2023分布式超大规模MIMO技术研究报告

2023年12月 版权声明CopyrightNotification 未经书面许可禁止打印、复制及通过任何媒体传播 ©2023IMT-2030（6G）推进组版权所有 1.概述............................................................................................................................................5 1.1技术原理..................................................................................................................................51.2国内外研究现状......................................................................................................................5 2.应用场景、部署方式、网络架构............................................................................................6 2.1应用场景..................................................................................................................................62.2部署方式..................................................................................................................................82.3网络架构................................................................................................................................11 3.协同传输方案..........................................................................................................................14 3.1初始静态协作簇接入...........................................................................................................143.2动态协作簇构建....................................................................................................................173.3动态协作预编码....................................................................................................................233.4协作接收算法........................................................................................................................27 4.通道校准..................................................................................................................................27 4.1协作点间空口校准................................................................................................................284.2基于UE辅助的校准............................................................................................................30 5.时频同步..................................................................................................................................33 5.1时间同步................................................................................................................................335.2频率同步................................................................................................................................37 6.原型验证..................................................................................................................................39 7.总结及发展建议......................................................................................................................43 参考文献..........................................................................................................................................44 图目录 3图2.1高校、CBD等热点区域示图..............................................................................................6图2.2大中型场馆、交通枢纽等应用场景示图............................................................................6图2.3企业园区应用场景示图........................................................................................................7图2.4低空覆盖应用场景示图........................................................................................................7图2.5分布式超大规模MIMO星形部署方式示意图.................................................................8图2.6分布式超大规模MIMO环形部署方式示意图.................................................................9图2.7分布式超大规模MIMO星形环形结合部署方式示意图.................................................9图2.8分布式超大规模MIMO树形部署方式示意图...............................................................10图2.9基于A-ROF实现前传链路示意图.................................................................................10图2.10双层分布式超大规模MIMO网络架构示意图.............................................................12图2.11宏微组网分布式超大规模MIMO上下行服务节点解耦.............................................13图2.12上下行解耦网络架构的吞吐量性能增益........................................................................13图3.1动态协作协作点簇架构......................................................................................................14图3.2初始接入流程......................................................................................................................16图3.3协作SSB示意图.................................................................................................................17图3.4三层协作簇结构..................................................................................................................18图3.5协作簇测量..........................................................................................................................19图3.6异频测量示意图..................................................................................................................21图3.7同频测量示意图..................................................................................................................21图3.8 RSRP测量结果比较.....................................