Xiao-Ying Zhang De-Gang Wang Ji-Bo Wei Joint Symbol Detection and Channel Estimation for MIMO-OFDM Systems via the Variational Bayesian EM Algorithm. 13-17 2008 WCNC http://dx.doi.org/10.1109/WCNC.2008.8 conf/wcnc/2008 db/conf/wcnc/wcnc2008.html#ZhangWW08