matlab error:Subscripted assignment dimension mismatch.
now i am confused.
i tried passing a BPSK signal through a convolutional encoder through trellis .
but trellis accpets only binary so it rejected my BPSK input 😔
so i positioned the trellis inbetween the data signal(binary) and the BPSK generator.
i was thinking that encoding is encoding where ever i do.. but still it dint work.
I dont know.. not very good at matlab.😔
partial code posted:
%creation of input signals
for i=1:32
message(i,1)=round(rand());
end;
%encoding the signal
trellis=poly2trellis(3,[5 7]);
coded=convenc(message,trellis);
% Create input BPSK signal
for i=1:64
input(i,1) = (2*coded)-1;
end
the error while running this code is"Subscripted assignment dimension mismatch."
I did Google and tried debugging... but invain
can anyone help me out???
i tried passing a BPSK signal through a convolutional encoder through trellis .
but trellis accpets only binary so it rejected my BPSK input 😔
so i positioned the trellis inbetween the data signal(binary) and the BPSK generator.
i was thinking that encoding is encoding where ever i do.. but still it dint work.
I dont know.. not very good at matlab.😔
partial code posted:
%creation of input signals
for i=1:32
message(i,1)=round(rand());
end;
%encoding the signal
trellis=poly2trellis(3,[5 7]);
coded=convenc(message,trellis);
% Create input BPSK signal
for i=1:64
input(i,1) = (2*coded)-1;
end
the error while running this code is"Subscripted assignment dimension mismatch."
I did Google and tried debugging... but invain
can anyone help me out???
Replies
-
durga chgotcha!!!
the 'iput' was a function call and i was trying to use it as a variable so it dont work
i changed it to
input[];
%creation of input signals
for i=1:32
message(i,1)=round(rand());
end;
%encoding the signal
trellis=poly2trellis(3,[5 7]);
coded=convenc(message,trellis);
% Create input BPSK signal
for i=1:64
input(i,1) = (2*coded)-1;
end
and it worked .. 😀
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