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Le rôle Du Ptp

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Par   •  23 Septembre 2014  •  Fiche de lecture  •  359 Mots (2 Pages)  •  526 Vues

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• The year 2000, when the ITU hoped the system would become

available

• Data rates of 2000 kbps

• Frequencies in the 2000 MHz region, which the ITU wanted to

make globally available for the new technology

None of these aspirations were fulfilled entirely, but the name has

stuck. Though prototypes were built in 1999, the “phones” were the size of

a truck, and widespread commercial service is not expected before 2003.

The target data rate is achievable, but only under optimal conditions.

Perhaps most important, not every country handed over the ITU’s re-

quested frequencies. Europe and many Asian countries did, but the U.S. has

made no spectrum at all available for IMT-2000. The technology is still rel-

evant to American operators, who will deploy it in place of their existing

networks, but the lack of new bandwidth may entrench the U.S.’s backward

position in mobile communications.

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