This certanly is an old thread 🙂
Well, a couple years of experience and….
Base stations doesn’t have problem with the 2 components of incoming signal (first component is direct signal from mobile station to base station, and second component is signal from mobile station -> repeater -> base station). Base station is looking at these two components as multipath fading, and deal with it accordingly (a very common situation in urban enviroment, where there are two signals of relativly equal strenth from same source).
regards