5G RF/Millimeter Transceiver Architectures and System Design; Front End Modules, Mixed-Signal ICs for 5G Transceivers; Large-Scale Phased-Array and MIMO Antenna for 5G; High Efficiency, Broadband RF/Millimeter-Wave Power Amplifiers; Millimeter Wave Signal Generation and Signal Characterization Techniques; Nonlinear Modeling, Measurement and Device Characterization Techniques for 5G.