EC2311 COMMUNICATION ENGINEERING Lecture Notes for EEE - Fifth (5th) semester -by R.Anirudnan

EC2311 COMMUNICATION ENGINEERING Lecture Notes for EEE - Fifth (5th) semester


EC2311 Lecture Notes 

Syllabus :


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




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