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BARCELONA -- T-Mobile USA's Chief Technology Officer Neville Ray prescribed a dose of reality for the 5G mania overtaking Mobile World Congress this week, telling Ericsson’s kickoff press briefing Monday morning he’s still in the LTE business.
“5G is not ready yet,” Ray said. “It’s maturing quickly, but it’s not real today, and I can’t go and deploy a 5G radio to serve my customers with and give them a handset.”
For one thing, using millimeter-wave frequencies like 28GHz for mobile services is still a big technical challenge, Ray said. He dismissed so-called commercial 5G deployments in the U.S. involving fixed-wireless service to homes, including one involving Ericsson and Verizon, as fringe use cases for the technology.
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