Publications
Books & Chapters
Journals
Conferences & Workshops
Posters & Demos
Theses
Journal Articles
Justus Breyer, Muhammad Hamad Alizai, Sandeep Samant, Klaus Wehrle Advanced Filtering of Unknown Devices in Event‑Based NILM ACM Energy Informatics Review (EIR) · 2025
Andrea Maioli, Kevin Alessandro Quinones, Saad Ahmed, Muhammad Hamad Alizai, Luca Mottola Dynamic Voltage and Frequency Scaling for Intermittent Computing ACM Transactions on Sensor Networks (TOSN) · 2025
Saad Ahmed, Bashima Islam, Kasim Sinan Yildirim, Marco Zimmerling, Przemysław Pawełczak, Muhammad Hamad Alizai, Brandon Lucia, Luca Mottola, Jacob Sorber, Josiah Hester The Internet of Batteryless Things Communications of the ACM (CACM) · 2024
Hassan Habib Chaudhry, Ramish Majeed Raja, Muhammad Azmeer Zahid, Nauman Zaffar, Muhammad Hamad Alizai, Naveed Anwar Bhatti Usage‑Centered, Efficient, and Sustainable: An IoT‑Driven Transformation of Water Heaters Data‑Centric Engineering 5:e36 · 2024
Samar Abbas, Ahmed Ehsan, Saad Ahmed, Sheraz Ali Khan, Tariq M. Jadoon, Muhammad Hamad Alizai ASHRAY: Enhancing Water‑Usage Comfort in Developing Regions using Data‑Driven IoT Retrofits ACM Transactions on Cyber‑Physical Systems (TCPS) · 2022
Saad Ahmed, Naveed Anwar Bhatti, Martina Brachmann, Muhammad Hamad Alizai A Survey on Program‑State Retention for Transiently‑Powered Systems Journal of Systems Architecture · 102013 · 2021
Saad Ahmed, Muhammad Nawaz, Abu Bakar, Naveed Bhatti, Muhammad Hamad Alizai, Junaid Haroon Siddiqui, Luca Mottola Demystifying Energy Consumption Dynamics in Transiently‑Powered Computers ACM Transactions on Embedded Computing Systems (TECS) · 2020
Saad Ahmed, Naveed Bhatti, Muhammad Hamad Alizai, Junaid Haroon Siddiqui, Luca Mottola Fast and Energy‑Efficient State Checkpointing for Intermittent Computing ACM Transactions on Embedded Computing Systems (TECS) · 2020
Samar Abbas, Abu Bakar, Yasra Chandio, Khadija Hafeez, Ayesha Ali, Tariq M. Jadoon, Muhammad Hamad Alizai Inverted HVAC: Greenifying Older Buildings, One Room at a Time ACM Transactions on Sensor Networks (TOSN) · 14(3‑4) · 2018
Yasra Chandio, Jó Ágila Bitsch, Affan A. Syed, Muhammad Hamad Alizai Networking Wireless Energy in Embedded Networks ACM Transactions on Sensor Networks (TOSN) · 14(2) · 2018
Muhammad Waqar Aziz, Farhan Naeem, Muhammad Hamad Alizai, Khan Bahadar Khan Automated Solutions for Crowd Size Estimation Social Science Computer Review · 2017
Muhammad Hamad Alizai (single author) Practical and Self‑Configurable Multihop Wireless Infrastructure – A Functional Perspective International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC) · 24(4) · 2017
Naveed Bhatti, Muhammad Hamad Alizai, Affan A. Syed, Luca Mottola Energy Harvesting and Wireless Transfer in Sensor Network Applications: Concepts and Experiences ACM Transactions on Sensor Networks (TOSN) · 12(3) · 2016
Zaafar Ahmed, Muhammad Hamad Alizai, Affan A. Syed InKeV: In‑Kernel Distributed Network Virtualization for DCN ACM SIGCOMM Computer Communication Review (CCR) · July 2016
Sheraz Ali Khan, Muhammad Moosa, Farhan Naeem, Muhammad Hamad Alizai, Jong‑Myon Kim Protocols and Mechanisms to Recover Failed Packets in Wireless Networks: History and Evolution IEEE Access 4 · 2016
Waqaas Munawar, Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle Modular Remote Reprogramming of Sensor Nodes International Journal of Sensor Networks (IJSNet) · 19(3‑4) · 2015
Naveed Bhatti, Affan A. Syed, Muhammad Hamad Alizai Laser‑Based Energy Distribution Architecture for Decoupling Energy and Sensing Planes in WSN International Journal of Distributed Sensor Networks (IJDSN) · 2015
Muhammad Hamad Alizai, Klaus Wehrle Probabilistic Location‑Free Addressing Scheme for Multi‑Hop Wireless Networks Journal of Network and Computer Applications (JNCA) · 41:167‑181 · 2014
Ismet Aktas, Florian Schmidt, Muhammad Hamad Alizai, Klaus Wehrle Harnessing Cross‑Layer Design Ad Hoc Networks · 13(B):444‑461 · 2014
Muhammad Hamad Alizai, Hanno Wirtz, Bernhard Kirchen, Klaus Wehrle Portable Wireless‑Networking Protocol Evaluation Journal of Network and Computer Applications (JNCA) · 36(4):1230‑1242 · 2013
Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle Exploiting the Burstiness of Intermediate Quality Wireless Links International Journal of Distributed Sensor Networks (IJDSN) · ID 212876 · 2012
International Conferences & Workshops
Abdur‑rahman Ibrahim Sayid‑Ali, Abdullah Soomro, Abdul Rafay, Naveed Anwar Bhatti, Muhammad Hamad Alizai CheckMate: LLM‑Powered Approximate Intermittent Computing ACM SenSys · Irvine · 2025 · Acceptance Rate 18%
Ahmed Najeeb, Abdul Rafay, Muhammad Hamad Alizai, Naveed Anwar Bhatti Glitch in Time: Exploiting Temporal Misalignment of IMU for Eavesdropping ACM AsiaCCS · Hanoi · 2025 · Acceptance Rate ≈15%
Muhammad Abdullah Soomro, Naveed Anwar Bhatti, Muhammad Hamad Alizai Approxify: Automating Energy‑Accuracy Trade‑offs in Batteryless IoT Devices IEEE WCNC · Milan · 2025
Justus Breyer, Jonas Koerhuis, Muhammad Hamad Alizai, Klaus Wehrle Practical Insights from Implementing Event‑Based NILM Systems ACM e‑Energy · 2025
Justus Breyer, Sparsh Jauhari, René Glebke, Muhammad Hamad Alizai, Markus Stroot, Klaus Wehrle Investigating Domain Bias in NILM ACM BuildSys · Hangzhou · 2024 · Acceptance Rate 30%
Justus Breyer, Maximilian Petri, Muhammad Hamad Alizai, Klaus Wehrle A Critical Review of Household Water Datasets ACM BuildSys · Hangzhou · 2024 · Acceptance Rate 30%
Farhan Asghar, Tehreem Fatima, Junaid Haroon Siddiqui, Naveed Anwar Bhatti, Muhammad Hamad Alizai Shepard: Dynamic Placement of Microservices in the Edge‑Cloud Continuum MobiQuitous · Melbourne · 2023 · Acceptance Rate 30%
Hassan Habib Chaudhry, Ramish Majeed Raja, Muhammad Hamad Alizai, Nauman Zaffar, Naveed Anwar Bhatti From Waste to Watts: A Self‑Sustaining Water Heating System Powered by a Thermoelectric Generator ACM BuildSys · Istanbul · 2023 · Acceptance Rate 30%
Muhammad Azmeer Zahid, Nauman Zaffar, Muhammad Hamad Alizai Saving Natural Gas through Smart Water Heating ACM BuildSys · Boston · 2022 · Acceptance Rate 30%
Andrea Maioli, Luca Mottola, Muhammad Hamad Alizai, Junaid Haroon Siddiqui Discovering the Hidden Anomalies of Intermittent Computing EWSN · Delft · 2021 · Acceptance Rate 31%
Mikhail Afanasov, Naveed Bhatti, Dennis Campagna, Giacomo Caslini, Fabio Massimo Centonze, Koustabh Dolui, Andrea Maioli, Erica Barone, Muhammad Hamad Alizai, Junaid Haroon Siddiqui, Luca Mottola Battery‑less Zero‑Maintenance Embedded Sensing at the Mithraeum of Circus Maximus ACM SenSys · Yokohama · 2020 · Acceptance Rate 20%
Samar Abbas, Ahmed Ehsan, Saad Ahmed, Sheraz Ali Khan, Tariq M. Jadoon, Muhammad Hamad Alizai No‑Frills Water Comfort for Developing Regions ACM/IEEE IPSN · Sydney · 2020 · Acceptance Rate 22%
Saad Ahmed, Qurat ul Ain, Junaid Haroon Siddiqui, Luca Mottola, Muhammad Hamad Alizai Intermittent Computing with Dynamic Voltage and Frequency Scaling EWSN · Lyon · 2020 · Acceptance Rate 31% · Best Paper Candidate
Adriano Branco, Luca Mottola, Muhammad Hamad Alizai, Junaid H. Siddiqui Intermittent Asynchronous Peripheral Operations ACM SenSys · New York · 2019 · Acceptance Rate 19% · Best Paper Candidate
Saad Ahmed, Naveed Anwar Bhatti, Muhammad Hamad Alizai, Junaid Haroon Siddiqui, Luca Mottola Efficient Intermittent Computing with Differential Checkpointing ACM LCTES · Phoenix · 2019 · Acceptance Rate 31%
Saad Ahmed, Abu Bakar, Naveed Anwar Bhatti, Muhammad Hamad Alizai, Junaid Haroon Siddiqui, Luca Mottola The Betrayal of Constant Power × Time: Finding the Missing Joules of Transiently‑Powered Computers ACM LCTES · Phoenix · 2019 · Acceptance Rate 31%
Andrea Maioli, Luca Mottola, Muhammad Hamad Alizai, Junaid Haroon Siddiqui WiP: On Intermittence Bugs in the Battery‑less Internet of Things ACM LCTES · Phoenix · 2019
Hassan Iqbal, Muhammad Hamad Alizai, Ihsan Ayyub Qazi, Olaf Landsiedel, Zartash Afzal Uzmi Scylla: Interleaving Multiple IoT Stacks on a Single Radio ACM CoNEXT · Heraklion · 2018 · Acceptance Rate 17%
Khadija Hafeez, Yasra Noman, Abu Bakar, Ayesha Ali, Affan A. Syed, Tariq M. Jadoon, Muhammad Hamad Alizai Inverting HVAC for Energy Efficient Thermal Comfort in Populous Emerging Countries ACM BuildSys · Delft · 2017 · Acceptance Rate 31% · Audience Choice Award
Muhammad Hamad Alizai, Qasim Raza, Yasra Chandio, Affan A. Syed, Tariq M. Jadoon Simulating Intermittently Powered Embedded Networks ACM EWSN · Graz · 2016
Muhammad Hamad Alizai, Moosa Khattak, Dong Han, Omprakash Gnawali, Affan A. Syed Recycling Corrupt Packets over Multiple Hops ACM EWSN · Porto · 2015 · Acceptance Rate 21.5%
Noshab Gul, Safi ur Rehman, Muhammad Hamad Alizai Mathematical Modeling & Optimization Applied to Mine Planning and Design using Parallel Computing Paradigm National Conference on Mathematical Sciences · Malakand · 2014
Naveed Bhatti, Affan A. Syed, Muhammad Hamad Alizai Sensors with Lasers: Building a WSN PowerGrid ACM IPSN · Berlin · 2014
Ismet Aktas, Matin Henze, Muhammad Hamad Alizai, Kevin Moellering, Klaus Wehrle Graph‑Based Redundancy Removal Approach for Multiple Cross‑Layer Interactions IEEE COMSNETS · Bangalore · 2014
Hanno Wirtz, Muhammad Hamad Alizai, Klaus Wehrle Fuzzy Logical Coordinates and Location Services for Scalable Addressing in Wireless Networks WONS · Banff · 2013
Ismet Aktas, Florian Schmidt, Muhammad Hamad Alizai, Tobias Druener, Klaus Wehrle CRAWLER: An Experimentation Platform for System Monitoring and Cross‑Layer Coordination IEEE WoWMoM · San Francisco · 2012
Florian Schmidt, Muhammad Hamad Alizai, Ismet Aktas, Klaus Wehrle Refector: Heuristic Header Error Recovery for Error‑Tolerant Transmissions ACM CoNEXT · Tokyo · 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 ACM WiNTECH · Las Vegas · 2011
Tobias Vaegs, Muhammad Hamad Alizai, Jó Ágila Bitsch Link, Klaus Wehrle Efficient Power Management using Out‑of‑Band Signaling GI/ITG FGSN · Paderborn · 2011
Muhammad Hamad Alizai, Hanno Wirtz, Georg Kunz, Benjamin Grap, Klaus Wehrle Efficient Online Estimation of Bursty Wireless Links IEEE ISCC · Corfu · 2011
Muhammad Hamad Alizai, Tobias Vaegs, Olaf Landsiedel, Stefan Götz, Jó Ágila Bitsch Link, Klaus Wehrle Probabilistic Addressing: Stable Addresses in Unstable Wireless Networks ACM IPSN · Chicago · 2011
Waqaas Munawar, Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle Dynamic TinyOS: Modular and Transparent Incremental Code‑Updates for Sensor Networks IEEE ICC · Cape Town · 2010
Tobias Vaegs, Muhammad Hamad Alizai, Klaus Wehrle Probabilistic Addressing in Wireless Networks IEEE Student Conference · TUHH · 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 ACM/IEEE IPSN · Stockholm · 2010
Jó Ágila Bitsch Link, Gregor Fabritius, Muhammad Hamad Alizai, Klaus Wehrle BurrowView: Seeing the World through the Eyes of Rats IQ2S/IEEE PerCom · Mannheim · 2010
Muhammad Hamad Alizai, Georg Kunz, Olaf Landsiedel, Klaus Wehrle Promoting Power to a First‑Class Metric in Network Simulations ARCS · Hannover · 2010
Muhammad Hamad Alizai, Olaf Landsiedel, Jó Ágila Bitsch Link, Stefan Goetz, Klaus Wehrle Bursty Traffic over Bursty Links ACM SenSys · Berkeley · 2009
Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle Modeling Execution Time and Energy Consumption in Sensor Node Simulation PIK Journal Special Issue · 2009
Waqaas Munawar, Olaf Landsiedel, Muhammad Hamad Alizai, Klaus Wehrle Remote Incremental Adaptation of Sensor Network Applications GI/ITG FGSN · Hamburg · 2009
Muhammad Hamad Alizai, Olaf Landsiedel, Jó Ágila Bitsch Link, Stefan Goetz, Klaus Wehrle Routing over Bursty Wireless Links GI/ITG FGSN · Hamburg · 2009
Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle, Alexander Becher Challenges in Short‑Term Wireless Link Quality Estimation GI/ITG FGSN · Berlin · 2008
Raimondas Sasnauskas, Jó Ágila Bitsch Link, Muhammad Hamad Alizai, Klaus Wehrle Bug Hunting in Sensor Network Applications GI/ITG FGSN · Berlin · 2008
Olaf Landsiedel, Muhammad Hamad Alizai, Klaus Wehrle When Timing Matters: Enabling Time‑Accurate & Scalable Simulation of Sensor Network Applications ACM/IEEE IPSN · St. Louis · 2008
Muhammad Hamad Alizai, Olaf Landsiedel, Klaus Wehrle Accurate Timing in Sensor Network Simulation GI/ITG FGSN · Aachen · 2007
Posters & Demos
Muhammad Saad Ali, Daanish Uddin Khan, Laiba Ahmed Intazar, Areeba Shahzad, Maham Zahid, Mohammad Shaharyar Ahsan, Naveed Anwar Bhatti, Muhammad Hamad Alizai Poster: Bridging IoT Gaps in Developing Regions with LLMs EWSN · Abu Dhabi · 2024
Abdullah Soomro, Naveed Anwar Bhatti, Muhammad Hamad Alizai Poster: Automating Approximations in Batteryless IoT Devices EWSN · Abu Dhabi · 2024
Saad Ahmed, Muhammad Hamad Alizai, Naveed A. Bhatti, Junaid H. Siddiqui, Luca Mottola Poster Abstract: Towards Smaller Checkpoints for Better Intermittent Computing ACM/IEEE IPSN · Porto · 2018
Hassan Iqbal, Muhammad Hamad Alizai, Zartash Afzal Uzmi, Olaf Landsiedel Poster Abstract: Taming Link‑Layer Heterogeneity in IoT through Interleaving Multiple Link‑Layers over a Single Radio ACM SenSys · Delft · 2017
Saad Ahmed, Hassan Khan, Junad Haroon Siddiqui, Jó Ágila Bitsch, Muhammad Hamad Alizai Poster Abstract: Incremental Checkpointing for Interruptible Computations ACM SenSys · Stanford · 2016
Muhammad Hamad Alizai, Bernhard Kirchen, Jó Ágila Bitsch Link, Hanno Wirtz, Klaus Wehrle Poster Abstract: TinyOS Meets Wireless Mesh Networks ACM SenSys · Zurich · 2010 · Best Abstract Award
Muhammad Hamad Alizai, Tobias Vaegs, Olaf Landsiedel, Raimondas Sasnauskas, Klaus Wehrle Statistical Vector‑Based Point‑to‑Point Routing in Wireless Networks ACM/IEEE IPSN Poster Program · Stockholm · 2010
Raimondas Sasnauskas, Jó Ágila Bitsch, Muhammad Hamad Alizai, Klaus Wehrle KleeNet – Automatic Bug Hunting in Sensor Network Applications ACM SenSys Poster Program · Raleigh · 2008
Theses
Muhammad Hamad Alizai Exploiting Wireless Link Dynamics PhD Thesis · RWTH Aachen University · 2012
Muhammad Hamad Alizai Accurate Timing in Sensor Network Simulations Master's Thesis · RWTH Aachen University · 2007