Yusuke Asai Wenjie Jiang Takeshi Onizawa Satoru Aikawa Daisei Uchida Atsushi Ohta A Simplified Decision-Feedback Channel Tracking Scheme for MIMO-OFDM Systems. 1-5 2006 conf/vtc/2006f VTC Fall http://doi.ieeecomputersociety.org/10.1109/VTCF.2006.407 db/conf/vtc/vtc2006f.html#AsaiJOAUO06