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Old September 30th, 2020, 09:46 AM
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Default Sathyabama Institute of Science and Technology BE ECE SECA1403 Digital Communication Syllabus

Sathyabama Institute of Science and Technology BE ECE SECA1403 Digital Communication Syllabus

SATHYABAMA INSTITUTE OF SCIENCE AND TECHNOLOGY

SECA1403 DIGITAL COMMUNICATION

UNIT 1 SAMPLING AND QUANTIZATION 9 Hrs.
Digital communication systems: performance metrics and specifications-Review of Sampling process -Natural Sampling-Flat
Sampling - Aliasing - Signal Reconstruction-Quantization- Uniform & non-uniform quantization - quantization noise - PCM- Noise considerations in PCM- differential pulse code modulation - Delta modulation - - Adaptive Delta Modulation.

UNIT 2 BASEBAND PULSE TRANSMISSION 9 Hrs.
Base band transmission - Wave form representation of binary digits -Matched Filter- Error Rate due to noise - Nyquist’s
criterion for Distortion less Base band Binary Transmission- Inter symbol Interference - Ideal Nyquist channel - Raised
cosine channels- Correlative level coding - Equalization- Adaptive Equalization – Eye patterns- Companding - correlation
receiver.

UNIT 3 DIGITAL MODULATION TECHNIQUES 9 Hrs.
Introduction - ASK- FSK - PSK- coherent modulation techniques-BFSK-BPSK-signal space diagram-probability of error-
Coherent Quadrature modulation techniques- QPSK-signal space diagram-probability of error- Non coherent modulation
techniques-DPSK-M-ary modulation techniques - Vectorial view of MPSK.

UNIT 4 ERROR CONTROL CODING 9 Hrs.
Discrete memoryless channels – Linear block codes - Cyclic codes - Convolutional codes – Maximum likelihood decoding of
convolutional codes-Viterbi Algorithm, Trellis coded Modulation, Turbo codes.

UNIT 5 SPREAD SPECTRUM MODULATION 9 Hrs.
Pseudo- noise sequences - a notion of spread spectrum - Direct sequence spread spectrum with coherent binary phase shift
keying - Signal space Dimensionality and processing gain -Probability of error - Frequency –hop spread spectrum-
Synchronization and its types.
Max. 45 Hrs.

COURSE OUTCOMES

On completion of the course, student will be able to
CO1 - Design PCM systems.
CO2 - Apply the knowledge of signals and system and evaluate the performance of digital communication system in the
presence of noise.
CO3 - Design and implement band pass signaling schemes and analyze the spectral characteristics of band pass
signaling schemes.
CO4 - Design encoder and decoder for the error control codes like block code, cyclic code.
CO5 - Analyze the digital communication system with spread spectrum modulation.
CO6 - Examine the theoretical concepts through laboratory experiments, analyze and interpret the results to provide valid
conclusions.

TEXT/REFERENCE BOOKS

1. Simon Haykins, “Communication Systems” John Wiley, 5th Edition, March 2009.
2. Taub. HDL Schilling, G Saha, “Principles of Communication”, 5th Edition,2009.
3. John G. Proakis, Masoud Salehi, “Digital Communication”, McGraw Hill, 5th Edition,2007.
4. Bernard Sklar, “Digital Communication, Fundamentals and Application”, Pearson Education Asia, 2nd Edition,2009
END SEMESTER EXAMINATION QUESTION PAPER PATTERN
Max. Marks: 100 Exam Duration: 3 Hrs.
PART A: 10 Questions of 2 marks each – No choice 20 Marks.
PART B: 2 Questions from each unit of internal choice; each carrying 16 marks 80 Marks.
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