Patent · US Active

Location determination using formula

US8213389B2 · kind B2 · utility

25Cited by
19References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 2008
Grant dateJul 3, 2012
Priority date
Expiry dateMar 1, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01S5/0221
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Among other disclosed subject matter, a method includes obtaining, in a mobile device, power information indicating a detected power of respective signals received from multiple transmitters. The method includes determining a location of the mobile device using a formula that uses: locations of the multiple transmitters, a first function of the power information and a second function of respective locations of the multiple transmitters. The method can include recording the determined location.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.