In the following I listed all my published submissions. A link leads to the paper, optional presentation, and the respective digital library.
Currently no open papers
B. Huntgeburth, M. Maruschke, S. Schumann: "Open-Source Based Prototype for Quality of Service (QoS) Monitoring and Quality of Experience (QoE) Estimation in Telecommunication Environments", 5th International Conference on Next Generation Mobile Applications, Services and Technologies (NGMAST), 14.-16. September 2011, Cardiff, Wales, UK
E. Mikoczy, T. Koski, M. Heinikangas, S. Schumann, P. Podhradsky: "Hybrid IPTV Services with IMS - Integration of IMS based IPTV with Broadcast and Unicast Mobile TV Services Using DVB-H", 5th International Conference on Next Generation Mobile Applications, Services and Technologies (NGMAST), 14.-16. September 2011, Cardiff, Wales, UK
P. Podhradsky, O. Labaj, E. Mikoczy, R. Kadlic, S. Schumann, J. Matejka, J. Mikula: "NGN Protocols and NGN Architectures", Study material on a CD, Bilangual publication (English, Slovak), September 2011
E. Mikoczy, S. Schumann, P. Podhradsky: "Personalization of Internet Protocol Television (IPTV) Services in Next-Generation Networks (NGN) Architectures", 8th International Conference on Advances in Mobile Computing & Multimedia (MoMM2010), 8.-10. November 2010, Paris, France
B. Huntgeburth, S. Schumann, J. Londak: "Voice over IP (VoIP) Speech Quality Measurement with Open-Source Software Components", 52nd International Symposium ELMAR 2010, 15.-17. September 2010, Zadar, Croatia
S. Schumann, M. Maruschke, E. Mikoczy: "The Potential of Consolidating SIP and XMPP Based Communication for Telecommunication Carrier", Open NGN and IMS Testbeds Workshop (ONIT) 2010, 18. May 2010, Berlin, Germany
S. Schumann, O. Labaj, P. Podhradsky: "Building complex Voice over IP (VoIP) applications based on open-source", 51st International Symposium ELMAR 2009, 28.-30. September 2009, Zadar, Croatia
M. Golha, O. Labaj, S. Schumann, P. Podhradsky: "Seamless WiFi-roaming in IMS network", 51st International Symposium ELMAR 2009, 28.-30. September 2009, Zadar, Croatia
S. Schumann, E. Mikoczy, P. Podhradsky, F. Muruchi, M. Maruschke: "Presence management and merging presence information for NGN services", 2nd Joint IFIP Wireless and Mobile Networking Conference (WMNC) 2009, 9.-11. September 2009, Gdansk, Poland
E. Mikoczy, S. Schumann, H. Stokking, M. O. v. Deventer, O. A. Niamut: "Combinational Services for NGN based IPTV", 5th International Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities (Tridentcom) 2009, 6.-8. April 2009, Washington D.C., USA
S. Schumann, E. Mikoczy, S. Massner, M. Maruschke: "Presence service integration using interconnected IP Multimedia Core Networks (IM-CN)", Open NGN and IMS Testbeds Workshop (ONIT) 2009, 6.-8. April 2009, Washington D.C., USA
E. Mikoczy, P. Podhradsky, J. Matejka, O. Labaj, R. Tomek, R. Kadlic, S. Schumann, S. Massner, M. Dungel, I. Kotuliak, J. Mikula: Handbook "NGN Protocols", LdV projekt Train2Cert, 2008
R. Vargic, M. Krhla, S. Schumann, I. Kotuliak: "IMS interworking using IBCF", ICCIT 2008, 25.-27. December 2008 , Khulna 9203, Bangladesh
If you are interested in any of those papers or related work, please contact me.