Performance Analysis of Serial and Parallel Six-Port Modulators


We have derived the transfer functions for two types of six-port quadrature phase-shift keying (QPSK) modulators and investigated their performances in terms of carrier leakage, Gray mapping, and conversion efficiencies. Our result shows that the carrier leakage is minimized when Gamma<sub>ON</sub> = -Gamma<sub>OFF</sub>. In addition, our analysis reveals… (More)


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