Why OFDM signal has different plot at different simulation steps?

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Sai Rakesh Mohan Krishna Vangapandu
Respondida: Walter Roberson el 4 de Mzo. de 2017
My matlab code is meant for the generation of 16QAM-OFDM signal. I observe different plots of OFDM signal everytime I run the simulation. Can anyone help me understand why this happens?

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Walter Roberson
Walter Roberson el 4 de Mzo. de 2017
Simulations often use random number generation. You should consider using rng() to set the same random seed for each run.

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