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Transmission of location information by a transmitter as an aid to location services

  • US 8,897,801 B2
  • Filed: 02/24/2009
  • Issued: 11/25/2014
  • Est. Priority Date: 06/13/2008
  • Status: Active Grant
First Claim
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1. A method for wireless communication, comprising:

  • generating at a transmitter an overhead message comprising coordinate information and uncertainty information associated with the transmitter wherein the uncertainty information comprises uncertainty of a horizontal location of the transmitter; and

    broadcasting the overhead message from the transmitter to terminals within coverage of the transmitter, wherein the overhead message is broadcast prior to establishing a positioning session with the terminals via a positioning protocol.

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