TDD Paves the Way to 5G
XGP TDD Forum 2016 in Osaka
2016-11-29
Göran Berntson
Huawei
1ROADS to Networks of 2020

Real-time
On demand
All online
DIYSocial
2CloudxGbps

IoT

Big Data

Social Network

Artificial Intelligence

BYOD

VR/AR

Industry 4.0

Different Challenges and Gaps to Reach 5G
5G

Throughput Connections

Mobility

Network
Architecture

1 ms

10Gbps1,000K

500km/hSlicing

E2E
Latency

Per
Connection

Connections
Per Km2

High-speed
Railway

Ability
Required

GAP

30~50x

100x

100x

1.5x

NFV/SDNLTE
3Latency

30~50ms

100Mbps

10K

350Km/hInflexible

TDD Advantages Pave the Way to the Future
4.5G (TDD+) Prepared
Experience @High Freq BandKey Technologies:
Massive MIMO

Architecture:
CloudRAN

Vertical Markets

3.5GHz is the most popular
candidate 5G band @ sub-6GHz

Benefit existing TDD UEs
Hardware evolve to 5G

Benefit from D-MIMO withCloudRAN

Start incumbent newecosystem

Smooth 5G Evolution
4

New Air Interface

Huge amount of TDD Spectrum is a Gold Mine
33.25GHz
Candidate TDD Spectrum
After 2020

1540MHzTDD Spectrum
Released by 2020

Group 80GHz

200MHz@4.8GHz
100MHz@4.4GHz

Group 50GHz
400MHz@3.8GHz

400MHz@3.5GHz

Group 40GHz

100MHz@3.3GHz200MHz@2.6GHz

Group 30GHz

100MHz@2.3GHz
40MHz@1.9GHz

Sub-6GHz
5Above 6GHz

* source from GTI 2.0

Massive MIMO: Incredible 5x Capacity for Urban Hotspot

Traditional 4G

Resource shared between users

Shared broadcast beam for all users

6

Massive MIMO: Incredible 5x Capacity for Urban Hotspot
4.5G Massive MIMO

5x Capacity
4G Compatible
Massive MIMO

5G Evolution
Multiple user reuse same resource
User-specific beam for each user

7••Squares
Stadiums…

CBD skyscrapers••

Dense residentialUniversities••Stations
Shopping malls

TDD Beamforming + CloudRAN
Enable Elastic UCN (User Centric Network) Geographical Elastic
BS Centric Network

User Centric Network•

Dynamic user sensing & nodes selection•Resource sharing & coordination•Mutual help for single node breakdown

Time Elastic

User follow cells

Cells follow user
based on TDD beamforming

Idle

BusyJoint transmission
for best signal

8Spatial multiplex
for best capacity

TDD can Support 30% High-Speed IoT Market
Monitoring & Control
Video Monitoring•Bandwidth > 1Mbps

Artificial Intelligence…

•

High responsiveness

Vehicle Controlling

eMTC
Logistics
Advertisements
Wearables…

NB-IoT
NB-IOT: Not Applicable for TDD
Smart metering

Data collecting…
9•

50kbps ~ 1Mbps•Voice•Low speed videos•

Medium responsiveness•< 50kbps•

Low ARPU, Massive connections•

Deep coverage required•

Cost sensitiveness

0.2B
(5%)

0.8B
(25％)

2B
(70％)

SUMMARY: TDD Advantages Pave the Way to the Future
4.5G (TDD+) Prepared
Experience @High Freq BandKey Technologies:
Massive MIMO

Architecture:
CloudRAN

Vertical Markets

3.5GHz is the most popular
candidate 5G band @ sub-6GHz

Benefit existing TDD UEs
Hardware evolve to 5G

Benefit from D-MIMO withCloudRAN

Start incumbent newecosystem

Smooth 5G Evolution
10New Air Interface

4.5G the Step to MBB2020
•••

••
•

100Mbps~30+ms
10K connections

4G2009

4.5G
2012

R10MBB2020

2015

5G

R13

LTE-Advanced Pro
2020

1110Gbps
10ms
1000K connections

Reuse Infrastructure
Fostering Service & Eco-Sys

5G Tech into 4G

R8

•
•
•

1Gbps
10ms
100K connections

Thank you
Copyright©2016 Huawei Technologies Co., Ltd. All Rights Reserved.
The information in this document may contain predictive statements including, without limitation, statements regarding the future financialand operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results anddevelopments to differ materially from those expressed or implied in the predictive statements. Therefore, such information is provided forreference purpose only and constitutes neither an offer nor an acceptance. Huawei may change the information at any time without notice.