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Next-generation Mobile Communications System 5G 5G

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Page 1: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Next-generation Mobile Communications System 5G

5G

Page 2: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

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

Page 3: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Communications in 2020 and beyond

Multiple personal devices

Transportation (Car/Bus/Train)

Consumer electronics

Watch/jewelry/ cloths

House Sensors Cloud computing

Video streaming

New types of terminal/HI

Healthcare Education

Safety and lifeline system

4K

Everything connected by wireless

Extended and enriched wireless services

Page 4: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

5G target performance 5G radio access will provide a total solution for a w ider 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 NW & terminals • Reduced NW costs, incl. backhaul

Higher system capacity

• RAN latency : < 1ms

• 1000x capacity/ km2

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

Page 5: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Time Plan for 5G and 5G+ 2014 2015 2016 2017 2018 2019 2020 202x

WRC15 WRC19

Rel. 13 Rel. 14 Rel. 15

5G launch

Requirements

Workshop Proposals Specifications

5G+ launch

Channel Model SI

Commercial system development for 5G in 2020

Rel. 16

Technology SI Requirement SI

WIs WIs

WIs

eLTE+5G New RAT

Page 6: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

5G Evolution for 2020 and beyond

2020 2025 2030

5G+ 5G

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

Freq.

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)

Page 7: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

eMBB and New Use Cases

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 use cases

5G will support both eMBB and MTC use cases together with LTE evolution

Page 8: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

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

(e.g. LTE-assisted access) 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

5G Key Technologies for 2020 Deployment

Page 9: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

5G Trials in DOCOMO with Global Vendors 5G experimental trials are being started since Q4 of 2014

Existing Frequency Bands Wideband Transmission Over Higher Frequency Bands

Frequency

Low SHF 3-6GHz

High SHF 6-30GHz

EHF > 30GHz

UHF Ex. 800MHz, 2GHz

New radio interface

concept and massive MIMO

Super-wideband single

carrier transmission

and beamforming

(and experiments below 6GHz)

Super-wideband

hybrid beamforming and beam tracking

Time-domain beamforming

with very large number of antennas

Coordinated scheduling for super

dense base stations

using RRH

Beamforming with channel reciprocity

and advanced multiple access

Multi-beam multiplexing

for vary large

number of antennas

5G handset chipsets to support various 5G

use cases

Enhanced MBB with small and low power

consumption 5G device

Radio propagation measurement in EHF

band

OTA test & measurement for

massive MIMO in high spectrum bands

Multi-frequency-band/RAT control and 5G system

solution

Experiments on 5G devices Experiments on 5G system solution

Experiments on 5G T&M instruments

Experiments on new radio access technologies

Page 10: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Experimental trials on DOCOMO proposed NOMA and channel sounder to explore higher frequency bands are also conducted

Existing bands Exploitation of higher frequency bands

Frequency

Low SHF bands 3-6GHz

High SHF bands 6-30GHz

EHF bands > 30GHz

UHF bands Ex. 800MHz, 2GHz

5G Experimental Trials

NOMA Channel sounder to explore

higher frequency bands

Page 11: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

5G Trial docomo x Ericsson (15 GHz)

Massive-MIMO antenna

BS Antenna Unit

UE #1

UE #2

Page 12: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

5G Trial docomo x Ericsson (15 GHz)

100m

120m

BS Antenna Unit

UE #1

UE #2

Page 13: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

5G Trial Ultra-wideband mmW System

....

UD AP

Beam visualization

server

Beamforming & tracking using 64 candidate beams

・AR Image data

Left and right cameras with HMD (Head Mount Display)

・Image data from cameras ・Position data from HMD

Beam visualization system using AR(developed by NTT DOCOMO)

5G millimeter-wave PoC system (collaboration with Nokia)

Real-time beam information is added

Feedback

Monitoring

Information of current beam ID

Best beam

You can “see” the 5G radio wave and how a highly directional and attenuated radio wave signal can follow the User Device

Center frequency: 73.5 GHz System bandwidth: 1 GHz

Throughput: more than 2 Gbps

Live demo

Page 14: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Distance property of the throughput (Street canyon/Shopping mall)

LOS and NLOS (Roppongi, Tokyo)

LOS (Minatomirai, Yokohama) 0 50 100 150 0

0.5

1

1.5

2

2.5

Distance from AP (m)

Thro

ughp

ut (G

bps)

Successfully Conducts 5G Trials @ 73 GHz in Actual-use Environments

AP

100 m

50 m

UD

AP

100 m 50 m 150 m

Street canyon

Shopping mall 0 50 100 150 0

0.5

1

1.5

2

2.5

Distance from AP (m)

Thro

ughp

ut (G

bps)

NLOS LOS

Page 15: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration
Page 16: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Dynamic virtual cell • Super high-dense deployments • Flexible cell/antenna configurations • Coordinated scheduling

Collaboration with Fujitsu

1 unit 3 units 6 units 8 units

Flexible configuration Dynamic virtual cell

Page 17: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

2 Rx antennas/UE 24 UEs

UE#24

UE#1

64 Tx antennas (8H x 4V x 2 (X-pol))

Large scale TDD Massive MIMO

Massive MIMO below 6 GHz • Beamforming exploiting TDD

channel reciprocity • Multi-user MIMO • Advanced waveform and multiple

access

Collaboration with Huawei

Page 18: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Massive MIMO @ 5GHz • Application to low SHF • Multi-beam multiplexing • Active Antenna System

Collaboration with NEC

64 antenna-element AAS

Antenna elements

Page 19: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Outdoor 5Gbps Indoor 10Gbps

New radio interface concept • New numerology for wider band and low latency • Ultra high data rate • Beamforming with massive antenna

Collaboration with Ericsson

Page 20: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Achieved more than 2 Gbps at moving speed of 60 km/h

Massive MIMO @ 28GHz • Ultra wideband • Beam-tracking at base station and user device

Collaboration with Samsung

Page 21: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Multi-beam multiplexing • Beamforming @ 44 GHz • Virtual Massive MIMO for

super high bit rate

Collaboration with Mitsubishi Electric

Page 22: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

mmW radio access @ 70GHz • For dense small cells and indoor/outdoor hotspot • Beam tracking for mobility • Ultra-wideband (1GHz)

Achieved over 2Gbps in outdoor trial

Collaboration with Nokia

Page 23: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Advanced multiple access • For further cellular enhancements • Power-domain user multiplexing • Advanced receiver (SIC)

Intentional Non-Orthogonality

f NOMA

f OFDMA(LTE) NOMA vs. OFDMA:

~60 % gain

OFDMA (LTE) NOMA

Non-Orthogonal Multiple Access (NOMA)

Page 24: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

Features of channel sounder • Mu MIMO measurement • Tx signal: OFDM signal with 50 MHz band width • # of Tx antennas (or UEs): 2 • Rx antenna: Massive array antenna with 256 elements

12.3cm

12.3

cm

Ant. Element

7mm

Rx antenna

伸縮式アンテナポール: 最大10m

Measurement car (Base station side)

Control & Data collection units

Channel Sounding at 20 GHz Band

Page 25: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration

LTE/5G based Advanced Driver Assistance and Automated Driving Systems • Driving assistance for merge points in the highway • Collision risk warning for urban intersections

Low latency and ultra reliable V2x services

Intelligent Transport Systems (ITS)

application server !

Warning! Base station

Hidden vehicle

Collaboration with DENSO

Page 26: 5G Next-generation Mobile Communications System 5G · PDF file1980s 1990s 2000s 2010s 2020s. 1G . Analog . 3G ... 5G radio access will provide a total solution for a ... Collaboration