a) mathematical formulas of ASK and PSK signals arising from QAM signals,

b) constellation diagrams of ASK, PSK compared to QAM. Indicatively, treat the following situations:

a) How a QPSK and an 8-ASK signal is generated by a QAM signal?

b) Is QPSK a 4-QAM?

c) What do the constellation diagrams of 8-ASK and QPSK look like compared to a QAM constellation diagram?

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