5G
TODO:
把
- Qualcomm Future of 5G Building a unified, more capable 5G air interface for the next decade and beyond
- The-5G-Guide_GSMA_2019_04_29_compressed.pdf
中关于5G技术内容整理过来
关于5G更多细节,详见:5G技术概述
- 5G
- =
fifth generation
3GPP
组织制定的标准- 概述
- 频段范围
FR1
=Frequency Range 1
- 包括 sub-6 GHz
FR2
=Frequency Range 2
- 包括了
mmWave
=mm-wave
的24–100GHz
- 包括了
- 2G到5G频谱对比
- 相关技术
- Massive MIMO
- Massive MIMO
- 架构
- 总体架构
- Reference Point Architecture of 5G Core Network
- Service-based Architecture of 5G Core Network
- Reference Point Architecture of 5G Core Network
- 细节
- Policy Control Mechanism in 5G Core Network
- Policy Control Mechanism in 5G Core Network
- 总体架构
- 核心元素=核心功能(function)
- 包含
AMF
=Access and Mobility Management function
SMF
=Session Management function
UPF
=User plane function
PCF
=Policy Control Function
AUSF
=Authentication Server Function
UDM
=Unified Data Management
AF
=Application Function
NEF
=Network Exposure function
NRF
=NF Repository function
NSSF
=Network Slice Selection Function
- Classification of 5G Core Networks
- 包含
- =
4G vs 5G
- 4G和5G技术参数对比
Technology | Data Rates | Latency | Mobility Support | Spectrum Efficiency | Users Density | Energy Efficiency |
---|---|---|---|---|---|---|
5G (NR) | Avg 100 Mb/s Peak 20 Gb/s |
~ 1 ms | >500 Km/h | x3 Better DL- 30 bits/Hz UL- 15bits/Hz |
1000K/Km2 | x100 Better |
4G (LTE) | Avg 25 Mb/s Peak 300 Mb/s |
~10- 50 ms | <=350 Km/h | DL – 6 bits/Hz UL- 4 Bits/Hz |
~ 2K/Km2 | Moderate |
- 4G和5G核心网络功能演化对比
- Comparison of 4G Core Network and 5G Core Network
- Transformation of 4G Core Network Functions to 5G Core Network Functions
- 具体细节
- Transformation of MME into AMF&UDM
- Transformation of MME into AMF&UDM
- 具体细节
- Comparison of 4G Core Network and 5G Core Network
5G应用
- 应用
- 概览
- 概览
5G标准版本历史
- 5G标准版本历史
- 图
- THE 3GPP ROADMAP FOR RELEASE 15 AND 16
- THE 3GPP ROADMAP FOR RELEASE 15 AND 16
- 文字
- 2015年:开始研究
- 2017年:第一次发布 5G NSA
- 2018年:3GPP
Release 15
=5Gphase 1
eMBB
=Enhanced Mobile Broadband
URLLC
=Ultra-Reliable and Low Latency Communication
- 2020年6月:3GPP
Release 16
=5Gphase 2
mMTC
=massive Machine Type Communication
V2V
=Vehicle to Vehicle
- 预计2021年:
Release 17
- 图