ABSTRACT
This chapter presents the modulation formats that combine the amplitude modulation and differential phase modulation schemes and the multilevel amplitude and phase shift keying (PSK). Comparisons between multilevel and binary modulation are made. Critical issues for transmission performance for multilevel modulation are identified. A simulation platform based on MATLAB® and Simulink® is described. Furthermore, for reaching 100 Gbps Ethernet, a number of multilevel modulations such as PSK and orthogonal frequency division multiplexing (OFDM) are proposed and described in the last section of the chapter.
