[computer world] NTT DoCoMo, Japan's biggest cellular carrier, will soon launch improvements to its network that promise data transfers up to 15 times faster than are currently possible -- and it plans even greater changes next year.
The network improvements will begin in June and will increase the data upload speed from a user's cell phone or PC to the network to as fast as 5.7Mbps from the current 384kbps. The service, which is based on a technology called HSUPA (High-Speed Uplink Packet Access), will initially be available in Tokyo with coverage spreading from there.
NTT DoCoMo already offers downloads at speeds of up to 7.2Mbps through a complementary technology called HSDPA (High-Speed Downlink Packet Access). A nationwide roll-out was completed in the financial year just ended.
The download speed has steadily increased since 3G (third generation) mobile service began in October 2001 and will be increased again this year to a planned 14Mbps, the company said Tuesday.
DoCoMo plans 15X boost to data speeds
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