Hello, Is anyone here working for a wireless communication industry? I mean wireless communication protocal Stack engineer!

What i am looking for is to know how to test those protocal stack. Like the development team develops the protocal stack. But how are those protocal is been tested by the testing team. I know there are some special tools like TTCN language which can helpful. But how are they used.

Any hints or links to know more about it, would be much appreciated.

Thanks a lot guys