Question: The telephone line has 4 KHz bandwidth. What is the maximum number of bits we can send using each of the following techniques? Let d

The telephone line has 4 KHz bandwidth. What is the maximum number of bits we can send using each of the following techniques? Let d = 0.

a. ASK

b. QPSK

c. 16-QAM

d. 64-QAM

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