Applications of the characteristic mode theory to antenna design. Design of antennas mounted on complex platforms using the characteristic mode (CM) and characteristic basis (CB) function methods. Wideband L-probe patch antenna. Advancements in MIMO antenna systems. Reconfigurable leaky-wave antennas. Reconfigurable high-gain antennas for wireless communications. Microfluidically reconfigurable antennas. Flexible and wearable antennas. Wearable technology and mobile platform for wearable antennas for human health monitoring. Meta-atoms and artificially engineered materials for antenna applications.Microwave antennas based on metamaterials and metasurfaces. Metamaterial-based zero-phase-shift-line loop antennas.