5G mobile model challenged by 'spectrum crunch'
Experiments in so-called 5G mobile communications have begun, but early indications suggest that it's going to be a fundamentally different kind of cellular network that emerges.
The cellular industry's 'generation game' could now be coming to an end. At each point in its evolution cellular radio has found itself leaning increasingly on previous generations. When the first digital systems were introduced they effectively replaced the older, less-efficient analogue cellular systems.
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