@unpublished{TUW-108409, author = {Caban, Sebastian and Langwieser, Robert and Mehlf{\"u}hrer, Christian and Aschbacher, Ernst and Keim, Werner and Maier, Georg and Badic, Biljana and Rupp, Markus and Scholtz, Arpad Ludwig}, title = {Design and Verification of a Flexible and Scalable 4x4 MIMO Testbed}, year = {2004}, note = {talk: IEEE Radio and Wireless Conference, Atlanta, USA; 2004-09-19 -- 2004-09-22} }