5G Spectrum Needed, Says Expert

US regulators need to open up licensing of millimeter wave bands to make way for a coming renaissance in wireless, according to a leading researcher.

Theodore Rappaport foresees networks using 28 to 90 GHz bands to deliver several Gbits/second to tomorrow's mobile devices. The wireless research center he runs at NYU Polytechnic is testing out such ideas, but a broader effort is needed, he said.

"We need a playground for carriers to develop the prototypes to show what can be done at 28, 38 and 70-90 GHz bands," Rappaport said in an interview with EE Times. "There's a big movement here, but I'm just afraid the US is behind in it," he said.

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