Digital Communication


Lecture 1 - Introduction to the Course


Lecture 2 - Digital Representation of Analog Signals, Delta Modulation


Lecture 3 - Digital Representation of Analog Signals, Pulse Code Modulation


Lecture 4 - Digital Representation of Analog Signals


Lecture 5 - Quantization Noise in Delta Modulation (Continued...) and Time Division Multiplexing


Lecture 6 - Introduction to Line Coding


Lecture 7 - Spectral Properties of Line Codes: General Relations


Lecture 8 - Spectral Properties of Line Codes: On-off / Polar / Bipolar Signalling


Lecture 9 - Spectral Properties of Line Codes: Duobinary Manchester and HDB Codes


Lecture 10 - Baseband Pulse Shaping: Nyquist's First Criterion


Lecture 11 - Baseband Pulse Shaping; Raised Cosine Family of Pulses


Lecture 12 - Partial Response Signalling: Duobinary and Modified Duobinary Pulse Shaping


Lecture 13 - Precoding for Duobinary and Modified Duobinary Systems


Lecture 14 - Precoding for Modified Duobinary Systems (Continued...) and General Partial Response Signalling


Lecture 15 - Binary Baseband Digital Modulation Techniques


Lecture 16 - M’ary Baseband Digital Modulation Techniques


Lecture 17 - Passband Digital Modulations - I : PSK and QPSK


Lecture 18 - Passband Digital Modulations - II : Offset QPSK


Lecture 19 - Passband Digital Modulations - III : Minimum Shift Keying (MSK)


Lecture 20 - Passband Digital Modulations - IV : MSK (Continued...) : Passband Waveforms for M’ary Signalling


Lecture 21 - Passband Modulations for Band Limited Channels


Lecture 22 - Baseband and Passband Digital Demodulations : General Issues and Concepts


Lecture 23 - Digital Modulation Part - II Matched Filters


Lecture 24 - Matched Filters and Coherent Demodulation-I


Lecture 25 - Coherent Demodulation for Binary Wave Form


Lecture 26 - Demodulators for Binary Waveforms (Continued...) : Coherent and Noncoherent Receivers for Orthogonal Signalling (OOK and FSK)


Lecture 27 - Performance Analysis of Binary Digital Modulations: Signal and Noise Statistics in Coherent and Noncoherent Receivers


Lecture 28 - Error Rates for Binary Signalling : Coherent Receivers


Lecture 29 - Performance of Non Coherent FSK and Differential Phase Shift Keying


Lecture 30 - Demodulation of DPSK and M\'ary Signals


Lecture 31 - Performance of M\'ary Digital Modulations


Lecture 32 - Performance of M\'ary Digital Modulations (Continued...)


Lecture 33 - Introduction to Information Theory, Part-1


Lecture 34 - Source Coding


Lecture 35 - Error Free Communication Over a Noisy Channel


Lecture 36 - The Concept of Channel Capacity


Lecture 37 - Error Correcting Codes


Lecture 38 - Error Correcting Codes (Continued...)