English
- function mod_symbols=QAM16Mod(bits_in)
- full_len = length(bits_in);
- if rem(full_len,4)~=0
- error('Unimplemented modulation');
- end
- m=1;
- for k=-3:2:3
- for l=-3:2:3
- table(m) = (k+j*l)/sqrt(10); % power normalization
- m=m+1;
- end;
- end;
- table=table([0 1 3 2 4 5 7 6 12 13 15 14 8 9 11 10]+1); % Gray code mapping pattern for 8-PSK symbols
- inp=reshape(bits_in,4,full_len/4);
- mod_symbols=table([8 4 2 1]*inp+1);
