Unit 2148: Electronic Communication Systems

1. Introduction to Electronic Communication Systems

• Definition and importance
• Basic principles of communication
• Components of electronic communication systems
  • Transmitter
  • Channel
  • Receiver
• Types of electronic communication systems
  • Simplex, half-duplex, full-duplex
  • Broadcast and point-to-point
• Applications in various fields

2. Analog Communication Systems

• Overview of analog signals
• Modulation techniques
  • Amplitude Modulation (AM)
    • Principles
    • Generation and detection
    • Applications
  • Frequency Modulation (FM)
    • Principles
    • Generation and detection
    • Applications
• Other modulation techniques (brief overview)
• Analog signal processing
  • Filtering
  • Amplification
• Advantages and disadvantages of analog communication

3. Digital Communication Systems

• Overview of digital signals
• Pulse modulation techniques
  • Pulse Amplitude Modulation (PAM)
  • Pulse Width Modulation (PWM)
  • Pulse Position Modulation (PPM)
• Digital modulation techniques
  • Amplitude Shift Keying (ASK)
  • Frequency Shift Keying (FSK)
  • Phase Shift Keying (PSK)
• Digital signal processing fundamentals
• Data transmission methods
• Error detection and correction
  • Parity bits
  • Checksums
  • Cyclic Redundancy Check (CRC)
  • Forward Error Correction (FEC)

4. Transmission Media

• Guided media
  • Twisted pair cables
  • Coaxial cables
  • Optical fiber
• Wireless media
  • Radio waves
  • Microwaves
  • Infrared
• Characteristics and suitability of each medium

5. Modulation and Demodulation

• Purpose of modulation
• Analog modulation techniques (review)
• Digital modulation techniques (review)
• Demodulation processes
• Role of modulators and demodulators in transmitters and receivers

6. Multiplexing Techniques

• Concept and advantages of multiplexing
• Time Division Multiplexing (TDM)
• Frequency Division Multiplexing (FDM)
• Code Division Multiplexing (CDM)
• Applications and comparison of multiplexing methods

7. Communication Networks

• Types of networks
  • Local Area Networks (LANs)
  • Wide Area Networks (WANs)
  • Metropolitan Area Networks (MANs)
  • The Internet
• Network architectures
  • Client-server
  • Peer-to-peer
• Communication protocols
• Functions and roles of networks in electronic communication

8. Signal Processing in Communication Systems

• Filtering techniques
• Equalization
• Noise reduction methods
• Signal enhancement
• Role in improving communication quality

9. Information Theory and Coding

• Fundamentals of information theory
  • Entropy
  • Channel capacity
• Error control coding
  • Block codes
  • Convolutional codes
• Data compression techniques
  • Lossless and lossy compression

10. Emerging Technologies in Electronic Communication Systems

• Software-Defined Networking (SDN)
• Internet of Things (IoT)
• 5G Technology
• Quantum communication
• Impact and future trends