FPGA implementation of a 1, 090 MHz SSR receiving and precision TOA estimation station. - Stephan Bernhart; Gerhard A. Hofbauer; Ulrich Feichter; Erich Leitgeb (ConTEL, 2015)

Rising edge detection used as TOA estimator for mode S signals with multipath propagation. - Stephan Bernhart; Erich Leitgeb; Gerhard A. Hofbauer; Ulrich Feichter (SoftCOM, 2017)