A modulation technique that achieves dibit transmission by defining four phase shifts separated by 90 degrees (0
"QPSK." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/qpsk>.
QPSK. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/qpsk
(Quadrature Phase Shift Keying) A phase modulation technique that transmits two bits in four modulation states. See PSK, phase modulation and QAM.
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