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[LTE] 华为LTE MIMO特性 [复制链接]

Rank: 9Rank: 9

发表于 2015-2-15 11:39:31 |显示全部楼层
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目 录


1 文档介绍 ..................................................................................................................................... 1-1


1.1 范围 ............................................................................................................................................. 1-1


1.2 目标读者 ...................................................................................................................................... 1-1


1.3 变更信息 ...................................................................................................................................... 1-1


2 MIMO 概述 .................................................................................................................................. 2-1


2.1 MIMO 的定义 ................................................................................................................................ 2-1


2.2 MIMO 的增益 ................................................................................................................................ 2-1


2.3 MIMO 技术分类 ............................................................................................................................. 2-2


2.4 MIMO 特性和MIMO 技术对应关系 ............................................................................................... 2-3


3 多天线接收 ................................................................................................................................. 3-1


3.1 多天线接收概述 ............................................................................................................................ 3-1


3.2 接收分集模式 ............................................................................................................................... 3-1


3.2.1 接收分集原理 ....................................................................................................................... 3-1


3.2.2 接收合并............................................................................................................................... 3-2


3.3 多用户虚拟MIMO 模式 ................................................................................................................. 3-5


3.3.1 多用户虚拟MIMO 原理 ........................................................................................................ 3-5


3.3.2 多用户虚拟MIMO 的接收合并 ............................................................................................. 3-6


3.3.3 多用户虚拟MIMO 的用户配对 ............................................................................................. 3-6


3.4 自适应方案切换 ............................................................................................................................ 3-7


4 多天线发射 ................................................................................................................................. 4-1


4.1 多天线发射概述 ............................................................................................................................ 4-1


4.2 发射分集 ...................................................................................................................................... 4-2


4.2.1 开环发射分集 ....................................................................................................................... 4-2


4.2.2 闭环发射分集 ....................................................................................................................... 4-3


4.3 空间复用 ...................................................................................................................................... 4-3


4.3.1 空间复用原理 ....................................................................................................................... 4-3


4.3.2 开环空间复用 ....................................................................................................................... 4-7


4.3.3 闭环空间复用 ....................................................................................................................... 4-7


4.4 多天线发射工作模式 ..................................................................................................................... 4-8


4.4.2 固定配置传输模式 ................................................................................................................ 4-8


4.4.3 自适应配置传输模式 ............................................................................................................ 4-9


5 相关特性 ..................................................................................................................................... 5-1


5.1 LBFD-00202001 UL 2-Antenna Receive Diversity ........................................................................ 5-1


5.2 LOFD-001005 UL 4-Antenna Receive Diversity ........................................................................... 5-1


5.3 LOFD-001012 UL Interference Rejection Combining ................................................................... 5-1


5.4 LOFD-001002 UL 2x2 MU-MIMO.................................................................................................. 5-1


eRAN


MIMO 目 录


文档版本 06 (2013-05-20) 华为专有和保密信息


版权所有 © 华为技术有限公司


iii


5.5 LOFD-001058 UL 2x4 MU-MIMO.................................................................................................. 5-2


5.6 LOFD-001001 DL 2x2 MIMO ........................................................................................................ 5-3


5.7 LOFD-001003 DL 4x2 MIMO ........................................................................................................ 5-3


5.8 LOFD-001060 DL 4x4 MIMO ........................................................................................................ 5-4


6 对网络的影响 .............................................................................................................................. 6-1


6.1 LBFD-00202001 UL 2-Antenna Receive Diversity ........................................................................ 6-1


6.2 LOFD-001005 UL 4-Antenna Receive Diversity ........................................................................... 6-1


6.3 LOFD-001012 UL Interference Rejection Combining ................................................................... 6-1


6.4 LOFD-001002 UL 2x2 MU-MIMO.................................................................................................. 6-1


6.5 LOFD-001058 UL 2x4 MU-MIMO.................................................................................................. 6-2


6.6 LOFD-001001 DL 2x2 MIMO ........................................................................................................ 6-2


6.7 LOFD-001003 DL 4x2 MIMO ........................................................................................................ 6-2


6.8 LOFD-001060 DL 4x4 MIMO ........................................................................................................ 6-3


7 工程指导(多天线接收-接收分集) ......................................................................................... 7-1


7.1 开通多天线接收分集的建议 .......................................................................................................... 7-1


7.2 部署多天线接收分集前信息搜集 ................................................................................................... 7-1


7.3 部署多天线接收分集的网络规划 ................................................................................................... 7-2


7.4 部署多天线接收分集 ..................................................................................................................... 7-2


7.4.1 部署多天线接收分集的要求.................................................................................................. 7-2


7.4.2 部署多天线接收分集的数据准备 .......................................................................................... 7-3


7.4.3 部署多天线接收分集的注意事项 .......................................................................................... 7-5


7.4.4 安装多天线接收分集的相关硬件 .......................................................................................... 7-6


7.4.5 激活多天线接收分集 ............................................................................................................ 7-7


7.4.6 开通观测多天线接收分集 ..................................................................................................... 7-9


7.4.7 调整多天线接收分集 ............................................................................................................ 7-9


7.5 维护多天线接收分集 ................................................................................................................... 7-10


7.5.1 监控多天线接收分集 .......................................................................................................... 7-10


7.5.2 优化多天线接收分集参数 ................................................................................................... 7-10


7.5.3 处理多天线接收分集故障 ................................................................................................... 7-10


8 工程指导(多天线接收-多用户虚拟MIMO) ......................................................................... 8-1


8.1 开通多用户虚拟MIMO 的建议 ...................................................................................................... 8-1


8.2 部署多用户虚拟MIMO 前信息搜集 ............................................................................................... 8-1


8.3 部署多用户虚拟MIMO 的网络规划 ............................................................................................... 8-1


8.4 部署多用户虚拟MIMO .................................................................................................................. 8-1


8.4.1 部署多用户虚拟MIMO 的要求 ............................................................................................. 8-1


8.4.2 部署多用户虚拟MIMO 的数据准备 ...................................................................................... 8-2


8.4.3 部署多用户虚拟MIMO 注意事项 ......................................................................................... 8-3


8.4.4 安装部署多用户虚拟MIMO 的硬件 ...................................................................................... 8-3


8.4.5 激活多用户虚拟MIMO ......................................................................................................... 8-3


eRAN


MIMO 目 录


文档版本 06 (2013-05-20) 华为专有和保密信息


版权所有 © 华为技术有限公司


iv


8.4.6 开通观测多用户虚拟MIMO .................................................................................................. 8-4


8.4.7 调整多用户虚拟MIMO ......................................................................................................... 8-4


8.5 维护多用户虚拟MIMO .................................................................................................................. 8-4


8.5.1 监控多用户虚拟MIMO ......................................................................................................... 8-4


8.5.2 优化多用户虚拟MIMO 参数 ................................................................................................. 8-4


8.5.3 处理多用户虚拟MIMO 故障 ................................................................................................. 8-5


9 工程指导(多天线发射) .......................................................................................................... 9-1


9.1 开通多天线发射的建议 ................................................................................................................. 9-1


9.2 部署多天线发射前信息搜集 .......................................................................................................... 9-1


9.3 部署多天线发射的网络规划 .......................................................................................................... 9-2


9.4 部署多天线发射 ............................................................................................................................ 9-3


9.4.1 部署多天线发射的要求 ......................................................................................................... 9-3


9.4.2 部署多天线发射的数据准备.................................................................................................. 9-4


9.4.3 部署多天线发射的注意事项.................................................................................................. 9-8


9.4.4 安装部署多天线发射的相关硬件 .......................................................................................... 9-8


9.4.5 激活多天线发射 .................................................................................................................... 9-9


9.4.6 开通观测多天线发射 .......................................................................................................... 9-13


9.4.7 调整多天线发射 .................................................................................................................. 9-21


9.4.8 MML 配置 ............................................................................................................................ 9-22


9.4.9 CME 批量配置 .................................................................................................................... 9-22


9.5 维护多天线发射 .......................................................................................................................... 9-23


9.5.1 监控多天线发射 .................................................................................................................. 9-23


9.5.2 优化多天线发射参数 .......................................................................................................... 9-24


9.5.3 处理多天线发射故障 .......................................................................................................... 9-24


10 参数 ......................................................................................................................................... 10-1


11 性能指标 ................................................................................................................................. 11-1


12 术语 ......................................................................................................................................... 12-1


13 参考文档 ................................................................................................................................. 13-1



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