Koichi Ishihara Yasushi Takatori Shuji Kubota Multiuser Detection Method for Single-Carrier Transmission in Uplink Multiuser MIMO Access. 566-570 2007 conf/vtc/2007f VTC Fall http://dx.doi.org/10.1109/VETECF.2007.129 db/conf/vtc/vtc2007f.html#IshiharaTK07