1
Daisy Zhu
CMO of 5G, Huawei
2
5G R15 Finalized, a New Milestone for eMBB
R15 NSA R15 SA Release - 16
2018.06 2020~
4G
eNB
EPC
gNBeNB
EPC
5G NSA
gNB
gNB
5G SA
Option3x Option2
Release - 17
3
5G Builds on 4G and Expands its Potential
4G 5G
AAU/RRU
BBU
EPC
4G eNB protocol stack
PHY
MAC
RLC
PDCP
RRC
PHY
MAC
RLC
PDCP
Control plane User plane
*5G protocol stack only adds SDAP sub-layer to enhance QoS capability.
AAU/RRU
BBU
5G Core
5G gNB protocol stack
Control plane User plane
PHY
MAC
RLC
PDCP
RRC
PHY
MAC
RLC
PDCP
SDAP*
4
R15 NR Clean-slate Design Boosts eMBB
LTE R15 NR
Large
Bandwidth
New
Air Interface
Multiple
Antennas
• Sub6GHz
• 20MHz/Carrier
• OFDM/Turbo Code
• Fixed Numerology
Gradual Adaption
(2T2R -> 4T4R)
• Up to 52.6GHz
• 100MHz/Carrier @ C-band
• 400Mhz/Carrier @ mmWave
• F-OFDM/Polar/LDPC
• Flexible Numerology
Native Design
(64T64R..)
New UE 1T2R 2T4R
User Data Rate
Cell Throughput
5
5G Provides Better Security than 4G
E2E security
between PLMNs
SS7 like attacks
256-bit Algorithm
128-bit Algorithm
User plane
integrity protection
User Plane Alter Attack
Interconnection securitySecurity Algorithm Air interface ProtectionPrivacy Protection
User ID sent in clear
Encrypted
Permanent User ID
5G
4G
v.s v.s v.s
v.s
anti-alter
6
5G SA
5G Core Introduced Service Based Architecture
NEF NRF UDM PCF AF
AMF SMF
UPF
AUSF NSSF
SBA interface
gNB
5GC CP
DN
5GC UP
UE
MME
UE eNB
gNB
HSS PCRF
S/PGW DN
EPC
4G/5G NSA
7
Air Interface Enhancement
Radio & Architecture Enhancements for Future uRLLC Services
Core User plane and APP locates down between RAN &
Traditional core
3.5G not suitable for uRLLC, FDD spectrum required
• ~6ms (RTT)
UD D D D D D D S UNR
(30KHz, 8:2)
LTE
(15 KHz, 4:1)D D D S U
New Air technologies for uRLLC
• Short TTI
• EAI
• Grant freePHY
MAC
RLC
PDCP
RRC
Network Architecture Adjustment
CP
UP
CN
Site RegionalMetroLocal
CN
UP CN: Core Network
CP: Control Plane
UP: User Plane
< 5ms
MEC
< 20ms
APP
APP
8
5G M-MIMO Achieves xGbps Outdoor in Commercial Trial
Time (s)0
500
1000
1500
2000
2500
3000
3500
0 200 400 600 800 1000
Peak Rate @ 5G
Peak Rate @ LTE
LTE (20MHz)5G(100MHz)
DL THP (Mbps)
Hangzhou, May 20188
3.5GHz, 64T64R,100MHz
>1Gpbs
[0.7,1]
[0.5, 7]
<0.5Gbps
9
64T64R M-MIMO Ready for Large Commercial Deployment
Rooftop site Pole site
9
64T64R
M-MIMOSub3G
Antenna
End-to-End 5G Products Available in 2018
BBU CPECore Transport
5G E2E
Products
C-Band mmWave
10
THANK YOU