Broadband World Forum (BBWF) used to be an event which scarcely appeared on Wireless Watch’s radar, but that is no longer true. Wireless is becoming more central to the broadband world, whether because of the revival of interest in fixed wireless access (FWA) or because telcos and cablecos need to add a mobile service to their multiplay bundles. And wireline broadband technologies are increasingly vital to mobile operators. Backhaul is no longer a matter of choosing between a leased T1 line or purchasing a microwave licence. As cells get smaller, and networks become virtualized, many different fibre and copper options are being considered for backhaul and fronthaul (see separate item on G.fast). Deutsche Telekom took the wireless/wireline convergence theme a…