Books and Book Editorships
M Happenhofer (ed.):
"Location Based Services im IP Multimedia Subsystem: Eine Architektur und Implementierung";
VDM-Verlag Dr. Müller,
2008,
ISBN: 978-3836468787;
164 pages.
Publications in Scientific Journals
C. Egger, M Happenhofer, J. Fabini, P. Reichl:
"Collapse Detection and Avoidance for SIP Architectures";
PIK,
35
(2012),
35;
91
- 99.
More information
M Happenhofer, J. Fabini, C. Egger, M. Hirschbichler:
"An Architectural and Evaluative Review of Implicit and Explicit SIP Overload Handling";
International Journal of Measurement Technologies and Instrumentation Engineering (IJMTIE) (invited),
International Journal of Measurement Technologies and Instrumentation Engineering (IJMTIE)
(2011),
Volume 1, Issue 4;
12
- 27.
More information
L. Wallentin, M Happenhofer, C. Egger, J. Fabini:
"XML meets Simulation: Concepts and Architecture of the IBKSim Network Simulator";
Eurosim - Simulation News Europe,
20
(2010),
1;
16
- 20.
More information
J. Zeiss, R. Gabner, S. Bessler, M Happenhofer:
"The SHIP: A SIP to HTTP Interaction Protocol Advanced Thin-Client Architecture for IMS Applications";
Lecture Notes in Business Information Processing,
45
(2010),
30
- 43.
More information
Talks and Poster Presentations (with Proceedings-Entry)
C. Egger, M Happenhofer, M. Hirschbichler:
"A Study of SIP Proxy Load Patterns";
Talk: Measurements & Networking 2011,
Anacapri, Italy;
10-10-2011
- 10-11-2011; in: "The IEEE International Workshop M&N 2011",
(2011),
ISBN: 978-1-4577-0456-7;
6 pages.
More information
C. Egger, M Happenhofer, P. Reichl:
"SIP Proxy High-Load Detection by Continuous Analysis of Response Delay Values";
Talk: 2011 International Conference on Software, Telecommunications and Computer Networks (SoftCOM),
Hvar, Croatia;
09-15-2011
- 09-17-2011; in: "2011 International Conference on Software, Telecommunications and Computer Networks",
(2011),
5 pages.
More information
M Happenhofer, C. Egger:
"Implicit SIP Proxy Overload Detection Mechanism based on Response Behavior";
Talk: 2011 International Conference on Software, Telecommunications and Computer Networks (SoftCOM),
Hvar, Croatia;
09-15-2011
- 09-17-2011; in: "2011 International Conference on Software, Telecommunications and Computer Networks",
(2011),
5 pages.
More information
M Happenhofer, P. Reichl:
"Quality of signaling (QoSg) metrics for evaluating SIP transaction performance";
Talk: 2010 International Conference on Software, Telecommunications and Computer Networks (SoftCOM),
Split, Dubrovnik, Croatia;
09-23-2010
- 09-25-2010; in: "Software, Telecommunications and Computer Networks (SoftCOM), 2010 International Conference on",
(2010),
ISBN: 978-1-4244-8663-2;
270
- 274.
More information
M Happenhofer, C. Egger, P. Reichl:
"Quality of signalling: A new concept for evaluating the performance of non-INVITE SIP transactions";
Talk: 22nd International Teletraffic Congress (ITC), 2010,
Amsterdam;
09-07-2010
- 09-09-2010; in: "22nd International Teletraffic Congress (ITC), 2010",
(2010),
ISBN: 978-1-4244-8837-7;
1
- 8.
More information
L. Wallentin, J. Fabini, C. Egger, M Happenhofer:
"Cashflow: A Channel-Oriented, Credit-Based Virtual Currency System for Establishing Fairness in Ad-Hoc Networks with Selfish Nodes";
Talk: ADHOCNET 2010,
Victoria, British Columbia, Canada;
08-18-2010
- 08-20-2010; in: "ADHOCNET2010",
ICST,
(2010),
ISBN: 978-963-9799-96-7;
16 pages.
More information
M Happenhofer, P. Reichl:
"Measurement-Based Analysis of Head-of-Line Blocking for SIP over TCP";
Talk: Modeling, Analysis & Simulation of Computer and Telecommunication Systems (MASCOTS), 2010 IEEE International Symposium on,
Miami Beach, FL;
08-17-2010
- 08-19-2010; in: "Modeling, Analysis & Simulation of Computer and Telecommunication Systems (MASCOTS), 2010 IEEE International Symposium on",
(2010),
ISBN: 978-1-4244-8181-1;
244
- 253.
More information
C. Egger, M Happenhofer, J. Fabini, P. Reichl:
"BIQINI: A Flow-based QoS Enforcement Architecture for NGN Services";
Talk: 2nd Open NGN and IMS Testbeds Workshop @ TRIDENTCOM 2010,
Berlin;
05-18-2010; in: "Proceedings CD of the 6th International ICST Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities",
ICST Gent,
(2010),
ISBN: 978-963-9799-92-9;
16 pages.
More information
L. Wallentin, J. Fabini, C. Egger, M Happenhofer:
"A Cross-Layer Route Discovery Strategy for Virtual Currency Systems in Mobile Ad Hoc Networks";
Talk: Seventh International Conference on Wireless On-demand Network Systems and Services (WONS 2010),
Kranjska Gora, Slovenia;
02-03-2010
- 02-05-2010; in: "Proceedings of the Seventh International Conference on Wireless On-demand Network Systems and Services (WONS 2010)",
(2010),
ISBN: 978-1-4244-6060-1;
91
- 98.
More information
J. Zeiss, R. Gabner, S. Bessler, M Happenhofer:
"SHIP - SIP HTTP Interaction Protocol - Proposing a Thin-client Architecture for IMS Applications";
Talk: Fifth International Conference on Web Information Systems and Technologies,
Lisbon, Portugal;
03-23-2009
- 03-26-2009; in: "Proceedings of the Fifth International Conference on Web Information Systems and Technologies",
INSTICC Press,
(2009),
ISBN: 978-989-8111-81-4;
21
- 28.
P. Reichl, J. Fabini, M Happenhofer, C. Egger:
"From QoS to QoX: A Charging Perspective";
Talk: 18th ITC Specialist Seminar on Quality of Experience,
Karlskrona, Sweden;
05-29-2008
- 05-30-2008; in: "Proceedings of the 18th ITC Specialist Seminar on Quality of Experience",
Proceedings 18th ITC Specialist Seminar on Quality of Experience,
Blekinge Institute of Technology, Research Report No. 2008:03
(2008),
ISSN: 1103-1581;
35
- 44.
More information
J. Fabini, P. Reichl, C. Egger, M Happenhofer, M. Hirschbichler, L. Wallentin:
"Generic Access Network Emulation for NGN Testbeds";
Talk: 2008 4th International Conference on Testbeds and Research Infrastructure for the Development of Networks & Communities (Trident Com2008),
Innsbruck, Österreich (invited);
03-18-2008
- 03-20-2008; in: "Proceedings of the 2008 4th International Conference on Testbeds and Research Infrastructure for the Development of Networks & Communities",
(2008),
ISBN: 9789639799240;
Paper ID 3135,
10 pages.
More information
J. Fabini, R. Pailer, M Happenhofer:
"Terminal-Centric Location Services for the IP Multimedia Subsystem";
Talk: IEEE 63rd Semiannual Vehicular Technology Conference (VTC 2006 - Spring),
Melbourne, Australia;
05-07-2006
- 05-10-2006; in: "Proceedings of VTC 2006 Spring",
(2006),
ISBN: 0-7803-9392-9;
5 pages.
Talks and Poster Presentations (without Proceedings-Entry)
J. Fabini, R. Pailer, M Happenhofer, P. Reichl et al.:
"A Terminal-Centric IMS Location Enabler based on OpenSource-IMS and BEA";
Talk: 3rd International FOKUS IMS Workshop 2007: "IMS Deployment reviewed in Face of Triple Play, IPTV, SOA and Web 2.0",
Fraunhofer Institute FOKUS, Berlin, Germany (invited);
11-15-2007
- 11-16-2007.
Doctor's Theses (authored and supervised)
M Happenhofer:
"Transaction-based Signaling Performance in Next Generation Networks";
Supervisor, Reviewer: H.R. van As, P. Reichl;
E389,
2011;
oral examination: 03-17-2011.
Diploma and Master Theses (authored and supervised)
M Happenhofer:
"Eine Architektur für Positionsbestimmung im IP Multimedia Subsystem";
Supervisor: J. Fabini;
Institut für Breitbandkommunikation,
2006.