@INPROCEEDINGS {3668,
author={N.S. Souto and Cercas, F. Cercas and J. C. Silva and A. Correia},
doi={},
booktitle={IEEE International Symp. on Spread Spectrum and Techniques Applications - ISSSTA},
title={An Iterative Receiver for WCDMA Systems with MIMO Transmissions and Hierarchical Constellations},
year={2006},
month={August},
volume={-},
pages={---} 
}