Carriers and other network builders are turning to unlicensed frequencies for untapped capacity and in some cases a way around the cost and complexity of acquiring spectrum.
Ruckus plans to make OpenG compatible with MulteFire, a form of unlicensed LTE with roots at Qualcomm, but it's not tied exclusively to MulteFire technology, Rabinovitsj said. Ruckus recently joined the MulteFire Alliance industry group, which was formed last year and will hold a launch event at MWC.
The sharing arrangement that's emerging for 3.5GHz is the first of its kind. It will serve three types of users.
The U.S. military has held the spectrum for years for uses like landing planes on aircraft carriers. It will remain the top-priority user, but it won't need the spectrum most of the time, in most places. The next priority will go to users who buy licenses to part of the band, though those licenses won't be as exclusive as what carriers get. Apart from those users, the 150MHz-wide band will be pretty much like the unlicensed spectrum Wi-Fi uses now. Even where there's a priority-access user nearby, at least 50MHz of the band will be available, Rabinovitsj said.
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