Multilateration techniques are used to provide accurate aircraft tracking data for aircraft on the ground and in the vicinity of an airport. From this data, aircraft noise and operations management may be enhanced. Aircraft noise may be calculated virtually using track data in real-time and provided...http://www.google.es/patents/US7889133?utm_source=gb-gplus-sharePatente US7889133 - Multilateration enhancements for noise and operations management
Multilateration enhancements for noise and operations management