Next-generation Mobile Communications System: 5G

Evolution of Mobile Technology

1980s 1990s 2000s 2010s 2020s

1G Analog

3G IMT-2000

4G IMT-Advanced LTE-Advanced

5G

2G Digital

LTE

IMT-Advanced LTE-Advanced

IMT-2000

Steady evolution toward higher capacity

and data rates

Communications in 2020 and Beyond

Multiple personal devices

Transportation (Car/Bus/Train)

Consumer electronics

Watches/ jewelry/clothes

Houses Sensors Cloud computing

Video streaming

New types of terminals/HI

Healthcare Education

Safety and lifeline systems

4K

Everything connected by wireless

Extended and enriched wireless services

5G Target Performance 5G radio access will provide a total solution for a wider range of requirements in 2020 and beyond

Higher data rate Reduced latency

Massive device connectivity

Energy savings & cost reductions

• 100x more connected devices (e.g., crowded areas, M2M services)

• Energy savings for networks & terminals • Reduced network costs, incl. backhaul

Higher system capacity

• RAN latency: < 1ms

• 1000x capacity/km2

5G • Typical data rate: 100x faster (Peak data rate: > 10Gbps)

2014 2015 2016 2017 2018 2019 2020 202x

Schedule for 5G and 5G+

WRC15 WRC19

Rel. 13 Rel. 14 Rel. 15

5G launch

Requirements

Workshop Proposals Specifications

5G+ launch

Channel Model SI

Commercial system development for 5G by 2020

Rel. 16

Technology SI Requirement SI

WIs WIs

WIs

eLTE+5G New RAT

5G Evolution for 2020 and Beyond

2020 2025 2030

5G+ 5G

5G will evolve by incorporating new frequency bands and technologies in 2020 and beyond Future compatibility is key for system design to continue evolutions

Frequency

More higher & wider freq. bands

More advanced technologies （e.g., Massive MIMO with higher

number of antenna elements）

Peak: Several Gbps Peak: Above 10Gbps

・ Existing frequency bands ・ New bands licensed by 2019 ・ Unlicensed bands

Introduction of 5G New RAT

+New bands licensed after 2020 (Tight interworking with LTE)

eMBB and New Uses 5G will support both eMBB and MTC uses

together with LTE evolution

5G in 2020 5G+ in 202X

eMBB

Massive MTC

Critical MTC

eLTE New RAT

eMBB

Massive MTC

Critical MTC

eLTE New RAT

Low latency

New RAT will mainly focus on eMBB

New RAT will be enhanced for all uses

5G Key Technologies for 2020 Deployment New RAT

Massive MIMO/ beamforming

Cell range extension

Improved spectral efficiency

Well localized waveform

Frequency

Time

New numerology with shorter TTI Wider bandwidth and

low latency

LTE

New RAT

f

t

Lean radio frame Less inter-cell interference,

energy saving, good forward compatibility

5G 5G 5G 5G 5G

5G 5G + 5G 5G

++ 5G +

5G (2020)

5G (202X)

Tight LTE integration

Flexible duplex with unlicensed spectrum

Licensed Band (LTE)

Unlicensed Band

(New RAT)

f

C/U-plane split (dual connectivity, CA)

eLTE/new RAT (C/U-plane)

New RAT (U-plane)

NOMA on LTE Further cellular

enhancement with massive connectivity

Intentional non-orthogonality

f NOMA

f OMA

IoT-related LTE enhancements

Low-cost & long-battery-life devices

(e.g. LTE-assisted access)

shared resources

Virtualization layer

・・・

Slices configured dynamically according to services

Future Core Network Network Slices accommodate versatile services,

enabling a single network to fulfill diverse requirements.

Smart meters Smart agriculture

Slice

Manager

LTE/LTE-A

5G

Non-cellular (Wi-Fi, LoRa, etc.)

Slice 1 (M2M)

Factory automation

ITS

Slice 2 (Low latency)

Results of 5G Trials

5G Experimental Trials (with 13 vendors) 5G experimental trials under way since Q4 of 2014

UHF bands Ex. 800MHz, 2GHz

Frequency

Low SHF bands 3-6GHz

High SHF bands 6-30GHz

EHF bands > 30GHz

Existing bands Exploitation of higher frequency bands

Key devices & chipset vendors

Measuring instrument vendors

System solution vendors

Massive-MIMO antenna

BS Antenna Unit

UE #1

UE #2

Ericsson’s 15GHz MU-MIMO Experiment

100m

120m

BS Antenna Unit

UE #1

UE #2

Ericsson’s 15GHz Beamforming Experiment

100 m 300 m 500 m

Base Station (BS)

antenna units

Mobile station

(MS)

BS MS

(40 km/h)

Ericsson’s 15GHz Beamforming Experiment

◎ Mobile station with 8 antenna elements mounted inside a 120mm x 60mm (smartphone-size) box

◎ MIMO multiplexing of 2 streams with 64QAM achieved 3.77Gbps by employing beamforming at both the base and mobile stations

ビーム追従 Beam tracking control

Moving at nearly 150km/h

Supported by: NTT Access Network Service Systems Laboratories

and DOCOMO Team Dandelion Racing

8 antenna elements

120mm

42 mm

56 m

m

Samsung’s 28GHz Beam Tracking Experiment

Mobile station

Base station

48 (8x6) elements

Beam tracking achieved max. 2.59Gbps at speeds of nearly 150km/h

Samsung’s 28GHz Beam Tracking Experiment

NEC’s 5.2GHz Experiments Indoor experiment

0

1

2

3

4

5

6

7

8

0 5 10 15 20 25 30Average SNR (dB)

Tota

l th

roughput

(Gbps)

No. of beams: 48

No. of beams: 32

BS antenna: 64 UE antenna: 2 No. of UEs: 8

MS Pole BS (AAS)

Measurement example

Outdoor experiment

AASx1

MS

Radio propagation experiments have been performed in indoor and outdoor environments to analyze channel response and angle of arrival/departure By using measured propagation

channel data, simulations showed that proposed digital beamforming algorithms can achieve over 5 Gbps throughput for a total of 8 users

Fujitsu’s 4.6GHz YRP Outdoor Experiment Thanks to flexible small-size antenna units, distributed deployments were compared with localized deployments in real-life experiments

Localizeddeployment

8 UEs, 1antenna/UE

Distributeddeployment

Distributeddeployment

Experimental results show that distributed deployment (4 antennas/TP x 4TPs) can achieve higher channel capacity with stability compared to localized deployment (16 antennas/TP x 1TP)

Huawei’s 4.6GHz System Trial in Yokohama

Yokohama Media Tower (base station)

Yokohama Media Tower

Yokohama Media Tower NLOS

Huawei‘s 4.6GHz Experiment in 5G Testbed

Indoor facility

Optical fiber

Base band unit

Base Station (BS) User Equipment (UE)

Test vehicle

RF/BBU

8 TRx

E-cart (including 2 UEs)

Number of antennas

BS: 64 TRX UE: 8 TRX 2 TRX

Antenna spacing

BS: 3.72cm x 5.21cm UE： 11cm

Antenna tilting

16.4°

Antenna height

BS: 108m UE: 3.2m

Maximum transmit power

BS: 46dBm UE: 23dBm

DL SU-MIMO (1s average) = 1.5 Gbps (200MHz BW, 3 layers)

DL total user throughput (1s average) = 11.29 Gbps (200MHz BW and 23 UEs*)

DL peak spectral efficiency (1s average) = 79.82 bps/Hz/cell

* Number of connected UEs: 23 UEs / 200MHz (11 UEs using lower 100MHz, 11 UEs using upper 100MHz, & 1 UE using 200MHz) * Number of spatial layers: 24 layers / 100MHz (12 user & 2 layers/user）

Huawei‘s 4.6GHz Large-scale MU-MIMO

NOKIA‘s 4.5GHz MU-MIMO experiment

2

0 1

3

4

Open House

(85.4m)

• Outdoor environment

– Outdoor to Indoor more than 1.2 Gbps

(BS: 6th Floor of YRP 2nd building; UE：Annnex-R)

– Outdoor LOS environment more than 500Mbps

(BS: YRP parking, UE： Up to 160m from YRP parking lot)

The transmission of ultra-high-resolution 8K video was achieved by combining an experimental system developed by DOCOMO and Nokia with H.265/HEVC encoding techniques developed by NTT Media Intelligence Laboratories. In the trial, 8K video (145Mbps) was successfully transmitted.

Base station

8K encoder

8K server

8K Display

Mobile station #1

8K decoder

Base station Mobile station

NOKIA's 70GHz 8K Transmission experiment

5G Beam Visualizer for Multi-vendors Real-time beam information from 5G multi-vender trial system added to HMD camera images

5G Beam Visualizer for Multi-vendors (video)

5G Beam Visualizer: Multi-vendor, Multi-frequency Version

5G Trial Sites

Schedule for 5G Deployment in 2020 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023

Standardization

Research

NTT DOCOMO Trials

NTT DOCOMO Commercial

System Development 5G commercial

launch Upgrade to 5G+

5G commercial system development

Rel. 13 Rel. 14 Rel. 15 Rel. 16

Requirements Proposals Specifications

WRC15 WRC19

5G National Project in Japan

5GMF PoC Trials

Technical SI WIs WIs

Trials for 5G key technologies

EU Projects

System Trials in Tokyo 5G Trial Sites

NTT DOCOMO 5G Trial Sites Mainly Odaiba waterfront and Tokyo SKYTREE TOWN districts of Tokyo from May 2017

Tokyo SKYTREE TOWN

Odaiba waterfront DOCOMO cloud services are available via LTE network even outside of 5G area

Users can experience 5G’s higher performance, higher data rate and lower latency

LTE cell

5G cell

DOCOMO cloud services

Connect to LTE cells outside 5G area

Connect to 5G cells in 5G area

Support mobility between 5G cells

Support mobility between LTE and 5G

• Support mobility between 5G and commercial LTE networks • Utilize 28 GHz and 4.5 GHz frequency bands

Tokyo SKYTREE TOWN Area Trial will be conducted in/around commercial facilities of Tokyo SKYTREE TOWN and nearby Asakusa, and in trains/buses in the area.

Asakusa

Tokyo SKYTREE TOWN

DOCOMO will collaborate

with partner companies to

demonstrate the following:

VR applications

High-definition services

And more …

Odaiba Waterfront Utilizing wide area, PoC on coverage, high mobility and connected car aspects will be addressed in this area

Remote control for emergencies during autonomous driving

Connected car control

Support for autonomous driving

High presence public viewing