D. Skournetou and E. S. Lohan, "Non-coherent multiple correlator delay structures and their tracking performance for Galileo signals", in Proc. of European GNSS, pp. 247-258, Switzerland, 2007.

D. Skournetou and E. S. Lohan, "Indoor location awareness based on the non-coherent correlation function for GNSS signals", in Proc. of Finnish Signal Processing Symposium (FINSIG'07), 6 p, Oulu, Finland, 2007.

D. Skournetou and E. S. Lohan , “Discontinuity-based code delay estimator for GNSS signals”, in Proc. of 4^th Advanced Satellite Mobile Systems (ASMS) conference, pp. 213-222, Bologna, Italy, 2008. 

D. Skournetou, A. H. Sayed and E. S. Lohan, “A deconvolution algorithm for estimating jointly the Line-Of-Sight code delay and carrier phase of GNSS signals”, European GNSS, Naples, Italy, 2009 (in press).