@article{TUW-220377, author = {Schwarz, Stefan and Heath, Robert W. and Rupp, Markus}, title = {Adaptive Quantization on a Grassmann-Manifold for Limited Feedback Beamforming Systems}, journal = {IEEE Transactions on Signal Processing}, year = {2013}, volume = {61}, number = {18}, pages = {4450--4462}, doi = {10.1109/TSP.2013.2270466}, keywords = {Adaptive quantization, limited feedback, quantized feedback, channel state information, Grassmann manifold, multiuser MIMO, LTE, OFDMA} }