Patent · US Active

Enhanced LDACS that uses doppler shifts in carrier signals for positioning and navigation

US12399274B2 · kind B2 · utility

0Cited by
10References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 2022
Grant dateAug 26, 2025
Priority date
Expiry dateJul 28, 2043

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01S13/933
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An enhanced L-band Digital Aeronautical Communications System (LDACS) includes a plurality of LDACS ground stations, each transmitting a respective carrier signal. An LDACS airborne station may be configured to communicate with the plurality of LDACS ground stations and determine position information based upon respective Doppler shifts in the plurality of carrier signals.

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