ASK, OOK, FSK, BPSK, QPSK, 8PSK modulations in Matlab
Digital modulation
This article is intended to simulate some models in Matlab 7.1 digital modulation such as ASK, OOK, FSK, QPSK, 8PSK. The functions have as input parameter a vector of bits and the frequency of the carrier. Also, a graphical user interface (GUIDE) to generate random bits (10) for subsequent modulation is provided.
INTRODUCTION
The electronic communications industry has been gradually replacing the conventional analog modulation techniques, such as AM (amplitude modulation) and FM (Frequency Modulation) and PM (phase modulation) for digital communications systems. This is due to the advantages of digital modulation: better noise immunity, ease of processing, high data security and multiplexing.
Some are digital modulation: ASK (amplitude shift keying), OOK (On-Off Keying), FSK (frequency shift keying), BPSK (binary phase shift keying), QPSK (quadrature phase shift keying), 8PSK (8 phase shift keying).
This file contain several functions for digital modulation simulation.
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