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@article{TUW-230884,
    author = {Schwarz, Stefan and Rupp, Markus},
    title = {Predictive Quantization on the Stiefel Manifold},
    journal = {IEEE Signal Processing Letters},
    year = {2015},
    volume = {22},
    number = {2},
    pages = {234--238},
    doi = {10.1109/LSP.2014.2354258},
    keywords = {Adaptive quantization, Grassmann manifold, limited feedback, multi-user MIMO, Stiefel manifold}
}