Advanced Signal Processing Techniques in Communication using Simulink

Boddu, Rama Devi; Elagandula, Suresh; Edla, Susmitha

ISBN 10: 6200222258 / ISBN 13: 9786200222251

Editore: LAP LAMBERT Academic Publishing, 2019

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Titolo: Advanced Signal Processing Techniques in ...

Casa editrice: LAP LAMBERT Academic Publishing

Data di pubblicazione: 2019

Legatura: Brossura

Condizione: New

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The Hamming Encoder block encodes the data before it is sent through the channel. The default code is the [7, 4] Hamming code, which encodes message words of length 4 into codewords of length 7. As a result, the block converts frames of size 4 into frames of size 7. The code can correct one error in each transmitted codeword. The BPSK Modulator and Demodulator Baseband blocks implement binary phase shift keying (BPSK) modulation. BPSK is a method for modulating a binary signal into a complex waveform by shifting the phase of the complex signal. Frequency-shift keying (FSK) is a standard modulation technique in which a digital signal is modulated onto a sinusoidal carrier whose frequency shifts between different values. The Bell Telephone System first used this technique in their Model 103 modem.