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未来移动通信正朝着高容量、超宽带、绿色等方向发展,而大规模多输入多输出系统(Masive Multiple Input Multiple Output)因其具有高容量、高频谱效率、高能效等特点,被当做未来移动通信系统关键技术之一。本文简单首先阐述了大规模MIMO技术的发展以及特点,然后重点讨论了其关键技术,包括信道测量与建模、信道状态信息获取、技术融合,阐述了研究进展、优势以及新的挑战。
In the future, mobile communications are moving towards high-capacity, ultra-wideband and green sectors. The Masive Multiple Input Multiple Output is considered as the future due to its high capacity, high spectral efficiency and energy efficiency One of the key technologies of mobile communication system. This paper briefly describes the development and characteristics of large-scale MIMO technology, and then focuses on its key technologies, including channel measurement and modeling, channel state information acquisition, technology integration, described the research progress, advantages and new challenges.