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Communication Networks & Logistics Prof. Dr. Carmelita Görg University of Bremen ComNets Group

Communication Networks & Logistics Prof. Dr. Carmelita Görg University of Bremen ComNets Group. Universität Bremen Faculty FB1. ComNets participations: MRC Mobile Research Center tzi – ikom Center for Information and Communication Technology

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Communication Networks & Logistics Prof. Dr. Carmelita Görg University of Bremen ComNets Group

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  1. Communication Networks & Logistics Prof. Dr. Carmelita Görg University of Bremen ComNets Group

  2. Universität BremenFaculty FB1 ComNets participations: • MRC Mobile Research Center • tzi – ikomCenter for Information and Communication Technology • LogDynamics: Bremen Research Cluster for Dynamics in Logistics • ...

  3. Main Research Topics • Next Generation Mobile and Wireless Networks • Heterogeneous Networks, e.g. Mobility Support • Ad hoc Protocols • Sensor Networks • Simulation Techniques • Application Areas: Communication Services, Logistics, Telemedicine, wearable computing @ work, …

  4. Master Courses • CIT: Communication and Information Technology • IAE: Information and Automation Engineering • Courses start in April • Application deadline: October 15 • Duration: 2 years • For further information see: www.msc-cit-iae.uni-bremen.de

  5. Location Based Services Telematics Interoperability Networking Technology Intermodal Transport Technology NetworkSecurity Mobile NetworkStandards Mobile DataServices Transport Handling TransponderTechnology Maschine Learning End User Devices CargoConveyor CRC 637: Collaborative Research CenterAutonomous Control TechnologyDevelopments

  6. Ubiquitous Computing CRC 637 • intelligent cargo, transit equipment and transportation systems • permanent localisation, identification and communication with and between these logistic objects • autonomous cooperating logistic objects Positioning Systems Telematics Wireless Communication Networks RFID and Sensor Technology Technological Basis

  7. Communication Gateway • Transparent Network Change for • Data provider • Data receiver

  8. Autonomic Network Selection as Support for Autonomic Logistic Processes

  9. CRUISE: Network of ExcellenceSensor Networks • WP 123 Leader: Software Tools for Modelling, Design and Simulation • Mainly routing for sensor networks, gateways & service discovery, cross layer, self organisation, applications for sensor networks

  10. Protocols and Data Aggregation in CRUISE Wireless Sensor Networks: http://www.ist-cruise.eu/

  11. Wireless Sensor Networks (WSN) • Single-Hop • Multi-Hop

  12. TOSSIM ns-2 OMNeT++ Avrora OPNET GloMoSim (Qualnet) ATEMU EmStar SENS J-Sim(JavaSim) ModelNet LECSim NESLSim WiSeNet JiST / SWANS SwarmNet AlgoSenSim Netwiser ... Simulation Tools for WSNs

  13. Performance Metrics in WSN Simulations • Quality of Service • Data rate, Delay, Jitter, Error rate • Energy efficiency • Energy per bit, Energy per event, Network lifetime • Scalability • Performance metrics independent of size of network • Robustness • Full functionality of the WSN also with failed nodes

  14. Architectural features Simulator/Emulator Transferability of the code Supported Architectures Executable on which platforms GUI, API etc. Statistical Support Parallel simulation Project issues License Cost Status Models Propagation models Sender models Receiver models Antenna models Mobility models Supported standards Languages and Formats Programming language Of the tool Of the models Scenario description format Simulation Tool Comparison Criteria

  15. TOSSIM • Contained in TinyOS • Implemented in Java • Executes real TinyOS applications • GUI: TinyViz • Scenarios and mobility by Python scripts • Propagation models: • Empirical • Fixed Radius • Adjustable BER • Extensions: • PowerTOSSIM • Tython [Philip Levis, Nelson Lee, Matt Welsh, David Culler]

  16. Knowledgebase • CRUISE WP123 WSN Simulation Tool Knowledgebase • Simulation Tool Comparison Matrix • Simulation Tool Details • Simulation Models • http://www.ist-cruise.eu/ • http://www.ist-cruise.eu/cruise/Public%20documents/wp123-wsn-simulation-tool-knowledgebase/

  17. Simulation Scenario • TOSSIM: [Yuan Shaoping]

  18. Incident Commander Firefighter Lifeline Nodes (Active) Simulation Scenario • TOSSIM: [Yuan Shaoping]

  19. Announcing WSN Services to the Internet

  20. Announcing Internet Services to the WSN

  21. LQI RSSI (dBm) ≥ 90 (-65, 0] [50, 90) (-85, -65] [20, 50) (-105, -85] (0, 20) (-133, -105] WSN Measurements RSSI LQI [Uday Kumar Adusumilli]

  22. Major Future Internet Initiatives EU FP 6/7 New Gen.Networks FIND/ GENI USA • FIND • 28 small independent projects • GENI in preparation Europe • FP 6 • FP 7 • Network of the Future • 4WARD • FIRE Korea • Fundamental Technologies for FI (national project by IITA) Japan • New Generation Networks • AKARI China …

  23. A R D 4 W One Idea in 4WARD: Network Virtualization Substrate Virtualization of Resources(partitioning of physical infrastructure into “slices”) Virtualized Substrate Provisioning of Virtual Networks (on-demand instantiation of virtual networks) VirtualNetwork VirtualNetwork Management of Virtual Networks

  24. Thank you For more information and publications etc. please visit www.comnets.uni-bremen.de

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