Asst. Prof. Dr. Muhammad Hamad Alizai

LUMS, Lahore, Pakistan

hamad.alizai@lums.edu.pk

Please visit my new web page http://web.lums.edu.pk/~alizai/ for updated information

Research Projects:

Wireless Link Diversity: Characterizing the diverse behavior of low-power wireless links.
TinyWifi: Briding the gap between sensornets and meshnets evaluation.
TimeTOSSIM: Time-accurate simulation of sensornet applications.
Dynamic TinyOS: Modular and incremental code updates for sensornets.

Publications

Justus Breyer, Jonas Koerhuis, Muhammad Hamad Alizai, Klaus Wehrle. Practical Insights from Implementing Event-Based NILM Systems. Proceedings of the 16th ACM International Conference on Future and Sustainable Energy Systems (ACM e-Energy 2025), Jun 17 - Jun 20, 2025, Rotterdam, Netherlands. June 2025.

Justus Breyer, Muhammad Hamad Alizai, Sandeep Samant, Klaus Wehrle. Advanced Filtering of Unknown Devices in Event-Based NILM. ACM SIGEnergy Energy Informatics Review (SIGENERGY-EIR), vol. 4, no. 5. April 2025.

Justus Breyer, Maximilian Petri, Muhammad Hamad Alizai, Klaus Wehrle. A Critical Review of Household Water Datasets. Proceedings of the 11th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation (BuildSys 2024), Nov 7 - Nov 8, 2024, Hangzhou City, China. November 2024.

Justus Breyer, Sparsh Jauhari, René Glebke, Muhammad Hamad Alizai, Markus Stroot, Klaus Wehrle. Investigating Domain Bias in NILM. Proceedings of the 11th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation (BuildSys 2024), Nov 7 - Nov 8, 2024, Hangzhou City, China. October 2024.

Saad Ahmed, Hassan Khan, Junaid Haroon Siddiqui, Jó Ágila Bitsch, Muhammad Hamad Alizai. Poster Abstract: Incremental Checkpointing for Interruptible Computations. Proceedings of the 14th ACM Conference on Embedded Networked Sensor Systems (SenSys 2016), Nov 14 - Nov 16, 2016, Stanford, CA, USA. November 2016.

Ismet Aktas, Martin Henze, Muhammad Hamad Alizai, Kevin Möllering, Klaus Wehrle. Graph-based Redundancy Removal Approach for Multiple Cross-Layer Interactions. Proceedings of the 6th International Conference on Communication Systems and Networks (COMSNETS), Jan 7 - Jan 10, 2014, Bangalore, India. January 2014.

Muhammad Hamad Alizai, Klaus Wehrle. Probabilistic Location-Free Addressing in Wireless Networks. Elsevier Journal of Network and Computer Applications (JNCA), vol. 41. January 2014.

Ismet Aktas, Muhammad Hamad Alizai, Florian Schmidt, Hanno Wirtz, Klaus Wehrle. Harnessing Cross-Layer Design. Elsevir Ad-hoc Networks. October 2013.

Muhammad Hamad Alizai. Exploiting Wireless Link Dynamics. Ph.D. Thesis. June 2013.

Hanno Wirtz, Muhammad Hamad Alizai, Klaus Wehrle. Fuzzy Logical Coordinates and Location Services for Scalable Addressing in Wireless Networks. Proceedings of the 10th International Conference on Wireless On-demand Network Systems and Services (WONS ‘13), Mar 18 - Mar 20, 2013, Banff, Canada. March 2013.

Muhammad Hamad Alizai, Hanno Wirtz, Bernhard Kirchen, Klaus Wehrle. Portable Wireless-Networking Protocol Evaluation. Journal of Network and Computer Applications (JNCA), vol. 36, no. 4. January 2013.

Ismet Aktas, Florian Schmidt, Muhammad Hamad Alizai, Tobias Drüner, Klaus Wehrle. CRAWLER: An Experimentation Architecture for System Monitoring and Cross-Layer-Coordination. Proceedings of the 13th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM'12), Jun 25 - Jun 28, 2012, San Francisco, CA, United States. June 2012.

Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle. Exploiting the Burstiness of Intermediate Quality Wireless Links. International Journal of Distributed Sensor Networks (IJDSN), vol. 8, no. 3. April 2012.

Florian Schmidt, Muhammad Hamad Alizai, Ismet Aktas, Klaus Wehrle. Refector: Heuristic Header Error Recovery for Error-Tolerant Transmissions. Proceedings of the 7th International Conference on emerging Networking EXperiments and Technologies. Presented at the 7th Conference on emerging Networking Experiments and Technologies (Co-NEXT '11), Tokyo, Japan. December 2011.

Tobias Vaegs, Muhammad Hamad Alizai, Jó Ágila Bitsch, Klaus Wehrle. Efficient Power Management Using Out-of-Band Signaling. Proceedings of the 10th GI/ITG KuVS Fachgespräch Drahtlose Sensornetze (FGSN), Sep 15 - Sep 16, 2011, Paderborn, Germany. September 2011.

Muhammad Hamad Alizai, Hanno Wirtz, Bernhard Kirchen, Tobias Vaegs, Omprakash Gnawali, Klaus Wehrle. TinyWifi: Making Network Protocol Evaluation Portable Across Multiple Phy-Link Layers. Proceedings of the 6th ACM international workshop on Wireless network testbeds, experimental evaluation and characterization (WiNTECH), Las Vegas, NV, USA. September 2011.

Muhammad Hamad Alizai, Hanno Wirtz, Georg Kunz, Benjamin Grap, Klaus Wehrle. Efficient Online Estimation of Bursty Wireless Links. 16th IEEE Symposium on Computers and Communications. Presented at the 2011 IEEE Symposium on Computers and Communications (ISCC '11), Jun 28 - Jul 1, 2011, Kerkyra, Greece. June 2011.

Muhammad Hamad Alizai, Tobias Vaegs, Olaf Landsiedel, Stefan Götz, Jó Ágila Bitsch, Klaus Wehrle. Probabilistic Addressing: Stable Addresses in Unstable Wireless Networks. Proceedings of the 10th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN 2011), Apr 12 - Apr 14, 2011, Chicago, IL, USA. April 2011.

Muhammad Hamad Alizai, Bernhard Kirchen, Jó Ágila Bitsch, Hanno Wirtz, Klaus Wehrle. Poster Abstract: TinyOS Meets Wireless Mesh Networks. Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems. Presented at the 8th ACM Conference on Embedded Network Sensor Systems (SenSys '10), Zurich, Switzerland. November 2010.

Tobias Vaegs, Muhammad Hamad Alizai, Klaus Wehrle. Probabilistic Addressing in Wireless Networks. Proceedings of the 2nd IEEE Student Conference, Hamburg University of Technology, May 20 - May 21, 2010, Hamburg, Germany. May 2010.

Raimondas Sasnauskas, Olaf Landsiedel, Muhammad Hamad Alizai, Carsten Weise, Stefan Kowalewski, Klaus Wehrle. KleeNet: Discovering Insidious Interaction Bugs in Wireless Sensor Networks Before Deployment. Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN 2010), Stockholm, Sweden. April 2010.

Muhammad Hamad Alizai, Tobias Vaegs, Olaf Landsiedel, Raimondas Sasnauskas, Klaus Wehrle. Poster Abstract: Statistical Vector based Point-to-Point Routing in Wireless Networks. Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN 2010). Presented at the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks (IPSN 2010), Apr 12 - Apr 16, 2010, Stockholm, Sweden. April 2010.

Jó Ágila Bitsch, Gregor Fabritius, Muhammad Hamad Alizai, Klaus Wehrle. BurrowView - Seeing the world through the eyes of rats. Proceedings of the 2nd IEEE International Workshop on Information Quality and Quality of Service for Pervasive Computing. Presented at the 2010 8th IEEE International Conference on Pervasive Computing and Communications Workshops (PERCOM Workshops '10), Mar 29 - Apr 2, 2010, Mannheim, Germany. March 2010.

Muhammad Hamad Alizai, Lei Gao, Torsten Kempf, Olaf Landsiedel. Tools and Modeling Approaches for Simulating Hardware and Systems. Modeling and Tools for Network Simulation, vol. 1. February 2010.

Waqaas Munawar, Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle. Dynamic TinyOS: Modular and Transparent Incremental Code-Updates for Sensor Networks. Proceedings of the IEEE International Conference on Communications (ICC). Presented at the IEEE International Conference on Communications (ICC). January 2010.

Muhammad Hamad Alizai, Georg Kunz, Olaf Landsiedel, Klaus Wehrle. Promoting Power to a First Class Metric in Network Simulations. Proceedings of the Workshop on Energy Aware Systems and Methods, in conjunction with GI/ITG ARCS 2010, Hanover, Germany. January 2010.

Muhammad Hamad Alizai, Olaf Landsiedel, Jó Ágila Bitsch, Stefan Götz, Klaus Wehrle. Bursty Traffic over Bursty Links. Proceeding of 7th ACM Conference on Embedded Networked Sensor Systems (Sensys 09). Presented at the Sensys 09, Berkley, California. November 2009.

Waqaas Munawar, Olaf Landsiedel, Muhammad Hamad Alizai, Klaus Wehrle. Remote Incremental Adaptation of Sensor Network Applications. Technical University Hamburg, Hamburg, Germany. September 2009.

Muhammad Hamad Alizai, Olaf Landsiedel, Jó Ágila Bitsch, Stefan Götz, Klaus Wehrle. Routing Over Bursty Wireless Links. , Hamburg, Germany. September 2009.

Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle. Modelling Execution Time and Energy Consumption in Sensor Node Simulation. PIK Journal, Special Issue on Energy Aware Systems, vol. 32, no. 2. February 2009.

Raimondas Sasnauskas, Jó Ágila Bitsch, Muhammad Hamad Alizai, Klaus Wehrle. Poster Abstract: KleeNet - Automatic Bug Hunting in Sensor Network Applications. Proceedings of the 6th ACM Conference on Embedded network sensor systems. Presented at the 6th ACM Conference on Embedded Networked Sensor Systems (SenSys '08), Raleigh, NC, United States. November 2008.

Raimondas Sasnauskas, Jó Ágila Bitsch, Muhammad Hamad Alizai, Klaus Wehrle. Bug Hunting in Sensor Network Applications. Chair of Communication and Distributed Systems (ComSys), Berlin, Germany. September 2008.

Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle, Alexander Becher. Challenges in Short-term Wireless Link Quality Estimation. Presented at the FGSN 08. July 2008.

Olaf Landsiedel, Muhammad Hamad Alizai, Klaus Wehrle. When Timing Matters: Enabling Time Accurate & Scalable Simulation of Sensor Network Applications. Proceedings of the 7th ACM International Conference on Information Processing in Sensor Networks (IPSN 2008). Presented at the 7th ACM International Conference on Information Processing in Sensor Networks (IPSN 2008), USA. January 2008.

Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle. Accurate Timing in Sensor Network Simulations. RWTH Aachen. Presented at the FGSN 07, Aachen, Germany. July 2007.