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What is QAM? Briefly define it and explain how it works. a. Define what the variable M stands for, and explain how increasing M affects

What is QAM? Briefly define it and explain how it works.

a. Define what the variable M stands for, and explain how increasing M affects bit rate and bit error rate (BER).

b. Which values of M are currently used in modern wireless protocols such as Wi-Fi and 4G LTE?

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