Research

Research Interests:

• Signal processing techniques for wireless communications

• Radio resource allocation and management 

• Dynamic spectrum access

• Green radio communications 

• Energy harvesting wireless communication

• Machine Learning for RAN

• Spectrum sharing

• Wireless Caching

• Near/Net Zero energy devices 

Supervision:

• PhD Students:

Co-supervisor: Ramy Amr (2017-2020)

• Postdoc:

Co-supervisor: Indrakshi Dey (2017-2019)

• Visiting Researchers/Interns:

     Hamza Khan (2019)

     Maria Dimitropoulou (2022)

Publications:

Book Chapters:

1. Ramy Amer, M. Majid Butt and Nicola Marchetti, "Caching at the Edge in Low Latency Wireless Networks", in book Wireless Automation as an Enabler for the Next Industrial Revolution , Print ISBN 9781119552611, Wiley, Jan 2020.

2. Eduard A. Jorswieck and M. Majid Butt,"Resource Allocation for Shared Spectrum Networks" in book Spectrum Sharing: The next frontier in Wireless Networks, published by Wiley, 2019.

3. M. Majid Butt, J. McMenamy, A. Farhang, I. Macaluso, C. Galiotto, N. Marchetti, “Resource Management Techniques in Licensed Shared Access Networks”, in book Networks of the Future – Architectures, Technologies, and Implementations, ISBN 9781498783972, CRC Press, Oct, 2017.

4. M. Majid Butt, Ioannis Krikidis, Amr Mohamed, Mohsen Guizani, “RF Energy Harvesting Communications: Recent Advancesand Research Issues”, in book Energy management in wireless cellular and ad-hoc networks, published by Springer, ISBN 978-3-319-27566-6, Jan, 2016.                                                                                                                                           

Journal Articles:  

1. M. Majid Butt, Nitin R. Mangalvedhe, Nuno K. Pratas, Johannes Harrebek, John Kimionis, Muhammad Tayyab, Oana-Elena Barbu, Rapeepat Ratasuk, and Benny Vejlgaard, "Ambient IoT: A missing link in 3GPP IoT Devices Landscape", in IEEE IoT Magazine, vol. 7, no. 2, pp. 85-92, March 2024.

2. Mohammad Abualhayjaa, Anthony Centeno, Lina Mohjazi, M. Majid Butt, Philippe Sehier, and Muhammad Ali Imran, "Exploiting Multi-Hop RIS-Assisted UAV Communications: Performance Analysis", IEEE Communication Letters, vol. 28, no. 1, pp. 133-137, Jan. 2024.

3. Muhammad K. Shehzad, Luca Rose, M. Majid Butt, István Z. Kovács, Mohamad Assaad, and Mohsen Guizani, "Artificial Intelligence for 6G Networks: Technology Advancement and Standardization", IEEE Vehicular Technology magazine, Vol. 17, no.3, Sep 2022.

4. Ramy Amer, Hesham ElSawy, Jacek Kibiłda, M. Majid Butt, Nicola Marchetti , "Performance Analysis and Optimization of Cache-Assisted CoMP for Clustered D2D Networks", IEEE transactions on Mobile Computing, vol. 21, no. 4, pp. 1334-1348, April, 2022.

5. Shahid Mumtaz, Chunxiao Jiang, Antti Tölli, Anwer Al-Dulaimi, M. Majid Butt, Hafiz M. Asif, M. Ikram Ashraf "6G: The Paradigm for Future Wireless Communications", editorial, IEEE Wireless Communications, Feb 2022.

6. Miroslav Mitev, M. Majid Butt, Philippe Sehier, Arsenia Chorti, Luca Rose, Arto Lehti, "Smart Link Adaptation and Scheduling for IIoT", IEEE Networking Letters, vol. 4, no. 1, pp. 6-10, March 2022.  

7. M. Majid Butt,  Anna Pantelidou, Istvan Z. Kovacs, "ML-Assisted UE Positioning: Performance Analysis and 5G Architecture Enhancements", IEEE Open Journal of Vehicular Technology, vol. 2, pp. 377-388, 2021, doi: 10.1109/OJVT.2021.3110134.

8. Ramy Amer, Mohamed Baza, Tara Salman, M. Majid Butt, Ahmad Alhindi, Nicola Marchetti, "Optimizing Joint Probabilistic Caching and Channel Access for Clustered D2D Networks",  in Journal of Communication and Networks, vol. 23, no.6,pp. 433-441, Dec 2021.

9. Ayesha Ayub, Sobia Jangsher, M. Majid Butt, Abdur Rahman Maud, Farrukh Bhatti, "A Comparative Analysis of Wi-Fi Offloading and Cooperation in Small Cell Network", Electronics. 2021; 10(12):1493. https://doi.org/10.3390/electronics10121493 . 

10. M. Majid Butt, Celso Grebogi,  Irene Macaluso, Murilo S. Baptista,  Nicola Marchetti, Pedro H. Juliano Nardelli,  Robert Hunjet, and  Ryan Thomas,"Special Section Editorial: Complex network analysis and engineering in 5G and Beyond toward 6G", in IEEE ACCESS , vol 8, pp. 227751-227755, Dec 2020.

11. G. K. Papageorgiou, K. Voulgaris, K. Ntougias, D. K. Ntaikos, M. Majid Butt, C. Galiotto, N. Marchetti, V. Frascolla, H. Annouar, A. Gomes, A. J. Morgado, M. Pesavento, T. Ratnarajah, K. Gopala, F. Kaltenberger, D. T. M. Slock, F. Khan and C. B. Papadias "Advanced Dynamic Spectrum 5G Mobile Networks Employing Licensed Shared Access", in IEEE Communication Magazine, vol. 58 , no. 7 , July 2020. 

12. Ramy Amer, Hesham Elsawy, M. Majid Butt, Eduard A. Jorswieck, Mehdi Bennis and Nicola Marchetti,"Optimized Caching and Spectrum Partitioning for D2D enabled Cellular Systems with Clustered Devices", in IEEE transactions on Communications, vol. 68, no. 7, pp. 4358-4374, July 2020.

13. Indrakshi Dey, Pierluigi Salvo Rosii, M. Majid Butt, and Nicola Marchetti, "Experimental Analysis of Wideband Spectrum Sensing Networks using Massive MIMO Testbed",  in IEEE transactions on Communications, vol. 68, no. 9, pp. 5390-5405, Sept. 2020.

14. Shanshan Tu, Q. Lin, M. Waqas, Sadaqat Ur Rehman, M. Hanif , C. Xiao, M. Majid Butt and Chin-Chen Chang, "Tracking Area List Allocation Scheme Based on Overlapping Community Algorithm" , in Elsevier Computer Networks, Volume 173, May, 2020.

15. M. Majid Butt,  Galymzhan Nauryzbayev and Nicola Marchetti, "On Maximizing Information Reliability in Wireless Powered Cooperative Networks",  in Physical Communication, vol. 43, no. 101060, Dec 2020. 

16. M. Majid Butt,  Indrakshi Dey, Merim Dzaferagic, Maria Murphy, Nicholas Kaminski, and Nicola Marchetti, "Agent-Based Modelling Approach for Distributed Decision Support in an IoT Network",   in IEEE Internet of Things Journal, vol. 7, no. 8, pp. 6919-6931, Aug. 2020. 

17. Andrea Bonfante, Lorenzo Galati Giordano, David Lopez-Perez, Adrian Garcia-Rodriguez, Giovanni Geraci, Paolo Baracca, M. Majid Butt, and Nicola Marchetti "5G Massive MIMO Architectures: Self-Backhauled Small Cells versus Direct Access ", in IEEE trans. vehicular technologies, vol. 68, no. 10, pp. 10003-10017, Oct. 2019.

18. M. Majid Butt, Irene Macaluso, Carlo Galiotto and Nicola Marchetti, “Fair Dynamic Spectrum Management in Licensed Shared Access Systems”, IEEE Systems Journal, vol 13, issue 3, Sept 2019.

19. Indrakshi Dey, Pierluigi Salvo Rosii, M. Majid Butt, and Nicola Marchetti, "Virtual MIMO Wireless Sensor Networks: Propagation Measurements and Fusion Performance",  IEEE trans. Antennas & Propagation, vol. 67, issue 8, Aug 2019.

20. Indrakshi Dey, M. Majid Butt, and Nicola Marchetti, "Throughput Analysis for Virtual MIMO WSNs over Measured MIMO Channels",  IEEE trans. Instrumentation & Measurement,  vol. 68 , no. 1,  Jan 2019. 

21. M. Majid Butt, Irene Macaluso, Eduard A. Jorswieck, Julie Bradford, Nicola Marchetti and Linda Doyle “Spectrum Matching in Licensed Spectrum Sharing”, transactions on Emerging Telecommunications Technologies  (ETT), vol 29, no. 10, Oct 2018.

22. M. Majid Butt, Eduard A. Jorswieck, and Nicola Marchetti, "On Optimizing Power Allocation For Reliable Communication over Fading Channels with Uninformed Transmitter", IEEE trans. Wireless communications, vol. 17, no. 10, pp 6617-6629, Oct 2018.

23. Ramy Amer, M. Majid Butt, Mehdi Bennis and Nicola Marchetti, "Inter-cluster Cooperation for Wireless D2D Caching Networks", IEEE trans. Wireless Communications, vol. 17, no. 9, pp. 6108-6121, Sept. 2018.

24. M. Majid Butt, Eduard A. Jorswieck and Amr Mohamed, "Energy and Bursty Packet Loss Tradeoff Over Fading Channels: A System-Level Model”,  IEEE Systems journal, vol. 12, no. 1, pp. 527-538, March 2018.

25. C. Galiotto, G. K. Papageorgiouy, K. Voulgarisy, M. Majid Butt, N. Marchetti, and C. B. Papadias, "Unlocking the Deployment of Spectrum Sharing with a Policy Enforcement Framework", IEEE Access, Vol. 6, no. 1, pp 11793-11803, Jan 2018.

26. M. Majid Butt, Petar Popovski, M. Zeeshan Shakir, David Lopez Perez, Tony Quek and Mohsen Guizani,  "Physical and Medium Access Control Layer Advances in 5G Wireless Networks", IEEE Access (editorial), vol. 5, no. 1, pp. 1-5, Dec, 2017.

27. Mahmoud Ashour, M. Majid Butt, Amr Mohamed, Tamer ElBatt and Marwan Kunz” Energy-aware Cooperative Wireless Networks with Multiple Cognitive Users”,  IEEE trans. Communications, vol. 64, no. 8, pp 3233-3245, Aug 2016.

28. M. Majid Butt, Ahmed M. Salama, Amr Mohamed and Mohsen Guizani “Relay Selection to Minimize Outage Probability in Wireless Powered Communication Networks”,  IET Signal processing, special issue on signal processing in large scale 5G wireless networks, vol. 10, no. 3, pp 203-209, May, 2016.

29. Imran Ahmed, M. Majid Butt, Constantinos Psomas, Amr Mohamed, Ioannis Krikidis and Mohsen Guizani, “ Survey on Energy Harvesting Wireless Communications: Challenges and Opportunities for Radio Resource Allocation”, Elsevier Computer Networks, Vol. 88, pp. 234-248, Sep 2015.

30. M. Majid Butt, Eduard A. Jorswieck and Bjorn Ottersten, "Maximizing Energy Efficiency in Multiple Access Channels by Exploiting Packet Dropping and Transmitter Buffering",  IEEE trans. Wireless Communications, vol. 14, no. 8, pp. 4129 - 4141, Aug. 2015.

31. M. Majid Butt, Ralf R. Müller, Kimmo Kansanen “Individual Packet Deadline Delay Constrained Opportunistic Scheduling for large multiuser systems” Eurasip journal on wireless communications and networking, 2014, 2014: 65.

32. M. Majid Butt and Eduard A. Jorswieck, "Maximizing System Energy Efficiency by Exploiting Multiuser Diversity and Loss Tolerance of the Applications", IEEE trans. wireless communications. vol. 12, no.9, pp 4392-4401, Sep., 2013.

33. M. Majid Butt, Dzevdan Kapetanovic, Bjorn Ottersten, "Maximizing Minimum Throughput Guarantees: The Small Violation Probability Region",  IEEE Wireless Communication Letters ,  vol. 2, no. 3, pp 271-274, June, 2013.

34. M. Majid Butt, “Energy-Performance Trade-offs in Multiuser Scheduling: Large System Analysis”,  IEEE Wireless Communication Letters, vol. 1, no. 3, pp 217-220, June, 2012.

35. Justus Ch. Fricke, M. Majid Butt and Peter A. Hoeher, “Quality Oriented Adaptive Forwarding for Wireless Relaying”, IEEE Communication Letters, Vol. 12, pp.  200-202, March 2008.

Conference Proceedings:

1. Maria Dimitropoulou, M. Majid Butt, Constantinos Psomas, Ahlem Khlass, and Ioannis Krikidis, "Analysis of scheduling schemes in wireless powered backscatter communication networks with spatial randomness", in Proc. IEEE WCNC, Mar, 2023, Glasgow, UK.

2. Muhammad Tayyab, Niko Kolehmainen, M. Majid Butt, Ahlem Khlass, Rapeepat Ratasuk, "Energy Efficient RRM Relaxation for Reduced Capability UEs in 5G Networks", in Proc. IEEE Globecom, Dec, 2022, Rio de Janeiro, Brazil.

3. Jian Song, István Z. Kovács, M. Majid Butt, Jens Steiner, Klaus Pedersen, "Intra-RAN Online Distributed Reinforcement Learning For Uplink Power Control in 5G Cellular Networks", in Proc. IEEE VTC-Spring, June, 2022, Helsinki, Finland. 

4. Mohammad Abualhayja'a, Anthony Centeno, Lina Mohjazi, M. Majid Butt, Philippe Sehier, Qammer Abbasi, Muhammad Imran, "Performance of Reconfigurable Intelligent Surfaces vs. Relaying for UAV-Assisted Communications",  in Proc. IEEE International Symposium on Antennas and Propagation, Dec 2021, Singapore.  

5. M. Umar Bin Farooq , Junaid Qadir , M. Majid Butt, Muhammad Naeem, and Ali Imran "Utilizing Loss Tolerance and Bandwidth Expansion for Energy Efficient User Association in HetNets", in Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) , London, UK, Sep 2020. 

6. Hamza Khan, M. Majid Butt, Sumudu Samarakoon, Philippe Sehier, and Mehdi Bennis, "Deep Learning Assisted CSI Estimation for Joint URLLC and eMBB Resource Allocation", in Proc. IEEE ICC-workshops,  Dublin, Ireland, June, 2020.

7. M. Majid Butt, Anil Rao, Daejung Yoon, “RF Fingerprinting and Deep Learning Assisted UE Positioning in 5G” , in Proc IEEE VTC-Spring workshops, Antwerp, Belgium, May, 2020.

8. Ramy Amer,  Walid Saad, Hesham Elsawy, M. Majid Butt and Nicola Marchetti, "Caching to the Sky: Performance Analysis of Cache-Assisted CoMP for Cellular-Connected UAVs", in Proc. IEEE Wireless communications and networking conference (WCNC), Marrakech, Morocco, April, 2019.

9. Ramy Amer, Hesham Elsawy, Jacek Kibilda, M. Majid Butt and Nicola Marchetti, "Cooperative Transmission and Probabilistic Caching for Clustered D2D Networks", in Proc. IEEE Wireless communications and networking conference (WCNC), Marrakech, Morocco, April, 2019.

10. Conor Sexton, M. Majid Butt, Nicola Marchetti and Luiz DaSilva,"On Matching Users to Specialised MNOs in Service Tailored Networks of the Future",  in Proc. IEEE Global Communication Conference (Globecom) workshops, Abu Dhabi, UAE, Dec, 2018.

11. Waqas ur Rehman, Arshad Hussain, M. Majid Butt, "Joint User Association and BS Switching Scheme for Green Heterogeneous Cellular Network", in Proc. IEEE Global Communication Conference (Globecom) workshops, Abu Dhabi, UAE, Dec, 2018.

12. Andrea Bonfante, Lorenzo Galati Giordano, David Lopez-Perez, Adrian Garcia-Rodriguez, Giovanni Geraci, Paolo Baracca, M. Majid Butt, Merim Dzaferagic and Nicola Marchetti, "Performance of Massive MIMO Self-Backhauling for Ultra-Dense Small Cell Deployments", in Proc. IEEE Global Communication Conference (Globecom), Abu Dhabi, UAE, Dec, 2018.

13. Ramy Amer, M. Majid Butt, Hesham ElSawy, Mehdi Bennis, Jacek Kibiłda and Nicola Marchetti, "On Minimizing Energy Consumption for D2D Clustered Caching Networks", in Proc. IEEE Global Communication Conference (Globecom), Abu Dhabi, UAE, Dec, 2018.

14. Indrakshi Dey, Zhixing Zhao, M. Majid Butt, Nicola Marchetti, "Enabling Full-Duplex Amplify-and-Forward Relaying for 5G Applications" in Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) , Bolgona, Italy, Sep, 2018.

15. Ramy Amer, M. Majid Butt, Mehdi Bennis and Nicola Marchetti, "Delay Analysis for Wireless D2D Caching with Inter-cluster Cooperation", in Proc. IEEE Global Communication Conference (Globecom), Singapore, Dec, 2017.

16. M. Majid Butt, Eduard A. Jorswieck and Nicola Marchetti, “Energy Efficient Scheduling for Loss Tolerant IoT Applications with Uninformed Transmitter”, in Proc. IEEE International Conference on Communications (ICC), Paris, France, May, 2017.

17. George A Ropokis, M. Majid Butt, Nicola Marchetti and Luiz DaSilva, "Optimal Power Allocation for Energy Recycling Assisted Cooperative Communications", in Proc. IEEE Wireless communications and networking conference (WCNC), San Francisco, USA, March, 2017. (invited)

18. M. Majid Butt, Ioannis Krikidis and Nicola Marchetti, “Minimizing Outage Probability by Exploiting CSI in Wireless Powered Cooperative Networks”,  in Proc. IEEE Global Communication Conference (Globecom), Washington DC, USA, December, 2016.

19. Valerio Frascolla, M. Majid Butt, Nicola Marchetti, António J. Morgado, Alvaro Gomes, Konstantinos Voulgaris, Constantinos B. Papadias, “Dynamic Licensed Shared Access - A new architecture and spectrum allocation techniques”, in  Proc. IEEE Vehicular Technology Conference (VTC-fall), Montreal, Canada, September, 2016.

20. M. Majid Butt, Carlo Galiotto and Nicola Marchetti, “Fair Dynamic Spectrum Access in Licensed Shared Access Systems”, in Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Valencia, Spain, September 2016.

21. Islam Samy, M. Majid Butt, Amr Mohamed and Mohsen Guizani, “Energy Efficient Antenna Selection for a MIMO Relay Using RF Energy Harvesting”, in Proc. IEEE Wireless communications and networking conference (WCNC), Doha, Qatar, Apr, 2016.

22. M. Majid Butt, Amr Mohamed and Mohsen Guizani, “On the Effect of Proportional Fairness in Energy Transfer for Wireless Powered Communication Networks”, in Proc. International Wireless Communications and Mobile Computing Conference (IWCMC), Dubrovnik, Croatia, Aug., 2015.

23. M. Majid Butt, Adnan Nasir, Amr Mohamed and Mohsen Guizani “Trading wireless Information and Energy Transfer: Relay Selection Schemes to minimize the Outage Probability”, in Proc. IEEE Global Conference on Signal and Information Processing (GlobalSIP), Atlanta, Georgia, USA, December, 2014. (invited)

24. Imran Ahmed, M. Majid Butt and Amr Mohamed, “Energy Efficient Mobile Relay Selection for Two-Hop Wireless Networks”, in Proc. IEEE International Conference on Computer Systems and Applications, Doha, Qatar, Nov. 2014.

25. M. Majid Butt, Ahmed H. Anwar, Amr Mohamed and Tamer ElBatt “Effective Capacity of Cognitive Radio Links: Accessing Primary Feedback Erroneously”, in Proc. International Symposium on Wireless Communication Systems (ISWCS), Barcelona, Spain, August, 2014.

26. Mahmoud Ashour, M. Majid Butt and Amr Mohamed “On the Power Efficiency for Cognitive Radio Networks with Multiple Relays”, in Proc. IEEE International Symposium on Information Theory (ISIT), Honolulu, Hi, USA, June, 2014.

27. M. Majid Butt, Eduard A. Jorswieck and Amr Mohamed, “Energy Efficient Scheduling: Statistical Guarantees on Successive Packet Loss”, in Proc. International Workshop on Physics- inspired paradigms in wireless communications and networks (Physcomnet) in conjunction with WIOPT, Hammamet, Tunisia, May, 2014.

28. M. Majid Butt, Eduard A. Jorswieck and Bjorn Ottersten, "Maximizing Energy Efficiency for Loss Tolerant Applications: The Packet Buffering Case", in Proc. IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), London, UK, September 2013.

29. Dzevdan Kapetanovic, M. Majid Butt, Symeon Chatzinotas and Bjӧrn Ottersten, "Secondary Users Scheduling Under Throughput Guarantees for the Primary Network", in Proc. International Workshop on Wideband Mobile Cognitive Radio Communications and Networks in conjunction with VTC-2013-fall, Las Vegas, USA, September 2013.

30.  Alessandro Guidotti, Loredana Arienzo, M. Majid Butt, Laurent Combelles, Symeon Chatzinotas, Nicolas Chuberre, Barry Evans, Thibault Gallet, Joel Grotz, Dzevdan   Kapetanovic, Konstantinos Liolis, Miguel López-Benítez, Shree Krishna Sharma, Gerald Schlueter,  Daniele Tarchi and Alessandro Vanelli-Coralli, "Cognitive Radios in SatComs: Business, Regulatory, Standardization, and Technological Drivers", in Proc. 31st AIAA International Communication Satellite Systems Conference, Florence, Italy, October 2013.

31. M. Majid Butt and Eduard A. Jorswieck, “Energy Efficient Multiuser Scheduling: Exploiting the Loss Tolerance of the Application”, in Proc. IEEE Global Communication Conference (Globecom), Anaheim, CA, USA, December, 2012.

32. M. Majid Butt, Benjamin Shubert, Kai Borner, Martin Kurras, Thomas Haustein and Lars Thiele, "On the Energy-Bandwidth Trade-off in Green Wireless Networks: System Level Results",  in Proc. Smart and Green Communications & Networks Workshop at IEEE Conference on Communications in China (ICCC), Beijing, China, August, 2012.

33. M. Majid Butt, “Deadline Delay Constrained Multiuser Multicell Systems: Energy Efficient Scheduling” in Proc. IEEE International Workshop on Signal Processing advances in Wireless Communications (SPAWC), Cesme, Turkey, June, 2012.

34. M. Majid Butt, Kimmo Kansanen and Ralf R. Müller, “Individual Packet Deadline Constrained Scheduling For Multiuser Systems” in Proc. VTC-Spring, Budapest, Hungary, May, 2011.

35. M. Majid Butt, Kimmo Kansanen and Ralf R. Müller, “Hard Deadline Constrained Multiuser Scheduling for Random Arrivals” in Proc. IEEE Wireless Communication and Networking Conference (WCNC), Cancun, Mexico, Mar, 2011.

36. M. Majid Butt, Giuseppe Caire and Ralf R. Müller, “Linear Finite-Field Deterministic Networks with Many Sources and One Destination”, Technical report, NTNU, Trondheim, Norway, 2009.

37. M. Majid Butt, Kimmo Kansanen and Ralf R. Müller, “Optimizing system energy for wireless sensor networks using Simulated Annealing” in Proc. VERDIKT conference, Oslo, Norway,  Nov.,  2009.

38. M. Majid Butt, Kimmo Kansanen and Ralf R. Müller, “Future Rate based Opportunistic Scheduling for a multiuser system” in Proc. VERDIKT conference, Bergon, Norway,  Oct., 2008.

39. M. Majid Butt, Kimmo Kansanen and Ralf R. Müller, “Provision of Maximum Delay Guarantee at Low Energy in a Multi-user Environment” in Proc. of IEEE   International Symposium on Spread Spectrum Techniques and Applications (ISSSTA), Bologna, Italy, August 2008.

40. M. Majid Butt, Kimmo Kansanen and Ralf R. Müller, "Multiuser Opportunistic Scheduling for Hard Delay Constrained Systems" in Proc. IEEE Sarnoff Symposium, Princeton, NJ, USA, Apr., 2008.

41. M. Majid Butt, Kimmo Kansanen and Ralf R. Müller, “Opportunistic Scheduling and Delay limited Systems”, in Proc. VERDIKT conference, Trondheim, Norway,  October, 2007.

42. M. Majid Butt, “Provision of Guaranteed QoS by Hybrid Automatic Repeat Request in Interleave Division Multiple Access Systems” in Proc. IEEE conference on communication systems (ICCS), Singapore,  October, 2006.

43. M. Majid Butt, Justus Ch. Fricke and Peter A. Hoeher, “Reliability based Packet Combining with Application to Interleave division Multiple Access”, in Proc. International ITG-Conference on Source and Channel Coding, Munich, Germany, April, 2006.

Patents

More than 100 patents filed/granted. Selected patents are:

• M. Majid Butt, “SELECTION OF ASSISTING NODE PAIRS FOR TARGET AIOT DEVICES", filed 2024, Patent Application Number: 2404356.4.

• M. Majid Butt, "ENABLING COMMUNICATION FOR HYBRID AIOT DEVICES", filed 2024, Patent Application Number: 2401985.3.

• M. Majid Butt, "ENABLING COMMUNICATION FOR HYBRID AIOT DEVICES", filed 2024, Patent Application Number: 2401983.8.

• M. Majid Butt, "ENABLING COMMUNICATION FOR HYBRID AIOT DEVICES", filed 2024, Patent Application Number: 2401980.4.

• M. Majid Butt, "NETWORK SIDE IMPLEMENTATION OF DEVICE TRIGGERED MODE CHANGE REQUEST FOR HYBRID AIOT DEVICES ", filed 2024, Patent Application Number: 20245152.

• M Majid Butt, István Z Kovács, "DETECTION OF A STRAGGLER UE IN FEDERATED LEARNING OVER AIR INTERFACE ER", filed 2023, Patent Application Number: 18/390507.

• M Majid Butt, István Z Kovács, "NETWORK SIDE METHOD FOR DETECTION OF A STRAGGLER UE IN FEDERATED LEARNING OVER AIR INTERFACE ER", filed 2023, Patent Application Number: 20236402.

• M. Majid Butt, Muhammad Tayyab, Navin Hathiramani, Rapeepat, Ratasuk, Nitin Mangalvedhe, "UE BASED WIRELESS POWER TRANSFER FOR AMBIENT IOT DEVICES WITH BATTERY", filed 2023, Patent Application Number: ?.

• M Majid Butt, István Z Kovács, Amaanat Ali, Endrit Dosti, "ML TRAINING DATA COLLECTION SUSPENSION DURING HANDOVER ", filed 2023, Patent Application Number: 20236036.

• M. Majid Butt, Muhammad Tayyab, Nitin Mangalvedhe, "MODE SWITCHING SCHEMES FOR RIS-ASSISTED BACKSCATTER COMMUNICATION", filed 2023, Patent Application Number: 20236008.

• M. Majid Butt, "NETWORK CONTROLLED RANGE EXTENSION FOR PASSIVE ENERGY HARVESTING DEVICES WITH BATTERY ", filed 2023, Patent Application Number: PCT/20235977.

• M. Majid Butt, "TAG CONTROLLED RANGE EXTENSION FOR PASSIVE ENERGY HARVESTING DEVICES WITH BATTERY", filed 2023, Patent Application Number: PCT/ 20235978.

• M. Majid Butt, "IMPLEMENTATION OF NETWORK CONTROLLED RANGE EXTENSION FOR PASSIVE ENERGY HARVESTING DEVICES WITH BATTERY", filed 2023, Patent Application Number: PCT/20235975.

• M. Majid Butt, Muhammad Tayyab, Nitin Mangalvedhe, "BACKUP PROCEDURE FOR AMBIENT IOT DEVICE CONNECTIVITY THORUGH A SMARTPHONE", filed 2023, Patent Application Number: PCT/EP2023/066948.

• M. Majid Butt, Muhammad Tayyab, Nitin Mangalvedhe, "BACKUP PROCEDURE FOR AMBIENT IOT DEVICE CONNECTIVITY THORUGH A SMARTPHONE", filed 2023, Patent Application Number: 18/327974.

• M. Majid Butt, Muhammad Tayyab, Nitin Mangalvedhe, "BACKUP PROCEDURE FOR AMBIENT IOT DEVICE CONNECTIVITY THORUGH A SMARTPHONE", filed 2023, Patent Application Number: 18/328159.

• M. Majid Butt, Rapeepat Ratasuk, Tzu-Chung Hsieh, Nitin Mangalvedhe, "EXPLICIT DEACTIVATION OF AIOT DEVICES FOR FINITE PERIODS", filed 2023, Patent Application Number: 63/505746.

• M. Majid Butt, Rapeepat Ratasuk, Tzu-Chung Hsieh, Nitin Mangalvedhe, "EXPLICIT DEACTIVATION AND ACTIVATION OF AIOT DEVICES FOR FINITE PERIODS", filed 2023, Patent Application Number: 63/505770.

• M. Majid Butt, Rapeepat Ratasuk, Nitin Mangalvedhe, "SELECTION METHOD FOR AMBIENT IOT DEVICE ACCESS WITH SMARTPHONE READERS AND EXCITERS", filed 2023, Patent Application Number: 20235619.

• M. Majid Butt, Rapeepat Ratasuk, Muhammad Tayyab, Nitin Mangalvedhe, "AUTHENTICATION AND ACCESS FOR AMBIENT IOT DEVICES WITH SMARTPHONE READERS AND EXCITERS", filed 2023, Patent Application Number: PCT/EP2023/064833.

• M Majid Butt, Afef Feki, István Z Kovács, Fahad Syed Muhammad, "METHOD FOR SELECTING ADAPTIVE MODEL PARTS FOR COLLABORATIVE CONTINUAL LEARNING USING UE GROUPS", filed 2023, Patent Application Number:  63/470249.

• M Majid Butt, Afef Feki, Fahad Syed Muhammad, Miltiadis Filippou, “CONDITIONS FOR TRIGGERING FEDERATED LEARNING RETRAINING IN WIRELESS NETWORKS”, filed 2023, Patent Application Number: PCT/EP2023/064820.

• Ahlem Khlass, M. Majid Butt, Hathiramani, Navin, "READER-BASED ATTACHMENT PROCEDURE FOR PASSIVE IOT DEVICE", filed 2023, Patent Application Number: 63/486762.

• M Karam Shehzad, M. Majid Butt, Fanny Jardel, Luca Rose, "DATA AUGMENTATION FOR CSI FEEDBACK", filed 2023, Patent Application Number: FL20235082.

• M. Majid Butt, István Z Kovács, Syed Muhammad Fahad, Sakira Hassan, "ML MODEL SELECTION FOR UE SIDE INFERENCE BASED ON MODEL INPUT CONDITIONS", filed 2023, Patent Application Number: FL20235044.

• Yonggang Wang, M. Majid Butt, Nitin Mangalvedhe, "DEVICE ATTACHMENT PROCEDURE FOR BACKSCATTERING PASSIVE IOT DEVICES", filed 2022, Patent Application Number: PCT/CN2022/138836.

• István Z Kovács, M. Majid Butt, Oana-Elena Barbu, Nuno Manuel Kiilerich Pratas,"ML CONFIGURATION TRANSFER USING PROSE/SIDELINK ", filed 2022, Patent Application Number: 20226095.

• Yonggang Wang, M. Majid Butt, Nitin Mangalvedhe, Kathy Xiaomao, "Energy steps and collision arbitration in energy harvesting passive IoT", filed 2022, Patent Application Number: PCT/CN2022/128658.

• M. Majid Butt, Rapeepat Ratasuk, Ahlem Khlass, "ATTACHMENT PROCEDURE FOR PASSIVE IoT DEVICE COMMUNICATION WITH AMBIENT ENERGY SOURCE",  filed 2022, Patent Application Number: 63/417096.

• Rustam Pirmagomedov, M. Majid Butt, "A METHOD FOR REDUCING THE DIVERSITY OF THE TWO-SIDED ML MODELS INFERRED AT GNB OR UE", filed 2022, Patent Application Number: FL20225831.

• M Majid Butt, Navin Hathiramani, Ahlem Khlass, Gilsoo Lee, Nitin Mangalvedhe, Ratasuk Rapeepat, "ENERGY HARVESTING INFORMATION SUPPORTED UE SCHEDULING FOR PASSIVE IOT DEVICES", filed 2022, Patent Application Number: FL20225758.

• M. Majid Butt, Kalle Petteri Kela, István Z Kovács, Jian Song, Teemu Mikael Veijalainen, "WEIGHT COMPUTATION AND COORDINATION IN FEDERATED LEARNING BASED ON LOCAL TRAINING QUALITY", filed 2022, Patent Application Number: FL20225709.

• Syed Muhammad Fahad, M. Majid Butt, Afef Feki, "MULTI-AGENT FEDERATED LEARNING RL SOLUTION FOR UL PDCP SPLIT", filed 2022, Patent Application Number: PCT/EP2022/069707.

• Afef Feki, Butt, M. Majid Butt, Veronique Capdevielle, Anna Pantelidou, Syed Muhammad Fahad "METHOD AND APPARATUS FOR EFFICIENT TRAINING DATA COLLECTION IN RF FINGERPRINTING APPLICATIONS", filed, 2022, Patent Application Number: FL2022/5640.

• István Kovács, M Majid Butt, Petteri Kela, Jian Song, Teemu Veijalainen,"TIME-FREQUENCY SYNCHRONISED INTRA-RAN COORDINATION FOR ML-ENABLED FUNCTIONS", Patent Application Number: FL2022/5620.

• István Zsolt Kovác, M. Majid Butt, Luis Guilherme Uzeda Garcia, Oana-Elena Barbu, Hans Thomas Höhne, Klaus Ingemann, Pedersen, Jian Song, Teemu Mikael Veijalainen,"UE ML ACTION DECISION AND EVALUATION", filed 2022, Patent Application Number: PCT/EP2022/059725.

• M. Majid Butt, Horst Thomas Belling, Saurabh Khare, Yannick Lair, "5GS AND FEDERATED LEARNING APPLICATION COORDINATION FOR MODEL TRAINING", filed 2022, Patent Application Number: 202241018381. 

• M. Majid Butt, Jian Song, István Zsolt Kovács, Klaus Ingemann Pedersen"SMART ITERATIVE METHOD FOR ML INITIALIZATION AND TRAINING", filed 2022, Patent Application Number: FL2022/5086.

• M. Majid Butt, Ahlem Khlass, Nitin Mangalvedhe,  Rapeepat Ratasuk, Muhammad Tayyab, "DRX EXTENSION FOR ENERGY HARVESTING REDCAP UES", filed 2021, Patent Application Number: PCT/US63/290925.

• Jian Song, M. Majid Butt, István Zsolt Kovács, Klaus Ingemann Pedersen, "INTRA-RAN REINFORCEMENT LEARNING Q-TABLE INITIALISATION AND DISTRIBUTION", filed 2021, Patent Application Number: FL2021/6284.

• Jian Song, M. Majid Butt, István Zsolt Kovács, Klaus Ingemann Pedersen, "INTRA-RAN DUAL-CONTROL METHOD FOR ROBUST REINFORCEMENT LEARNING BASED UE CONFIGURATION PARAMETERS OPTIMIZATION", filed 2021, Patent Application Number: FL2021/6119.

• Qiyang Zhao, M. Majid Butt, Hans Thomas Höhne,"Machine Learning Assisted UE Measurement Relaxation for UE Power Saving", filed 2021, Patent Application Number: FL2021/6084. 

• Rapeepat Ratasuk, M. Majid Butt, David Bhatoolaul, Nitin Mangalvedhe, Srinivasan Selvaganapathy, "METHOD FOR FAST SCHEDULING OF RETRANSMISSION", filed, 2021, Patent Application Number: PCT/EP2021/075323.

• M Majid Butt, István Zsolt Kovács, Qiyang Zhao, "METHOD TO TRIGGER UE SIDE ML MODEL UPDATE FOR ML BASED POSITIONING", filed 2021, Patent Application Number: PCT/EP2021/075203.  

• SAURAB HKHARE, M. Majid Butt, Gerald Kunzmann, Dario Bega, Chaitanya Aggarwal, "PROGRESSIVE ML INFERENCE BETWEEN UE AND THE NETWORK", filed 2021, Patent Application Number: PCT/EP2021/074988.

• István Zsolt Kovács, Jian Song, M Majid Butt, Klaus Ingemann Pedersen, "INTRA-RAN ONLINE BASED UPLINK TRANSMIT POWER CONTROL PARAMETER OPTIMIZATION USING REINFORCEMENT LEARNING", filed 2021, Patent Application Number: FL2021/5727 

• M. Majid Butt, István Zsolt Kovács, "METHOD FOR CLUSTERING BASED HIERARCHICAL FEDERATED LEARNING MODEL TRAINING IN WIRELESS NETWORKS", filed 2021, Patent Application Number: PCT/EP2022/058757.

• M. Majid Butt, Nitin Mangalvedhe, Rapeepat Ratasuk, "ENERGY HARVESTING ARRIVAL AWARE JOINT SENSING AND TRANSMISSION", filed 2021, Patent Application Number: PCT/FL2021/5480.

• Muhammad Tayyab, M. Majid Butt, Halit Murat Gürsu, "DYNAMIC MEASUREMENT GAP ASSIGNMENT METHOD USING MACHINE LEARNING", filed 2021, Patent Application Number: PCT/EP2022/054856. 

• M. Majid Butt, Afef Feki, Veronique Capdevielle, Fahad Syed Muhammad, "METHOD TO TRIGGER RF-FINGERPRINTING MAP UPDATE IN MACHINE LEARNING ASSISTED APPLICATIONS", filed, 2021, Patent Application Number: FL2021/5167.

• Qiyang Zhao, Stefano Paris, M. Majid Butt, Janne Tapio Ali-Tolppa,"MACHINE LEARNING MODEL DISTRIBUTION", filed, 2021, Patent Application Number: PCT/EP2022/052714.

• M. Majid Butt, Stephen Mwanje, István Zsolt Kovács,"CLUSTER BASED TRAINING HOST SELECTION IN ASYNCHRONOUS FEDERATED LEARNING MODEL COLLECTION", filed, 2021, Patent Application Number: PCT/EP2021/087772. 

• Janne Tapio Ali-Tolppa, M. Majid Butt,  Ahmad Awada , Teemu Mikael Veijalainen,"MAKE-BEFORE-BREAK MOBILITY OF MACHINE LEARNING CONTEXT", filed, 2020, Patent Application Number: PCT/EP2020/083889.

• Afef Feki, M. Majid Butt, Muhammad Fahad Syed, Veronique Capdevielle, “METHOD AND APPARATUS FOR UE BATTERY AWARE CA ACTIVATION IN 5G SYSTEMS AND BEYOND”, filed, Patent Application Number: FL2020/6253, 2020.

• M. Majid Butt, Stephen Mwanje and Syed Muhammad Fahad,  "METHOD FOR SAMPLING UEs FOR FEDERATED LEARNING MODEL COLLECTION IN WIRELESS NETWORKS ", filed, 2020, Patent Application Number: PCT/EP2020/080435.

• M. Majid Butt and Stephen Mwanje,  "COMMUNICATION AWARE SCHEDULING FOR MODEL EXCHANGE IN FEDERATED LEARNING", filed 2020, Patent Application Number: PCT/EP2020/071756.

• M. Majid Butt, Veronique Capdevielle, Afef Feki, Anil Rao, "METHOD AND SYSTEM FOR BEAM FAILURE MANAGEMENT " , filed, 2020, Patent Application Number: PCT/EP2020/059303. 

Invited Talks/Tutorials:

• AI in 6G networks: Enabler to Native AI Air Interface, keynote at IEEE WCNC 2023 workshop on AI-Enabled Network Orchestration: Design Challenges and Opportunities for 6G Networks. 

• AI in 6G Networks: Path from Enabler to AI Native Air Interface, IEEE Distinguished lecture hosted by IEEE COMSOC Atlanta Section, Oct 2022.

• Federated Learning: Are Wireless Networks Ready for It?, IEEE ComSoc School Series Kuala Lumpur, Malaysia, June 2022.

• Context aware Radio Resource Allocation is 5G, IEEE Distinguished lecture at IEEE COMSOC Bangalore Section, India, Jun 2022.

• AI in 6G Networks: Path from Enabler to AI Native Air Interface, invited talk at International Conference on frontiers of information technology, Islamabad, Pakistan, Dec 2021.

• Advanced data collection for Machine Learning Solutions in 5G, invited talk at PIMRC workshops, Sep 2020.

• Ultra Reliable Low Latency Communications (URLLC) in 5G: From Theory to Reality, tutorial talk at IEEE 5G World forum, 10-12 Sep, 2020.

• NR Light: The missing link in 5G NR Landscape, invited talk  at IEEE ComSoc School Series UK and Ireland, Aug 2020.

• NR Light: The missing link in 5G NR Landscape, invited talk at GDR ISIS 2020 Workshop on Enabling ultra-reliability, low latency and massive connectivity, CNRS, Paris, France.

•  Ultra Reliable Low Latency Communications (URLLC) in 5G: From Theory to Reality, tutorial talk at ICC 2020, Dublin, Ireland.

• Signal Processing and Optimization Techniques for Ultra Reliable Low Latency Communications (URLLC), tutorial talk at IEEE PIMRC 2019, Istanbul, Turkey.

• Signal Processing and Optimization Techniques for Ultra Reliable Low Latency Communications (URLLC), tutorial talk at IEEE Globecom, Dec 2018, Abu Dhabi, UAE.

• Signal Processing and Optimization for Ultra Reliable Low Latency Communications, tutorial talk at European Signal Processing Conference (EUSIPCO), Sep 2018, Rome Italy.

• 5G and IoT Networks Meet Systems Science, tutorial talk at International Wireless Communications and Mobile Computing Conference (IWCMC), June, 2018, Limassol, Cyprus.

• Applying Complexity Sciences in IoT-based Systems and 5G Networks, tutorial talk at IEEE vehicular technology conference (VTC), May, 2018, Porto, Portugal.

• Complex Systems Science meets 5G and IoT Networks, tutorial talk at International Conference on Communications (ICC), May, 2018, Kansas City, USA.

• Shared Spectrum Access: Challenges and opportunities for the operators in 5G networks, invited talk at University of West Scotland, Nov 2017.

• Shared Spectrum Access: Challenges and opportunities for the operators in 5G networks, invited talk at IEEE COMSOC summer school, Lahore, Pakistan, July 2017.

• Complex Systems Science meets 5G and IoT Networks, tutorial at International Symposium on Wireless Communication Systems (ISWCS), Bologna, Italy, Aug, 2017.

• Future Communication Networks Modeling and Analysis Tools inspired by Complex Systems Science, tutorial at IEEE Systems conference, Montreal, Quebec, Canada, April 2017.

• Fundamentals of RF energy Harvesting Communications: Research challenges, Qatar University, Dec, 2014.

• Maximizing Minimum Throughput Guarantees: A Practical Point of View, invited talk at technical university Dresden, Germany, May 2, 2013.

• Opportunistic Scheduling and Hard Delay Constraints, 2nd CROPS workshop, Helsinki, Finland, 4-5 Dec 2007.

• WIMAX, a tutorial on standards and implementation issues, invited talk at IEEE Week, NUCES, Lahore, Pakistan, November, 2006.

Research Collaborators:

Prof Mehdi Bennis, University of Oulu, Finland

Prof Symeon Chatzinotas, University of Luxembourg.

Prof. Luiz DaSilva,  Virginia Tech.

Prof Mohsen Guizani, University of Idaho, USA.

Prof Peter A. Hoeher,  University of Kiel, Germany.

Prof Eduard A. Jorswieck, Technische Universität Braunschweig, Germany.

Prof. Ioannis Krikidis, University of Cyprus, Cyprus.

Prof Ralf Müller, University of Erlangen-Nurnberg, Germany.

Prof. Amr Mohamed, Qatar University, Qatar.

Prof. Nicola Marchetti, Trinity College, The University of Dublin, Ireland.

Prof Bjorn Ottersten, Center For Security, Reliability and Trust, University of Luxembourg, Luxembourg.