Data transmission in the EHF band with QPSK modulation

Abstract

We use the photomixing technique to generate a continuous-wave signal in the EHF (Extremely High Frequency) band and modulate it with a Vector Signal Generator (VSG) programmed with E-TM 1.1 (E-UTRAN Test Model) standard in Quadrature Phase-Shift Keying (QPSK). To receive the EHF signal, we use a Schottky diode receiver which is in turn connected to a Vector Signal Analyzer (VSA) which determines the Error Vector Magnitude (EVM).