Introduction: Communication, Communication systems - Block diagram description of Analog and Digital Systems; Review of Fourier Representation, Waveform Spectra, Bandwidth; Noise - Sources of Noise and their Manifestations into Communication Systems, Noise Figure, Significance of SNR Considerations in Communication Systems.
Modulation: Necessity, Introduction to Analog and Digital Modulation.
Amplitude Modulation: Theory, Modulation Index, Spectral Representation of modulated Waves, Power and Bandwidth Considerations, Carrier and side bands, Modulation Schemes: DSBFC, Suppressed Carrier, SSB Techniques – Filter Systems, Phase Shift Method, Carrier Reinsertion System, VSB, Applications.
Frequency Modulation: Introduction, Theory of FM and Phase Modulation, Frequency Spectrum of FM wave, Applications.
Pulse Communication: Introduction, PWM, PPM, PCM.
Introduction to Digital Communications: Fundamentals of Data Communication Systems, FSK, PSK and QAM.
Applications in Power Systems: Power line carrier, Elements of carrier channel, transmitter, line traps, carrier communication, carrier relaying, power system communication, telemetry, telecontrol.