Taejoon Kim Bruno Clerckx David James Love Sung Jin Kim Limited Feedback Beamforming Codebook Design for Dual-Polarized MIMO Channels. 3180-3184 2008 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2008.ECP.610 conf/globecom/2008 db/conf/globecom/globecom2008.html#KimCLK08