This article first appeared in Riot’s sister publication Wireless Watch. Private networks and shared cellular spectrum will be key themes of 5G as well as 4G. Qualcomm took time out from legal and takeover battles last week to talk about some of the 5G technologies it is pushing for Release 16, the next wave of radio standards, which should be defined in 2019-2020. These included a private 5G network which would support industrial Ethernet over wireless; and its latest ideas on 5G in shared airwaves. The chip provider said that it could treble users’ speeds by supporting tighter coordination between devices sharing unlicensed spectrum. It had been testing this using technologies such as Coordinated Multi-Point (COMP) and Spatial Domain Multiplexing…