@inproceedingsPeschke_Bevermeier_Haeb-Umbach_2009, title=A GPS positioning approach exploiting GSM velocity estimates, DOI=10.1109/WPNC.2009.4907827, booktitle=6th Workshop on Positioning Navigation and Communication (WPNC 2009), author=Peschke, Sven and Bevermeier, Maik and Haeb-Umbach, Reinhold, year=2009, pages=195–202