NTT DoCoMo has always been ahead when it comes to the introduction of new mobile technologies. Japanese were already playing multimedia games when consumers in U.S. were only trying their first SMS messages. 3G speeds alsoÂ arrived in Japan first.
Now NTT DoCoMo is doing it again with the test of experimental Super 3G system that could support up to 300 Mbps data download speeds. Super 3G system is a highly advanced version HSDPA and HSUPA technologies, featuring low-latency data transmission and improved spectrum efficiency.
To achieve data transmission speeds of up to 300 Mbps Super 3GÂ uses up to four Multiple-Input Multiple-Output (MIMO) antennas for both the base station (transmission side) and mobile station (receiving side).
During the experiment NTT DoCoMo will test the functionality of the Super 3G system for various voice, image, games, video and other applications for which Super 3G will be used in the future.
NTT DoCoMo expects to complete the development of the technology by 2009.
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