rahim tafazolli,university of surrey

ETSI Future Netw

ork

Technologies

ARCHITECTURE

27th Sep 2011

Sophia Antipolis, France

SRA

A Strategic Research Agenda for

Future Network Technologies

ETSI Future Netw

ork

Technologies

ARCHITECTURE

26th –

27th Sep 2011

Sophia Antipolis, France

Future Network Technologies

Rahim Tafazolli,University of Surrey

� More than 70 experts from EU Academia and Industry

Background

� Agreed to conduct all the activities under

generic topic of “Smart Cities”

2

� Apply both a structured & unstructured approach

Adopted Process

RoadMapTechnologiesVision Requirements

� Brainstorm around prepared presentations

� Build up a holistic view of all elements in play

� Iterate & synthesize towards an agreed position– Vision, Requirements & Technologies → Roadmap

3

�Four application areas

Selected topics

�Future Broadband Technologies-Beyond 2020

�New Software infrastructures (Cloud Computing)

4

Technology RoadmapTimeline

5

• Rationale?

• Research Priorities?

White Papers’ Structure

• Research Priorities?

• Technology Roadmap?

• Recommendations

6

• Smart Cities Applications and requirements� Economic, Social and privacy Implications

� E-Government

� Health, Inclusion and Assisted Living

� Intelligent Transportation Systems

� Smart grids, Energy Efficiency and Environment

WHITE PAPERS

� Smart grids, Energy Efficiency and Environment

• Broadband Wireless Beyond 2020

• Next generation Networks: Wireless-Optics technologies

• Future Networks and Management

7

Smart Cities Applications

General requirements:

– Integration of security and privacy-preserving mechanisms, to

achieve user consent, trust and acceptance

8

– Inclusion of mechanisms to deal with complex systems, e.g.,

interoperability

– Consideration of a coherent integration of related authorities,

businesses, and administrative structures, for sustained

development and sound business model.

Smart Cities Applications

• Common Technical requirements :

– Service discovery, scalability and survivability, and

9

interworking with other networks

– Flexible, redundant and self-optimised networks;

– Heterogeneous systems and networks

• (e.g., different sensor and actuator technologies, and

radio interfaces);

Broadband Broadband Broadband Broadband

CommunicationsCommunicationsCommunicationsCommunications

Big Question …

Mobile Internet ���� IMT-A

What is Next and Why?

Mobile Broadband challenges Users perspective• Ubiquitous broadband Internet services, On-The-Move, particularly video-based services

• Simplicity in accessing device (s), and services irrespective of network technologies and media (wireless and wired)

• Long time between re-charging and new and ubiquitous mechanisms for charging of devicesubiquitous mechanisms for charging of devices

• Unnoticeable latency in service access and service continuity

•• Dependable and reliable networks;

• Trusted services and networks;

• Trust in aggregate level of exposure to Electro-Magnetic fields

Trends and DriversTrends and DriversTrends and DriversTrends and DriversEnabled by smart phones and Enabled by smart phones and Enabled by smart phones and Enabled by smart phones and

broadband mobilebroadband mobilebroadband mobilebroadband mobile

The Internet!

Internet Services Trend

• Web pages getting more complexo Avg web page size has tripled in past 5 years

o +75% HTTP requests from images, up from 20% in ‘03o +75% HTTP requests from images, up from 20% in ‘03

o +90% of web pages have images today

• Video and HD are hereo Average file size on the web = 10 MBytes

o Video accounts for ~99% of all bytes transferred

o And they are growing in size and length; 90% of videos are +3min, up from

under 1 min in ‘97

Market Trends and DriversMarket Trends and DriversMarket Trends and DriversMarket Trends and Drivers

compared with 2010compared with 2010compared with 2010compared with 2010

by 2015 by 2020

No of Mobile

Phones

7Bn Every person

with a phone

Mobile traffic • 26 fold (CISCO)

• Mobile to Mobile traffic; 295 Petabytes per

1000 fold

(DOCOMO and

1 Petabyte ≈ 100 Libraries of Congress

• Mobile to Mobile traffic; 295 Petabytes per

month

• Video 2/3 of Traffic

• One Second of video uploads on Net takes Two

Years to watch

(DOCOMO and

Huawei)

Expenditure

(mobile Services

alone)

• $1.7 Tn (Generator an Industry insight) $2.89 Tn

Challenges in 2020+Broadband Radio Access

• Provision of 50Mbps (throughput) per user even up to 100Mbps

• Ubiquitously available (not only • Ubiquitously available (not only hotspots)

• 1000 times more capacity

�Questions:Questions:Questions:Questions:

• Will there be sufficient spectrum? NO

• If not, how to meet such challenges?

• At what cost?

Telecom Industry Challenges

• Capacity crunch and provision of 1000-fold capacity relative to 3GHSPA in 2010

• Wide-area and long-range; at least 10 times more throughput than HSPA

• Short-range; 10 times higher throughput than in the wide-area;

• Scarcity and high fragmentation of suitable spectrum and lack of global harmonisation;

• Wireless Backhaul spectrum shortage;

• Need for faster service creation, test and deployment

• Need for multi-service and evolvable networks;

• Inter-operability between different standards and technologies;• Inter-operability between different standards and technologies;

• Support of machine to machine (M2M) traffic and cost of associated signalling;

• Increasing demand in processing power and storage;

• Ever-increasing complexity in management of systems, number of networks and increasing traffic. Leading in turn to escalation of costs associated with system operation, maintenance, and overall energy requirements;

• Cost-effective solutions for migration of legacy services and networking to new networking solutions;

• Cost of long-term research and global competition

Spectrum Crunch

WRC 16, Twice more spectrum at best- leaving 500 times

Offloading, Twice at best- leaving 250 times

• Rest should come from:

1. Intelligent cooperation between different RATS

2. Intelligent cooperation between cells

3. New solutions for higher cell throughput

4. Higher Frequency reuse

5. Cognitive use of spectrum

6. Interference Management (a prior knowledge)

7. Technology-independent spectrum allocations

8. New spectrum

Are we using the spectrum efficiently?

• Current practice

• Cell dimensioning and operation on per cell basis

Excellent Adaptive techniques at link level but NOT at the • Excellent Adaptive techniques at link level but NOT at the system level

• Low utilisation of available Capacity

• Unstable capacity over time and over cells

Capacity Increase factors since 1950

New Architectures

Cooperation converts the distributed cellular system into a MIMO system with distributed antennas

Radio Access ArchitectureTypes of cells based on dimension

• Mobile device== smallest cells

• Distributed antenna systems

• Fixed relay

• Small cell

• Macro cell

• Base stations cluster cell

• BS cooperation at radio access

• BS cooperation at wireless Backhaul

Backhaul architectures

• Fiber optics

• What point transform from Electrical to optical signals

• Wireless

• Adaptive Mesh architecture for high spectral efficiency and adaptive to temporal and spatial traffic variations

• Joint Processing and Resource Management of multi-cells (Cloud)

Co-design between radio access and backhaul

Sum Up on Broadband Radio Beyond 2020

• System level research

• Small cell technologies

• Joint design of Radio access with wireless

BackhaulBackhaul

• Multi-cell operation and cooperative techniques

• Intelligent Combination of Small and Large cells

• Opportunistic use of spectrum (Liberate

technology from Spectrum)

� licensed and licensed- exempt bands and systems

Challenges of Fixed Networking and Management

• Different Radio access technologies are operated and

managed separately

• Radio access specific• Radio access specific

• Service specific

• Every 10 years new architecture

• Management cost escalating

Mobile Networks

Evolution Roadmap

Fixed Network architectures

• Context –based networking

• Resource virtualisation

• Support universal service-network Interface

• Allowing full infrastructure and all-network resources

sharing

• Ability to accommodate different service providers of

different sizes

Software Defined Networking: Universal self-organising, flexible, evolvable, Plug and Play energy aware network architecture and management

Service-Network InterfaceS

ourc

e: 3

GP

P T

S 2

3.00

2Highly complex infrastructure:

17 logical elements and 24+ interfaces

27

Sou

rce:

3G

PP

TS

23.

002

Grand Societal and economic Challenges

• Sustainable ICT as part of national critical infrastructures and

its economical extension to remote and less - populated area

for digital inclusion;

• High service integrity, reliability, availability and network

robustness;

Digital single market provisioning;• Digital single market provisioning;

• Efficient health and tele-care system;

• E-Government;

• Intelligent Transport system;

• Efficient energy systems;

• Carbon-neutral Environment and environment monitoring/alarm

• Privacy, Safety and security

ICT solution to Grand Societal Challenges

• A common and universal platform for support • A common and universal platform for support of Smart Energy, ITS, Health, …..

• Utilising P2P networking overlaid on current infrastructure

Recommendations-1/3

• New architectures

– Intelligent Multi-radio access and multi -network technologies;

– M2M, UE-to-UE, Peer-to-Peer networking integrated in wide-area networks

– Flexible and universal core network architecture supporting hybrid of optical fibre and wireless technologies and enabling infrastructure sharing comprised of multi-access (wired and wireless) technologies

Recommendations-2/3

New Networking

SMART communication (SDN + SoN)• SMART communication (SDN + SoN)

– Consisting of;

» Context-based networking and service provisioning;

» Information-based (centric) networking and protocols

Recommendations-3/3

New Technologies

• Visible light communication technologies;

Small cell technology;• Small cell technology;

• New communication waveforms, post-OFDM;

• Co-design of radio access and wireless backhaul;

• End-to-end approach to Energy Efficient networks;

• Technologies for monitoring and lowering of EM fields;

• Universal interface Service- to-Network;

• Common and universal platform in support of eHealth, Smart Energy, Intelligent Transportation,…

Some important Issuesfor Standardisation Consideration

Universal (radio access independent) core network

• User –network interfaces

• Network-network interfaces

Smart city applications– Interworking between different technologies

– Pee-to Peer Networking

– Security, privacy and trust

• Network-network interfaces

• Service-network interfaces

• Context-based Network management

Common air interface for radio access and wireless backhaul

Context information specification and interworking

Coexistence of different technologies in the same band

Information based networking

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Thanks for listening…

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Thanks for listening…

If you want to contribute and be part of Expert GroupGroup

Let us know

For detailed information Visit:

http://www.networks-etp.eu/

GroupLet us know

For detailed information Visit:

http://www.networks-etp.eu/