Title :
New Approaches to Multilateration processing: analysis and field evaluation
Author :
Galati, G. ; Gasbarra, M. ; Magaro, P. ; De Marco, P. ; Mene, L. ; Pici, M.
Author_Institution :
Tor Vergata Univ., Rome
Abstract :
The "multilateration" (MLAT) system is a surveillance and identification element of the A-SMGCS using the SSR transponder (Mode S or even A/C) reply/squitter as signals received by fixed stations where the time-of-arrival (TOA) is measured. In a central processing unit, the target position is estimated by the TDOA technique (time difference of arrival), for which a station is assumed to be the reference one. The cooperation between Tor Vergata University and the Company SELEX-S.I. has originated a new generation MLAT system (whose original features are patented) tested in a small Italian airport (Tassignano, Tuscany) in 2004/05 and presently (early 2006) installed at Milano Malpensa (MXP) airport. The new features includes (a) time-of-arrival estimation, (b) MLAT algorithms, (c) recovery of clocks deviations; they have permitted advanced surveillance performance in terms of accuracy, timeliness and integrity
Keywords :
airports; direction-of-arrival estimation; surveillance; synchronisation; target tracking; time-of-arrival estimation; transponders; A-SMGCS; Company SELEX-S.I.; MLAT; Milano Malpensa airport; SSR transponder; TDOA technique; Tor Vergata University; clocks recovery; identification element; multilateration system; surveillance; target position estimation; time difference of arrival; Airports; Coordinate measuring machines; Local area networks; Position measurement; Power measurement; Q measurement; Surveillance; Synchronization; Transponders; Vectors; Localization; MLAT; SSR Mode S; TDOA; integrity; synchronization;
Conference_Titel :
Radar Conference, 2006. EuRAD 2006. 3rd European
Conference_Location :
Manchester
Print_ISBN :
2-9600551-7-9
DOI :
10.1109/EURAD.2006.280287
