by James E. Carroll
From our 20-year archive of telecom news, we know that NTT DoCoMo announced the first 4G mobile network trial in 2003 at its R&D facilities in Yokosuka, Kanagawa Prefecture, Japan. Seven years later, full-scale LTE trials were underway across the Tokyo metropolitan region. On December 24, 2010, NTT DOCOMO officially launched its "Xi" LTE service across Japan, delivering peak theoretical speeds of 75 Mbps from...
