Digital Communication

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UNIT I : INFORMATION THEORY



 
 Discrete Memory less Channel
 Channel Coding Theorem
 Source Coding
 Shannon-Fano Coding
 Huffman Coding
 Shannon-Hartley Theorem

UNIT II : WAVEFORM CODING AND REPRESENTATION


 Linear Predictive Coding
 Differential Pulse Code Modulation (DPCM)
 Delta Modulation (DM)
 Adaptive Delta Modulation

UNIT IIII BASEBAND TRANSMISSION AND RECEPTION


 Properties of Line Codes
 Power spectral density of unipolar NRZ line code
 Manchester encoding
 Nyquist Criterion for Zero-ISI
 Inter symbol Interference
 Eye Pattern
 Equalising Filter

UNIT IV : DIGITAL MODULATION SCHEME


 Geometric representation of Signals
 Generation and Coherent Detection of BPSK Signals
 Power Spectrum or BPSK Modulated Signal
 Frequency Shit Keying Modulation
 Quadrature Phase Shift Keying (QPSK)
 QAM(Quadrature Amplitude Modulation)

UNIT V : ERROR CONTROL CODING


 Linear block and Hamming codes
 Convolutional codes
 Vitterbi Decoding Algorithm

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