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中文摘要：
提出了软件定义空口（SDAI）的设计理念和框架,认为通过SDAI可以对多个无线空口功能模块进行灵活编程配置,有效地满足不同场景需求,是未来5G空口设计的基本理念。基于SDAI统一框架,帧结构、新波形、新型多址、调制编码、双工模式和多天线技术等可以自适应配置,使得无线信号对业务场景＂量体裁衣＂。另外,基本功能模块的可编程性、可配置性和可共享性,都可有效地提升空口实现效率。
英文摘要：
In this paper, the design concept and framework of software defined air interface（SDAI） is proposed. And it also points that the multiple wireless air interface function module can be flexibly programmed and configured by SDAI, which effectively meet the needs of different scenarios. Under the unified framework, the frame structure, waveform, new multiple access, coding modulation, duplex mode,and antenna configuration can be adaptively configured. It provides a flexible composition of sets of radio technologies, and programmable and configurable functions and parameters tailored to the application scenarios. By this way, the efficiency of air interface can be greatly improved.
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