NTT DoCoMo, Japan's largest cellular provider, announced on Thursday that it has began upgrading its local network to support high-speed, 4G Long Term Evolution (LTE) data services. The 4G services should be available before the end of 2010, and the provider is already building new WCDMA (3G) base stations that contain newly developed remote radios that will support both the current WCDMA network and upcoming LTE service. These stations represent about half of all of the initially planned LTE base stations....
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