In chapter 1, we introduce the key techniques of the beyond 3G mobil communications system.
本文第1章简要介绍后三代移动通信系统的关键技术。
参考来源 - 代数空时码的研究和仿真·2,447,543篇论文数据，部分数据来源于NoteExpress
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3 G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。
应用推荐