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Enhanced location data in emergency call handling

  • US 8,761,722 B1
  • Filed: 09/14/2012
  • Issued: 06/24/2014
  • Est. Priority Date: 09/14/2012
  • Status: Active Grant
First Claim
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1. A telematics unit for use in a vehicle, comprising:

  • a cellular radio transceiver operable for placing an emergency call in a wireless access network;

    a location data generating unit operable to determine and output enhanced location information about the vehicle location;

    a processor;

    a memory; and

    an application stored in the memory that, when executed by the processor,builds an emergency call origination message, including at least some of the enhanced location information, wherein the at least some of the enhanced location information comprises an identification of a highway on which the vehicle is travelling,transmits the emergency call origination message via the cellular radio transceiver to a public safety answering point, andperiodically transmits updates of the enhanced location information to the public safety answering point while connected to the public safety answering point in the emergency call.

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