@inproceedings{TUW-230885, author = {Schwarz, Stefan and Rupp, Markus}, title = {Subspace versus Eigenmode Quantization for Limited Feedback Block-Diagonalization}, booktitle = {International Symposium on communications, contral and signal processing}, year = {2014}, pages = {396--399}, doi = {10.1109/ISCCSP.2014.6877897}, keywords = {multi-user MIMO, block-diagonalization, limited feedback, Grassmann manifold, Stiefel manifold}, note = {talk: 6th International Symposium on Communications, Control and Signal Processing, Athens; 2014-05-21 -- 2014-05-23} }