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http://www.chinatelecom.com.cn/2018/ct5g/

目录

1 引言 ................................ ................................ ................................ ......................... 1

2 5G 需求及挑战 ................................ ................................ ................................ ....... 2

2.1 5G 业务发展需求 ................................ ................................ ..................... 2

2.2 5G 主要挑战 ................................ ................................ ............................. 3

3 中国电信 5G 目标网络架构 ................................ ................................ .................. 6

3.1 “三朵云”网络总体架构 ................................ ................................ ....... 6

3.2 控制云 ................................ ................................ ................................ ....... 6

3.3 接入云 ................................ ................................ ................................ ....... 7

3.4 转发云 ................................ ................................ ................................ ....... 8

4 中国电信 5G 网络演进策略 ................................ ................................ .................. 9

4.1 5G 网络是 CTNet2025CTNet2025 CTNet2025CTNet2025 网络重构的要组成部分 ................................ 9

4.2 总体演进原则及策略 ................................ ................................ ............. 10

5 5G 关键技术与组网方案 ................................ ................................ ..................... 13

5.1 NR 新空口技术 ................................ ................................ ...................... 13

5.2 大规模天线技术 ................................ ................................ ..................... 14

5.3 无线频率 ................................ ................................ ................................ . 15

5.4 无线网 CU/DUCU/DU 网络架构 ................................ ................................ ...... 15

5.5 5G 服务化架构及 能力开放 ................................ ................................ ... 16

5.6 4G/5G 互操作 ................................ ................................ ......................... 17

5.7 多网络融合 ................................ ................................ ............................. 19

5.8 多接入边缘计算 ................................ ................................ ..................... 19

5.9 网络切片 ................................ ................................ ................................ . 20

5.10 5G 承载网络 ................................ ................................ ........................... 21

5.11 5.11 人工智能技术 ................................ ................................ ......................... 25

6 总结与展望 ................................ ................................ ................................ ........... 26

缩略语 ................................ ................................ ................................ .......................... 27