Introduction - If you have any usage issues, please Google them yourself
Soft demodulation of 16QAM modulation, we divided into the following steps: (1) to produce values for the 0,1 random number, and 16QAM modulation of the input binary sequence (2) according to the 16QAM constellation, according to the input sequence is divided into I and Q, two-way mapping, define the mapping rules for 00-3,01-1,11 1,10 3 (3) generate a set of white Gaussian noise sequence and were superimposed on the signal mapping the real part and imaginary part (4) conduct soft demodulation.