@article{TUW-108040, author = {Czink, Nicolai and Herdin, Markus and {\"O}zcelik, H{\"u}seyin and Bonek, Ernst}, title = {Number of multipath clusters in indoor MIMO propagation environments}, journal = {Electronics Letters}, year = {2004}, volume = {vol. 40}, number = {no. 23}, pages = {1498--1500}, url = {http://publik.tuwien.ac.at/files/pub-et_8813.pdf} }