5G总体白皮书2.0
摘要 ........................................................................................................................................................................... 1
1. 引言 .................................................................................................................................................................... 5
2. 5G 总体目标与框架 ........................................................................................................................................... 5
2.1 5G 总体需求 ................................................................................................................................................... 5
2.2 设计框架......................................................................................................................................................... 8
2.3 频谱策略......................................................................................................................................................... 9
2.4 测试需求........................................................................................................................................................11
3. 用户中心网络 UCN...........................................................................................................................................12
3.1 UCN 总体目标 ...............................................................................................................................................12
3.1.1. 端到端总体架构与目标 .....................................................................................................................12
3.1.2. 无线接入网总体目标 .........................................................................................................................13
3.2 无线接入网框架 ............................................................................................................................................14
3.2.1. 无线接入网重构 .................................................................................................................................15
3.2.2. 增强边缘 ............................................................................................................................................16
3.2.3. 核心网与接入网重分 .........................................................................................................................17
3.2.4. 网络切片即服务 .................................................................................................................................18
3.3 关键使能技术 ................................................................................................................................................18
3.3.1. UDN ...................................................................................................................................................18
3.3.2. C-RAN/NGFI.......................................................................................................................................20
3.3.3. SDN/NFV ............................................................................................................................................21
3.3.4. 灵活的网络切片 .................................................................................................................................24
3.3.5. 网络能力开放 .....................................................................................................................................27
3.3.6. 多连接与多空口 .................................................................................................................................29
3.3.7. D2D ....................................................................................................................................................31
3.3.8. 动态网络 ............................................................................................................................................33
4. 软件定义空口 SDAI ..........................................................................................................................................36
4.1 SDAI 总体目标 ..............................................................................................................................................36
4.2 SDAI 总体框架 ..............................................................................................................................................36
4.3 关键使能技术 ................................................................................................................................................38
4.3.1. 统一自适应帧结构 .............................................................................................................................38
4.3.2. 灵活双工 ............................................................................................................................................40
4.3.3. 灵活多址 ............................................................................................................................................41
4.3.4. 灵活波形 ............................................................................................................................................43
4.3.5. 大规模多天线 .....................................................................................................................................44
4.3.6. 新型调制编码 .....................................................................................................................................46
4.3.7. 灵活频谱使用 .....................................................................................................................................47
5. 5G 安全技术......................................................................................................................................................48
5.1 5G 安全架构 ..................................................................................................................................................48
5.2 终端安全技术 ................................................................................................................................................50
5.2.1. 安全需求 ............................................................................................................................................50
5.2.2. 关键技术 ............................................................................................................................................51
5.3 空口安全技术 ................................................................................................................................................53
5.3.1. 安全需求 ............................................................................................................................................53
5.3.2. 关键使能技术 .....................................................................................................................................54
5.4 数据处理和传输安全技术 .............................................................................................................................54
5.4.1. 安全需求 ............................................................................................................................................54
5.4.2. 关键技术 ............................................................................................................................................55
5.5 应用层安全技术 ............................................................................................................................................56
5.5.1. 安全需求 ............................................................................................................................................56
5.5.2. 关键技术 ............................................................................................................................................57
5.6 物理层安全技术 ............................................................................................................................................57
5.6.1. 安全需求 ............................................................................................................................................57
5.6.2. 关键使能技术 .....................................................................................................................................58
6. 5G 智能终端......................................................................................................................................................60
6.1 智能终端通信需求 ........................................................................................................................................61
6.2 智能终端通信能力 ........................................................................................................................................61
6.2.1. 个人信息中心 .....................................................................................................................................62
6.2.2. 可穿戴设备 ........................................................................................................................................63
6.2.3. 智能机器设备 .....................................................................................................................................64
6.2.4. 微型传感器 ........................................................................................................................................65
7. 总结 ...................................................................................................................................................................66
参考文献 ...................................................................................................................................................................67
缩略语 .......................................................................................................................................................................67
致谢 ..........................................................................................................................................................................69