Performance Analysis


Derivation of Symbol Error Rate (SER) for 16-QAM in AWGN

Previous, have done the computation for SER in AWGN using 4-QAM modulation order. Click here to see an article on this. In this article, the derivation for 16-QAM SER in AWGN will be computed using alternative form of Q-function. The exact symbol error probability for square M-QAM in AWGN channel is given by:


Now, using 16-QAM as our modulation order and substituting it in (1)


By simplification then (2) becomes:


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