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Mobile positioning using intergrated ad-hoc network

  • US 7,231,216 B2
  • Filed: 12/05/2001
  • Issued: 06/12/2007
  • Est. Priority Date: 12/06/2000
  • Status: Expired due to Fees
First Claim
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1. A mobile station positioning method for a cellular communications system comprising,evaluating an initial position estimate of a target mobile station, the initial position estimate having an initial area of uncertainty,evaluating a position estimate of a further mobile station also having an area of uncertainty,evaluating an estimate of distance between said target mobile station and said further mobile station, andusing said initial position estimate of a target mobile station, said position estimate of a further mobile station, and said estimate of distance between said target mobile station and said further mobile station to evaluate a new position estimate of the target mobile station having an area of uncertainty less than said initial area of uncertainty.

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