ms_orthogonalspreading_initialization.m

利用matlab/simulink仿真了CDMA2

%MS_OrthogonalSpreading_Initialization.m
switch xChannelType
    case 1
        %反向基本信道
        xWalshCodeLength=16;
        xWalshCodeIndex=4;
    case 2
       %反向补充信道1
       xWalshCodeLength=2;
       xWalshCodeIndex=1;
   case 3
       %反向补充信道2
       xWalshCodeLength=4;
       xWalshCodeIndex=2;
   case 4
       %反向专用控制信道
       xWalshCodeLength=16;
       xWalshCodeIndex=8;
   case 5
       %反向公共控制信道
       xWalshCodeLength=8;
       xWalshCodeIndex=2;
   case 6
       %反向导频信道
       xWalshCodeLength=32;
       xWalshCodeIndex=0;
   case 7
       %反向增强接入信道
       xWalshCodeLength=8;
       xWalshCodeIndex=2;
   otherwise
       error('Error:Invalid Channel Type for Radio Configuration 3 in cdma 2000 Mobile Station block<Spreading and Modulation>');
end


switch xRC
    case 3
        switch xFrameLength
            case 6120
                xRepetitionCount=fix((1228.8*xFrameDuration)/12288);
            case 3048
                xRepetitionCount=fix((1228.8*xFrameDuration)/12288);
            case 1512
                xRepetitionCount=fix((1228.8*xFrameDuration)/6144);
            case 744
                xRepetitionCount=fix((1228.8*xFrameDuration)/3072);
            case 360
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 172
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 80
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 40
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 16
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 24
                xRepetitionCount=fix((1228.8*xFrameDuration)/384);
            otherwise
                error('Error:Invalid frame Length for Radio Configuration 3 in cdma 2000 Mobile Station block<Spreading and Modulation>');
        end
    case 4
        switch xFrameLength
            case 4584
                xRepetitionCount=fix((1228.8*xFrameDuration)/12288);
            case 2280
                xRepetitionCount=fix((1228.8*xFrameDuration)/6144);
            case 1128
                xRepetitionCount=fix((1228.8*xFrameDuration)/3072);
            case 552
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 267
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 125
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 55
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 21
                xRepetitionCount=fix((1228.8*xFrameDuration)/1536);
            case 24
                xRepetitionCount=fix((1228.8*xFrameDuration)/384);
            otherwise
                error('Error:Invalid Frame Length for Radio Configuration 4 in cdma 2000 Mobile Station block <Spreading and Modulation>');
        end
end