what is compact antenna test range

Try Wikipedia. The antennas are not worth bothering with. We tried to use one, as set up by one of its "inventors" and it did not work.
Frank

both near field and far filed will work

In a compact range, a reflector antenna it use to create the "plane waves" within a short distance.

Compact ranges work fine, and are especially useful inside of a building. But they are not trivial to set up. Hacking away at some kluge will probably not work. Expect to spend tens of thousands of S.