Satellite ADS-B Receiving Stations for Global Air Traffic Coverage
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Solution Overview
Problem
Current air traffic control systems face challenges in providing global coverage, especially over oceans and remote areas, due to limitations in ground-based ADS-B infrastructure, leading to inefficiencies and safety concerns in air traffic management.
Innovation Solution
Implementing satellite-based receiving stations that can receive and process ADS-B broadcast signals from aircraft, allowing for global coverage without the need for extensive ground-based infrastructure, and enabling continuous monitoring of aircraft across all altitudes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ground-based ADS-B receiving stations are used to provide air traffic control coverage, then air traffic control capability is available in covered regions, but the number of stations required becomes very large and the infrastructure becomes complex
Solution Approach 1:
The patent transitions from ground-based receiving stations operating in two dimensions (horizontal coverage) to satellite-based receiving stations operating in three dimensions (orbital coverage). Satellites positioned in space can cover vast geographic areas including oceans and remote regions, dramatically reducing the number of stations needed while maintaining or improving coverage reliability.
Solution Approach 2:
The satellite-based receiving stations serve multiple functions: they provide air traffic control coverage over land and ocean areas, monitor aircraft in remote regions, and enable continuous surveillance without the need for extensive ground infrastructure. This multi-functional capability resolves the contradiction by achieving comprehensive coverage with fewer stations.
2Reliability
If ground-based ADS-B receiving stations are deployed to achieve global coverage, then surveillance capability is improved, but the cost and effort required for deployment and maintenance increases significantly
Solution Approach 1:
By moving receiving stations from the ground to satellite orbit, the system achieves global coverage including oceans and remote areas without the need for physical deployment on every continent. Satellites can be launched and positioned in space, providing coverage over inaccessible regions without ground-based deployment efforts.
Solution Approach 2:
Satellites act as intermediaries between aircraft and ground-based air traffic control systems. The satellites receive ADS-B signals from aircraft and relay this information to ground stations, enabling surveillance in regions where direct ground-based reception would be impractical or impossible.
3Area of stationary object
If a large number of ground-based receiving stations are arranged to provide coverage at low altitudes, then coverage area is increased, but the range of each individual station remains limited by line-of-sight constraints
Solution Approach 1:
The patent exploits the third dimension (altitude/orbit) by placing receiving stations in satellite orbit rather than on the ground. This elevated position allows satellites to see over the curvature of the Earth and cover vast areas including oceans and remote regions, dramatically increasing coverage area while maintaining effective communication range.
Data Source
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AI summary
The arrangement has receiving stations (20) staying in connection with a flight security and/or air-traffic control central station (11). A part of the receiving stations is designed as satellite i.e. low earth orbit (LEO) satellite, receiving stations, such that the receiving stations receive a 1090 megahertz broadcast signal (5) transmitted by a transmission station (3) designed as a mode S extended squitter. A part of data contained in the signal is transmitted via a radio transmission route (21) to a satellite ground control station (22) and to the central station or other organizations. An independent claim is also included for a method for flight security and/or air-traffic control of an aircraft.