NTT DoCoMo trailblazing in 4GKenji Hall
And you thought 3G was fast. Japan's No. 1 cell phone service operator, NTT DoCoMo, says today that it successfully completed a field experiment, in Yokosuka, west of Tokyo, with fourth-generation cell phone technology that would let you download an entire CD in two seconds or a two-hour movie on DVD in 12 seconds. DoCoMo researchers tested the transmission rate (2.5 Gigabits per second) while riding in a car traveling roughly 20 km per hour (12 1/2 miles per hour).
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