Chhattisgarh Swami Vivekanand Technical University, Bhilai
Semester: VI Branch: Electronics & Telecommunication
Subject: Communication System – II
Total Theory Periods: 40 Total Tutorial Periods: 12
Total Marks in End Semester Examination: 80
Minimum number of Class tests to be conducted: Two
UNIT – I
Sampling theorem, sampling and reconstruction using Impulse train; Sampling and
reconstruction using pulse train; Basic principles of PAM, PWM and PPM, their generation and detection.
TDM, comparison of TDM with FDM; Typical multiplexed systems; Signal –to-noise ratio calculations for PAM,
PWM and PPM and their comparisons.
Pulse Code Modulation:
Pulse code modulation, generation and detection of PCM, quantization,
companding, A-Law and
-Law, differential PCM; Delta modulation, Adaptive delta modulation; Signal-to-Noise
Ratio calculations of PCM, DM and TDM-PCM, their comparisons.
Digital Modulation Techniques:
Fundamentals of Binary ASK, PSK and FSK, generation and detection of
BASK, BPSK and BFSK; Fundamentals of QPSK and DPSK, generation and detection of QPSK and DPSK,
generation and detection of QPSK and DPSK, MSK, M-Ary PSK signaling schemes, equalization principles;
Optimum Filter, Matched Filter, Error Probality of Various digital modulation Technique.
UNIT – IV
Noise and Spread Spectrum Modulation:
Noise in PCM-DM., Calculation of S/N ratio for PCM and DM,
Comparison of PCM and DM. Spread Spectrum technique. DS and Frequency hopping Spread Spectrum
UNIT – V
Information Theory and Coding:
Information; Marginal, conditional and joint Entropies; Channel capacity,
efficiency; Discrete communication channels; Shannon’s limit, continuous communication channels, Channel
with finite memory. General principles of coding, necessary and sufficient condition for noiseless coding,
Shannon’s noiseless coding theorem, Coding efficiency, Shannon-Fano and Huffman coding; Error control,
Hamming codes, Linear block codes, Cyclic Redundancy codes, Majority logic coding and decoding; Two
dimensional coding, Algebraic coding, Trellis diagram.
Name of Text Books:
1. Principles of Communication Systems –Taub and Shilling, Tata Mc Graw Hill.
2. Communication Systems –Simon Haykins. Tata McGraw Hill