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Consider the quantized demodulator for binary PSK signals shown

Consider the quantized demodulator for binary PSK signals shown

Consider the quantized demodulator for binary PSK signals shown in Figure. The quantizer is a four-Level quantizer, normalized as in Figure. Evaluate the transition probabilities of the binary input-quarternary output discrete memory less channel so characterized. Hence, show that it is a symmetric channel. Assume that the transmitted signal energy per bit is E, and the additive white Gaussian noise has zero mean and power spectral densityN0/2.

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