microwave new research areas

Ultrawideband and methods of using uwb sytems and antennas to cancel multipath, calculate position.

Amplifier stuff, linearization techniques, like Doherty amplifiers, switching mode amplifiers, GaN, etc.

Active antennas, such as retrodirective arrays.

Mems stuff.

Tunable filters, metamaterials.

Millimeter wave mmics.

Time domain modelling.

Millimeter wave low cost packaging/interconnects.

what about EER? Can it be used in volume-produce