@conference {Eusipco2007_FFF_MIMO, title = {A Spectral Clustering Algorithm for Decoding Fast Time-Varying {BPSK} {MIMO}}, booktitle = {15th European Signal Processing Conference (EUSIPCO 2007)}, year = {2007}, month = {September}, address = {Poznan, Poland}, author = {Van Vaerenbergh, Steven and E. Est{\'e}banez and Santamar{\'\i}a, Ignacio} }