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How many additional bits of data are represented by each symbol in 16-QAM compared with: (a) QPSK ? (b) BPSK? (c) Using the figure below,

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How many additional bits of data are represented by each symbol in 16-QAM compared with: (a) QPSK ? (b) BPSK? (c) Using the figure below, determine, for a target BER of 103, what is, approximately, the SNR value (in dB ), required by each of: (i) QPSK (ii) 8PSK (iii) 16QAM (d) What can you conclude in terms of power consumption to reach the target BER

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