S. Peschke, M. Bevermeier, and R. Haeb-Umbach, “A GPS positioning approach exploiting GSM velocity estimates,” in 6th Workshop on Positioning Navigation and Communication (WPNC 2009), 2009, pp. 195–202.
LibreCat: /record/11881
DOI: 10.1109/WPNC.2009.4907827

R. Haeb-Umbach and S. Peschke, “A Novel Similarity Measure for Positioning Cellular Phones by a Comparison With a Database of Signal Power Levels,” IEEE Transactions on Vehicular Technology, vol. 56, no. 1, pp. 368–372, 2007.
LibreCat: /record/11799
DOI: 10.1109/TVT.2006.889563

S. Peschke and R. Haeb-Umbach, “Velocity Estimation of Mobile Terminals by Exploiting GSM Downlink Signalling,” in 4th Workshop on Positioning Navigation and Communication (WPNC 2007), 2007, pp. 217–222.
LibreCat: /record/11883
DOI: 10.1109/WPNC.2007.353637