Question

1.

(a) Draw a fully-labelled diagram of the constellation for QAM, using the symbols 0, 1, 2, 3.

(b) How many bits are required to uniquely label each symbol?

(c) Label your constellation with a binary code that minimises the bit error rate, and explain why it minimizes the bit error rate.

(d) Describe two ways that this system could be modified to increase the data rate

Answer 1

The answer is been attached below.

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