RESEARCH TRENDS AND
IMT BEYOND 2020
Johan Skold
Ericsson Research
wireless access generations
The foundation of
mobile telephony
Mobile telephony
for everyone
The foundation of
mobile broadband
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 2
Mobile broadband
For everyone
wireless access generations
The foundation of
mobile telephony
Mobile telephony
for everyone
The foundation of
mobile broadband
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 3
Mobile broadband
For everyone
The networked society
Interaction
Collaboration
Integrity
Learning
Trust
Socializing
Competence
Innovation
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 4
Future wireless access
Key challenges
Massive growth in
Massive growth in
Wide range of
Traffic Volume
Connected Devices
Requirements &
Characteristics
It is not only about
Bigger and better
Mobile broadband
Affordable and sustainable
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 5
•
Data rates
•
Latency
•
Reliability/availability
•
Device cost and
energy consumption
•
Security
•
.....
Key challenges
Massive growth in
Massive growth in
Wide range of
Traffic Volume
Connected Devices
Requirements &
Characteristics
Affordable and sustainable
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 6
•
Data rates
•
Latency
•
Reliability/availability
•
Device cost and
energy consumption
•
Security
•
.....
Future wireless Access – “5G”
A set of well-integrated wireless-access technologies
jointly enabling the long-term Networked Society
2010
2020
› Evolution of existing radio-access technologies
› New complementary radio-access technologies
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 7
2030
New technology components
needed in both cases
Future Wireless access
A set of integrated radio-access technologies
jointly enabling the long-term Networked Society
Multi-hop
communication
Device-to-device
communication and
Ultra-dense deployments
cooperative devices
Ultra-reliable
communication
Inter-vehicular / vehicular-to-road
communication
Machine
communication
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 8
Capillary
network
Data rates
Higher rata rates has been the “flying flag” for each technology step!
3G
HSPA
LTE
2 Mbps (indoor)
384 kbps (outdoor)
14 Mbps
100 Mbps
IMT/LTE
Advanced
1 Gbps
Future targets
› 10 Gbps in specific scenarios
› 100 Mbps generally available in urban/suburban scenarios
› High-quality (Mbps) connectivity essentially everywhere
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 9
?
Latency / reliability0
LTE radio-interface latency sufficient in most cases
Very low latency may be required by some ”new applications”
Traffic safety/control
Smart grid
Industrial application
“Tactile Internet”
Target for the future
Possibility for sub-ms latency with very high reliability
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 10
Traffic capacity
Area spectrum efficiency
Traffic capacity
[Mbps/km2]
Spectrum
efficiency
=
Available
spectrum

Network
density

Spectrum
efficiency
Available
spectrum
[Mbps/MHz/site]
Network density
[MHz]
[sites/km2]
› More spectrum – extending into higher bands including mm-wave band
› More dense networks – including more extensive antenna configurations
› Smart cooperation between network nodes
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 11
Air-interface evolution
Multi-antenna transmission/reception
Multi-site transmission/reception
Coordination
Multi-layer coordination
Interference suppression
Simultaneous transmission and reception,
network coding, …
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 12
Research for 5G
Making the extremes possible:
• Extreme user data-rates
• Extreme capacity and density
• Extreme mobility
• Extreme energy efficiency
• Extreme number of devices
• Extreme reliability
• Extremely low latency
• Extreme bandwidth
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 13
Target areas for research
Technologies for new and
specific use cases
Technologies for improved
mobile broadband:
• Machine-to-machine, proximity
service
• General enhancements for
“bigger and better” Mobile
Broadband
• Reaching the “extremes”: Ultralow latency, high reliability
applications, ultra-low power, etc.
• Higher bit rates, lower latency,
more traffic, higher density
“Disruptive” technology
components:
• Targets existing or new, possibly
revolutionary use cases
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 14
!
Examples of research AREAS
New use cases
MBB enhancements
of bit rates, capacity, …
Advanced antenna
techniques
Device-to-device
Ultra-reliable
Ultra-low latency
Ultra-dense
networks
mm-wave
communication
Low load communication
(“ultra-lean”)
Network flexibility
Enhancements of video,
broadcast, privacy etc.
Interference
cancellation
Improved MBB
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 15
Cognitive radio
THz communication
!
Simultaneous
Tx and Rx
“Disruptive”
Research initiatives globally
Some Examples
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 16
Spectrum implications
5G Capability evolution:
› Higher peak data rates
› More and denser traffic
› Ubiquitous and deeper coverage
New and evolved 5G use cases:
› Machine-type communications
› Ultra-reliable communications
› Etc. …
300 MHz
1 GHz
3 GHz
• Larger carrier bandwidths
DRIVERS
• More spectrum
• Spectrum at higher
frequencies
• Need to be identified at
WRC-18/19
10 GHz
30 GHz
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 17
100 GHz
METIS project
EU-funded research project on
future wireless communication
29 partners / 2500 man-month / 29 M€
Universities and research institutes
2012
WRC’12
First phase
Second phase (prel.)
Usage scenarios &
fundamental technology
More detailed concept
development
2013
2014
2015
2016
WRC’15
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 18
2017
2018
2019
WRC’19
2020
METIS – Objectives
1000x
10x - 100x
10x - 100x
5x
10x
higher mobile
data volumes
higher number of
connected devices
typical end-user
data rates
lower latency
longer battery life
for low-power devices
Develop a concept for future mobile and wireless communications system
that supports the connected information society
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 19
METIS – Defined Scenarios
Super real-time and reliable connections
Amazingly fast
(Very low latency)
(Very high data rate)
Best experience follows you
(Mobility)
Great service in a crowd
Ubiquitous things communicating
(Very dense crowds of users)
(Very low energy and cost. Massive number of devices)
Research trends and IMT beyond 2020 | Commercial in confidence | KI/EAB/TU Uen, Rev B | 2014-02-11 | Page 20