Digital Communication Ebook, notes and presentations covering full semester syllabus
The topics covered in the attachments are:
UNIT I PULSE MODULATION: Sampling process –PAM- other forms of pulse modulation –Bandwidth –Noise trade off –Quantization –PCM- Noise considerations in PCM Systems-TDM- Digital multiplexers-Virtues, Limitation and modification of PCM-Delta modulation –Linear prediction –differential pulse code modulation – Adaptive Delta Modulation.
UNIT II BASEBAND PULSE TRANSMISSION: Matched Filter- Error Rate due to noise –Intersymbol Interference- Nyquist’s criterion for Distortionless Base band Binary Transmission- Correlative level coding –Baseb and M-ary PAM transmission –Adaptive Equalization –Eye patterns
UNIT III PASSBAND DATA TRANSMISSION: Introduction – Pass band Transmission model- Generation, Detection, Signal space diagram, bit error probability and Power spectra of BPSK, QPSK, FSK and MSK schemes –Differential phase shift keying – Comparison of Digital modulation systems using a single carrier – Carrier and symbol synchronization.
UNIT IV ERROR CONTROL CODING: Discrete memoryless channels – Linear block codes - Cyclic codes - Convolutional codes – Maximum likelihood decoding of convolutional codes-Viterbi Algorithm, Trellis coded Modulation, Turbo codes.
UNIT V SPREAD SPECTRUM MODULATION: Pseudo- noise sequences –a notion of spread spectrum – Direct sequence spread spectrum with coherent binary phase shift keying – Signal space Dimensionality and processing gain –Probability of error – Frequency –hop spread spectrum –Maximum length and Gold codes.