commtech talks: journey to 5g: trends and scenarios for mobile networks

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CAPITALS

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the journey to 5g trends and scenarios for mobile networks

Gino Masini, MBA Ericsson AB – Systems & Technologies

Politecnico di Milano May 7, 2014 – 12:15-13:45 Sala Conferenze – DEIB

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The Journey Towards 5G | Public | © Ericsson AB 2014 | 2014-04-25 |

› 1G and 2G à mobile telephony › 3G and 4G à mobile broadband › 5G?

generations

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Higher rata rates as the “flag” for each technology step

Data rates

› 10 Gbps in specific scenarios › 100 Mbps generally available in urban/suburban scenarios › High-quality (Mbps) connectivity essentially everywhere

In the future

3G 2 Mbps (indoor)

384 kbps (outdoor)

HSPA

14... 84 Mbps

LTE

100 Mbps

IMT/LTE Advance

d 1 Gbps (nomadic)

100 Mbps (mobile) ?

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› How many subscribers are there? › What will they do in the future? › Technology trends and challenges › Research › Standardization

summary

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subscribers, traffic, terminals

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Mobile subscriptions

6.7 billion (92% global penetration)

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› 100 years to connect 1 billion places

› 25 years to connect 5 billion people

› By 2020, connected devices ≅ 6x connected people

places à people à devices

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breakdown by technology

2G

2G+3G

2G+3G+4G

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Mobile Data TRAFFIC

2013 the monthly mobile data traffic volume was

exabytes ≈2

By 2019 the monthly mobile data traffic volume will increase to

exabytes ≈20

1 exabyte = 1018 bytes

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Smartphones

2013 the number of smartphones was

billion 1.9

By 2019 the number of smartphones will increase to

billion 5.6

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some consumer trends

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›  “Quantified self”


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› Sensors in daily places

– Remote proactive healthcare

– Public transports, doors, gates recognize you

– Cars and roads exchange information

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›  Internet expected everywhere


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›  “Play, pause & resume” everywhere


Smartphone owners in Chile, Mexico and Brazil

Source: Ericsson ConsumerLab

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› Users check their quality of experience


7500 iOS/Android smartphone users in Tokyo, Beijing, London, New York, São Paulo, who use Internet daily

Source: Ericsson ConsumerLab

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› Reducing the digital divide


Source: Ericsson / Arthur D. Little, 2010/2011

+10% broadband penetration à +1% GDP x2 connection speed à +0.3% GDP

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CAPITALS

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In the networked society people, knowledge, devices, and information are connected for the growth of society, life and business.

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technology trends and challenges

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What sHOULD 5G bring? Enhancements to

current mobile broadband use cases

Latency

Reliability

Massive number of devices

Mobility and coverage

Spectrum and bandwidth flexibility

Energy efficiency

Traffic capacity

Achievable user data-rates

High

1G

10G

Massive

Ultra-high

500B High

Ultra-high

Low

Low

1m

10m 50B

100m 1

5B

0.5B Best effort

Low

100M

10M

High

Mission-critical MTC

Massive MTC

Enabling new use cases

High

IMT-2000

IMT-Advanced

Future IMT

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trends

MBB enhancements

of bit rates, capacity, … Ultra-reliable Ultra-low latency

Interference cancellation

Simultaneous Tx and Rx

THz communication

mm-wave communication

Ultra-dense networks

Advanced antenna techniques

Enhancements of video, broadcast, privacy etc.

Device-to-device

Low load communication (“ultra-lean”)

Network flexibility

Cognitive radio

New use cases

Improved mobile broadband

“Disruptive”

!

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Affordable and sustainable

Massive growth in Connected

Devices

Massive growth in Traffic Volume

>1000x

Wide range of Requirements

& Characteristics

speed latency

Key Challenges

1 2 3

4

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› Provide extreme capacity and multi-Gbps – bandwidths >500 MHz, frequency >20 GHz – ~1 AP per room indoor, ~10-50 m ISD outdoor

› Higher frequencies “like” beamforming – increase link budget, constrain interference

› Low-cost, self-configuring access nodes – access-backhaul integration

› Seamless integration with wide area network at lower frequencies

Ultra-Dense at mm-wave

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Machine Type Communications

Traffic safety/control

Industrial application

“Tactile Internet”

Short TTI Robust transmission Fast channel assignment Multi-path

Sensors, meters, actuators

Ultra-long range Low protocol overhead Scalable Access Spectrum sharing with LTE (< 2GHz) Capillary Networks & short-range radio

Capillary networks

TEXT

Simple & cheap Low energy Small data volumes Massive numbers

~1 ms end-to-end latency Ultra reliable

Highly available MTC

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pushing the Limits

Reducing cost by up to 80%, eg by – one receive antenna – data rates limited to 1 Mb/s – using 1.4 MHz BW only Further enhancements

– half-duplex FDD – reduced RF

bandwidth

Options for low-rate MTC devices – repetition with energy accumulation – power boosting – relaxed performance requirements – simplification/elimination of physical control channel functionality or design of new channels/signals

COST COVERAGE

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active

time

TX

RX

inactive active

data signaling paging / measurements DRX / paging cycle

pow

er c

onsu

mpt

ion

DRX active times dominate UE energy consumption

e.g.: What consumes energy?

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Capillary Networks

› The majority of device connections predicted as short-range, non-cellular

–  e.g. Bluetooth Low Energy, IEEE 802.15.4 –  But can only provide local connectivity at the edge

–  Complement for cellular networks

› Cellular network can provide connectivity, security and network management

App Node

Capillary Network Function

Capillary Network EPS Network Internet

Capillary GWs

Connected Devices

Connectivity, QoS, Security, Network Management

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Cooperative Devices

Network access for devices outside direct infra-structure coverage

Device-based Relaying

Device-to-device communication

Joint reception/transmission at multiple devices

Direct communication

End-to-end information directly between devices

Broadcast / Groupcast Unicast

An integral part of future wireless access

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5G system

Network Infrastructure

Data Center Relay Device

DU

Antenna

Antenna

RU

RU

Cloud Execution Environment

NF NF NF

Device Device

Infra-structure layer

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LTE evolution New multi-Gbit/s RAT

New mm-wave technology for ultra-dense deployments

1 GHz 3 GHz 10 GHz 30 GHz 100 GHz

5G technology AND spectrum

Main focus

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› Dedicated licensed spectrum complemented with various forms of shared spectrum

Future spectrum Landscape

“Toolbox” of different sharing enablers required

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LTE evolution + new RAT(s)

5G air-interfaces

2010 2015 2020 2025

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LTE – Major Evolution Trends

Spectrum Flexibility Carrier Aggregation, New Frequency Bands …

Multi-antenna techniques MIMO, CoMP …

New scenarios Device-to-Device Communication, MTC, Broadcast …

Densification Local-area access, Heterogeneous deployments …

Device Enhancements Receiver improvements,…

Multi-RAT coordination WiFi interworking, inter-RAT RRM …

LTE Rel-8/9

Rel-11

Rel-12

Rel-10

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research activity

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› Future internet / networking principles / services / security › Software defined networking / cloud / distributed computing › Management of complex systems ›  Integration of multiple radio access technologies › Spectrum management / shared spectrum › Energy efficiency › Machine type communication › Beam forming › Understanding propagation at higher frequencies › Radio front-ends for higher frequencies

research areas

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METIS project

EU-funded research project on future wireless communication

Universities and research institutes

29 partners / ≈2500 man-month

2012 2013 2014 2015 2016 2017 2018 2019 2020

First phase Usage scenarios & fundamental technology

Second phase (prel.) More detailed concept

development

WRC’12 WRC’15 WRC’19

Part of Horizon 2020 / 5G PPP

e

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METIS 5G Scenarios Super real-‐*me and reliable connec*ons Amazingly

fast

Great Service in a crowd Ubiquitous things

communica*ng

Best experience follows you

delay, reliability

bit-‐rate, delay Accessibility,

dense crowds

simple devices, coverage Accessibility,

mobility

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METIS – technical Objectives

1000x higher mobile data volumes

10x - 100x higher number of connected devices

10x - 100x typical end-user data rates

5x lower latency

10x longer battery life for low-power devices

Develop a concept for future mobile and wireless communications system that supports the connected information society

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METIS 5G Requirements

D2D capabilities NSPS, ITS, resilience, …

Devices per area 300.000 per access node

Battery ~10 years

Reliability 99.999% within time budget

Coverage >20 dB of LTE (e.g. sensors)

Latency reduction ~ 1ms (e.g. tactile internet)

Spectrum Higher frequencies & flexibility

Capacity 36TB/month/user (resp. 500 GB)

Energy ~10% of today’s consumption

Data rates 1-10Gbps (resp.100s of Mbps)

Ultra-dense networks

Massive M2M

Ultra-reliable comms

METIS 5G Architecture

Internet

MMC

D2D / URC

MN

UDN

Aggregation Network (local, regional, national)

Massive MIMO

Wireless access Wireless fronthaul Wired fronthaul Wired backhaul Internet access

C-RAN

CoMP

Mobile Core – Centralized Functions + OAM

C-RAN + Mobile Core – Distributed Functions (incl. optional local breakout or CDN)

Macro radio node* Small cell radio node*, e.g. micro, (ultra-)pico, femto Note: Indoor cells not shown!

…

Centralized or distributed?

* Only Remote Radio Units (RRUs) assumed.

"  Local break out & Distributed mobile core func5ons

"  Accelerated content delivery "  Tech. Dependent

"  D2D, MMC (Massive Machine Comm.), Moving Networks (MN), UDN Ultra-‐reliable Comm. (URC)

"  Amazingly Fast scenario " high data rates & network capaci5es

"  Ultra-‐Dense Networks (UDN) " ISD about 10 m " >= 1 radio nodes per room

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from research to standardization

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Timeline

2012 2013 2014 2015 2016 2017 2018 2019 2020

Commercialization Standardization

activities

Pre-standardization activities

& Technology development

Exploratory research

Trials Live 5G systems

Propagation measurements, testbeds, prototyping

WRC ‘15 WRC ’18/19 WRC ‘12

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› Unlimited access to information, sharing of data › Wide variety of devices and services ›  Integration of existing and new technologies

– Gradual transition

› LTE evolution is part of 5G › New components for diverse requirements › More spectrum needed for increased traffic and new services

› Research activity underway

Summary