Project Engineer

George Papageorgiou

*** ******* ***** **** *****: +1-951-***-****

Department of Computer Science and Engineering Skype: gapapag

University of California Riverside E-mail: ******@***.***

*** ******sity Ave., Riverside CA 92521 URL: http://www.cs.ucr.edu/ gpapag

Current Position

Postdoctoral Scholar Employee, University of California Riverside November 2010 present

Education

Ph.D. in Electrical and Computer Engineering May 2010

University of Maryland, College Park, MD

Research Advisor: Prof. John S. Baras

Dissertation Title: Flow Control in Wireless Ad-hoc Networks

M.Sc. in Electrical and Computer Engineering August 2005

University of Maryland, College Park, MD

Research Advisor: Prof. John S. Baras

M.Sc. in Communication Systems and Networks July 2000

Department of Informatics, University of Athens, Greece

Research Advisor: Prof. Lazaros Merakos

B.Sc. in Computer Science December 1997

Department of Informatics, University of Athens, Greece

Thesis Advisor: Prof. Lazaros Merakos

Academic Achievements and Honors

Best Paper Award for Wireless Networks, IEEE Global Communications Conference (IEEE GLOBECOM 2008), New Orleans,

LA, Nov. 2008.

Graduate School Fellowship, Dept. of Electrical and Computer Engineering, University of Maryland, 2000-2002.

Fellowship, Institute of Gazis-Triantafyllopoulos, 2000-2001.

Ericsson Award of Excellence in Communications, 1998.

Top 30, Hellenic National Mathematics Olympiad, 1992.

Technical Quali cations

Operating Systems: Linux, Unix, Mac OS X, Microsoft Windows XP/Vista/7.

Languages: C/C++, Ruby, Tcl/OTcl, JavaScript, HTML, CSS, PHP, Python, Java, SDL, TTCN.

Development Tools: gdb, ddd, valgrind.

Software: Network Simulator (ns2, ns3), Matlab, Maple.

Professional Activities/Af liations

Reviewer (ICDCS, IEEE Milcom, Elsevier Pervasive and Mobile Computing, IEEE Transactions on Wireless Communications).

Member, IEEE (Communications Society, Control Systems Society).

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List of Publications

Zi Feng, George Papageorgiou, Srikanth V. Krishnamurthy, Ramesh Govindan, Tom La Porta, Trading Off Distortion for Delay

for Video Transmissions in Wireless Networks, in the Proceedings of the 32nd IEEE International Conference on Computer

Communications (INFOCOM 2013), Turin, Italy, Apr. 2013.

George Papageorgiou, Shailendra Singh, Srikanth V. Krishnamurthy, Ramesh Govindan, Tom La Porta, Distortion-Resilient

Routing for Video Flows in Wireless Multi-hop Networks, in the Proceedings of the 20th IEEE International Conference on

Network Protocols (ICNP 2012), Austin, TX, Oct. 2012.

Nicola De Coppi, Jianxia Ning, George Papageorgiou, Michele Zorzi, Srikanth V. Krishnamurthy, Thomas La Porta, Network

Coding Aware Queue Management in Multi-Rate Wireless Networks, in the Proceedings of the 21st International Conference on

Computer Communication Networks (ICCCN 2012), Munich, Germany, Jul. 2012.

George Papageorgiou, John S. Baras, Tuning the TCP Timeout Mechanism in Wireless Networks to Maximize Throughput via

Stochastic Stopping Time Methods, in the Proceedings of the 19th International Symposium on Mathematical Theory of Networks

and Systems (MTNS 2010), Budapest, Hungary, Jul. 2010.

George Papageorgiou, John S. Baras, A Simple Model for the Window Size Evolution of TCP Coupled with MAC and PHY

Layers, in the Proceedings of the 43rd Annual Conference on Information Sciences and Systems (CISS 2009), Baltimore, MD,

Mar. 2009.

John S. Baras, Vahid Tabatabaee, George Papageorgiou, Nicolas Rentz, Performance Metric Sensitivity Computation for Opti-

mization and Trade-off Analysis in Wireless Networks, in Proceedings of the IEEE Global Communications Conference (IEEE

GLOBECOM 2008), New Orleans, LA, Nov. 2008. Best Paper Award.

John S. Baras, Vahid Tabatabaee, George Papageorgiou, Nicolas Rentz, Modelling and Optimization for Multi-hop Wireless Net-

works using Fixed Point and Automatic Differentiation, in Proceedings of the 6th Intl. Symposium on Modeling and Optimization

in Mobile, Ad Hoc, and Wireless Networks (WiOpt 2008), Berlin, Germany, Mar. 2008.

John S. Baras, Vahid Tabatabaee, George Papageorgiou, Nicolas Rentz, Yadong Shang, Loss Model Approximations and Sensi-

tivity Computations for Wireless Network Design, in Proceedings of the IEEE Military Communications Conference (MILCOM

2007), Orlando, FL, Oct., 2007.

Alvaro A. Cardenas, Nassir Benammar, George Papageorgiou, John S. Baras, Cross-Layered Security Analysis of Wireless Ad-

hoc networks, in Proceedings of the 24th Army Science Conference, Orlando, FL, Nov. 2004.

Huigang Chen, Jia-Shiang Jou, Dinesh Dharmaraju, George Papageorgiou, John S. Baras, Performance Evaluation and Traf c

Analysis for Routing Protocols in a Real MANET, in Collaborative Technology Alliances (CTA) Conference, College Park, MD,

Apr. 2003.

S. Hadjieftymiades, A. Kaloxylos, G. Papageorgiou, L. Merakos, Design and Implementation of a Mobility Management and

Control Protocol for Wireless ATM Networks, in Proceedings of the 2nd IEEE International Workshop on Wireless Mobile ATM

Implementations (wmATM 99), San Jose, CA, June 1999.

S. Hadjieftymiades, A. Kaloxylos, G. Papageorgiou, L. Merakos, Design and Implementation of a Mobility Management Protocol

for Wireless ATM Environments, in Proceedings of New Information Technology (NIT), Athens, Greece, Oct. 1998.

A. Kaloxylos, G. Papageorgiou, P. Papageorge, L. Merakos, Smart Buffering Technique for Lossless Hard Handover in Wireless

ATM Networks, in Proceedings of International Conference on Universal Personal Communications (ICUPC 97), pp. 300-305,

San Diego, CA, Oct. 1997.

Work Experience

Postdoctoral Scholar Employee, University of California Riverside November 2010 present

Evaluating the trade-off between throughput, secrecy and energy consumption in the usage of encryption in wireless, ad-hoc

networks, by developing a mathematical queueing model and through wireless testbed experiments (on-going research project).

Member of a group that modelled, analyzed and evaluated (ns-3) the trade-off between distortion and delay for video communi-

cations in wireless ad-hoc networks (under submission).

Proposed, analyzed and evaluated (ns-2, C/C++/ruby code) a video distortion resilient routing scheme for wireless ad-hoc net-

works (ICNP 2012).

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Member of a group that proposed and evaluated (ns-2) a network coding aware queue management scheme for multi-rate wireless

networks (ICCCN 2012).

Graduate Research Assistant, University of Maryland, Institute for Systems Research August 2006 - December 2009

Conducted research in the area of wireless network design.

Developed analytical approximate loss models that couple the physical, MAC and routing layers to estimate network throughput.

Employed Automatic Differentiation tools to implement methodologies for sensitivity analysis and optimization (C/C++, Opnet,

Matlab and Maple code).

Published three research articles in established conferences and received the best paper award (IEEE Globecom 2008) for one of

them.

Summer Intern, Telcordia Technologies, Piscataway, NJ June 2004 - August 2004

Worked on Reliable Server Pooling (RSP) for mobile ad-hoc networks in the battle eld.

Compared different potential RSP schemes and studied their advantages and disadvantages.

Proposed a new RSP scheme to overcome the major disadvantages of the considered schemes.

Graduate Research Assistant, University of Maryland, Institute for Systems Research August 2000 - April 2005

Member of a group that performed research on network security for wired and wireless systems.

Simulated different attacking patterns and detection and defense mechanisms for distributed denial of service attacks: syn- ooding,

UDP storms, worm spreading, wormholes (C/C++, OTCL and ns2 code).

Extended the simulation tool (ns2, nam) to achieve a better visualization of the distributed denial of service attack and defense.

The results from this work were presented in two conferences.

Instructor, Technological Educational Institute of Athens 1999 - 2000

Instructor on Implementation of Telecommunication Protocols, Technological Educational Institute (TEI) of Athens. March

2000.

Instructor on Veri cation and Conformance Testing and Implementation of Telecommunication Protocols, Technological

Educational Institute (TEI) of Athens. April 1999 - May 1999.

Telecommunications Engineer, Freelance Contractor January 1997 - July 2000

Designed a con gurable wireless IP adaptation layer targeting Bluetooth, HiperLAN-2 and IEEE 802.11 to facilitate an end-to-end

delivery solution for wireless IP networks (project WINE - Wireless Internet Networks, part of the IST programme, funded by the

European Union). January 2000 - June 2000.

Member of a Eurescom group that designed and deployed a pilot installation for a Virtual Home Environment (VHE) aiming for

service portability across terminals and networks (Eurescom was a European research consortium formed by European PTTs, e.g.

BT, FT, KPN). October 1999 - April 2000.

Investigated the integration of the DECT technology with various other communication platforms (ATM, ISDN, GSM/DCS net-

works). Two alternatives considered: (i) interworking units, and (ii) the Intelligent Network (IN) architecture (the project was

funded by the Greek PTT). June 1999 - June 2000.

Worked in the development of a protocol stack to be used in the PSTN of the Greek PTT for the support of Intelligent Network

(IN) services. The speci cation and development of the protocol was done using the Speci cation and Description Language

(SDL), the validity and correctness of the protocol was tested using the Tree and Tabular Combined Notation (TTCN) (the project

was funded by the Greek PTT). January 1999 - June 2000.

Designed (SDL) and implemented (C/C++) a mobility and control protocol that handled handover, location update and user

registration services as part of wireless ATM network for customer premises environments (project Magic WAND - Wireless

ATM Network Demonstrator, part of the ACTS programme, funded by the European Union and the Swiss BBW - Bundesamt f ru

Bildung und Wissenschaft). February 1997 - September 1998.

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