Laboratory for telecommunications

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University of Ljubljana

University of Ljubljana founded in 1919 consists of 22 Faculties,

3 Academies and 1 University College

students approx. 56.000 employees approx. 6.000

Faculty of Electrical Engineering students approx. 3.000 employees approx. 300

Department of Telecommunications Laboratory for Telecommunications (LTFE)

Laboratory for TelecommunicationsUniversity of LjubljanaFaculty of Electrical EngineeringLaboratory for Telecommunications

Trzaska c. 25, SI-1000 Ljubljana, Slovenia, EU

Established in 1946, the oldest laboratory in the field of telecommunications in Slovenia

50+ employees: scientists, researchers, students, technicians, administrative staff

Extensive experience in international cooperation on scientific, R&D and interdisciplinary projects

Strong strategic partnership with industry, research, educational and governmental environments

LTFE R&D Business International R&D, scientific and interdisciplinary project

activities

International industrial partnership Cisco, 4G Neuron, Aviatnet, Juniper, Mobitel, Telekom Slovenije, Siol, IskratelRTV, Telsima, Planet9, Emsiso, IskraMIS

Participation in the European Commission programs EU 5FW, 6FW, 7FW

Participation in international and national R&D programs

PHARE, COST, IFIP, ITU, IEEE, IEICE, RIPETechnology Network ICT, Center of excellence ICT

Cooperation with governmental institutions Ministry of Higher Education, Science and TechnologyMinistry of the Economy, Ministry of DefencePost and Electronic Communications Agency of the Republic of Slovenia

LTFE R&D Skills NextGen telecommunications technologies, solutions

and services

Networking technologies – IPv4, IPv6, MPLS, MetroEthernet, VPNCommunications technologies and protocols – VoIP, SIP, Radius/Diameter, SIGTRANWireless & Mobile technologies – 3G/4G, WiFi, WiMAX, LTE, Pico/Femto, Bluetooth, ZigBee, RFID/NFCDeep Packet Inspection (DPI)SmartGrid and energetics communication technologies and solutionsFuture InternetInternet of things

Communications systems – SSW, NGN/IMS, MultiPlay, IPTVQuality of Service/Experience (QoS/QoE) and admission controlNGN/IMS environments and services – SDP, SOA, WEB 2.0, IMS, RACS/NASS, EPC/SAESmart-home environment and assistive technologiesSatellite road e-toll systems

Smart home and e-health solutionsAssistive technologiesE-learning systemsMultimedia systems, services and content

LTFE Education activities Academic and commercial education

Undergraduate and postgraduate study programsElectrical engineering, Multimedia Communications (Bologna scheme, levels 1, 2 and 3)

Cooperation with partner universities University College Dublin, Graz University of Technology, Bonch-Bruevich Saint-Petersburg State University of Telecommunications, University of Sarajevo, Technical University of Munich, University of Zagreb, Telecom Lille Villeneuve d’Ascq Cedex, Université de Rouen, Huazhong University of Science and Technology

Commercial academies and workshopsTelecommunications and ICT scientific academyCisco Networking AcademyApple Academy LTFE Multimedia e-learning environment

LTFE skills portfolio 1/2

Networking technologiesBest practices in design and deployment of IPv6 routing solutions (OSPFv3 and BGP)IPv6 in operator environmentsMulticast in IPv6IP network infrastructure testingBGP routingIP routing (I and II)Advanced Ethernet mechanismsTelecommunications systems managementAssuring QoS and QoESNMPTCP/IP and Ethernet basicsMPLS (I and II)Transpot networksVirtual private networksQoS in IP/MPLSIPv6 (I and II)Security in IPv6Multicast in IPAnd-hoc and mesh networksPeer-to-peer systemsATM (I and II)

Communication architectures and signalingSmartGrid telecommunicationsTelecommunications protocol designDeep Packet InspectionCSTA application developmentNGN signalingLegacy signallngSIGTRANNGNIMSVoIP3PlayIMS/NGN/IPTV servicesService development in IMS/NGN/IPTVSIPVoIP/IMS securityDiameter

LTFE skills portfolio 2/2

Wireless technologiesLTE/SAELocation and navigationSatellite communication and locationRFID and NFCBluetooth and ZigBeeWi-FiWi-MAXMobile terminal equipmentData services in 3G/4G networks

Multimedia technologiesPhotoshop CS5 for beginnersIPTVBasics of video productionVideo recording and productionVideo content compression principlesTV production and delivery systemsDigital radiodiffusion and mobile TVFlash CS5 for beginners

Embedded and hardware systemsReal-time processor systemsx86 hardware platform

Information technologiesPatient health monitoring with ICTJava (I and II)Java for server systemsMobile application development in Java – J2ME and AndroidiPhone and iPad application developmentFacebook application developmentPHPWEB 2.0Linux basicsdesign for all and e-accessibility

LTFE Expertise

Commercial R&D test center for telecommunications systems and services

Networking infrastructure (IP, IPv6, MPLS, MetroEthernet, VPN)Mobility & Wireless infrastructure (UMTS, WiFi, WiMAX, UMA)NGN/IMS and WEB 2.0 infrastructure and services development HW platforms and protocol implementations (SS7, SIGTRAN, SIP, Diameter)System tools (QoS/QoE measurments, VPN security, BB network planning) Satellite road e-toll systems

Scientific R&DTelecommunication systems and next generation servicesTelecommunication engineeringInnovation and research co-operations

Multimedia-based learning environmentsE-cho e-learning environmentCoome multimedia content development environmentGame Based Mobile Learning (GBML) Platform

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Co-founder of SINTESIO

1st ETSI-endorsed NGN Interoperability test site in Slovenia

http://www.sintesio.org/

    

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LTFE TestCenter

ActivitiesVerification, Conformance testsPerformance, Benchmarking testsFunctional, Interoperability tests

Professional equipmentSpirent STCAgilent DNAEndance DAG

Excellent connectivityVarius fix, mobile systems: IPv4, IPv6ASN = 28933

IPv4 PI (195.47.197.0/24) and PA (212.101.128.0/18)IPv6 PA (2a00:1368::/32)Full BGP

LTFE TestCenter – infrastructure

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Slovenian Operators

Test and Measurement Equipment Laboratorij for telecommunications, Faculty of Electrical Engineering, University of Ljubljana

Arnes/GeantIPv4 and IPv6

Telekom SloveniaIPv4

UNICAST UNICAST

MULTICAST

AS 28933IPv4 (PI) = 195.47.197.0/24

IPv4 (PA) = 212.101.128.0/18IPv6 (PA) = 2a00:1368::/32

Unicast and multicast

Telekom SloveniaxDSL

TelemachCMTS

T2xDSL

MobitelUMTS/HSxPA

WiMAX

Spirent STC Agilent DNA Endance DAG

Internet QoE

UMTSVDSLVDSL2

DOCSIS

WiFi

WiFi

Full BGP

ADSL2+ADSL SSWiMAX

HSxPA

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LTFE TestCenter – testbeds and pilots Beta testers for IPv6 Juniper firewall

http://www.juniper.net/company/presscenter/pr/2004/pr-040629.html

WiMAX test-bedImplementing QoS on WiMAX BS/SS (Telsima)Beta testers for WiMAX

NGN/IMS test-bedDiameter, ParlayX GW, presence servicesIMS – Fraunhofer FOKUSAsterix VoIP system

IPTV test-bedFirst commercial IPTV solution in Europe (collaboration with SIOL)Video equipment

6 x professional cameras2 x video/audio matrix, linear/nonlinear mixing4 x IPTV system

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Selected research references 1/2 Original scientific articles

HUMAR, Iztok, GOLJA, Mitja, BEŠTER, Janez, TOMAŽIČ, Sašo. Performance optimization of voice traffic against background traffic over asymmetric digital subscriber lines. Elektroteh. vestn., 2008, letn. 75, št. 5, str. 264-270, ilustr. [COBISS.SI-ID 6918740]

STEGEL, Tine, STERLE, Janez, BEŠTER, Janez, KOS, Andrej. SCTP association between multi-homed endpoints over NAT using NSLP. Elektroteh. vestn., 2008, letn. 75, št. 5, str. 277-284, ilustr. [COBISS.SI-ID 7027284]

VOLK, Mojca, GUNA, Jože, KOS, Andrej, BEŠTER, Janez. Quality-assured provisioning of IPTV services within the NGN environment. IEEE commun. mag. (Print). [Print ed.], May 2008, vol. 46, no. 5, str. 118-126, ilustr. [COBISS.SI-ID 6532436]

KRENKER, Andrej, VOLK, Mojca, SEDLAR, Urban, BEŠTER, Janez, KOS, Andrej. Bidirectional artificial neural networks for mobile-phone fraud detection. ETRI J., Feb. 2009, vol. 31, no. 1, str. 92-94, ilustr. [COBISS.SI-ID 6951764]

PETERNEL, Blaž, KOS, Andrej. Broadband access network planning optimization considering real copper cable lengths. IEICE trans. commun., Aug. 2008, vol. E91-B, no. 8, str. 2525-2532, ilustr. [COBISS.SI-ID 6866772]

VOLK, Mojca, STERLE, Janez, SEDLAR, Urban, KOS, Andrej. An approach to modeling and control of QoE in next generation networks. IEEE commun. mag. (Print). [Print ed.], Aug. 2010, vol. 48, no. 8, str. 126-135, ilustr. [COBISS.SI-ID 7862612]

Patent applicationsLIKAR, Bojan, POSEL, Robert, KALAGASIDIS, Andreas, JAVORNIK, Tomaž, KANDUS, Gorazd, MOHORČIČ, Mihael, ŠVIGELJ, Aleš, BEŠTER, Janez, KOS, Andrej, SMOLNIKAR, Miha. Iterative localization techniques : patentna prijava 12/825.048. [S. l.]: US Patent Office, 28. jun. 2010. [COBISS.SI-ID 23790631]

LIKAR, Bojan, POSEL, Robert, KALAGASIDIS, Andreas, JAVORNIK, Tomaž, KANDUS, Gorazd, STERLE, Janez, SEDLAR, Urban, BEŠTER, Janez, KOS, Andrej, MALI, Luka. A method for self organizing network operation : patentna prijava 12/827,965. [S. l.]: US Patent Office, 30. jun. 2010. [COBISS.SI-ID 23790887]

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Selected research references 2/2 Published scientific conference contributions

ŠTERN, Andrej, VOLK, Mojca, KANDUS, Gorazd, JAVORNIK, Tomaž, HROVAT, Andrej, BEŠTER, Janez. WAP over TETRA trial services. V: LEITGEB, Erich (ur.), KOGLER, Wolfgang (ur.), GHASSEMLOOY, Zabih (ur.). Proceedings of the Sixth International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) : 23-25 July 2008, Graz University of Technology, Graz Austria. Graz: Graz University of Technology, 2008, str. 63-67, ilustr. [COBISS.SI-ID 21878823]

PUSTIŠEK, Matevž, HUMAR, Iztok, BEŠTER, Janez. Empirical analysis and modeling of peer-to-peer traffic flows. V: 14th IEEE Mediterranean Electrotechnical Conference, Ajaccio, France, May 5-7, 2008. Proceedings. [Piscataway]: IEEE, cop. 2008, str. 169-175, ilustr. [COBISS.SI-ID 6503252]

Independent scientific component part or a chapter in a monographKOS, Andrej, VOLK, Mojca, BEŠTER, Janez. Quality assurance in the IMS-based NGN environment. V: CRANLEY, Nicola (ur.), MURPHY, Liam (ur.). Handbook of research on wireless multimedia : quality of service and solutions. Hershey; New York: Information Science Reference, cop. 2009, str. 240-257, ilustr. [COBISS.SI-ID 6606932]

Research programs and projectsAlgorithms and optimization procedures in telecommunications (Slovenian research agency)

Technologies of the internet of future: concepts, architectures, services and socio-economic viewpoints (Slovenian research agency)

Admission control and scheduling mechanisms in WiMAX mesh networks

Development of tactical self-organizing wireless network for Slovenian Department of Defence

Design and development of digital mobile TETRA system for Slovenian Department of Defence

Development of communications system for communication and tracking of vehicles for Slovenian Department of Defence