EC 9261 COMMUNICATION ENGINEERING Syllabus

ANNA UNIVERSITY CHENNAI :: CHENNAI 600 025
REGULATIONS – 2008
CURRICULUM FROM IV SEMESTERS FOR
B.E. ELECTRICAL AND ELECTRONICS ENGINEERING
EC 9261 COMMUNICATION ENGINEERING

AIM:
To introduce the concepts of communication systems engineering using wire and wireless medium

OBJECTIVES:
To introduce different methods of analog communication and their significance
To introduce Digital Communication methods for high bit rate transmission
To introduce the concepts of source and line coding techniques for enhancing rating of transmission of minimizing the errors in transmission.
To introduce MAC used in communication systems for enhancing the number of users.
To introduce various media for digital communication

UNIT I - ANALOG COMMUNICATION 9

AM – Frequency spectrum – vector representation – power relations – generation of
AM – DSB, DSB/SC, SSB, VSB AM Transmitter & Receiver; FM and PM – frequency
spectrum – power relations : NBFM & WBFM, Generation of FM and DM, Amstrong
method & Reactance modulations : FM & PM frequency.

UNIT II - DIGITAL COMMUNICATION 9

Pulse modulations – concepts of sampling and sampling theorems, PAM, PWM,
PPM, PTM, quantization and coding : DCM, DM, slope overload error. ADM, DPCM,
OOK systems – ASK, FSK, PSK, BSK, QPSK, QAM, MSK, GMSK, applications of
Data communication.

UNIT III - SOURCE CODES, LINE CODES & ERROR CONTROL (Qualitative only)
9
Binary communication – entropy, properties, BSC, BEC, source coding : Shannon,
Fano, Huffman coding : noiseless coding theorem, BW – SNR trade off, Line codes:
NRZ, RZ, AMI, HDBP, ARQ, mBnB codes : Efficiency of transmission, error control
codes and applications: convolution& block codes.

UNIT IV - MULTIPLE ACCESS TECHNIQUES 9

Spread Spectrum& Multiple (MA)Access techniques : FDMA, TDMA, CDMA, SDMA
application in wire and wireless communication : Advantages.

UNIT V - POWER SYSTEM COMMUNICAITON 9

Satellites, Orbits-Types-frequencies used, link establishment, MA techniques used in
satellite communication, earth station; aperture antennas used in satellite –
INTELSAT and INSAT: fibers – types: sources, detectors, digital filters, optical link:
Basics of power line carrier communications and SCADA

TOTAL : 45 PERIODS
TEXT BOOKS:
1. Taub & Schiling “Principles of communication systems” Tata McGraw hill 2007
2. J.Das “Principles of digital communication” New Age International, 1986

REFERENCES:
1. Kennedy and Davis “Electronic communication systems” Tata McGraw hill, 4th edition, 1993.
2. Sklar “Digital communication fundamentals and applications“ Pearson Education, 2001
3. Bary le, Memuschmidt, digital Communication, Kluwer Publication, 2004.
4. B.P.Lathi “Modern digital and analog communication systems” Oxford University Press, 1998.