Foundation for Research and Technology–Hellas (FORTH) Institute of Computer Science (ICS) Dr. Vasilios A. Siris Broadband and Wireless Networking Activity Leader [email protected]http://www.ics.forth.gr/netlab Telecommunications and Networks Laboratory (TNL)
20
Embed
Foundation for Research and Technology–Hellas (FORTH) Institute of Computer Science (ICS) Dr. Vasilios A. Siris Broadband and Wireless Networking Activity.
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Foundation for Research and Technology–Hellas (FORTH)
Institute of Computer Science (ICS)
Dr. Vasilios A. SirisBroadband and Wireless Networking Activity Leader
LaboratoriesCenter for Medical Informatics & Health Telematics Computer Vision and RoboticsHuman Computer InteractionInformation SystemsComputer Architecture & VLSITelecommunications & Networks FORTH-ICS
3
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH
Telecommunications & Networks Lab ActivitiesTelecommunications & Mobile Communications
Trust, cooperation, power efficiency in ad hoc networks
Wireless network security with focus on GSM/UMTS, 802.11
Broadband and Wireless NetworkingResource management & traffic engineering in wired/wireless networks
Channel and power control in dense WLANs & multi-hop mesh networks
Attack detection and mitigation in broadband networks
Digital Signal ProcessingStatistical algorithms for multimedia delivery over wireless networks
Voice processing, synthesis, and compression
Collaborative signal processing for sensor networks
Mobile Computing Mobile positioning, and location-based services
Mobile network traffic measurement and analysis
Mobile peer-to-peer computing
4
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH
TNL RTD Goals
Explore novel network architecturesAd-hoc and mesh wireless networks
Sensor networks
Mobile peer-to-peer
Focus on cross-layer design of network protocols
Develop advanced network- and service-level software prototypes
Participate in research excellence & training networks, at National, European, and International level
Serve as a proof-of-concept laboratory for telecommunication systems and software
Promote innovation through RTD transfer and consulting services to industry and government
5
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH
TNL at a glanceResearchers: 5
Research associates: 1
Technical personnel: 2
Research assistants: 17
(6 Ph.D and 11 M.Sc. students)
Journal publications: 20
Book publications: 3
Conference publications: 38
Citations: 441 (101 self sited)
Project funds:1.630K € (05-08: 966K €)
Funds from services: 500K € (05-08 150K €)
During 2000 -2004
Growth of personnel
6
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH
Traffic Management in Next Generation Wireless/Wired Networks
Efficient traffic management, seamless congestion control, and end-to-end Quality of Service (QoS) support
ImportanceIncreased access to Internet through wireless networks
Different users/applications demand different quality
Objectives / Expected resultsDevelop novel models based on cross-layer design for heterogeneous technologies (wired/wireless)
Investigate procedures to control interference, extend coverage, increase spatial reuse, reduce battery consumption
Investigate new architectures: multi-hop, multi-channel, ad-hoc, sensor networks
Investigate QoS support in conjunction with security
Evaluate using analysis, simulation & prototype implementation
7
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH
Design, Management, and Security in Wireless Networks supporting Quality of Service
Integrate technical knowledge and research results to provide state-of-the-art consulting/research services and measurement studiesImportance
Wireless networks is a key technology for providing cost-effective broadband access in rural and densely populated areasCurrent design focuses on best-effort services, increased use of Voice-over-IP and streaming videoSecurity up to now isolated from QoS support
Objectives / Expected resultsDevelop new techniques for design and management of secure wireless networksExperiment with new technologies in advanced local and metropolitan area test-bedsProvide high-quality consulting, spectrum measurement services
8
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH
Performance & resource sharing
objectives
Research approach & goals
Wireless technology
Abstract models for throughput/constraints
Map models tomechanisms
9
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH
TNL Infrastructure
MAC/Network experimentation Linux/MadWiFi 802.11 MAC parameter control test-bed
Wireless measurement equipmentAirMagnet Laptop Analyzer 2.4/5 GHz and site surveyor
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH
IEEE 802.11e WLAN test-bed
MAC parameter control module
SNMP
STA 1
STA 2
STA 11
STA 10
…
Cisco 1200 Series Access Point IOS Version 12.3(4)JA with WMMSNMP IEEE 802.11 QoS MIB
D-Link DWL-G650 Wireless CardsAtheros 5211 chipset, MadWiFiUsed by Linux stations
D-Link DWL-AG660 Wireless CardsAtheros 5212 chipsetUsed by Window XP station
11
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH
TNL Infrastructure (cont.)
Science and Technology Park – Crete (STEP-C) Hotspot: serves ~ 1000 users, based on 802.11g/a
Heraklion Wireless MAN: Currently based on 802.11b, >100 Km2 coverage, serving 30 stationary sites. Evolving into multi-hop, multi-channel multi-radio MESH test-bed
12
TELECOMMUNICATIONS AND NETWORKS LABORATORYINSTITUTE OF COMPUTER SCIENCE, FORTH