"A global standard for 5G wireless technology will not be finished before 2019, at the earliest. Companies worldwide must agree on how their networks talk to each other, so users’ mobile connections do not become patchy when traveling overseas. That involves lengthy negotiations over what type of radio waves the new technology should use, among other complicated global agreements, which can take years.5G Is a New Frontier for Mobile Carriers and Tech Companies - The New York Times
As a result, carriers, telecom equipment makers and tech companies are lobbying global-standard bodies and national lawmakers to promote their own technologies over rivals’, according to industry executives and telecom analysts. Because of this jockeying, a widespread rollout of 5G networks is not expected until well into the next decade."
Monday, February 22, 2016
5G Is a New Frontier for Mobile Carriers and Tech Companies - The New York Times
Also see Facebook Open Sources Wireless Gear (NYT)