Yuhei Nagao Masayuki Kurosaki Hiroshi Ochi Low-Complexity Group Layered Space-Time Detection in Spatial Correlated MIMO Channels. 2233-2237 2007 conf/vtc/2007s VTC Spring http://dx.doi.org/10.1109/VETECS.2007.461 db/conf/vtc/vtc2007s.html#NagaoKO07