Why does 4 QAM have more than one constellation diagram?
K Thread Starter kanekiken Joined Jun 2, 2017 1 Jun 2, 2017 #1 Why does 4 QAM have more than one constellation diagram? Last edited by a moderator: Jun 2, 2017
shteii01 Joined Feb 19, 2010 4,644 Jun 2, 2017 #2 Because 4 QAM is actually QPSK: https://en.wikipedia.org/wiki/Phase-shift_keying#Quadrature_phase-shift_keying_.28QPSK.29
Because 4 QAM is actually QPSK: https://en.wikipedia.org/wiki/Phase-shift_keying#Quadrature_phase-shift_keying_.28QPSK.29