%   2005-3 -25
function XXXX=EN_8PSK(xxxx)
LLLL=length(xxxx);
aaaaaa=[0 0 0];
bbbbbb=[0 0 1];
cccccc=[0 1 1];
dddddd=[0 1 0];
eeeeee=[1 1 0];
ffffff=[1 1 1];
gggggg=[1 0 1];
hhhhhh=[1 0 0];
for i=1:LLLL/3
    if xxxx(1,(3*i-2):(3*i))==aaaaaa
        XXXX(i)=1;
    elseif xxxx(1,(3*i-2):(3*i))==bbbbbb
        XXXX(i)=sqrt(0.5)*(1+j);
    elseif xxxx(1,(3*i-2):(3*i))==cccccc
        XXXX(i)=j;
    elseif xxxx(1,(3*i-2):(3*i))==dddddd
        XXXX(i)=sqrt(0.5)*(-1+j);
    elseif xxxx(1,(3*i-2):(3*i))==eeeeee
        XXXX(i)=-1;
    elseif xxxx(1,(3*i-2):(3*i))==ffffff
        XXXX(i)=sqrt(0.5)*(-1-j);
    elseif xxxx(1,(3*i-2):(3*i))==gggggg
        XXXX(i)=-j;
    elseif xxxx(1,(3*i-2):(3*i))==hhhhhh
        XXXX(i)=sqrt(0.5)*(1-j);
    end
end