Dr. Ali Chelli is an Associate Professor at the Department of Business, Marketing and Law, University of South-Eastern Norway (USN) Campus Ringerike, Norway. He holds a Ph.D. and master’s degrees in ICT from University of Agder which were obtained in 2007 and 2013, respectively. He is an active researcher in the fields of machine learning, data analytics, eHealth, wireless communications, software engineering, and information systems. He teaches bachelor, master, and PhD courses in the fields of computer science and engineering.
Responsibilities
Bachelor Courses:
- Autumn 2021: Databases 2 (DAT2000)
- Spring 2022: eCommerce (ECO3000)
Supervision of Bachelor and Master Theses
Research
Competences
- Machine learning
- Smart home
- Activity recognition
- Data analytics
- Signal processing
- eHealth
- Wireless Communications
- Information systems
CV
Education:
2005-2007 PhD in Information and Communication Technology, University of Agder,
Norway.
2005-2007 MSc in Information and Communication Technology, University of Agder,
Norway. Best Master Thesis Award.
2000-2005 Engineer in Telecommunication, SupCom, Tunis, Tunisia.
Work Experience:
2021 – p.t. Associate Professor, University College of Southeast Norway.
2017 – 2021 Researcher, University of Agder, Grimstad, Norway.
2015 – 2017 Researcher, NTNU, Trondheim, Norway.
2014 – 2015 Postdoctoral Research Fellow, European Research Consortium for
Informatics and Mathematics (ERCIM), NTNU, Trondheim, Norway.
Publications
Selected Publications by Area:
Machine Learning
- A. Chelli and M. Pätzold, “A machine learning approach for fall detection and daily living
activity recognition,” IEEE Access vol. 7, pp. 38670–38687, Mar. 2019. - A. Chelli and M. Pätzold, “A machine learning approach for fall detection based on the
instantaneous Doppler frequency,” IEEE Access, vol. 7, pp. 166173-166189, Oct. 2019. - M. Muaaz, A. Chelli, and M. Pätzold, “WiWeHAR: Multimodal Human Activity Recognition
Using Wi-Fi and Wearable Sensing Modalities” IEEE Access, vol. 8, pp. 164453-164470,
Sep. 2020.
IoT Systems
- H. Hellaoui, M. Bagaa, A. Chelli, and T. Taleb, “Joint Sub-carrier and Power Allocation for
Efficient Communication of Cellular UAVs,” in IEEE Transactions on Wireless
Communications, vol. 19, no. 12, pp. 8287-8302, Dec. 2020. - M. Bagaa, T. Taleb, A. Chelli, and H. Hellaoui, “Constraint hubs deployment for efficient
machine-type communications,” IEEE Transactions on Wireless Communications, vol. 17,
no. 12, pp. 7936–7951, Oct. 2018. - M. Bagaa, A. Chelli, D. Djenouri, T. Taleb, I. Balasingham, and K. Kansanen, “Optimal
placement of relay nodes over limited positions in wireless sensor networks,” in IEEE
Transactions on Wireless Communications, vol. 16, no. 4, pp. 2205-2219, Jan. 2017. - A. Chelli, M. Bagaa, D. Djenouri, I. Balasingham, and T. Taleb, “One-step approach for twotiered
constrained relay node placement in wireless sensor networks,” IEEE Wireless
Communications Letters, vol. 5, no. 4, pp. 448–451, Aug. 2016.
Wireless Communications
- A. Chelli, E. Zedini, M.-S. Alouini, M. Pätzold, and I. Balasingham, “Throughput and delay analysis of HARQ with code combining over double Rayleigh fading channels,” IEEE Transactions on Vehicular Technology vol. 67, no. 5, pp. 4233-4247, Jan. 2018.
- A. Chelli, K. Kansanen, M.-S. Alouini, and I. Balasingham, “On bit error probability and power optimization in multihop millimeter wave relay systems,” IEEE Access, vol. 6, pp. 3794–3808, Jan. 2018.
- A. Chelli, E. Zedini, M.-S. Alouini, J. R. Barry, and M. Pätzold, “Performance and delay analysis of hybrid ARQ with incremental redundancy over double Rayleigh fading channels,” IEEE Transactions on Wireless Communications. vol. 13, no. 11, pp. 6245–6258, Nov. 2014
- E. Zedini, A. Chelli, and M.-S. Alouini, “A unified performance analysis of hybrid-ARQ with incremental redundancy and with code combining over free-space optical channels with pointing errors,” IEEE Photonics Journal, vol. 6, no. 4, pp. 1–18, Aug. 2014
- A. Chelli and M.-S. Alouini, “On the performance of hybrid-ARQ with incremental redundancy and with code combining over relay channels,” IEEE Transactions on Wireless Communications, vol. 12, no. 8, pp. 3860–3871, Aug. 2013.
- A. Chelli, R. Hamdi, and M.-S. Alouini, “Channel modelling and performance analysis of V2I communication systems in blind bend scattering environments,” Progress In Electromagnetics Research B, vol. 57, pp. 233–251, Jan. 2014