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System and method for evaluating accuracy of an automatic location identification system

  • US 7,313,402 B1
  • Filed: 06/24/2003
  • Issued: 12/25/2007
  • Est. Priority Date: 06/24/2003
  • Status: Expired due to Fees
First Claim
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1. A method for evaluating accuracy of an automatic location identification (ALI) system configured to locate a wireless communication device originating a call through a wireless communication network, said method comprising:

  • identifying a validation region in which a service area of a public safety answering point (PSAP) and a radio frequency (RF) coverage area of said wireless communication network overlap;

    selecting a test scenario that represents a calling environment in which said call may occur;

    choosing a test point in said validation region exhibiting said calling environment represented by said test scenario;

    determining a ground truth of said test point;

    performing a test call from said test point, said test call simulating said call;

    obtaining a reported location of said test point from said ALI system in response to said performing operation; and

    comparing said reported location with said ground truth to determine said accuracy of said ALI system in response to predetermined accuracy parameters.

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