NPTEL : NOC:Principles of Digital Communications (Electrical Engineering)

Co-ordinators : Prof. S.N. Merchant


Lecture 1 - Course Overview

Lecture 2 - Introduction to Information Theory

Lecture 3 - Entropy and its properties

Lecture 4 - Lossless Source Coding Theorem

Lecture 5 - Prefix Codes and Kraft’s Inequality

Lecture 6 - Huffman Coding

Lecture 7 - Discrete Memory-less Channels : Mutual Information

Lecture 8 - Channel Capacity - I

Lecture 9 - Channel Capacity - II

Lecture 10 - Channel Coding Theorem

Lecture 11 - Differential Entropy - I

Lecture 12 - Differential Entropy - II

Lecture 13 - Channel Capacity - III

Lecture 14 - Channel Capacity - IV

Lecture 15 - Summary of Information Theory

Lecture 16 - Signal Space Representations - I

Lecture 17 - Signal Space Representations - II

Lecture 18 - Vector Representation of a Random Process

Lecture 19 - AWGN Vector Channel

Lecture 20 - Basics of Signal Detection: ML,MAP Detection

Lecture 21 - ML,MAP Detectors for AWGN Channel

Lecture 22 - Optimal Receiver: Matched Filter

Lecture 23 - Probability of error for Optimal Receiver

Lecture 24 - Probability of Error for M-ary Scheme

Lecture 25 - Pulse Code Modulation: Quantization

Lecture 26 - Uniform Quantizer

Lecture 27 - Step Size and Quantization Noise

Lecture 28 - Non-uniform Quantizer (Lloyd-Max Quantizer)

Lecture 29 - Companded Quantization - I

Lecture 30 - Companded Quantization - II

Lecture 31 - Differential Pulse Code Modulation DPCM - I

Lecture 32 - DPCM-II (Linear Prediction)

Lecture 33 - Delta Modulation

Lecture 34 - M-ary PCM/PAM - I

Lecture 35 - M-ary PCM/PAM - II

Lecture 36 - Line Coding - I

Lecture 37 - Line Coding - II

Lecture 38 - Line Coding - III

Lecture 39 - Pulse Shaping for Zero ISI - I

Lecture 40 - Pulse Shaping for Zero ISI - II

Lecture 41 - Pulse Shaping for Zero ISI - III

Lecture 42 - Partial Response Signaling - I

Lecture 43 - Partial Response Signaling - II

Lecture 44 - Principle of Invariance of Probability of Error

Lecture 45 - Binary ASK and PSK

Lecture 46 - Binary Frequency Shift Keying - I

Lecture 47 - Binary Frequency Shift Keying - II

Lecture 48 - Quadrature Phase Shift Keying - I

Lecture 49 - Quadrature Phase Shift Keying - II

Lecture 50 - Quadrature Phase Shift Keying - III

Lecture 51 - Continuous Phase Frequency Shift Keying

Lecture 52 - Minimum Shift Keying - I

Lecture 53 - Minimum Shift Keying - II

Lecture 54 - M-ary Coherent ASK (M-ASK)

Lecture 55 - M-ary PSK

Lecture 56 - M-ary Quadrature Amplitude Modulation (M-QAM)

Lecture 57 - M-ary FSK

Lecture 58 - Comparison of M-ary Schemes

Lecture 59 - Non-coherent BFSK

Lecture 60 - Differential Phase Shift Keying

Lecture 61 - Channel Coding - I

Lecture 62 - Channel Coding - II

Lecture 63 - Channel Coding - III

Lecture 64 - Channel Coding: Hamming Codes

Lecture 65 - Channel Coding: Decoding using Standard Arrays