™ GPS system
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Intelligent Transportation Systems © 3M 2001 3M’s proposal will include restrictions on use and operation GPS repeaters will not fall into the wrong hands Use will not compromise conventional GPS equipment Use will not cause interference to other GPS users
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Intelligent Transportation Systems © 3M 2001 Implementation of 3M’s proposal will: Significantly contribute to safety of life and property Satisfy the concerns of regulators
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Intelligent Transportation Systems © 3M 2001 3M is seeking experimental authorization to: Demonstrate equipment to prospective purchasers Test equipment – obtain regulatory approval Conduct field studies to evaluate interference potential
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Intelligent Transportation Systems © 3M 2001 Opticom™ GPS system features Controls traffic signal priority Does not disrupt normal traffic flow
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Intelligent Transportation Systems © 3M 2001 Need for GPS repeaters Emergency vehicles must acquire GPS signal quickly GPS signal provides location and timing synchronization
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Intelligent Transportation Systems © 3M 2001 How the 3M Opticom™ GPS system works Transmitter on emergency vehicle sends 2.4 GHz signal Receiver near intersection converts signal to electronic communication Phase selector in controller cabinet request priority advantage to control traffic light Traffic light turns green as emergency vehicle approaches intersection GPS repeater assures that all of this takes only seconds from start of run
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Intelligent Transportation Systems © 3M 2001 How the 3M Opticom™ GPS system works Emergency vehicles shielded from GPS signal since housed in closed buildings Use of GPS repeater allows vehicle to be “locked on” to GPS signal at all times
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Intelligent Transportation Systems © 3M 2001 Without GPS repeater, acquisition of GPS signal is delayed by: Time to start up vehicle and exit the building Shielding from trees, tall buildings and other obstacles Critical delay of up to five minutes before emergency vehicle could lock on to GPS signal Precious time may be lost in emergency circumstances!
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Intelligent Transportation Systems © 3M 2001 0% Before 4 minutes 42% survived After 4 minutes 7% survived Time In Minutes 12341234 Survival Rate – Cardiac Arrest Cole and Corday “Four-minute Limit for Cardiac Resuscitation” 911 Emergency Response Management – Travel and Response Time minutes
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Intelligent Transportation Systems © 3M 2001 Flashover Fire test jointly conducted by Factory Mutual Research and Harvard University 911 Emergency Response Management – Travel and Response Time
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Intelligent Transportation Systems © 3M 2001 Typical GPS repeater installation: GPS repeater in building in view of vehicle EIRP limited to -140 dBm at 100 ft. With 3 dB antenna, ERP limited to 39.8 pW Notification to FCC of particulars of operation location, number of units power, emission designator any other information deemed pertinent
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Intelligent Transportation Systems © 3M 2001 3M’s use of GPS repeaters would be within present regulatory limitations Radiation below level permitted by FCC for spurious emissions
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Intelligent Transportation Systems © 3M 2001 Adherence to NTIA policy objectives: Individual license for each GPS repeater FCC will have full particulars of operation No operation for more than six months without regular license Use of GPS repeater terminates if any reported interference cannot be eliminated Two-year license term and listing of approved sites in accessible database
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Intelligent Transportation Systems © 3M 2001 Potential interference is strictly limited Use under control of public safety officials – well known in their communities. Other users of GPS notified of use of GPS repeaters “Stop buzzer” phone no. available 24/7 GPS repeater shuts down pending investigation and remediation Other emergency uses of GPS not compromised
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Intelligent Transportation Systems © 3M 2001 3M will provide periodic reports as requested by FCC Proposed use of GPS repeaters will contribute to development of standards Will provide federal government with valuable information
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Intelligent Transportation Systems © 3M 2001 Summary Proposal strictly tailored to limit use and avoid interference Will operate inside buildings Will operate at lowest power possible Will be under supervision of local government public safety officials
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Intelligent Transportation Systems © 3M 2001 Summary Use of GPS repeaters will save lives! serves an important function of FCC’s regulation of radio 3M will institute rulemaking based on information developed during experimental operations
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