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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
8/19/2013
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
8/19/2013
Comnet
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
8/19/2013
Comnet
5
0
20
40
60
0
20
40
27
32 33
53
Degrees
8/19/2013
Comnet
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
8/19/2013
Comnet
7
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
8/19/2013
Comnet
9
Growing Role of Software
Deep Embedding in Society
FocusAreas
FundamentalResearch Themes
Strategic Future Network Research
Research Themes & Focus AreasCommunications ecosystems
8/19/2013
Comnet
10
Research and Societal/Industrial Impact
COMNETUsage traces
PrototypesPrototypes
Experience Publications
Scientifictestbeds
8/19/2013
Comnet
11
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
8/19/2013
Comnet
12
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)
8/19/2013
Comnet
13
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
8/19/2013
Comnet
14
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)
8/19/2013
Comnet
15
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)
8/19/2013
Comnet
16
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
8/19/2013
Comnet
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)
8/19/2013
Comnet
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
8/19/2013
Comnet
19
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
8/19/2013
Comnet
21
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