Syllabus
UNIT I DIGITAL COMMUNICATION SYSTEM 8
Introduction to Analog Pulse Communication Systems - Digital Communication Systems
- Functional description, Channel
classification, Performance Measure; Geometric representation of
Signals, Bandwidth , Mathematical Models of Communication Channel.
UNIT II BASEBAND FORMATTING TECHNIQUES 10
Sampling - Impulse sampling, Natural Sampling, Sampler Implementation; Quantisation
- Uniform and Non-uniform; Encoding
Techniques for Analog Sources- Temporal waveform encoding, Spectral
waveform encoding, Model-based encoding, Comparison of speech encoding
methods.
UNIT III BASEBAND CODING TECHNIQUES 9
Error Control Codes - Block Codes ,
Convolutional Codes, Concept of Error Free Communication; Classification
of line codes, desirable characteristics and power spectra of line
codes.
UNIT IV BASEBAND RECEPTION TECHNIQUES 9
Noise in Communication Systems;
Receiving Filter - Correlator type, Matched Filter type; Equalising
Filter - Signal and system design for ISI elimination, Implementation,
Eye Pattern analysis; Synchronisation; Detector - Maximum Likelihood
Detector, Error Probability, Figure-of-Merit for Digital Detection.
UNIT V BANDPASS SIGNAL TRANSMISSION AND RECEPTION 9
Memory less modulation methods -
Representation and Spectral characteristics, ASK, PSK, QAM, QPSK, FSK;
Bandpass receiving filter, Error performance - Coherent and Non-coherent
detection systems.
TOTAL: 45 PERIODS
TEXT BOOKS:
1. Amitabha Bhattacharya, "Digital Communications", Tata McGraw Hill, 2006.
2. Simon Haykin, "Digital Communications", John Wiley, 2006.
REFERENCES:
1. John.G. Proakis, "Fundamentals of Communication Systems", Pearson Education, 2006.
2. Michael. B. Purrsley, "Introduction to Digital Communication", Pearson Education, 2006.
Bernard Sklar, Digital Communication, 2nd Edition, Paerson Education, 2006
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