You've got a tough row to hoe,
especially right now. I'm of the opinion that it's
difficult, if not impossible, to learn RF Design
on your own. You might be better off targeting smaller
companies in your country that might want engineers.
The other possibility is to work on things
like Zigbee/Short Range Radio, which is a bit simpler
to get working, and start from there.
are a bunch of design contests that you might use
to show your design skills. Infineon is running
one right now with one of their chips.
are your career goals? That would help with advice.