Algorithms for Opportunity Trajectory Reconstruction - Jesus Garcia Herrero; Andrés Soto Jaramillo; MIGUEL VELA, GONZALO C. DE; BESADA PORTAS, JUAN ALBERTO; BERNARDOS BARBOLLA, ANA MARIA (Proceeding Of The Enhanced Surveillance Of Aircraft And Vehicles, 2008. Tiwdc/Esav 2008. Tyrrhenian International Workshop On Digital Communications, 2008)