The METRA (Multi-Element Transmit and Receive Antennas) Project Ana Perez-Neira, Javier R Fonollosa.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . . . . . . . . . . . . . . . . . . . . TURBO-BLAST: A Novel Technique for Multi-transmit Multi-receive Wireless Communications Mathini Sellathurni, Sirnon Haykin. . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . ... . . . 13 . . . . . . Optimal Channel...