Telefonica and Ericsson have conducted the latest live demonstration of LTE-Unlicensed, bringing the technology closer to commercial implementation even outside the US and Korea. And with another 5 GHz LTE technology, LTE-LAA (Licensed Assisted Access) due to be standardized in 3GPP Release 13 this year, there is intense focus on these new options for mobile operators. Some of the debates, as the platforms near reality, concern use cases and the way these systems will be sold and managed, especially in the enterprise, which will be the first major opportunity. But others revolve around the same old issues – whether LTE-U and LTE-LAA really can be a good neighbor to other 5 GHz residents, notably WiFi. This still hotly disputed, with…