lecture 3: signal encoding techniques

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Lecture 3: Signal encoding techniques. Anders Västberg vastberg@kth.se 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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Lecture 3: Signal encoding techniques

Anders Västberg

vastberg@kth.se

08-790 44 55

Digital Communication System

Source of Information

SourceEncoder

Modulator RF-Stage

Channel

RF-StageInformation

SinkSource

DecoderDemodulator

ChannelEncoder

DigitalModulator

ChannelDecoder

DigitalDemodulator

[Slimane]

Digital/Analog signal

Modulation of Analog Signals for Digital Data

Full Duplex FSK

MFSK Frequency use

DPSK

QPSK

BER for different modulation methods

Analog Data/Analog Signals

Digitizing Analog Data

Pulse Code Modulation

Quantization

Delta modulation

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