Define: Noise temperature, Noise bandwidth, Noise figure
[3 marks]With the help of neat diagram explain the transmitter and receiver of Pulse Code Modulation
[4 marks]Define cumulative Distribution Function (CDF). What are the important properties of CDF? State and prove them.
[7 marks]Explain Nyquist criteria of sampling. State the importance of Nyquist criteria in communication.
[3 marks]Explain chebyshev’s inequality
[4 marks]Explain ASK modulation. Explain non coherent detection method of ASK demodulation.
[7 marks]Explain non-coherent detection of Frequency-Shift keying signal with necessary equations.
[7 marks]Define entropy, coding efficiency, Redundancy.
[3 marks]What is quantization and also state the difference between uniform and non-uniform quantization?
[4 marks]Write a short note on Delta Modulation.
[7 marks]Explain T1 Carrier System.
[3 marks]Explain how error free communication can be achieve over noisy channel?
[4 marks]Derive the Channel Capacity of Discrete Memory less Channel
[7 marks]Find the mean, the mean square and the Variance of the general Gaussian random variable.
[3 marks]What is Eye diagram? Explain the significance of it in the pulse detection technique.
[4 marks]Write a short note in Central limit theorem Page 1 of
[2 marks]Explain regenerative repeater.
[3 marks]What is PDF? Write the properties of PDF.
[4 marks]Explain Scrambler and Descrambler in a detail with diagram.
[7 marks]Define the following terms: (i) Code rate, (ii) Hamming Bound, (iii) Systematic code
[3 marks]Discuss the MSK modulation technique and list the merits of it.
[4 marks]Explain Quadrature Phase Sift Keying (QPSK) modulation
[7 marks]Differentiate Coherent and Non coherent detection technique in detail with example.
[3 marks]Differentiate between Convolutional codes and Block codes.
[4 marks]Construct a systematic (7,4) cyclic code using a generator polynomial g (x) = x3 +x2+1. Consider data vector d=1010. Page 2 of
[2 marks]