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
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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