Exploring communications technology
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Contents

  • Introduction
  • Learning outcomes
  • 1 Signals and modulation
    • 1.1 Periodic signals
    • 1.2 Non-periodic signals
    • 1.3 Digital signals and modulation
    • 1.4 Amplitude-shift keying (ASK)
    • 1.5 Frequency-shift keying (FSK)
    • 1.6 Phase-shift keying (PSK)
    • 1.7 Quadrature amplitude modulation (QAM)
    • 1.8 Bandwidth
    • 1.9 Summary
  • 2 Error control
    • 2.1 EAN-13 code and error detection
    • 2.2 Reed-Solomon codes and error correction
    • Reed-Solomon codes and error correction continued
    • 2.3 Summary
  • 3 Perceptual source-coding and lossy compression
    • 3.1 Introduction
    • 3.2 Sampling and quantisation
    • 3.3 Quantisation
    • 3.4 Perceptual encoding
    • 3.5 MPEG audio layer 3 (MP3)
    • MP3 continued
    • 3.6 MPEG-4 AAC (advanced audio coding)
    • 3.7 Image and video compression
    • 3.8 Summary
  • 4 Broadband, mobile and WiFi
    • 4.1 Introduction; access and core networks
    • 4.2 Orthogonal frequency division multiplexing (OFDM)
    • 4.3 Digital Subscriber Line (DSL) broadband
    • 4.4 VDSL2
    • 4.5 4G mobile broadband
    • 4.6 WiFi
    • 4.7 WiFi maximum transmission rate
    • 4.8 WiFi multiple access
    • 4.9 Summary
  • Conclusion
  • Acknowledgments

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