depayloadgvt.m

Matlab实现SONET/SDH光通信系统simulink仿真程序源代码

function e = DepayloadGVT(u)



% Es un demux de 14 VT3 el cual elimina las dos columnas de relleno 240 y
% 472 y luego demultiplexa los tributarios virtuales.



[r,t]=size(u);


er=ones(r,672);
parcial_1=u(:,1:240);
parcial_2=u(:,249:472);
parcial_3=u(:,481:688);

er(:,1:240)=parcial_1;
er(:,241:464)=parcial_2;
er(:,465:672)=parcial_3;



 
 s=1;
 i=1;
 s1=1;
 s2=1;
 s3=1;
 s4=1;       
 s5=1;
 s6=1;
 
 
 while i<=(672)
       Q=1;W=1;H=1;E=1;z=1;D=1;G=1;F=1;
            while H<=8
                  e(:,s)=er(:,i);       
                  i=i+1;
                  s=s+1;
                  H=H+1;
            end
            while Q<=8
                  e(:,s1+96)=er(:,i);  
                  i=i+1;
                  s1=s1+1;
                  Q=Q+1;
            end
            while W<=8
                     e(:,s2+192)=er(:,i);  
                     i=i+1;
                     s2=s2+1;
                     W=W+1;
            end
            while E<=8
                  e(:,s3+288)=er(:,i); 
                  i=i+1;
                  s3=s3+1;
                  E=E+1; 
            end
            while z<=8
                     e(:,s4+384)=er(:,i);  
                     i=i+1;
                     s4=s4+1;
                     z=z+1;
            end
            while D<=8
                  e(:,s5+480)=er(:,i); 
                  i=i+1;
                  s5=s5+1;
                  D=D+1;
            end
            while F<=8
                  e(:,s6+576)=er(:,i); 
                  i=i+1;
                  s6=s6+1;
                  F=F+1;
            end
 end
end