function [MCS, mcs_no] = MCS_sel(ModulationMode,CodeRate)
    switch ModulationMode
        case 'BPSK'
            MCS = 0;
            mcs_no = [2,2];
        case 'QPSK'
            if(CodeRate==1/2)  
                MCS = 1;mcs_no = [4,2]; end        
            if CodeRate==3/4  
                MCS = 2;mcs_no = [4,4]; end      
        case '16QAM'
            if CodeRate==1/2  
                MCS = 3;mcs_no = [16,2]; end       
             if CodeRate==2/3  
                MCS = 4;mcs_no = [16,3]; end    
            if CodeRate==3/4  
                MCS = 4;mcs_no = [16,4]; end    
        case '64QAM'
            if CodeRate==2/3  
                MCS = 5;mcs_no = [64,3]; end    
            if CodeRate==3/4  
                MCS = 6;mcs_no = [64,4]; end     
            if CodeRate==5/6  
                MCS = 7;mcs_no = [64,6]; end    
    end 
end