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