%==========================================================================
% MS_FQI_Initialization.m
%==========================================================================
%大多數(shù)情況下不需要對(duì)數(shù)據(jù)幀進(jìn)行填充，因此填充長(zhǎng)度等于輸入數(shù)據(jù)幀的長(zhǎng)度
xPaddedFrameLength=xFrameLength;

%根據(jù)無(wú)線配置設(shè)置CRC生成多項(xiàng)式和填充長(zhǎng)度
%只支持RC3和RC4
switch xRC
    case 3
        %根據(jù)輸入數(shù)據(jù)幀的長(zhǎng)度設(shè)置CRC生成多項(xiàng)式和填充長(zhǎng)度
        switch xFrameLength
            %長(zhǎng)度為16和40的數(shù)據(jù)幀采用6位CRC編碼
            case{16,40}
                p = [6 2 1 0];
            %長(zhǎng)度為80的數(shù)據(jù)幀采用6位CRC編碼
            case 80
                p = [8 7 4 3 1 0];
            %長(zhǎng)度為172的數(shù)據(jù)幀采用6位的CRC編碼
            case 172
                p = [12 11 10 9 8 4 1 0];
                %長(zhǎng)度為24，360，744，1512，3048，6120的數(shù)據(jù)幀采用6位CRC編碼
            case {24,360,744,1512,3048,6120}
                p = [16 15 14 11 6 5 2 1 0];
                %如果輸入數(shù)據(jù)幀的長(zhǎng)度非法則報(bào)錯(cuò)
            otherwise
                error('Error:Invalid Frame Length for RC3 in cdma2000 Mobile Station block<Frame Quality Indicator>');
        end
        
        case 4
        %根據(jù)輸入數(shù)據(jù)幀的長(zhǎng)度設(shè)置CRC生成多項(xiàng)式和填充長(zhǎng)度
        switch xFrameLength
            %長(zhǎng)度為16和40的數(shù)據(jù)幀采用6位CRC編碼
            case 21
                xPaddedFrameLength=22;
                p = [6 2 1 0];
            %長(zhǎng)度為80的數(shù)據(jù)幀采用6位CRC編碼
            case 55
                xPaddedFrameLength = 56;
                p = [8 7 4 3 1 0];
            %長(zhǎng)度為172的數(shù)據(jù)幀采用6位的CRC編碼
            case 125
                xPaddedFrameLength = 126;
                p = [12 11 10 9 8 4 1 0];
                %長(zhǎng)度為24，360，744，1512，3048，6120的數(shù)據(jù)幀采用6位CRC編碼
            case 267
                xPaddedFrameLength = 268;
                p = [16 15 14 11 6 5 2 1 0];
                %如果輸入數(shù)據(jù)幀的長(zhǎng)度非法則報(bào)錯(cuò)
             case {24,552,1128,2280,4548}
               p = [16 15 14 11 6 5 2 1 0];
                %如果輸入數(shù)據(jù)幀的長(zhǎng)度非法則報(bào)錯(cuò)
            otherwise
                error('Error:Invalid Frame Length for RC3 in cdma2000 Mobile Station block<Frame Quality Indicator>');
        end
        
end