@conference {PIMRC_2004, title = {Capacity estimation of polarization-diversity MIMO systems in urban microcellular environments}, booktitle = {15th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2004)}, year = {2004}, month = {September}, address = {Barcelona, Spain}, author = {P{\'e}rez, Jes{\'u}s and Ib{\'a}{\~n}ez, Jes{\'u}s and Vielva, Luis and Santamar{\'\i}a, Ignacio} }