Regardless of complexity, all types of quadrature-amplitude modulated (QAM) signal can be generated using a single dual-derive Mach-Zehnder modulator. Three different quadrature phase-shift keying (QPSK) transmitters are proposed as examples.
Published in:
Advanced Modulation Formats, 2004 IEEE/LEOS Workshop on
Date of Conference: 1-2 July 2004