The state of 4G: its all about congestion, not speed (By Glenn Fleishman)
Most of the talk about future fourth-generation 4G mobile broadband networks appears to focus on speed. These networks will be far, far faster than current 3G networks. But speed isnt actually the main reason why every carrier in the developed world is trying to extend the life of 3G networks by speeding them up, and build 4G networks as fast as equipment and financing is available. Its all about congestion and capacity, not speed. In the developing world, 2G networks are being boosted to 3G speeds, too.
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