@INPROCEEDINGS{bustin:ISIT10, author = {R. Bustin and M. Payar\'o and D. P. Palomar and S. {Shamai (Shitz)}}, title = {On {MMSE} properties and {I-MMSE} implications in parallel {MIMO} {G}aussian channels}, booktitle = {Proc. IEEE International Symposium on Information Theory (ISIT'10)}, year = {2010}, month = {June} }