Wilaiporn Lee Bamrung Tau Sieskul Suwich Kunaruttanapruk Somchai Jitapunkul Optimum Training Sequences for the Uplink of MIMO MC-CDMA Systems. 223-228 2005 conf/cnsr/2005 CNSR http://doi.ieeecomputersociety.org/10.1109/CNSR.2005.47 db/conf/cnsr/cnsr2005.html#LeeSKJ05