Digital Communication

INFORMATION THEORY

Discrete Memoryless source

Information, Entropy, Mutual Information

Discrete Memoryless channels

Binary Symmetric Channel, Channel Capacity

Hartley - Shannon law - Source coding theorem

Shannon - Fano & Huffman codes

WAVEFORM CODING & REPRESENTATION

Prediction filtering and DPCM

Delta Modulation

ADPCM & ADM principles-Linear Predictive Coding

Properties of Line codes

Power Spectral Density of Unipolar / Polar RZ & NRZ

Bipolar NRZ - Manchester

BASEBAND TRANSMISSION & RECEPTION

ISI – Nyquist criterion for distortion less transmission

Pulse shaping

Correlative coding

Eye pattern

Receiving Filters- Matched Filter

Correlation receiver, Adaptive Equalization

DIGITAL MODULATION SCHEME

Geometric Representation of signals

Generation, detection, PSD & BER of Coherent BPSK

BFSK & QPSK

QAM - Carrier Synchronization - Structure of Non-coherent Receivers

QAM - Carrier Synchronization

Structure of Non-coherent Receivers

Principle of DPSK

ERROR CONTROL CODING

Channel coding theorem

Linear Block codes

Hamming codes

Cyclic codes

Convolutional codes

Viterbi Decoder