Multi-carrier transmission technology-Orthogonal Frequency Division Multiplexing (OFDM), as the core technology of beyond 3g, has the characteristic of high data rate.
而多载波传输技术-正交频分复用(OFDM)，作为后三代移动通信的核心技术，则具有高数据速率传输的特点。
Due to its high spectrum utilization and good capability of preventing muti - path interference, OFDM is regarded as the core technology in Beyond 3g mobile communication system.
OFDM技术以其高的频谱利用率和良好的抗多径干扰能力，被看作是3G以后移动通信的主流技术。
Yahoo Messenger, however, would go a significant step beyond FaceTime, offering video chat over 3G and between any capable platform.
而雅虎通将比FaceTime迈出更重要的一步，它将为任何能具有3G功能的平台之间通过3G网络提供视频聊天服务。
So the two technologies become key ones for high data rate, performance and capaticity in 3G mobile communication systems and beyond.
目前，这两种技术已经成为第三代以及未来移动通信系统实现高速率、高传输质量、高系统容量的关键技术之一。
So the two technologies become key ones for high data rate, performance and capaticity in 3G mobile communication systems and beyond.
目前，这两种技术已经成为第三代以及未来移动通信系统实现高速率、高传输质量、高系统容量的关键技术之一。
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