5G Promotion in China

Shen, Zukang

Head of Huawei Wireless Standards DepartmentOn behalf of the IMT-2020(5G) Promotion Group

WWRF 5G Huddle 2020New Delhi, India

Rel-16Rel-15 Rel-17

2017 2018 2019 2020 2021

。。。

• URLLC enh

• UE power saving

• mMIMO enhancement

• Positioning

Enhancements

New Features in R17

• Broadcasting

• Sidelink relay

• Multi SIM

• NR V2X

• IAB

• mmWave

• Grant free

• Small data enhancement

• Coverage enhancement

• NR IoT device types

• SBA enhancement

• Network Slicing

• Network automation

• MEC

2

3GPP 5G Standards

Structure of IMT-2020 (5G) Promotion Group

3

Test Equipment

……

Operators NW Vendors

……

Chipset & Terminal

……

Academia

……

IMT-2020 (5G) Promotion Group(Expert Committee)

ITUWG

NetworkWG

5G Transport

WG

5G TrialWG

C-V2XWG

5G AppWG

Spectrum WG

IPRWG

3GPPWG

5G Security

WG

5G AI WG

Established in 2013

Inter-operability Test

Accelerate 5G Eco-system through System Trials

2016 2017 20202018 2019

5G Tech. Trial

System IntegrationSolution EvaluationKey Features

• 5G technology trial started in early 2016. Phase 1 to 4.

• Phased 5G trials accelerate the maturity of NW equipment and terminals

Open and wide involvement

GlobalStandards

Multi-Vendor Vertical App

4

Phase 1: Key Features

• Carry out test and verification for 5G potential key technologies

• Promote the development of key technologies for performance enhancement

• Promote global unified technical standards

Massive MIMOHigh-rise

coverage

Distributed

antenna

Macro

coverage

Wireless backhaul

Pico coverage

(HetNet)Wired

backhaul

New Multiple Access

SCMA/PDMA/MUSA/NOMAf-OFDM/UF-OFDM/FB-

OFDM/FBMC

Conventional Voice/Data traffic Frequency

(subcarrier)

Time (TTI)

High mobility

traffic

Other traffic MTC traffic

New Waveform

Polar code, LDPC,…

Channel Coding UCNC High Frequency

Network Slicing MEC

SBA CU-DU split

RAN Core Network

5

Phase 2: Solution Evaluation

Throughput(LF) Latency ConnectionsThroughput(H

F)Traffic Density

>10Gbps <1ms 1 million/km2 >20Gbps >10Mbps/m2

ITU 5G Requirements

Throughput(LF) URLLC mMTC Throughput(HF)

8 端口

12UE

64 端口200MHz

Peak Throughput:11.78Gbps

Test tool

UE

BS

Latency：0.4ms Capacity:>1.5 million/km2

Peak Throughput: 21.8Gbps @800MHz

Traffic density

Traffic Density：45.1Mbps/m2

21.8

BS

UE

Fulfill ITU 5G Requirements

6

Phase 3: System Integration

• MTNet Lab + HuaiRou field Lab: 70+ base stations; comprehensive test laboratory

• 5G RF Conduction Test System and OTA Test System

• Spherical Near-Field Chamber for Massive MIMO and OTA testing

HUB

HUB

5G NR

EPC

数据业务服务器IMS

HUB

5GC

5G NR

数据业务服务器

IMSHUB

5GC

5G NR

5GC

HUB

数据业务服务器

IMS

HUB

5GC 5G NR

5G NR

HUB

3G/2G

5GC

3G/2GLTE

CNEPC

3G/2GLTE

CN

5G NR

EPC

LTE

CN

5GC

EPCCN

3G/2G

LTE

CAICT MTNet Lab (Indoor)Fields

7

Phase 3: System Integration Radio Interface

• 3.5GHz（3400-3600MHz）Frequency

• 100MHz (for eMBB)Bandwidth

• 30kHz OFDM subcarrier spacing (for eMBB）Subcarrier spacing

• Flexible frame structure

• 2.5ms switching period

Frame structure

• RRU: 64*64, UE: 4*2

• DL MIMO：SU 4 streams，MU 12 streams

• UL MIMO：SU 2 or 4 streams

• NSA scenario: UL NR 1 stream + LTE 1streamDL NR 4 streams + LTE 1 stream

MassiveMIMO

• Control Channel (BCH/DCI/UCI)：Polar code

• Data Channel (DL-SCH、UL-SCH)：LDPC codeCoding

• DL 256QAM

• UL 64QAM or 256QAMModulation

• Base Stations support both SA and NSA

• Chipset/Terminals support SA and NSA @ 3.5GHz and 4.9GHz

• Verification of radio interface, e.g. bandwidth, frame structure

8

NSA: LTE EPC Evolution

• User plane selection for NSA UEs

• NR related reporting and billing

• Identification of NSA capable UEs

• Additional QCI for NR service

SA: 5G New Core

• Service based Architecture

• Core Functions

Phase 3: System Integration Core Networks

• Network Slicing

• MEC

Ctrl. plane access to EPC-MME

4G EPC

9

Phase 4: Inter-operability Testing

2.6GHz（n41）

3.5GHz（n78）

10

4 Chipsets

2NW Arch.

2Bands

6 Vendors

SA NSA

Lab Test

Field Test

• NSA, SA• Frequency Band• Bandwidth• Frame Structure

• Throughput (SU, MU)• Latency (CP, UP)• Registration success rate• Initial access success rate

• RAN Protocol• BWP• Slicing• Throughput

• Call drop rate• HO success rate• Service continuation

Inter-Operability testing based on 3GPP R15 specifications

11

Phase 4: Inter-operability Testing

⚫ 3 DomainsSmart Life, Digital Governance, Smart Industry

⚫ 4 Common Apps4K/8K video, VR/AR, UAV, Robot

⚫ X Vertical IndustriesIndustrial Internet, Smart Grid, C-V2X, Smart Finance, Smart City, Medical & Health, Education, Entertainment ...

3+4+X Applications system for 5G

Accelerate the Maturity of 5G Applications

12

• Promote technology enhancements through global specifications

• Promote healthy 5G ecosystem

• Accelerate the maturity of 5G applications

Summary…

13

Thank You

Bring digital to every person, home, and

organization for a fully connected,

intelligent world.