EC2301 DIGITAL COMMUNICATION Syllabus for ECE 5th Semester - Anna University

EC2301                                   DIGITAL COMMUNICATION                                L T P C
3  0 0  3

To introduce the basic concepts of Digital Communication in  baseband and passband domains and to give an exposure to error control coding techniques.

·    To study signal spacrepresentation of  signals and discuss the process of sampling quantizatio an codin tha ar fundamenta to   th digital transmission of analog signals.
·    To understan baseband and bandpass signa transmission and reception techniques.
·    To learn error control coding which encompasses techniques for the encoding and decoding of digital data streams for their reliable transmission over noisy channels.

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.

Memory less modulation methods - Representation and Spectral characteristics, ASK, PSK, QAM, QPSK, FSK; Bandpass receiving filter, Error performance Coherent and Non-coherent detection systems.

1.  Amitabha Bhattacharya, “Digital Communications, Tata McGraw Hill, 2006.
2.  Simon Haykin, “Digital Communications, John Wiley, 2006.

1.  John.G. Proakis, Fundamentals of Communication Systems, Pearson Education,
2.  Michael. B. Purrsley, Introduction to Digital Communication, Pearson Education,
3.  Bernard Sklar, Digital Communication, 2nd Edition, Paerson Education, 2006

4.  Herbert Taub & Donald L Schilling Principles of Communication Systems ( 3rd
Edition ) Tata McGraw    Hill, 2008.
5.  Leon W. Couch, Digital and Analog Communication Systems, 6th Edition, Pearson
Education, 2001.

By Vinoth

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