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 ASDE(X)/ADS-B/M-lat Augmentation Airports and Air Navigation Services (ANS) providers use surface movement management systems in order to facilitate the safe and expeditious flow of traffic on the airport surface. These systems provide users with real-time situational awareness of traffic throughout the airfield. There are two primary systems used for ground control: 1) Surface Radar 2) Multilateration (MLAT) While these systems address a significant component of ground control requirements, neither system alone provides a comprehensive solution as limitations exist with each system. In the case of surface radar, blind spots and multipathing tend to affect the usability of the system. In the case of MLAT, any targets not in possession of a transponder will not be detected or tracked by the system. Therefore, the use of a complimentary system like IntelliDAR™ is critical to provide a real time view of these coverage gaps. This provides the controller a full, comprehensive picture of the entire airfield surface allowing them to make timely traffic management decisions. Key Benefits » Monitors non-cooperative targets » Coverage of "blind spots" without altering existing system » Enhance coverage of high-traffic area, or "hot spots" » Correct false targets or multiple targets reporting » Targets information can be presented to an existing ATC display To download a product brochure, click here. |
The problem in the scenario identified below is a particular multi-path reflection in the area identified by the camera view triangle. Aircraft traveling along the taxiway would cause the ASDE to display multiple targets. 
The next picture shows the view of the IntelliDAR™ cameras located near the runway. In this view, two planes are displayed and tracked within a +/- 15m accuracy (as required by the system in this case). This data can be fed in real-time to the ASDE fusion processor which can then display a seamless surveillance picture to the controllers. 
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