@unpublished{TUW-199099, author = {Rupp, Markus and Caban, Sebastian and Mehlf{\"u}hrer, Christian and Schwarz, Stefan}, title = {The Performance of 3G and 4G Cellular Systems}, year = {2011}, keywords = {3G 4G}, note = {invited; talk: Seminarvortrag, Madrid; 2011-09-23} }