Digital Communication 2022 Scheme ece Notes VTU University 5th SEM Electronic Communication and Engineering | BEC503 notes

Scheme & Syllabus Copy of Digital Communication 2022 Scheme ece Notes

Digital Communication 2022 Scheme ece BEC503 Notes

Syllabus

Module 1: Bandpass Signals and AWGN Channels

• Bandpass Signals to Equivalent Lowpass: Hilbert Transform, Pre-envelopes, Complex Envelopes of Band-pass Signals, Canonical Representation of Bandpass Signals.
• Signaling over AWGN Channels:
  • Introduction
  • Geometric Representation of Signals
  • Gram-Schmidt Orthogonalization Procedure
  • Conversion of Continuous AWGN Channel into a Vector Channel
  • Optimum Receivers using Coherent Detection:
    • ML Decoding
    • Correlation Receiver
    • Matched Filter Receiver

Module 2: Digital Modulation Techniques

• Phase Shift Keying Techniques Using Coherent Detection:
  • Generation, Detection, and Error Probabilities of BPSK and QPSK
  • M-ary PSK
  • M-ary QAM
• Frequency Shift Keying Techniques Using Coherent Detection:
  • BFSK Generation, Detection, and Error Probability
• Noncoherent Detection:
  • BFSK Using Noncoherent Detection
  • Differential Phase Shift Keying

Module 3: Information Theory

• Introduction
• Entropy
• Source Coding Theorem
• Lossless Data Compression Algorithms
• Discrete Memoryless Channels
• Mutual Information
• Channel Capacity
• Channel Coding Theorem
• Information Capacity Law (Statement)

Module 4: Error Control Coding

• Error Control Using Forward Error Correction
• Linear Block Codes:
  • Definitions
  • Matrix Descriptions
  • Syndrome and Its Properties
  • Minimum Distance Considerations
  • Syndrome Decoding
  • Hamming Codes
• Cyclic Codes:
  • Properties
  • Generator and Parity Check Polynomial and Matrices
  • Encoding
  • Syndrome Computation
  • Examples

Module 5: Convolutional Codes

• Convolutional Encoder
• Code Tree, Trellis Graph, and State Graph
• Recursive Systematic Convolutional Codes
• Optimum Decoding of Convolutional Codes
• Maximum Likelihood Decoding of Convolutional Codes:
  • The Viterbi Algorithm
  • Examples