Soheil Salari Mahmoud Ahmadian Mehrdad Ardebilipour Vahid Meghdadi Jean-Pierre Cances Carrier-Frequency Offset Estimation via the EM Algorithm for MIMO-OFDM Iterative Receivers. 101-106 2007 conf/cnsr/2007 CNSR http://doi.ieeecomputersociety.org/10.1109/CNSR.2007.21 db/conf/cnsr/cnsr2007.html#SalariAAMC07