Department of Communications

Comnet

Communications and Networking (Comnet )

Comnet

• Personnel: ~140• 7 tenured professors + 2 others

+ 2 being filled• Head of Department:

Prof. Riku Jäntti

19.8.2013

Comnet

2

Comnet is a multi-disciplinary unit of research and higher education coveringcommunications and networking technology, networking business and human aspects ofcommunications. In its area, Comnet is the largest unit in Finland.

http://comnet.aalto.fi/en/

Income 2012: 9 909 887 € (External funding 64%)

36 %23 %

5 %

1 % 2 %

2012 Income distribution

Aalto funding

Academy of Finland

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Comnet

3

9 %24 %

23 %Tekes

Finnish companies

EC funding

Other funding

Internal funding (MIDE etc.)

From rapid growth towards steadystate

0

500 000

1 000 000

1 500 000

2 000 000

2 500 000

3 000 000

3 500 000

4 000 000

2008

2009

2010

2011

2012

2011 2012

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4

2008

2009

2010

2011 2012

80859095

100105110115120125130135

Person years

Publications

60

80

100

120

140

160

180

200

90

141 143

170

186

All publications

2008 2009 2010 2011 2012

6053

60

Journal articles

2008 2009 2010 2011 2012

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Comnet

5

0

20

40

60

0

20

40

27

32 33

53

Degrees

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6

2008 2009 2010 2011 2012

2008 2009 2010 2011 2012

D.Sc. (Tech.) 2 4 7 8 7

Lic.Sc. (Tech.) 3 1 1 2

M.Sc. (Tech.) 81 91 144 68 58

Professors

Raimo Kantola Jukka MannerJörg Ott Patric Östergȧrd

Internet Technology

Communications engineering Communications ecosystems

Information theory

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Riku Jäntti Olav Tirkkonen Jyri Hämäläinen Heikki Hämmäinen

Communications engineering Communications ecosystems

Antti Oulasvirta

Comnet

Comnet Research

Comnet: Fundamental & AppliedResearch

Increasing TechnologyIncreasing TechnologyCapabilities

Growing Role of

ComnetResearch:

Strong industry background

Grand Challenges

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Growing Role of Software

Deep Embedding in Society

FocusAreas

FundamentalResearch Themes

Strategic Future Network Research

Research Themes & Focus AreasCommunications ecosystems

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Research and Societal/Industrial Impact

COMNETUsage traces

PrototypesPrototypes

Experience Publications

Scientifictestbeds

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ResearchUsage traces

SoftwareSoftware

Field data Knowledge

Controlled lab environment

SocietySociety

Grand Challenges

Carbon-neutral networking• Sustainable communications• Connecting the remaining 2 billion to mobile and 5 billion to

Internet

Instant wireless Internet• Wireless access delays below the limit of human

Source: EU FP7 project EARTH

Source: NSN

• Wireless access delays below the limit of human perception

Scaling the Internet to a thousand devices per user• Internet of things, cyber-physical systems

Secure cyber space• Network security, trust, critical infrastructure protection

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Source: Ericsson

“Aalto University found a total of 2 915 automation devices in Finland that were accessible to just about anybody through the Internet – and vulnerable to cyber attacks.”

Communications and InformationTheory

Computational methods in discrete matematics and information theoryProf. Östergård

• Mathematical objects (existence and classification problems)

• Combinatorial algorithms

libexact package

Advanced Transmission MethodsProfessors Hämäläinen and Tirkkonen

• Space-time block codes, • Codeboodk design for MIMO systems• Optimized CQI feedback• Nonlinearity (DirtyRF)

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Comnet

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Beamforming codebooks based on Grassmannian Packings

Advanced Radio CommunicationSystems (1/2)Professors Hämäläinen, Jäntti and Tirkkonen

Cognitive radio and spectrum aware communications• Co-primary and secondary sharing• Overlay (black space) and underlay (D2D)

transmissions• Interference modeling and control

Cognitive radio networktestbed

• Interference modeling and control

Wireless broadband systems and system optimization• HETNETS and deployable networks• Small cells, relays• Self-organization & self-optimization• RRM• Energy efficiency

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TVWS Assesment tool http://quasar.netlab.hut.fi/

3GPP compliant simulation tools

Advanced Radio CommunicationSystems (2/2)

Wireless Sensor SystemsProfessors Jäntti and Ott

• Real-time sensing• HW & SW Architectures• Development and testing tools• Protocols• IoT, automation, and military applications

pRoot node and middeware• IoT, automation, and military applications• RF tomographic imaging and Device Free Localization

(DFL)

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DFL System

http://wsn.aalto.fi/en/

Performance analysis and teletraffictheoryQueuing theory and teletraffic theoryDocent Aalto

• Age and size based scheduling• Dispatching problems• Flow level performance analysis• Internet traffic engineering• P2P, wireless networks, M2M communications,…

Size- and state aware dispatching

Performance measurementsProf. Manner

• Energy-consumption measurements• Experimental data center• Internet traffic measurements• Mobile access speed measurement service: Netradar

(http://www.netradar.org/en)

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Comnet data center

Netradar

Internet technologies (1/2)

Professors Kantola, Manner, and Ott

Networking technology• Carrier grade Ethernet• Access and core networks• Software defined networking (OpenFlow)• Energy efficient communications and networking

Network security and trust• Internet wide trust / Evolution of cooperation• Customer edge switching• Cyber security: Security of critical infrastructure

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17

I

Plau

sibl

ede

niab

ility

ControllerOperationscenter

Actual target

Entryhost

Internet

C&C

Dropper

Weapons assembly-platform components-payloads

Module library

Control place for Carrier-Grade Ethernet Network

Analysis of Cyber weapons and attacks

Internet technologies (2/2)

Internet protocols• End-to-end transport, multipath transport, flow and

congestion control• Customer Edge Traversal• Transport layer cognitivity• Opportunistic Networking• DTN routing, transport, and application protocols• P2P• Content-based networking

The ONE simulator for Opportunisti Networkinghttp://www.netlab.tkk.fi/tutkimus/dtn/theone/• Content-based networking

• Multimedia protocols• Energy efficient operation• IETF standardization

Military communications• Tacoms - Tactical Communications for Federated

Network Environment • Generic messaging protocol (MICS)

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18

http://www.netlab.tkk.fi/tutkimus/dtn/theone/

Proxies for Energy-Efficient Web Access

Network Economics

Prof. Hämmäinen

Quantitative analysis of mobile user behavior• Challenging the boundaries of complex data mining,

privacy • Understand the behavior in context, social activity and

service adaption/diffusionContextual patterns in mobile service usage

Optimal industry and technical architecture for flexible radio access• Enable flexible spectrum use: Technical, regulatory and

economic rules

Techno-economic bottlenecks of Internet scalability• Identify and eliminate techno-economical bottlenecks

preventing the scaling of Internet

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Spectrum regulation phase diagram

Contextual patterns in mobile service usage

Comnet

Comnet Education19.8.2013

Laitoksen nimi

20

Master’s programs

Two international Master’s programs (120 ECTS):• Communications Engineering (Oldest

International Master’s program in Aalto)

• Communications Ecosystems• New ’ICT’ program 2015?

150

200

250

300

350

Communications Engineering (Tot)

CE/Networking Technology

CE/Radio Communications

CE/Digital Signal

195

102

Several dual-degree programs• Kungliga Tekniska Högskolan (KTH),

Sweden• Universidad Politécnica de Catalunya

(UPC), Spain• Universidade Técnica de Lisboa,

Portugal• Telecom SudParis, France

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http://www.aalto.fi/en/studies//education/programme/communications_engineering_master/

http://www.aalto.fi/en/studies//education/programme/communications_ecosystem_master/

0

50

100

2008 2009 2010 2011 2012 2013

CE/Digital Signal Processing

Communications Ecosystem

4746

19