基于大规模MIMO 基本架构，探讨了信道建模和系统性能分析、信道状态信
息获取技术、多用户上下行无线传输技术等大规模MIMO 传输关键技术；认为利用
大规模阵列天线的多用户多输入多输出（MIMO）传输，将显著提升无线通信系统的
频谱效率及功率效率。(Based on the basic architecture of large-scale MIMO, channel modeling, system performance analysis and channel state information are discussed Information acquisition technology, multi-user upstream and downstream wireless transmission technology and other key technologies of large-scale MIMO transmission;Think that using Multi-user multi-input multi-output (MIMO) transmission of large-scale antenna arrays will significantly improve the performance of wireless communication systems Spectral efficiency and power efficiency.)