Chair of Computer Networks and Computer Communications
Dr. Patrick Wüchner

Dr. Patrick Wüchner

Dr. Patrick Wüchner
Kontakt:

Dr. Patrick Wüchner
Wissenschaftlicher Mitarbeiter

Lehrstuhl für Informatik mit Schwerpunkt Rechnernetze und Rechnerkommunikation


Innstraße 43
Passau

Raum:ITZ/IH 139b
Telefon:+49(0)851/509-3024
Fax:+49(0)851/509-3052
Email:Patrick.Wuechner@uni-passau.de
Homepage:http://www.net.fim.uni-passau.de/wuechner
Sprechzeiten:Mo., 14-15 Uhr
Foto Dr. Patrick Wüchner
Research Interests
  • Mathematical performance and reliability modeling of computer systems and (mobile, fixed, and heterogeneous) communication networks.
  • Investigation of self-organization.
  • Topology control and medium access in wireless sensor and actor networks.
  • Applications of queueing networks, stochastic Petri nets, and Markov chains.
  • Traffic characterization and modeling.
  • Discrete-event simulation and analytical/numerical evaluation of performance models.
  • Performance and reliability evaluation tools and methods.
  • MOSEL-2 : A Modeling, Specification, and Evaluation Language.
  • Supporting lectures, offering seminars, and/or giving tutorials in the scope of the following topics:
    • Performance modeling, analysis and discrete-event simulation
    • IP networking and main trends in service architectures, like P2P
    • Complex, self-organizing, and distributed systems
    • Wireless sensor networks
    • Energy efficiency and Smart Grid
    • Combinatorial and sequential circuits
    • Data modelling
Memberships
Own Theses and Publications
(Co-)Supervised Theses:
  • Diploma and Master Theses:
    • C. Auer: "Formal Modeling of Self-Organizing Systems" (completed: Summer 2008)
    • G. Reismüller: "Examination of the TCP Behavior in Variable Bandwidth Environments" (completed: Summer 2007)
  • Bachelor Theses:
    • A. Michelbach: "Messung und Charakterisierung von Internetverkehr" ("Measurement and Characterization of Internet Traffic", completed: Fall 2010)
    • D. Klaftenegger: "Target-Oriented Methods for Deriving Local Interaction Strategies in Self-Organizing Systems" (completed: Summer 2010)
    • Y. Wang: "Introducing internal reward-based calculation of performance measures to MOSEL-2" (completed: Spring 2007)
    • M. Straßer: "Porting the MOSEL-2 Project to Microsoft Windows Environments" (completed: Spring 2007)

Publications

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Journal articles:

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Tien V. Do, Patrick Wuechner, Tamas Berczes, Janos Sztrik and Hermann De Meer
A New Finite-source Queueing Model for Mobile Cellular Networks Applying Spectrum Renting
Asia Pacific Journal of Operational Research (APJOR), [NA]:[NA]
2014

Note: accepted; to appear

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Christopher Auer, Patrick Wuechner and Hermann De Meer
Target-Oriented Self-Structuring in Classifying Cellular Automata
Journal of Cellular Automata (JCA), 6(1):3--23
2011
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Richard Holzer, Patrick Wuechner and Hermann De Meer
Modeling of Self-Organizing Systems: An Overview
Electronic Communications of the EASST, 27:1--12
2010
ISSN: 1863-2122
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Patrick Wuechner, Janos Sztrik and Hermann De Meer
Finite-source M/M/S retrial queue with search for balking and impatient customers from the orbit
Computer Networks (ComNet), 53(8):1264--1273
2009

Note: Performance of Computer Networks: Special Issue in Memory of Dr. Gunter Bolch.

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Patrick Wuechner, Janos Sztrik and Hermann De Meer
Investigating the mean response time in finite-source retrial queues using the algorithm by Gaver, Jacobs, and Latouche
Annales Mathematicae et Informaticae (AMI), 36:143--160
2009
ISSN: 1787-5021 (Print); 1787-6117 (Online)
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Matthias Hollick, Hermann De Meer, Jens B. Schmitt and Patrick Wuechner
Modeling of Self-Organizing Systems (Guest Editorial)
Praxis der Informationsverarbeitung und Kommunikation (PIK), 31(1):2--3
2008
ISSN: 0930-5157

Note: Editorial

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Patrick Wuechner, Janos Sztrik and Hermann De Meer
The Impact of Retrials on the Performance of Self-Organizing Systems
Praxis der Informationsverarbeitung und Kommunikation (PIK), 31(1):29--33
2008
ISSN: 0930-5157
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Hermann De Meer, Patrick Wuechner, Jens B. Schmitt and Matthias Hollick
GI/ITG/MMB/KUVS Fachgespraech Performance Modeling Of Self-Organizing Systems (PMSOS'06)
Praxis der Informationsverarbeitung und Kommunikation (PIK), 29(4):258--262
2006
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Patrick Wuechner, Hermann De Meer, Joerg Barner and Gunter Bolch
A brief Introduction to MOSEL-2
Transactions Automated Control Systems, 1:210--214
2006
ISSN: 1512-3979

Books and journal issues (Ed.):

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Performance Modeling of Computer Networks - Special Issue in Memory of Dr. Gunter Bolch
Hermann De Meer and Patrick Wuechner, editor, Volume 53 of Computer Networks (ComNet)
Publisher: Elsevier B.V.,
2009
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Modeling of Self-Organizing Systems
Matthias Hollick, Hermann De Meer, Jens B. Schmitt and Patrick Wuechner, editor, Volume 31 of Praxis der Informationsverarbeitung und Kommunikation (PIK)
Publisher: K. G. Saur Verlag,
2008

Booklets:

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Patrick Wuechner, Christopher Auer, Gunter Bolch and Hermann De Meer
Queueing Networks and Markov Chains - 2nd Edition: Problems and Solutions
distributed by John Wiley & Sons
2008

Conference and workshop papers:

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Vicente Casares-Giner, Patrick Wuechner, Diego Pacheco-Paramo and Hermann De Meer
Combined Contention and TDMA-Based Communication in Wireless Sensor Networks
Proc. of the 8th Euro-NF Conf. on Next Generation Internet (NGI2012)
Publisher: IEEE,
2012
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Patrick Wuechner, Janos Sztrik and Hermann De Meer
Modeling Wireless Sensor Networks Using Finite-Source Retrial Queues with Unreliable Orbit
Proc. of the Workshop on Performance Evaluation of Computer and Communication Systems (PERFORM 2010) Volume 6821 of Lecture Notes in Computer Science (LNCS) , page 73--86.
Publisher: Springer-Verlag,
2011

Note: The original publication is available at www.springerlink.com

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Kamil Kloch, Jan W. Kantelhardt, Paul Lukowicz, Patrick Wuechner and Hermann De Meer
Ad-Hoc information spread between mobile devices: a case study in analytical modeling of controlled self-organization in IT systems
Proc. of 23rd Int'l Conf. on Architecture of Computing Systems (ARCS 2010) Volume 5974 of Lecture Notes in Computer Science (LNCS) , page 101--112.
Publisher: Springer-Verlag,
2010
ISBN: 978-3-642-11949-1

Note: The original publication is available at www.springerlink.com (2010)

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Martin Paterok, Hermann De Meer and Patrick Wuechner
In Memory of Dr. Gunter Bolch
Proc. of the 15th Int'l GI/ITG Conf. on Measurement, Modelling and Evaluation of Computing Systems and Dependability and Fault Tolerance (MMB & DFT 2010) Volume 5987 of Lecture Notes in Computer Science (LNCS) , page 3--7.
Publisher: Springer-Verlag,
2010
ISBN: 978-3-642-12103-6

Note: The original publication is available at www.springerlink.com (2010)

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Patrick Wuechner, Janos Sztrik and Hermann De Meer
Finite-Source Retrial Queues with Applications
Proc. of the 8th Int'l Conf. on Applied Informatics Volume 2 , page 275--285.
2010
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Christopher Auer, Patrick Wuechner and Hermann De Meer
Target-Oriented Self-Structuring in Classifying Cellular Automata
Proc. of the 15th Int'l Workshop on Cellular Automata and Discrete Complex Systems (Automata 2009) , page 260--271.
Publisher: Mackenzie,
2009
ISBN: 978-1-905986-21-7
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Christopher Auer, Patrick Wuechner and Hermann De Meer
The Degree of Global-State Awareness in Self-Organizing Systems
Proc. of the 4th Int'l Workshop on Self-Organizing Systems (IWSOS 2009) Volume 5918 of Lecture Notes in Computer Science (LNCS) , page 125--136.
Publisher: Springer-Verlag,
2009
ISBN: 978-3-642-10864-8

Note: The original publication is available at www.springerlink.com (2009)

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Christopher Auer, Patrick Wuechner and Hermann De Meer
A Method to Derive Local Interaction Strategies for Improving Cooperation in Self-Organizing Systems
Proc. of the 3rd Int'l Workshop on Self-Organizing Systems (IWSOS 2008) Volume 5343 of Lecture Notes in Computer Science (LNCS) , page 170--181.
Publisher: Springer-Verlag,
2008
ISBN: 978-3-540-92156-1

Note: The original publication is available at www.springerlink.com (2008); received best-paper award

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Patrick Wuechner, Christopher Auer, Richard Holzer and Hermann De Meer
Mathematical Design Models for Self-Organizing Systems
Supplementary online Proc. of the 3rd Int'l Workshop on Self-Organizing Systems (IWSOS 2008)
2008

Note: Poster with Abstract

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Patrick Wuechner, Janos Sztrik and Hermann De Meer
Homogeneous Finite-Source Retrial Queues with Search of Customers from the Orbit
Proc. of the 14th GI/ITG Conf. on Measurement, Modelling and Evaluation of Computer and Communication Systems (MMB 2008) , page 109--124.
Publisher: VDE Verlag,
2008
ISBN: 978-3-8007-3090-2
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Patrick Wuechner, Janos Sztrik and Hermann De Meer
Structured Markov Chains Arising from Homogeneous Finite-Source Retrial Queues with Orbital Search
Proc. of the Dagstuhl Seminar on Numerical Methods for Structured Markov Chains Volume 07461 of Dagstuhl Seminar Proceedings
Publisher: Schloss Dagstuhl, Leibniz-Zentrum fuer Informatik GmbH, Dagstuhl, Germany
2007
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Patrick Wuechner and Hermann De Meer
Mathematical Modeling of Self-Organizing Systems
Proc. of the 7th Wuerzburg Workshop on IP: Joint EuroFGI and ITG Workshop on ,,Visions of Future Generation Networks" (EuroView 2007)
Publisher: University of Wuerzburg, Wuerzburg, Germany
2007
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Patrick Wuechner, Hermann De Meer, Gunter Bolch, Janos Roszik and Janos Sztrik
Modeling Finite-Source Retrial Queueing Systems with Unreliable Heterogeneous Servers and Different Service Policies Using MOSEL
Proc. of the 14th Int'l Conf. on Analytical and Stochastic Modelling Techniques and Applications (ASMTA 2007) , page 75--80.
2007
ISBN: 0-9553018-4-X (Print); 0-9553018-3-1 (CD)
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Patrick Wuechner and Hermann De Meer
Discrete-Event System Performance Modeling of Self-Organizing Systems
Proc. of the Technical Discussion on Performance Modeling of Self-Organizing Systems (PMSOS 2006) , page 14--18.
Publisher: University of Passau,
2006

Note: Technical Report MIP-0609

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Patrick Wuechner, Hermann De Meer, Joerg Barner and Gunter Bolch
A brief Introduction to MOSEL-2
Proc. of the 13th GI/ITG Conf. on Measurement, Modelling and Evaluation of Computer and Communication Systems (MMB 2006) , page 473--476.
GI/ITG/MMB, University of Erlangen
Publisher: VDE Verlag,
2006
ISBN: 978-3-8007-2945-6
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Patrick Wuechner, Hermann De Meer, Joerg Barner and Gunter Bolch
MOSEL-2 - A Compact But Versatile Model Description Language And Its Evaluation Environment
Proc. of the Workshop MMBnet 2005
Publisher: University of Hamburg,
2005
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Patrick Wuechner, Khalid Al-Begain, Joerg Barner and Gunter Bolch
Modelling a single GSM/GPRS cell with delay tolerant voice calls using MOSEL-2
Proc. of the 7th UK Simulation Conf. (UKSIM 2004) , page 88--94.
2004
ISBN: 1-84233-099-3

PhD theses:

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Patrick Wuechner
Energy-Efficient and Timely Event Reporting Using Wireless Sensor Networks
University of Passau,
2013

Technical reports:

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Gunter Bolch, Janos Roszik, Janos Sztrik and Patrick Wuechner
Modeling Finite-Source Retrial Queueing Systems with Unreliable Heterogeneous Servers and Different Service Policies using MOSEL
Document number: MIP-0611
Faculty of Computer Science and Mathematics (FIM), University of Passau,
2006
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Hermann De Meer, Patrick Wuechner and Amine M. Houyou
Self-Organizing Systems: New Trends in Architectures and Performance Modeling
Document number: MIP-0609
Faculty of Computer Science and Mathematics (FIM), University of Passau,
2006

Note: Supplementary Proc. of IWSOS/PMSOS

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