EC6501 DIGITAL COMMUNICATION SYLLABUS FOR 5TH SEM ECE REG 2013 - Anna University Internal marks 2018
ANNA UNIVERSITY ECE SYLLABUS
EC6501 DIGITAL COMMUNICATION SYLLABUS
5TH SEM ECE
REGULATION 2013
OBJECTIVES:
 To know the principles of sampling & quantization
 To study the various waveform coding schemes
 To learn the various baseband transmission schemes
 To understand the various Band pass signaling schemes
 To know the fundamentals of channel coding

UNIT I SAMPLING & QUANTIZATION
Low pass sampling – Aliasing- Signal Reconstruction-Quantization - Uniform & non-uniform quantization - quantization noise - Logarithmic Companding of speech signal- PCM - TDM

UNIT II WAVEFORM CODING
Prediction filtering and DPCM - Delta Modulation - ADPCM & ADM principles-Linear Predictive Coding

UNIT III BASEBAND TRANSMISSION
Properties of Line codes- Power Spectral Density of Unipolar / Polar RZ & NRZ – Bipolar NRZ - Manchester- ISI – Nyquist criterion for distortionless transmission – Pulse shaping – Correlative coding - Mary schemes – Eye pattern - Equalization

UNIT IV DIGITAL MODULATION SCHEME
Geometric Representation of signals - Generation, detection, PSD & BER of Coherent BPSK, BFSK & QPSK - QAM - Carrier Synchronization - structure of Non-coherent Receivers - Principle of DPSK.

UNIT V ERROR CONTROL CODING
Channel coding theorem - Linear Block codes - Hamming codes - Cyclic codes - Convolutional codes - Vitterbi Decoder

TOTAL: 45 PERIODS

OUTCOMES:
Upon completion of the course, students will be able to
 Design PCM systems
 Design and implement base band transmission schemes
 Design and implement band pass signaling schemes
 Analyze the spectral characteristics of band pass signaling schemes and their noise performance
 Design error control coding schemes

TEXT BOOK:
1. S. Haykin, “Digital Communications”, John Wiley, 2005

REFERENCES:
1. B. Sklar, “Digital Communication Fundamentals and Applications”, 2 nd Edition, Pearson Education,2009
2. B.P.Lathi, “Modern Digital and Analog Communication Systems” 3 rd Edition, Oxford University Press 2007.
3. H P Hsu, Schaum Outline Series - “Analog and Digital Communications”, TMH 2006
4. J.G Proakis, “Digital Communication”, 4 th Edition, Tata Mc Graw Hill Company, 2001.