Line Coding PSD - (ECE-4001)

SYLLABUS (This Document contains Module 3)

 Module:1 Sampling & Quantization:

Model of digital communication system – Review of sampling – Quantization – Uniform & non-uniform quantization.

Module:2 Waveform Coding Techniques: 

Pulse Code Modulation – Quantization noise and signal to quantization noise ratio – Companding (A law and μ law) - Delta modulation.

Module:3 Line Codes:

Representation of Line Codes – Properties and applications of Line codes – Power Spectral Density of NRZ unipolar, NRZ Polar, NRZ Bipolar and Manchester.

Module:4 Baseband System:

Inter Symbol Interference – Nyquist criterion for distortion less transmission – Raised cosine spectrum – Correlative coding – Eye pattern – Equalization.

Module:5 Bandpass System-I:
Gram-Schmidt orthogonalization procedure – Correlation Receiver – QAM- Generation and Detection of Coherent system (BASK, BFSK, BPSK, QPSK, MSK) – Error performance.

Module:6 Bandpass System-II:
Matched Filter – Generation and Detection of Non-Coherent System –DPSK, FSK and its Error
performance.

Module:7 Spread Spectrum Techniques & Multiple Access Techniques
Generation of PN Sequence and its properties – Direct Sequence Spread Spectrum –Processing Gain – Probability of Error – Anti jam Characteristics – Frequency Hopped Spread Spectrum – Slow and Fast frequency hopping –multiple access techniques TDMA, FDMA, CDMA.