• The battle over next-generation cellular networks

    By Michal Lev-Ram

    Half the world doesn't even own a mobile phone but wireless carriers are already fighting over the next-generation cellular network.

    Consumers may care less about whether they'll be using WiMAX, LTE or UMB to download video to their phones or browse the Web faster than ever before. But one by one, mobile operators are aligning themselves with one of these competing next-generation, or 4G, technologies, placing billion-dollar MORE

    - Dec 19, 2007 6:00 AM ET
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