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SUMO
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KB Term:
Network4G
Sigma KEE - Network4G
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4G
4G是第四代宽频行动通信技术,超越3G。 一个4G系统必须提供由ITU定义在进阶IMT的能力,IP通信,游戏服务,高解析行动电视,视讯会议,和3D电视。在2009年三月, 国际电信联盟无线电通信部门(ITU-R)订出一套对于4G标准的要求,命名为国际行动通讯进阶规格(IMT-Advanced), 设定对于4G服务尖峰速率要求在每秒100兆位元(Mbit / s)(=每秒12.5兆字节)对于高行动通讯 (例如从火车和车子上)和每秒1千兆位元速率对于低行动性通讯(例如路上行人和非移动的使用者。(资料转载由维基百科)
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cellular 行動網路
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