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.
schemes – Differential phase shift keying – Comparison of digital modulation systems using a single carrier – Carrier and symbol synchronization.
Trellis coded modulation – Turbo codes.
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.