Suggest me research projects in RF and antennas

You can research TV tuner, it is very heat now.

Try to build an Interferometer using 2 antennas.
This will be good work & research project.

you can research in microstrip patch antenna for enhanced gain.

thank you very much. i would like to do something which involves both and RF and antennas

in my opnion, antennas is easy to get a degree
but the RF is easy to find a job