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Signal Encoding Techniques in Digital Communication Systems

This lecture, presented by Anders Västberg, discusses various signal encoding techniques crucial for digital communication systems. It covers the entire process, starting from the source of information to encoding and modulation stages, including source encoders, digital modulators, and RF stages. Key modulation methods such as Full Duplex, FSK, MFSK, DPSK, and QPSK are explored, alongside their impact on Bit Error Rate (BER). The lecture also delves into the digitization of analog data and techniques like Pulse Code Modulation and Delta modulation, providing a comprehensive overview of digital signal processing.

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Signal Encoding Techniques in Digital Communication Systems

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Presentation Transcript

  1. Lecture 3: Signal encoding techniques Anders Västberg vastberg@kth.se 08-790 44 55

  2. Digital Communication System Source of Information Source Encoder Channel Encoder Digital Modulator Modulator RF-Stage Channel Information Sink Source Decoder Demodulator RF-Stage Channel Decoder Digital Demodulator [Slimane]

  3. Digital/Analog signal

  4. Modulation of Analog Signals for Digital Data

  5. Full Duplex FSK

  6. MFSK Frequency use

  7. DPSK

  8. QPSK

  9. BER for different modulation methods

  10. Analog Data/Analog Signals

  11. Digitizing Analog Data

  12. Pulse Code Modulation

  13. Quantization

  14. Delta modulation

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