空间调制英文文献,详细讲解原理Abstract—Inthisletter,wederivetheoptimaldetectorfortheso-calledspatialmodulation(SM)systemintroducedbyMeslehetal.in[1].Thenewdetectorperformssignificantlybetterthantheoriginal(~4dBgain),andwesupportourresultsbyderivingaclosedformexpressionfortheaveragebiterrorprobabilit