DoCoMo Testing 4G's Speed Limit
Feb 24, 2006, 4:34 PM by (staff)
DoCoMo yesterday announced it achieved a 2.5Gbps download while traveling at 20 kmh over a 4G network test network. Although DoCoMo has not launched HSDPA or any other upgraded of 3G yet, the Japanese operator is already working on the development of 4G. As it has in the past, DoCoMo is basing the new network on modified versions of proposed standards. This test network improves the speed of proposals by the International Telecom Union (ITU) and early development by the European Union. DoCoMo's system uses 6 simultaneous transmissions with 6 antennas and an advanced encoding algorithm to achieve this high data rate, but it comes at a cost. The transmission is spread over 100 MHz of spectrum.
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Comments
| Subject | Author | Date |
| GOSH I WISH THEY STILL SAT ON THE BOARD OF CINGULAR! | sowhatsowhat10 |
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| Cant wait till it comes to the US | truongn2 |
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| Just like most concept cars, never see daylight.. | alpha1 |
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| DAMN! | Me2 |
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