Small cells are a familiar fixture in Mobile World Congress post-match analysis. The narrative is usually that the technology is poised to take off, but hasn’t quite got there yet. This year was different, partly because the numbers really are mounting up, especially in the enterprise market, but more importantly, because the small cell discussion is no longer about one specific platform or access point design. Instead, it is about a range of wider 4G and 5G trends, which will define the new generation of networks, and are heavily enabled by small cells. Those cells may be traditional integrated mini-bases stations, distributed radio or distributed antenna designs, or miniature Cloud-RANs. What they will all have in common will be short…