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posted:1/3/2011
language:English
pages:2
Description: International Mobile Telecom System-2000, the third generation mobile communication system as early as 1985 by the International Telecommunication Union (ITU) proposed, then known as the future public land mobile telecommunications system (FPLMTS), 1996 was renamed as IMT-2000 (International Mobile Communications - 2000), which means that the system in the 2000MHz band, the maximum service speed of up to 2000kb / s, is expected to be commercially available in around 2000. Since 1997, the second generation of the great success of mobile communication system, the user's rapid growth and the limited system capacity and limited conflict between the business is becoming clear that the standardization of third generation mobile communication work in real terms since 1997 to enter stage.