Patent · US Expired

Methods and systems for location estimation

US7257412B2 · kind B2 · utility

6Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 2005
Grant dateAug 14, 2007
Priority date
Expiry dateAug 5, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01S5/12
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Methods and systems for location estimation. Signals are received from a plurality of satellites and a plurality of base stations by a mobile station. The location of the mobile station is estimated according to TOA (Time-Of-Arrival) and TDOA (Time Difference-Of-Arrival) measurements calculated based on the signals.

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