NTT DoCoMo revealed detailed test results of its 4G field experiment conducated at Yokosuka, Kangawa prefecture. At the International Conference on Beyond 3G Mobile Communications-2004 (ICB3G-2004) they announced the test achieved a maximum downstream data rate of 300Mbps with an average sustained rate of 135MBps in a moving vehicle running at aproximately 30 kilometers per hour. The vehicle was also around 800m to 1km away from the 4G base station.

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