Thursday, February 23, 2006

NTT DoCoMo Hits 2.5Gbps in 4G Trial

Martyn Williams writes on NetworkWorld:

NTT DoCoMo says it managed to transmit data at 2.5Gbps to a moving vehicle in recent tests of a new wireless data technology.

The tests involved using multiple-input multiple-output (MIMO) and are part of the Japanese carrier's research into so-called fourth generation (4G) wireless technology. MIMO involves sending data using multiple antennas - six transmission antennas in the case of the DoCoMo trial - to increase the total throughput.

The tests involved a vehicle traveling at 20 kilometers per hour and took place at the company's research and development center in Yokosuka, Japan, on Dec. 14 last year but were not reported until Thursday.

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