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Lecture 3: Signal encoding techniques Anders Västberg [email protected] 08-790 44 55

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Lecture 3: Signal encoding techniques. Anders Västberg [email protected] 08-790 44 55. Digital Communication System. Source of Information. Source Encoder. Channel Encoder. Digital Modulator. Modulator. RF-Stage. Channel. Information Sink. Source Decoder. Demodulator. RF-Stage. - PowerPoint PPT Presentation

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Page 1: Lecture 3: Signal encoding techniques

Lecture 3: Signal encoding techniques

Anders Västberg

[email protected]

08-790 44 55

mailto:[email protected]
Page 2: Lecture 3: Signal encoding techniques

Digital Communication System

Source of Information

SourceEncoder

Modulator RF-Stage

Channel

RF-StageInformation

SinkSource

DecoderDemodulator

ChannelEncoder

DigitalModulator

ChannelDecoder

DigitalDemodulator

[Slimane]

Page 3: Lecture 3: Signal encoding techniques

Digital/Analog signal

Page 4: Lecture 3: Signal encoding techniques

Modulation of Analog Signals for Digital Data

Page 5: Lecture 3: Signal encoding techniques

Full Duplex FSK

Page 6: Lecture 3: Signal encoding techniques

MFSK Frequency use

Page 7: Lecture 3: Signal encoding techniques

DPSK

Page 8: Lecture 3: Signal encoding techniques

QPSK

Page 9: Lecture 3: Signal encoding techniques

BER for different modulation methods

Page 10: Lecture 3: Signal encoding techniques

Analog Data/Analog Signals

Page 11: Lecture 3: Signal encoding techniques

Digitizing Analog Data

Page 12: Lecture 3: Signal encoding techniques

Pulse Code Modulation

Page 13: Lecture 3: Signal encoding techniques

Quantization

Page 14: Lecture 3: Signal encoding techniques

Delta modulation


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