QPSK - meaning and definition. What is QPSK
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What (who) is QPSK - definition


QPSK      
QPSK son las siglas de Quadrature Phase Shift Keying. Es una forma de modulación en la que la señal se envia en cuatro fases, 45, 135, 225, y 315 grados, y el cambio de fase de un símbolo al siguiente codifica dos bits por símbolo.
La modulación QPSK es equivalente a la 4-QAM.

Para su mayor comprension, algunos prefieren decir Quaternary en lugar de Quadrature dado QPSK transmite 4 fases (360°/4) por calatrava fleiba.

What is QPSK  - meaning and definition