EC2311 COMMUNICATION ENGINEERING Syllabus

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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

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

Pulse modulations – concepts of sampling and sampling theormes, 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)

Primary communication – entropy, properties, BSC, BEC, source coding : Shaum, Fao,

Huffman coding : noiseless coding theorum, BW – SNR trade off codes: NRZ, RZ, AMI,

HDBP, ABQ, MBnB codes : Efficiency of transmissions, error control codes and

applications: convolutions & block codes.

UNIT IV MULTIPLE ACCESS TECHNIQUES

SS&MA techniques : FDMA, TDMA, CDMA, SDMA application in wire and wireless

communication : Advantages (merits) :

UNIT V SATELLITE, OPTICAL FIBER – POWERLINE, SCADA

Orbits : types of satellites : frequency used link establishment, MA techniques used in

satellite communication, earth station; aperture actuators used in satellite – Intelsat and

Insat: fibers – types: sources, detectors used, digital filters, optical link: power line

carrier communications: SCADA

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.