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面向5G的PDMA图样分割多址接入技术 被引量:20

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摘要 图样分割多址接入技术或简称图分多址(Pattern Division Multiple Access,PDMA)是电信科学技术研究院提出的一种新型的非正交多址接入技术,它基于多用户通信系统的收发联合优化,在发送端基于多个信号域(如功率域、空域、编码域)的非正交特征图样区分用户,在接收端基于用户图样的特征结构采用串行干扰抵消(Successive Interference Cancellation,SIC)方式可以实现准最优多用户检测接收。本文先分析PDMA技术的基本原理和技术框架,然后详述PDMA技术的发送端和接收端设计方案,再对PDMA技术进行仿真评估,充分证明了PDMA技术的优越性能和未来广阔的应用前景。
出处 《电信网技术》 2015年第5期43-47,共5页 Telecommunications Network Technology
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