目 錄
1 文檔介紹 ..................................................................................................................................... 1-1
1.1 范圍 ............................................................................................................................................. 1-1
1.2 目標(biāo)讀者 ...................................................................................................................................... 1-1
1.3 變更信息 ...................................................................................................................................... 1-1
2 MIMO 概述 .................................................................................................................................. 2-1
2.1 MIMO 的定義 ................................................................................................................................ 2-1
2.2 MIMO 的增益 ................................................................................................................................ 2-1
2.3 MIMO 技術(shù)分類 ............................................................................................................................. 2-2
2.4 MIMO 特性和MIMO 技術(shù)對應(yīng)關(guān)系 ............................................................................................... 2-3
3 多天線接收 ................................................................................................................................. 3-1
3.1 多天線接收概述 ............................................................................................................................ 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 多用戶虛擬MIMO 模式 ................................................................................................................. 3-5
3.3.1 多用戶虛擬MIMO 原理 ........................................................................................................ 3-5
3.3.2 多用戶虛擬MIMO 的接收合并 ............................................................................................. 3-6
3.3.3 多用戶虛擬MIMO 的用戶配對 ............................................................................................. 3-6
3.4 自適應(yīng)方案切換 ............................................................................................................................ 3-7
4 多天線發(fā)射 ................................................................................................................................. 4-1
4.1 多天線發(fā)射概述 ............................................................................................................................ 4-1
4.2 發(fā)射分集 ...................................................................................................................................... 4-2
4.2.1 開環(huán)發(fā)射分集 ....................................................................................................................... 4-2
4.2.2 閉環(huán)發(fā)射分集 ....................................................................................................................... 4-3
4.3 空間復(fù)用 ...................................................................................................................................... 4-3
4.3.1 空間復(fù)用原理 ....................................................................................................................... 4-3
4.3.2 開環(huán)空間復(fù)用 ....................................................................................................................... 4-7
4.3.3 閉環(huán)空間復(fù)用 ....................................................................................................................... 4-7
4.4 多天線發(fā)射工作模式 ..................................................................................................................... 4-8
4.4.2 固定配置傳輸模式 ................................................................................................................ 4-8
4.4.3 自適應(yīng)配置傳輸模式 ............................................................................................................ 4-9
5 相關(guān)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 錄
文檔版本 06 (2013-05-20) 華為專有和保密信息
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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 對網(wǎng)絡(luò)的影響 .............................................................................................................................. 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 工程指導(dǎo)（多天線接收-接收分集） ......................................................................................... 7-1
7.1 開通多天線接收分集的建議 .......................................................................................................... 7-1
7.2 部署多天線接收分集前信息搜集 ................................................................................................... 7-1
7.3 部署多天線接收分集的網(wǎng)絡(luò)規(guī)劃 ................................................................................................... 7-2
7.4 部署多天線接收分集 ..................................................................................................................... 7-2
7.4.1 部署多天線接收分集的要求.................................................................................................. 7-2
7.4.2 部署多天線接收分集的數(shù)據(jù)準(zhǔn)備 .......................................................................................... 7-3
7.4.3 部署多天線接收分集的注意事項 .......................................................................................... 7-5
7.4.4 安裝多天線接收分集的相關(guān)硬件 .......................................................................................... 7-6
7.4.5 激活多天線接收分集 ............................................................................................................ 7-7
7.4.6 開通觀測多天線接收分集 ..................................................................................................... 7-9
7.4.7 調(diào)整多天線接收分集 ............................................................................................................ 7-9
7.5 維護(hù)多天線接收分集 ................................................................................................................... 7-10
7.5.1 監(jiān)控多天線接收分集 .......................................................................................................... 7-10
7.5.2 優(yōu)化多天線接收分集參數(shù) ................................................................................................... 7-10
7.5.3 處理多天線接收分集故障 ................................................................................................... 7-10
8 工程指導(dǎo)（多天線接收-多用戶虛擬MIMO） ......................................................................... 8-1
8.1 開通多用戶虛擬MIMO 的建議 ...................................................................................................... 8-1
8.2 部署多用戶虛擬MIMO 前信息搜集 ............................................................................................... 8-1
8.3 部署多用戶虛擬MIMO 的網(wǎng)絡(luò)規(guī)劃 ............................................................................................... 8-1
8.4 部署多用戶虛擬MIMO .................................................................................................................. 8-1
8.4.1 部署多用戶虛擬MIMO 的要求 ............................................................................................. 8-1
8.4.2 部署多用戶虛擬MIMO 的數(shù)據(jù)準(zhǔn)備 ...................................................................................... 8-2
8.4.3 部署多用戶虛擬MIMO 注意事項 ......................................................................................... 8-3
8.4.4 安裝部署多用戶虛擬MIMO 的硬件 ...................................................................................... 8-3
8.4.5 激活多用戶虛擬MIMO ......................................................................................................... 8-3
eRAN
MIMO 目 錄
文檔版本 06 (2013-05-20) 華為專有和保密信息
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iv
8.4.6 開通觀測多用戶虛擬MIMO .................................................................................................. 8-4
8.4.7 調(diào)整多用戶虛擬MIMO ......................................................................................................... 8-4
8.5 維護(hù)多用戶虛擬MIMO .................................................................................................................. 8-4
8.5.1 監(jiān)控多用戶虛擬MIMO ......................................................................................................... 8-4
8.5.2 優(yōu)化多用戶虛擬MIMO 參數(shù) ................................................................................................. 8-4
8.5.3 處理多用戶虛擬MIMO 故障 ................................................................................................. 8-5
9 工程指導(dǎo)（多天線發(fā)射） .......................................................................................................... 9-1
9.1 開通多天線發(fā)射的建議 ................................................................................................................. 9-1
9.2 部署多天線發(fā)射前信息搜集 .......................................................................................................... 9-1
9.3 部署多天線發(fā)射的網(wǎng)絡(luò)規(guī)劃 .......................................................................................................... 9-2
9.4 部署多天線發(fā)射 ............................................................................................................................ 9-3
9.4.1 部署多天線發(fā)射的要求 ......................................................................................................... 9-3
9.4.2 部署多天線發(fā)射的數(shù)據(jù)準(zhǔn)備.................................................................................................. 9-4
9.4.3 部署多天線發(fā)射的注意事項.................................................................................................. 9-8
9.4.4 安裝部署多天線發(fā)射的相關(guān)硬件 .......................................................................................... 9-8
9.4.5 激活多天線發(fā)射 .................................................................................................................... 9-9
9.4.6 開通觀測多天線發(fā)射 .......................................................................................................... 9-13
9.4.7 調(diào)整多天線發(fā)射 .................................................................................................................. 9-21
9.4.8 MML 配置 ............................................................................................................................ 9-22
9.4.9 CME 批量配置 .................................................................................................................... 9-22
9.5 維護(hù)多天線發(fā)射 .......................................................................................................................... 9-23
9.5.1 監(jiān)控多天線發(fā)射 .................................................................................................................. 9-23
9.5.2 優(yōu)化多天線發(fā)射參數(shù) .......................................................................................................... 9-24
9.5.3 處理多天線發(fā)射故障 .......................................................................................................... 9-24
10 參數(shù) ......................................................................................................................................... 10-1
11 性能指標(biāo) ................................................................................................................................. 11-1
12 術(shù)語 ......................................................................................................................................... 12-1
13 參考文檔 ................................................................................................................................. 13-1