CSVTU BE VI Semester ET&T Communication System – II Syllabus

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

Pulse Modulation:

 

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.

 

UNIT-II

Pulse Code Modulation:

 

Pulse code modulation, generation and detection of PCM, quantization,

companding, A-Law and

 

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-Law, differential PCM; Delta modulation, Adaptive delta modulation; Signal-to-Noise

Ratio calculations of PCM, DM and TDM-PCM, their comparisons.

 

 

UNIT-III

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

 

technique, CDMA.

 

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

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