Beamforming with Limited Feedback in Amplify-and-Forward Cooperative Networks.

Yi Zhao Raviraj Adve Teng Joon Lim Beamforming with Limited Feedback in Amplify-and-Forward Cooperative Networks. 3457-3461 2007 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2007.656 conf/globecom/2007 db/conf/globecom/globecom2007.html#ZhaoAL07