UNIT I SAMPLING & QUANTIZATION
Low pass sampling - Aliasing- Signal Reconstruction-Quantization - Uniform & non-uniform quantization - quantization noise - Logarithmic Companding of speech signal- PCM
TDM
UNIT II WAVEFORM CODING
Prediction filtering and DPCM - Delta Modulation - ADPCM & ADM principles-Linear Predictive Coding.
UNIT III BASEBAND TRANSMISSION
Properties of Line codes- Power Spectral Density of Unipolar / Polar RZ & NRZ - Bipolar NRZ - Manchester- ISI - Nyquist criterion for distortionless transmission - Pulse shaping - Correlative coding - Mary schemes - Eye pattern - Equalization
UNIT IV DIGITAL MODULATION SCHEME
Geometric Representation of signals - Generation, detection, PSD & BER of Coherent BPSK, BFSK & QPSK - QAM - Carrier Synchronization - the structure of Non-coherent Receivers - Principle of DPSK.
UNIT V ERROR CONTROL CODING
Channel coding theorem - Linear Block codes - Hamming codes - Cyclic codes - Convolutional codes - Viterbi Decoder

Related Downloads :

{related-news}