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Ahmad Al Hanbali
Dr. Ahmad Al Hanbali
School of Management and Governance, Dep. Operational Methods for Production and Logistics
University of Twente
P.O. Box 217, 7500 AE Enschede,
The Netherlands
Ravelijn, room RA3115, Drienerlolaan 5,
7522 NB Enschede
Tel: (+31 53 489)4033
Fax: (+31 53 489)2159
E-mail: a.alhanbali@utwente.nl
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Ahmad Al Hanbali was born in Lebanon in 1980. He is assistant professor in operational managements and logistics at the University of Twente. He was a member of many technical program committees of international conferences including, and as reviewer for several Journals. He is a full member of the Beta research school, The Netherlands, and of the International Society of Inventory Research (ISIR).
Professional experience
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December 2008 - November 2009: Post-doc at the Queueing and performance analysis group, EURANDOM, TU/e Eindhoven, The Netherlands. |
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June 2007 - November 2008: Post-doc at Stochastic and Operations Research group, University of Twente, The Netherlands. |
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September 2006 - June 2007: Lecturer at the polytechnical engineering school of the University of Nice Sophia Antipolis, Computer Sciences department. |
Education
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2006: PhD degree in Computer Science, University of Nice Sophia Antipolis, France. The PhD thesis was carried out at Maestro team, INRIA, Sophia Antipolis under supervision of: Research Director (DR.) Philippe Nain and Eitan Altman. (PhD with distinction) |
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2003: Master degree in Networking and Distributed Systems, University of Nice Sophia Antipolis, France. (Ranked second in the Master) |
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2002: Electrical and Electronics Engineering degree, Lebanese University, Beirut, Lebanon. (Very good) |
Publications
Journal
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A. Al Hanbali, M.C. van der Heijden. Interval Availability Analysis of a Two-echelon, Multi-Item System. Submitted to the European Journal of Operational Research (EJOR). |
2. |
A. Al Hanbali. A busy period analysis of level dependent PH/PH/1/K queue. Queueing Systems, vol. 67, issue 3, p 221-249, 2011. |
3. |
A. Al Hanbali, R. de Haan, R.J. Boucherie, J.C.W. van Ommeren. Time-Limited polling systems with Batch Arrivals and Phase type Service Times. To appear in Annals of Operations Research, 2011. |
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A. Al Hanbali, M. Mandjes, Y. Nazarathy, W. Whitt. The asymptotic variance of departures in critically loaded queues. Advances in Applied Probability, vol. 43, issue 1, pp 243-263, 2011. |
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A. Al Hanbali, O. Boxma. A busy period analysis for state dependent M/M/1/K queue. Operations Research Letters, vol. 38, issue 1, pp 1-6, 2010. |
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A. Al Hanbali, P. Nain, E. Altman. Performance of Ad Hoc Networks with Two-Hop Relay Routing and Limited Packet Lifetime—Extended Version. Performance Evaluation journal, vol. 65, issue 6-7, pp 463-483, June 2008. |
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M. Ibrahim, A. Al Hanbali, P. Nain. Delay and Resources Analysis in MANETs in Presence of Throwboxes. Performance Evaluation journal, vol. 64, issue 9-12, pp 933-947, Oct. 2007. |
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A. Al Hanbali, A. A. Kherani, R. Groenevelt, P. Nain, E. Altman. Impact of Mobility on the Performance of Relaying in Ad hoc Networks—Extended Version, Computer Networks journal, vol. 51, issue 14, pp 4112-4130, Oct. 2007. |
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A. Al Hanbali, E. Altman, P. Nain. A survey of TCP over Ad Hoc Networks, IEEE Communications Surveys & Tutorials journal, vol.7, issue 3, pp 22-36, Aug. 2005. |
Conference
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A. Al Hanbali, M.C. van der Heijden. Interval Availability Analysis of a Two-echelon, Multi-Item System. To appear in Proc. of International Conference on Operations Research and Enterprise Systems (ICORES), Algarve, Portugal, February 2012. |
11. |
Dieter Fiems, Ahmad Al Hanbali and Herwig Bruneel. Queueing analysis of error-prone production systems. Short abstract in the International Workshop in Applied Probability (IWAP), Mardrid, 2010. |
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A. Al Hanbali, R. de Haan, R.J. Boucherie, J.C.W. van Ommeren. Time-Limited and k-Limited polling systems: A Matrix Geometric Solution. In Proc. of SMCTools workshop, Athens, Greece, October 2008. |
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A. Al Hanbali, M. Ibrahim, V. Simon, E. Varga, I. Carreras. A Survey of Message Delivery Protocols in Mobile Ad Hoc Networks. In Proc. of InterPerf workshop, Athens, Greece, October 2008. |
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A. Al Hanbali and R. de Haan and R.J. Boucherie and J.C.W. van Ommeren. A Tandem Queueing Model for Delay Analysis in Disconnected Ad hoc Networks. In Proc. Of ASMTA 2008 (15th edition), Cyprus, June 2008, LNCS 5055, pp 189-205. (Best paper award of ASMTA' 08) |
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A. Al Hanbali, A. A. Kherani, P. Nain. Simple Model for Performance Evaluation of a Class of Two-hop Relay Protocols. In Proc. of IFIP NETWORKING 2007, Atlanta, GA, USA, May 2007, LNCS 4479, pp 191-202. (22.5 % acceptance rate) |
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A. Al Hanbali, P. Nain, E. Altman. Performance of Ad Hoc Networks with Two-Hop Relay Routing and Limited Packet Lifetime. In Proc. of VALUETOOLS, Pisa, Italy, October 2006. (Finalist for the best student paper award) |
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A. Al Hanbali, P. Nain, E. Altman. Performance of Ad Hoc Networks with Two-Hop Relay Routing and Limited Packet Lifetime [short paper]. In Proc. of IEEE IWQoS, New Haven, CT, USA, June 2006. |
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A. Al Hanbali, A. A. Kherani, R. Groenevelt, P. Nain, E. Altman. Impact of Mobility on the Performance of Relaying in Ad hoc Networks. In Proc. of IEEE INFOCOM, Barcelona, Spain, April 2006. (18 % acceptance rate) |
Under review/Working paper
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A. Al Hanbali, R. de Haan, R.J. Boucherie, J.C.W. Van. Ommeren. Delay in tandem queueing model with mobile queues: An Analytical Approximation. Submitted to Probability in the Engeneering and Information Science (PEIS) (2009). |
20. |
T. Coenen, H. van den Berg, R. Boucherie, M. de Graaf, A. Al Hanbali. Bottlenecks and stability in networks with contending nodes. Submitted to AEÜ - International Journal of Electronics and Communications, Aug 2010. |
21. |
A. Al Hanbali, M.C. van der Heijden. Interval Availability Analysis of a Two Echelon, Multi-Item System. Beta working paper 359, 2011. http://beta.ieis.tue.nl/node/1967 |
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M.E. Zonderland, R.J. Boucherie, A. Al Hanbali. Appointments for care pathway patients. Memorandum 1961, Department of Applied Mathematics, University of Twente, Enschede. ISSN 1874-4850. http://eprints.eemcs.utwente.nl/20780/ |
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A. Al Hanbali, H. Zijm. Analysis of the travel time in the road traffic networks. Work in progress. |
Teaching Activities
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University of Twente, department of Industrial Engineering, Production and Logistics Management track, MSc program 1st year 2nd semester, 2010-2011: Supply Chain and Transportations Management. (5ECTS, 56 students) |
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University of Twente, department of Industrial Engineering, Production and Logistics Management track, MSc program 1st year 2nd semester, 2010-2011: Reliability Engineering and Maintenance Management. (5ECTS, 40 students) |
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University of Vienna, department of Industrial Engineering, Phd course, 2009-2010, with Prof H. Zijm: Manufacturing and Logistic Systems Analysis, Planning and Control. (5ECTS, 10 students) |
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University of Twente, faculty of electrical and electronics engineering and applied mathematics (EWI) (2007-2008): Numerical Algorithms for analysis of Markov chains: (5ECTS, 6 students) |
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Polytechnic engineering school of the University of Nice Sophia Antipolis France, department of computer sciences (2006-2007): Network Simulator NS2: (22h, 9 students). Distributed Programming: (18h, 3x10 students). JAVA Programming Projects: (38h, 4x10 students). |
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University of Nice Sophia Antipolis France, department of computer sciences (2006-2007): Introduction to Computer Networking: (33h, 10 students) |
Academic Service Activities
During 2009, I organized together with Yoni Nazarathy the seminar “Open problem session” at EURNADOM research institute.
I served as a reviewer for various international Journals and Conferences:
Journals
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2006: IEEE Communications Surveys and Tutorials (CST), Wireless Communications and Mobile Computing (WCM). |
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2007: Computer Networks, Information Sciences (INS), Performance Evaluation, Wireless Communications and Mobile Computing (WCM). |
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2008: University of Mauritius Research Journal, Performance Evaluation, IEEE Transaction on Networking, Wireless Communications and Mobile Computing (WCM). |
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2009: Computers and Operations Research, Mathematical Methods of Operations Research, Journal of Applied Mathematics, Performance Evaluation, Computer Networks, IEEE Transactions on Vehicular Technology, Methodology and Computing in Applied Probability. |
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2010: Annals of Operations Research, IEEE Transactions on Vehicular Technology, European Transactions of Telecommunications, IEEE Transactions on Wireless Communications. |
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2011: IEEE Transactions on Networking, IEEE Transactions on Mobile Computing, IEEE Transactions on Parallel and Distributed Systems. |
Conferences
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TPC member: |
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2008: Valuetools. |
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2009: Wiopt, RAWNET, Bionetics, NSTools, TEMACS. |
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2010: Wiopt. |
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External Reviewer: WPMC (2004), Infocom (2005-2007), Globecom (2006), ISIT 2007, IWQoS (2008), NOTERE (2008). |
Supervision Activities
PhD project
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Sina Behfard, “Integrated Last buy and re-use decision models for advanced capital goods”, joint supervision with Dr. Matthieu van der Heijden. Started March 2011. |
Master project
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Anke Verbaarschot, “Last Time Buys and Reuse at Océ: a last time buy decision tool for reusable parts”, joint supervision with Dr. Matthieu van der Heijden, completed June 2011. Service Logistics Forum best master thesis prize http://www.utwente.nl/mb/ompl/newsevents/2011-25-10-verbaarschot.doc |
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Matthijs Munnik, “Service Level Agreements at Océ: a queueing model which predicts the waiting times of corrective maintenance jobs at the Planning Department”, joint supervision with Dr. Matthieu van der Heijden, and Elisa Alvarez, completed October 2011. |
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Cees-Willem Koopman, “Optimizing the last time buy decision at IBM”, joint supervision with Dr. Matthieu van der Heijden, completed November 2011. |
Bachelor project
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Matthijs Munnik, “Service Level Agreements at Océ: an overview on content and performance”, joint supervision with Dr. Matthieu van der Heijden, and Elisa Alvarez, completed February 2011. |
