Publikationen und Patente

2015

R. Tönjes, E. S. Reetz, M. Fischer, D. Kuemper
Automated Testing of Context-Aware Applications
IEEE 82nd Vehicular Technology Conference: VTC2015-Fall:
Workshop on Mobile and Context Aware Services (MOCS2015), Boston, USA, 6–9 September 2015

2014

D. Brettschneider, D. Hölker, P. Roer, R. Tönjes: Cluster-based Distributed Algorithm for Energy Management in Smart Grids, Energieinformatik 2014, November 2014
D. Hölker, D. Brettschneider, M. Fischer, R. Tönjes, P. Roer: Quality-functions for an Uniform and Comparable Analysis of Demand Side Management Algorithms, Energieinformatik 2014, November 2014
Eike Steffen Reetz, Daniel Kuemper, Klaus Moessner, Ralf Tönjes: "Investigation of Opportunities for Test Case Selection Optimisation Based on Similarity Computation and Search-Based Minimisation Algorithms", The 6th International Conference on Advances in System Testing and Validation Lifecycle VALID 2014, Nice, France, 12-16 Oktober 2014.
Daniel Kuemper, Eike Steffen Reetz, Elke Pulvermueller and Ralf Toenjes: "From Semantic IoT-Service Descriptions to Executable Test Cases - Information Flow of an Implemented Test Framework", The 6th International Conference on Advances in System Testing and Validation Lifecycle VALID 2014, Nice, France, 12-16 Oktober 2014.
Daniel Kuemper, Eike Reetz, Marco Schaarschmidt, Marten Fischer, Elke Pulvermueller and Ralf Toenjes, "Test Framework for IoT-Based Services - A Knowledge Driven Approach", European Conference on Networks and Communications, Bologna, Italy, 23-26 Juni 2014.
D. Brettschneider, R. Tönjes, P. Roer, D. Hölker: Distributed algorithm for energy management in smart grids, 2014 World Telecommunications Congress (WTC 2014), Berlin, Juni 2014
T. Iggena, D. Kümper, R. Tönjes. Kontinuierliche Bewertung von Informationsqualität in Stream-basierten Smart City Architekturen. 19. ITG Fachtagung Mobilkommunikation, Osnabrück, Mai 2014.
F. Nordemann, T. Iggena, R. Tönjes: Leistungsbewertung von Routingprotokollkonfigurationen in verzögerungstoleranten Netzen, 19. ITG Fachtagung Mobilkommunikation, Osnabrück, Mai 2014.
R. Tönjes, P. Barnaghi, M. Ali, A. Mileo, M. Hauswirth, F. Ganz, S. Ganea, B. Kjærgaard, D. Kuemper, S. Nechifor, D. Puiu, A. Sheth, V. Tsiatsis, L. Vestergaard, "Real Time IoT Stream Processing and Large-scale Data Analytics for Smart City Applications", poster session, European Conference on Networks and Communications 2014.

2013

D. Hölker, M. Fischer, R. Tönjes: Abschätzung der notwendigen Speicherkapazitäten bei volatiler Energieerzeugung unter Berücksichtigung der haushaltsspezifischen Lastverschiebungspotentiale, 3. Energie&Technik Smart Home & Metering Summit, München Oktober 2013
M. Fischer, D. Hölker, R. Tönjes: Simulationsbasierte Verbrauchsermittlung unter Berücksichtigung haushaltsspezifischer Eigenschaften und Demand Side Management, 3. Energie&Technik Smart Home & Metering Summit, München Oktober 2013
D. Kuemper, E. Reetz, R. Tönjes: "Test Derivation for Semantically Described IoT Services" in Proc. 22nd Future Network and Mobile Summit 2013, Lisbon, Portugal, accepted for publication, July 2013
S. De, F. Carrez, E. Reetz, R. Tönjes, and W. Wang. "Test-Enabled Architecture for IoT Service Creation and Provisioning." In The Future Internet, pp. 233-245. Springer Berlin Heidelberg, 2013.
M. Knappmeyer, S. Kiani, E. Reetz, N. Baker, R. Tönjes: "Survey of Context Provisioning Middleware " IEEE Communications Surveys & Tutorials, accepted for publication, 2013.
E. Reetz, D. Kuemper, K. Moessner, R. Tönjes, "How to Test IoT Services before Deploying them into Real World," in Proc. 19th European Wireless Conference (EW2013), Guildford, UK, Apr. 2013.

2012

U. Trick, M. Steinheimer, P. Ruhrig, R. Tönjes, D. Hölker: Smart Grid-Integration von Haushalten mittels Vernetzung und Energie-Community. Akzeptiert für VDE-Kongress 2012 „Smart Grid – Intelligente Energieversorgung der Zukunft“, Stuttgart, November 2012
U. Trick, M. Steinheimer, P. Ruhrig, R. Tönjes, D. Hölker, M. Fischer: Herausforderungen an die Kommunikationstechnik im Smart Home/Grid. VDE/ITG Fachtagung Mobilkommunikation 2012, Osnabrück, Mai 2012
E.S. Reetz, M. Knappmeyer, S.L. Kiania, A. Anjumc, N. Bessisc, R. Tönjes, "Performance Simulation of a Context Provisioning Middleware based on Empirical Measurements", accepted for Simulation Modelling Practice and Theory, International Journal of the Federation of European Simulation Societies - EUROSIM, 2012
R. Tönjes, E.S. Reetz, K. Moessner, P. Barnaghi, "A Test-driven Approach for Life Cycle Management of Internet of Things enabled Services", accepted for 21th Future Networks & Mobile Summit 2012 Conference Proceedings, Berlin, Germany, June 2012
F. Nordemann, R. Tönjes: Transparent and Autonomous Store-carry-forward Communication in Delay Tolerant Networks (DTNs), IEEE International Conference on Computing, Networking and Communications (ICNC), January 30 - February 02, 2012, Maui, Hawaii, USA.
E.S. Reetz, M. Knappmeyer, S.L. Kiani, N. Baker and R. Tönjes, "Performance Evaluation of a Context Provisioning Middleware", IEEE International Conference on Computing, Networking and Communications (ICNC), January 30 - February 02, 2012, Maui, Hawaii, USA.

2011

M. Fischer, R. Tönjes, R. Lasch: “A New Approach for Automatic Generation of Tests for Next Generation Network Communication Services”, accepted for 6th IEEE International Workshop on Service Oriented Architectures in Converging Networked Environments (SOCNE 2011), Toulouse, France, 5.-9. Sep. 2011.
J. Quindt, E. Reetz, V. Kukuck, R. Tönjes, C. Westerkamp: “ Agent Based Decision Support System for Optimizing Logistical Processes in Agricultural Production”, accepted for 9th IEEE International Conference on Industrial Informatics (INDIN 2011), Lisbon, Portugal, 26.-29. July 2011.
Ikram, N. Baker, M. Knappmeyer, E.S. Reetz, R. Tönjes: “An Artificial Chemistry based Framework for Personal and Social Context Aware Smart Spaces”, Proceedings of 7th International Wireless Communications and Mobile Computing Conference (IWCMC 2011), Istanbul, July 2011.
D. Kümper, R. Tönjes: “Remote Configuration and Deployment of Sensor Drivers for a Medical Bluetooth Sensor Gateway”, IEEE International Symposium on a World of Wireless Mobile and Multimedia Networks (WoWMoM 2011), Lucca, Italy, 20.-23. June 2011.
M. Knappmeyer, E. Wittkorn, S.L. Kiani, R. Tönjes and N. Baker: “Context Provisioning Middleware with Probabilistic Reasoning Support”, Proceedings of the 20th Future Network and Mobile Summit, Warsaw, Poland, June 2011.
D. Kümper, R. Tönjes: “Performance Evaluation of a Generic Driver for Medical Bluetooth Sensors”, Proceedings of the 20th Future Network and Mobile Summit, Warsaw, Poland, June 2011.
R. Tönjes, M. Fischer, P. Wacht: “Test-controlled Development of Communication Services”, 10th TTCN-3 User Conference 2011 (T3UC 2011), Bled, Slovenia, 7.-9. June 2011.
P. Wacht, T. Eichelmann, A. Lehmann, U. Trick, R. Lasch, M. Fischer, R. Tönjes: „ComGeneration: die Dienstebeschreibung als Basis für automatisierte Tests“, 16. VDE/ITG Fachtagung Mobilkommunikation, Osnabrück, 18.-19. Mai 2011.
J. Quindt, E. Reetz, V. Kukuck, R. Tönjes, C. Westerkamp: „Eine Architektur für verteilte Entscheidungsprozesse auf kooperierenden Landmaschinen”, 16. VDE/ITG Fachtagung Mobilkommunikation, Osnabrück, 18.-19. Mai 2011.
M. Knappmeyer, S.L. Kiani, N. Baker, A. Ikram and R. Tönjes: “Survey on Evaluation of Context Provisioning Middleware”, Workshop on Context-Systems Design, Evaluation and Optimisation in conjunction with the 24th International Conference on Architecture of Computing Systems (ARCS), Como, Italy, February 2011.
Ikram, N. Baker, M. Knappmeyer, R. Tönjes: “A Chemical Model to enable Context Awareness”, Proceedings of 4th IFIP International Conference on New Technologies, Mobility and Security (NTMS), Paris, France, February 2011.

2010

S.L. Kiani, M. Knappmeyer, E.S. Reetz, N. Baker, R. Tönjes: “Effect of Caching in a Broker based Context Provisioning System”, Proceedings of the 5th European Conference on Smart Sensing and Context, Passau, Germany, Nov. 2010. (to be published)
M. Knappmeyer, S.L. Kiani, N. Baker, R. Tönjes: “Modular Context Processing and Provisioning - Prototype Experiences”, Proceedings of The 4th ACM International Workshop on Context-Awareness for Self-Managing Systems, in conjunction with the 12th ACM International Conference on Ubiquitous Computing (UbiComp 2010), Copenhagen, Denmark, September 2010. (to be published)
E.S. Reetz, R. Tönjes, N. Baker: “Towards Global Smart Spaces: Merge Wireless Sensor Networks into Context-Aware Systems”, IEEE International Symposium on Wireless Pervasive Computing, Modena, Italy, May 2010.
P. Wacht, A. Lehmann, T. Eichelmann, U. Trick, M. Fischer, R. Lasch, R. Tönjes: „Ein neues Verfahren zum automatisierten Testen von Mehrwertdiensten“, 15. VDE/ITG Fachtagung Mobilkommunikation, Osnabrück, 19.-20. Mai 2010.
D. Kümper, E. Reetz, R. Tönjes: „Kontextsensitive Dokumentation und Kommunikation für Pflegedienste“, 15. VDE/ITG Fachtagung Mobilkommunikation, Osnabrück, 19.-20. Mai 2010.
M. Albrecht, R. Behrens, M. Fischer, R. Tönjes, C. Westerkamp: „Integration von IMS-Diensten in Unternehmensanwendungen am Beispiel einer Audio/Dokumentenkonferenz“, 15. VDE/ITG Fachtagung Mobilkommunikation, Osnabrück, 19.-20. Mai 2010.

2009

R. Tönjes (edt.): “Context Provisioning and User Profiling for User-Centric Services”, White Paper, eMobility Technology Platform, Oct. 2009.
M. Knappmeyer, N. Baker, S. Liaquat Kiani, R. Tönjes: “A Context Provisioning Framework to Support Pervasive & Ubiquitous Applications”, 4th European Conference on Smart Sensing and Context, Guildford, UK, September 2009.
M. Knappmeyer, R. Tönjes, N. Baker: “Modular and Extendible Context Provisioning for Evolving Mobile Applications and Services”, 18th ICT Mobile Summit, Santander, Spain, June 2009.
R. Lasch, B. Ricks, R. Tönjes: „Konzept eines BPEL zu JSLEE Compilers auf Basis wiederverwendbarer Kommunikationsbausteine“. 14. VDE/ITG Fachtagung Mobilkommunikation, Osnabrück, 13.-14. Mai 2009.
Lehmann, T. Eichelmann, U. Trick; B. Ricks, R. Lasch, R. Tönjes: “TeamCom: A Service Creation Platform for Next Generation Networks”, Proc. of ICIW 2009, Venice, May 2009.
R. Lasch, B. Ricks, R. Tönjes: “Service Creation Environment for Business-to-business Services”. “4th International IEEE Workshop on Service Oriented Architectures in Converging Networked Environments”, IEEE AINA, Bradford, UK, 26. - 29. Mai, 2009.

2008

M. Knappmeyer, R. Chiang, N. Baker, R. Tönjes: „Scheduling Techniques for Mobile Broadcast and Multicast Services”, in „Advances in mobile and wireless communications – views of the 16th IST Mobile and Wireless Communication Summit“, chapter 11, Springer, 2008.
E. Reetz, R. Höckmann, R. Tönjes: “Performance Evaluation of Topologies for Cooperative and Dynamic Resource Relaying”, European Wireless Conference 2008, Prague, Czech Republic, June 2008.
R. Höckmann, C.A. Jötten, C. Sgraja, C. Christophorou, A. Panayides, A. Pitsillides, R. Chiang, E.S. Reetz, R. Tönjes. “Evaluation of RAN concepts for enhancing MBMS in the framework of C-MOBILE”, 17th ICT Mobile Summit 2008, Stockholm, Sweden, June 2008.
E. Reetz, R. Höckmann, R. Tönjes: “Performance Study on Cooperative Relaying Topologies in beyond 3G Systems”, 17th ICT Mobile Summit 2008, Stockholm, Sweden, June 2008.
E. Reetz, B. Ricks, R. Lasch, R. Tönjes: “Performance Measurements of Mobile WiMAX in Urban and Sub-Urban Areas”, 13th VDE/ITG Mobilfunktagung, Osnabrueck, Germany, May 2008.

2007

M. Knappmeyer, B. Ricks, A. Al-Hezmi, R. Tönjes, “Advanced Multicast and Broadcast Content Distribution in Mobile Cellular Networks”, accepted for 50th Annual IEEE Global Telecommunications Conference (GLOBECOM 2007), Washington, 26. -30. November 2007.
Al-Hezmi, M. Knappmeyer, B. Ricks, F. Cabral Pinto, R. Tönjes, “Enabling IMS with Multicast and Broadcast Capabilities”, 18th Annual IEEE International Symposium on Personal, In-door and Mobile Radio Communications (PIMRC 2007), Athens, 3.-7. September 2007.
M. Knappmeyer, R. Chiang, N. Baker, R. Tönjes, “End-to-end Scheduling Techniques for Mobile Broadcast and Multicast Services “, 16th IST Mobile & Wireless Communications Summit, Budapest, 1.-5. July 2007.
B. Ricks, M. Knappmeyer, R. Tönjes, “Evolution des IP Multimedia Subsystem für mobile Broadcast-Dienste” (Evolution of the IP Multimedia Subsystem for Mobile Broadcast Services), 12. VDE/ITG Mobilfunktagung, Osnabrück, 30. – 31. May 2007.
M. Knappmeyer, R. Tönjes, “Adaptive Data Scheduling for Mobile Broadcast Carousel Services”, IEEE 65th Vehicular Technology Conference (VTC2007-Spring), Dublin, 22. – 25. April 2007.

2006

E. Alexandri, J. Antoniou, T. Clessienne, A. Correia, R. Dinis, E. Hepsaydir, R. Höckmann, H. Schotten, C. Sgraja, R. Tönjes, N. Souto, S. Wendt: “RAN Enhancements for Advanced Multimedia Broadcasting and Multicasting Services”, Wireless World Research Forum Meeting 17, Heidelberg, 15 – 17 November 2006.
R. Höckmann, R. Tönjes, B. Xu: “Multimedia Broadcast Multicast Services: Status und Evolution”, VDE/ITG Mobilfunktagung, Osnabrück, 17. - 18. Mai 2006.

2005

M. Wolf, T. Leinmüller, A. Petrescu, C. Janneteau, H. Lach, C. Barz, M. Frank, M. Pilz, M. Rónai, K Fodor, R. Tönjes: “IPv6 based OverDRiVE Moving Networks for Vehicles”, IEEE Vehicular Technology Society (VTS) News, 2005.
M. Eyrich, M. Majanen, E. Perera, R. Toenjes, R. Boreli, T. Leinmueller: “GSA: An Architecture for Optimising Gateway Selection in Dynamic Routing Groups”, The 16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), Berlin, 11. – 14. September, 2005.
R. Tönjes: „Technologien und Architekturen für mobile Multicast-Dienste“, 10. VDE ITG Fachtagung ‚Mobilfunk – Technologien und Anwendungen’, ISBN 3-8007-2902-4, VDE Verlag, Berlin, 1-2. Juni, 2005.

2004

P. Leaves, D. Grandblaise, R. Tönjes, K. Moessner, M. Breveglieri, D. Bourse, R. Tafazolli: “Dynamic Spectrum Allocation in Composite Reconfigurable Wireless Networks”, IEEE Communications Magazine, May 2004.
R. Tönjes, C. Simon, T. Lohmar, C. Janneteau, P. Casagranda: „Broadcast/Multicast Services in Multi-Access Architectures“, 12th WWRF – Wireless World Research Forum, Toronto, 4-5 November, 2004.
R. Tönjes, U. Horn, F. Hartung: “Business and Technology Challenges for Mobile Broadcast Services in 3G”, 12th WWRF – Wireless World Research Forum, Toronto, 4-5 November, 2004.
R. Tönjes, K. Mößner, T. Lohmar, M. Wolf: “OverDRiVE Conclusions - Resource Sharing in Hybrid Radio Networks“, IST Mobile Summit, Lyon, 27-30 June 2004.
M. Rónai, K. Fodor, R. Tönjes: “IPv6 Moving Network Testbed with Radio Aware Handover Enhancements”, IST Mobile Summit, Lyon, 27-30 June 2004.
Petrescu, H.-Y. Lach, C. Janneteau, M. Wolf, T. Leinmüller, C. Barz, M. Pilz, M. Frank, R. Tönjes: “IPv6-based OverDRiVE Moving Networks : Mobility Management and Testbed Implementation”, IST Mobile Summit, Lyon, 27-30 June 2004.

2003

R. Keller, R. Tönjes: ”Multi-Access in Future Generations”, Wireless Personal Communications, 26(2-3):93--104, 2003.
M. Ronai, R. Tönjes, M. Wolf, A. Petrescu: “Mobility Issues in OverDRiVE Mobile Networks”, IST Mobile Summit, Aveiro, Portugal, 15-18. June 2003.
T. Lohmar, R. Keller, R. Tönjes, F. Hundscheidt: "Large User Group Support in Mobile Networks", 9th WWRF – Wireless World Research Forum, Zurich, 1-2 July, 2003.
H.-Y. Lach, R. Tönjes (Hrsg.): “Systems Beyond 3G Cluster Report”, European Commission, Brussels, 31. Oct. 2003.

2002

R. Tönjes, K. Mößner, T. Lohmar, M. Wolf: "OverDRiVE - Spectrum Efficient Multicast Services to Vehicles", IST Mobile Summit, Thessaloniki,16-19.June, 2002.
R. Tönjes: "DSA and Reconfigurability Requirements", 2nd European Colloquium on Reconfigurable Radio, Athens, 20-22. June 2002.
T. Lohmar, F. Hundscheidt, R. Keller, R. Tönjes: „Multi-user Services in IMT-2000“, Networks 2002, Munich, 2002.
R. Tönjes, T. Lohmar, M. Vorwerk, R. Keller: „Flow Control for Multi-Access Systems'“, IEEE International Symposium on Personal, Indoor and Mobile Radio Communication (PIMRC 2002), Lisbon, 15-18. Sep.2002.
T. Lohmar, F. Hundscheidt, R. Keller, R. Tönjes: „Interactive Broadcast Services within IMT-2000 and beyond Systems”, Wireless World Research Forum, Eindhoven, Netherlands, 3 - 4th December 2002.

2001

M. Frank, Th. Göransson, W. Hansmann, O. Johansson, Th. Lohmar, T. Paila, R. Tönjes, L. Xu: "Mobility management in a hybrid radio system", RSRCP Journal - Réseaux et systèmes répartis, calculateurs parallèles, Special Issue on Mobility and Internet, Hermes Science Publications, Volume 13, No. XXX, 2001.
R. Keller, T. Lohmar, R. Tönjes, J. Thielecke: "Convergence of Broadcast and New Telecom Networks”, Wireless Personal Communications Magazine, 17, pp. 269-282, Kluwer Academic Publishers, Netherlands, 2001.
R. Keller, T. Lohmar, R. Tönjes, J. Thielecke: “Convergence of Cellular and Broadcast Networks from a Multi-Radio Perspective“, IEEE Personal Communications, 8(2): 51-56, 2001.
R. Tönjes: „Wissensbasierte Interpretation und 3D-Rekonstruktion von Landschaftsszenen aus Luftbildern“, Künstliche Intelligenz, Heft 4/01 pp. 39-49, arendtap Verlag, Bremen, 2001.
Louis Christodoulides, Tony Sammut, Ralf Tönjes: "DRiVE towards systems beyond 3G", SCI 2001; Orlando; 22.-25. July 2001.
M. Annoni, R. Hancock, T. Paila, E. Scarrone, R. Tönjes, L. Dell'Uomo, D. Wisely: "Radio Access Networks beyond the 3rd Generation: A first Comparison of Architectures of 4 IST Projects", Mobile Summit 2001; Barcelona; 10.-12. September 2001.
T. Paila, S. Alladin, M. Frank, T. Göransson, W. Hansmann, T. Lohmar, R. Tönjes, L. Xu: "Flexible Network Architecture for Future Hybrid Wireless Systems", Mobile Summit 2001; Barcelona; 10.-12. September 2001.
R. Tönjes, R. Keller, S. Aladdin: "Multi-Access: The Key Driver Beyond 3G", International Symposium 3G Infrastructure and Services, Athens, 2-3 July 2001.
M. Annoni, R. Hancock, T. Paila, E. Scarrone, R. Tönjes, L. Dell'Uomo, D. Wisely: "Radio Access Networks beyond 3G: A first Comparison of Architectures", IEEE International Symposium on Personal, Indoor and Mobile Radio Communication (PIMRC 2001), San Diego, 30.9 - 3.10 2001.

2000

R. Tönjes, et al.: "Architecture for Future Generation Multi-access Wireless System with Dynamic Spectrum Allocation", Mobile Summit 2000, Galway, Ireland, 1-4. October 2000.
L. Xu, R. Tönjes, T. Paila, W. Hansmann, M.Frank, M. Albrecht: "DRiVE-ing to the Internet: Dynamic Radio for IP Services in Vehicular Environments", Local Computer Networks LCN 2000, Tampa, Florida, 9-10 November 2000.
R. Keller, R. Tönjes, J. Huschke: "Dynamic Spectrum Allocation for Mobile Interactive Multimedia Systems", European Wireless 2000, Dresden, 12-14. Sep. 2000.

1999

R. Tönjes: „Wissensbasierte Interpretation und 3D-Rekonstruktion von Landschaftsszenen aus Luftbildern“, Dissertation, Fortschritt-Berichte VDI Reihe 10 Nr. 575, VDI Verlag, Düsseldorf, 1999.
R. Tönjes: „Wissensbasierte Interpretation und 3D-Rekonstruktion von Landschaftsszenen aus Luftbildern“, in GI Dissertationspreise: Ausgezeichnete Informatikdissertationen 1998, B.G. Teubner, Stuttgart, 1999.
R. Tönjes, S. Growe, J. Bückner, C.-E. Liedtke: „Knowledge-Based Interpretation of Remote Sensing Images Using Semantic Nets“, Photogrammetric Engineering & Remote Sensing, Vol. 65, No. 7, pp. 811-821, July 1999.

1998

S. Growe, P.Schulze, R. Tönjes, 3D Visualization and Evaluation of Remote Sensing Data, Computer Graphics International 98 (CGI'98), Hannover, Germany, 22-26 June, 1998.
R. Tönjes, S. Growe: „Knowledge Based Road Extraction from Multisensor Imagery“, ISPRS Symposium ‚Object Recognition and Scene Classification from Multispectral and Multisensor Pixels’, Columbus, Ohio, USA, 6-10 July 1998.
S. Growe, R. Tönjes: „Use of Explicit Knowledge and GIS Data for the 3D Evaluation of Remote Sensing Images“, International Conference on Pattern Recognition (ICPR'98), Brisbane, Australia, 17-20 August, 1998.
R.Tönjes, C.-E. Liedtke: Knowledge Based Interpretation of Aerial Images Using Multiple Sensors, European Signal Processing Conference EUSIPCO 98, Island of Rhodes, Greece, September 8-11, 1998.

1997

S. Growe, R. Tönjes: "A Knowledge Based Approach to Automatic Image Registration" International Conference on Image Processing 97 (ICIP 97), Santa Barbara, USA, 26-29 October 1997.
C.-E. Liedtke, J. Bückner, O. Grau, S. Growe, R. Tönjes: "AIDA: A System for the Knowledge Based Interpretation of Remote Sensing Data", Proceedings of the Third International Airborne Remote Sensing Conference and Exhibition, Copenhagen, Denmark, 7-10 July, 1997.
R. Tönjes: "3D Reconstruction of Objects from Aerial Images Using aGIS", Workshop on Theoretical and Practical Aspects of Surface Reconstruction and 3-D Object Extraction, Haifa, Israel, September, 9-11, 1997
K. Pakzad, H. Koch, R. Tönjes: "Knowledge Based Interpretation of Aerial Images and Maps Using Digital Landscape Model as Partial Interpretation", Workshop on "Semantic Modeling of Topographic Information from Images and Maps", (SMATI'97), Bonn, Germany, 21-23 May 1997.

1996

R.Tönjes: „Knowledge Based Modelling of Landscapes“, XVIII. Congress of International Society of Photogrammetry and Remote Sensing, Vienna, 9.-19.July 1996.
R.Tönjes: „Control of Scene Reconstruction Using Explicit Knowledge“, IEEE Workshop on Applications of Computer Vision, Sarasota, Florida, December 2-4, 1996.

1995

R. Tönjes: „Wissensbasierte Modellierung von Landschaften für die Visualisierung“. Deutsche Gesellschaft für Photogrammetrie und Fernerkundung, 15. Wissenschaftlich-Technische Jahrestagung. Hannover 4.-6. Oct. 1995.
R. Tönjes, O. Grau: „Automatisierte Generierung realistischer 3D-Modelle für Simulatoren“, 4. Workshop Sichtsysteme - Visualisierung in der Simulationstechnik, Bremen 23/24 Nov. 1995.

1994

R. Tönjes, O. Grau, R. Koch: „Analyse durch Synthese Modellierung von 3D Objekten in Stereobildfolgen“, 1. Workshop Visual Computing, Darmstadt, 16.-17. March 1994.
R. Tönjes: „Image Sequence Analysis for on line Observation of Thrombus Formation in Blood Vessels“, European Signal Processing Conference, Edinburgh, 13.-16. Sep. 1994.
R. Tönjes: „Realistic Landscape Modelling with High Level of Detail“, IEEE International Conference on Image Processing, Austin, Texas, 13.-16. Nov. 1994.
O. Grau, R. Tönjes: „Knowledge Based Modelling of Natural Scenes. European Workshop on Conbined Real and Synthetic Image Processing for Broadcast and Video Production“, Hamburg, 23.-24. Nov.1994.

Presentations (Invited Talks and Key Notes)

R. Tönjes: „Challenges and Opportunities for Mobile Broadcast“, B-Bone Workshop, 15th IST Mobile and Wireless Communications Summit, Mykonos, 4-8th June, 2006.
R. Tönjes: “Is 3G MBMS suitable for Mobile Video?“, Workshop on "Telecom and Media synergies in the 21st century", 15th IST Mobile and Wireless Communications Summit, Mykonos, 4-8th June, 2006.
R. Tönjes: “Mobile Broadcast: Challenges and Opportunities”, Panel on ‘Convergence of Mobile and Broadcast’, The 16th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), Berlin, 11. – 14. September, 2005.
R. Tönjes: "DAB/DVB-X - aktueller Stand der Technik", VDE Osnabrück-Emsland e.V., Osnabrück, 4. Oktober. 2005.
R. Tönjes: “MBMS – Towards Mobile Mass Media Services”, RTCM Workshop on Mobile Communication, Aveiro, Portugal, 18. February 2005.
R.Tönjes: Systems Beyond 3G, Euro-India Workshop, Neu-Delhi, India, 24-26.March, 2004.
R. Tönjes: “Dynamic Spectrum Allocation in Converged Cellular/Broadcasting Networks”, Workshop on "Advanced Wireless Technologies: Implications for Spectrum Management", Brussels, 10. October 2003.
R. Tönjes (Key Note): „3G and Beyond“, IST Mobile Summit, Thessaloniki, 17. June, 2002.
R. Tönjes: Mobile Multimedia Dienste für Fahrer und Beifahrer, Management-Circle Seminar „Multimedia im Auto“, Frankfurt, 16. Jan. 2002.
R. Tönjes: "Mobile Kommunikation der Zukunft: DRiVE und COMCAR", Internationale Funkausstellung (IFA) 2001: Talk im TWF, Berlin, 30. August 2001.

Patente

[1] J. Huscke, R. Keller, J. Thielecke, R. Tönjes, U. Wachsmann, W. Stahl: “Cellular Radio Networks Reusing Frequencies”, Patent WO0237881 (A1), EP1204283 (A1), US2007042778 (A1), US2004092256 (A1) , filed by Ericsson Telefon AB, Mai. 2002.
(Patent database [insert link: v3.espacenet.com/publicationDetails/biblio] )
[2] R. Tönjes, T. Lohmar, R. Keller, F. Hundscheidt: “ Group hopping and channel zapping during transmission of multicast applications”, Patent US2006268873 (A1), WO2004051926 (A1), EP1566013 (A1), AU2002352185 (A1), filed by Telefonaktiebolaget L M Ericsson, Nov. 2006, (Patent database [insert link: v3.espacenet.com/publicationDetails/biblio] )
[3] R. Tönjes, G. Fodor: “Method and Apparatus for Broadcasting Push-to-Talk Group Sessions”, Patent US2009252084 (A1), WO2007011271 (A1), JP2009502092 (T), EP1922888 (A1), filed by Ericsson Telefon AB, Oct. 2009.
(Patent database [insert link: v3.espacenet.com/publicationDetails/biblio] )
[4] J. Huschke, R. Tönjes, U. Horn: “Transmission of Composite Digital Broadcast Information”, Patent WO2006066607 (A1), EP1836785 (A1), JP2008524943 (T), filed by Ericsson Telefon AB, June 2006.
(Patent database [insert link: v3.espacenet.com/publicationDetails/biblio)
[5] J. Huscke, R. Keller, J. Thielecke, R. Tönjes, U. Wachsmann, W. Stahl: “Cellular Radio Networks Reusing Frequencies”, Patent EP1827040 (A1), filed by Ericsson Telefon AB, Aug. 2007.
(Patent database [insert link: v3.espacenet.com/publicationDetails/biblio

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Publikationen und Patente

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

1995

1994

Presentations (Invited Talks and Key Notes)

Patente