CO3001 Digital Communication Syllabus:

CO3001 Digital Communication Syllabus – Anna University Regulation 2021

COURSE OBJECTIVES:

 To study the limits set by Information Theory
 To study the various waveform coding schemes
 To learn the various baseband transmission schemes
 To understand the various band, pass signalling schemes
 To know the fundamentals of channel coding

UNIT I INFORMATION THEORY

Discrete Memoryless source, Information, Entropy, Mutual Information – Discrete Memoryless channels – Binary Symmetric Channel, Channel Capacity – Hartley – Shannon law – Source coding theorem – Shannon – Fano & Huffman codes.,

UNIT II WAVEFORM CODING & REPRESENTATION

Prediction filtering and DPCM – Delta Modulation – ADPCM & ADM Principles-Linear Predictive Coding- Properties of Line codes- Power Spectral Density of Unipolar / Polar RZ & NRZ – Bipolar NRZ – Manchester

UNIT III BASEBAND TRANSMISSION & RECEPTION

ISI – Nyquist criterion for distortion less transmission – Pulse shaping – Correlative coding – Eye pattern – Receiving Filters- Matched Filter, Correlation receiver, Adaptive 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

Introduction to error correction and detection, Channel coding theorem – Linear Block codes – Hamming codes – Cyclic codes(systematic, non-systematic) – Convolutional codes – Viterbi Decoder.

TOTAL:45 PERIODS

COURSE OUTCOMES:

CO1 :Design PCM systems
CO2 : Design and implement base band transmission schemes
CO3 : Design and implement band pass signalling schemes
CO4 : Analyse the spectral characteristics of band pass signalling schemes and their noise performance.
CO5 : Design error control coding schemes

TEXT BOOKS

1. S. Haykin, “Digital Communications Systems”, John Wiley, 2014

REFERENCES

1. B. Sklar, “Digital Communication Fundamentals and Applications”, 2nd Edition, PearsonEducation, 2009.
2. B P Lathi and Z Ding, Modern Digital and Analog Communication Systems, 4th Edition, Oxford Univ Press, 2010
3. H P Hsu, Schaum Outline Series – “Analog and Digital Communications”, TMH 2006
4. J G Proakis & M Salehi, Communication Systems Engineering, 2nd Edition, Pearson Education, 2006