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Ali Chelli

Postdoctoral Research Fellow

PhD student

 
Office:
A2101 ( Jon Lilletuns vei 9, Grimstad )
Office hours:
10:00-18:00

Research interests

My research interests include machine learning, wireless communication theory, cooperative relaying, vehicle-to-vehicle communications, game theory, channel modelling, fall detection systems, non-stationary channel models, and time-frequency analysis for non-stationary channels.

Projects

M2M project

WiCare (A Wireless In-Home Healthcare Monitoring System for Supporting Independent Living or Elderlies)

Scientific publications

  • Chelli, Ali; Pätzold, Matthias Uwe (2019). A Machine Learning Approach for Fall Detection Based on the Instantaneous Doppler Frequency. IEEE Access. ISSN: 2169-3536. doi:10.1109/ACCESS.2019.2947739.
  • Chelli, Ali; Pätzold, Matthias Uwe (2019). A Machine Learning Approach for Fall Detection and Daily Living Activity Recognition. IEEE Access. ISSN: 2169-3536. 7s 38670 - 38687. doi:10.1109/ACCESS.2019.2906693.
  • Chelli, Ali; Pätzold, Matthias Uwe (2019). Fall Detection Based on the Instantaneous Doppler Frequency: A Machine Learning Approach. 2019 IEEE Wireless Communications and Networking Conference (WCNC). ISBN: 978-1-5386-7646-2. IEEE conference proceedings. chapter.
  • Bagaa, Miloud; Taleb, Tarik; Chelli, Ali; Hellaoui, Hamed (2018). Constraint Hubs Deployment for Efficient Machine-Type Communications. IEEE Transactions on Wireless Communications. ISSN: 1536-1276. 17 (12). s 7936 - 7951. doi:10.1109/TWC.2018.2873293.
  • Chelli, Ali; Kansanen, Kimmo; Alouini, Mohamed-Slim; Balasingham, Ilangko (2018). On Bit Error Probability and Power Optimization in Multihop Millimeter Wave Relay Systems. IEEE Access. ISSN: 2169-3536. (6). s 3794 - 3808. doi:10.1109/ACCESS.2018.2791989.
  • Chelli, Ali; Pätzold, Matthias Uwe (2018). Recognition of Falls and Daily Living Activities Using Machine Learning. IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications workshops. ISSN: 2166-9570. doi:10.1109/PIMRC.2018.8580874.
  • Chelli, Ali; Zedini, Emna; Alouini, Mohamed-Slim; Pätzold, Matthias Uwe; Balasingham, Ilangko (2018). Throughput and delay analysis of HARQ with code combining over double Rayleigh fading channels. IEEE Transactions on Vehicular Technology. ISSN: 0018-9545. 67 (5). s 4233 - 4247. doi:10.1109/TVT.2018.2794183.
  • Hellaoui, Hamed; Chelli, Ali; Bagaa, Miloud; Taleb, Tarik (2018). Towards Mitigating the Impact of UAVs on Cellular Communications. IEEE Global Communications Conference, Exhibition, & Industry Forum (GLOBECOM). ISSN: 1930-529X. doi:10.1109/GLOCOM.2018.8648083.
  • Bagaa, Miloud; Chelli, Ali; Djenouri, Djamel; Taleb, Tarik; Balasingham, Ilangko; Kansanen, Kimmo (2017). Optimal Placement of Relay Nodes over Limited Positions in Wireless Sensor Networks. IEEE Transactions on Wireless Communications. ISSN: 1536-1276. 16 (4). s 2205 - 2219. doi:10.1109/TWC.2017.2658598.
  • Chelli, Ali; Kansanen, Kimmo; Balasingham, Ilangko; Alouini, Mohamed-Slim (2017). Performance Analysis and Optimization of Millimeter Wave Networks with Dual-Hop Relaying. 2017 IEEE 85th Vehicular Technology Conference (VTC Spring) Proceedings; Sydney, Australia 4–7 June 2017. ISBN: 978-1-5090-5932-4. IEEE Communications Society. 1.
  • Bagaa, Miloud; Ksentini, Adlen; Taleb, Tarik; Jantti, Riku; Chelli, Ali; Balasingham, Ilangko (2016). An efficient D2D-based strategies for machine type communications in 5G mobile systems. IEEE Wireless Communications and Networking Conference : Proceedings. ISSN: 1525-3511. 2016-Septemberdoi:10.1109/WCNC.2016.7564812.
  • Djenouri, Djamel; Bagaa, Miloud; Chelli, Ali; Balasingham, Ilangko (2016). Energy Harvesting Aware Minimum Spanning Tree for Survivable WSN with Minimum Relay Node Addition. Globecom Workshops (GC Wkshps), 2016 IEEE. ISBN: 978-1-5090-2482-7. IEEE. 1.
  • Chelli, Ali; Bagaa, Miloud; Djenouri, Djamel; Balasingham, Ilangko; Taleb, Tarik (2016). One-Step Approach for Two-Tiered Constrained Relay Node Placement in Wireless Sensor Networks. IEEE Wireless Communications Letters. ISSN: 2162-2337. 5 (4). s 448 - 451. doi:10.1109/LWC.2016.2583426.
  • Chelli, Ali; Zedini, Emna; Alouini, Mohamed-Slim; Barry, John R.; Pätzold, Matthias Uwe (2014). Performance and Delay Analysis of Hybrid ARQ with Incremental Redundancy over Double Rayleigh Fading Channels. IEEE Transactions on Wireless Communications. ISSN: 1536-1276. 13 (11). s 6245 - 6258. doi:10.1109/TWC.2014.2348561.
  • Chelli, Ali; Pätzold, Matthias Uwe (2012). An Improved Method for Estimating the Frequency Correlation Function. IEEE Wireless Communications and Networking Conference : Proceedings. ISSN: 1525-3511. s 1054 - 1059.
  • Chelli, Ali; Pätzold, Matthias Uwe (2012). An Improved Method for Estimating the Frequency Correlation Function. 2012 IEEE Wireless Communications and Networking Conference. ISBN: 9781467304375. IEEE conference proceedings. Kapittel. s 1054 - 1059.
  • Chelli, Ali; Pätzold, Matthias Uwe (2011). A Non-Stationary MIMO Vehicle-to-Vehicle Channel Model Derived from the Geometrical Street Model. IEEE Vehicular Technology Conference (VTC). ISSN: 1090-3038.
  • Chelli, Ali; Pätzold, Matthias Uwe (2011). A Non-Stationary MIMO Vehicle-to-Vehicle Channel Model Derived from the Geometrical Street Model. Proceedings of the 2011 IEEE vehicular technology conference, fall. ISBN: 978-1-4244-8327-3. IEEE conference proceedings. Artikkel.
  • Chelli, Ali; Pätzold, Matthias Uwe (2011). A non-stationary MIMO vehicle-to-vehicle channel model derived from the geometrical T-junction model. Vehicular Technologies: Increasing Connectivity. ISBN: 978-953-307-223-4. IntechOpen. Kapittel.
  • Chelli, Ali; Pätzold, Matthias Uwe (2011). On the performance of hybrid-ARQ with code combining over double Rayleigh fading channels. PIMRC'11: 2011 IEEE 22nd International Symposium on Personal,Indoor and Mobile Radio Communications. ISBN: 978-1-4577-1348-4. IEEE Communications Society. Kapittel. s 2014 - 2019.
  • Chelli, Ali; Barry, John R.; Pätzold, Matthias Uwe (2011). Performance of hybrid-ARQ with incremental redundancy over double Rayleigh fading channels. 2011 IEEE 73rd Vehicular Technology Conference. Proceedings. ISBN: 978-1-4244-8331-0. IEEE conference proceedings. Artikkel. s 1 - 6.
  • Chelli, Ali; Pätzold, Matthias Uwe (2010). An Improved Method for Estimating the Time ACF of a Sum of Complex Plane Waves. GLOBECOM - conference record / IEEE Global Telecommunications Conference. ISSN: 0895-1195.
  • Chelli, Ali; Pätzold, Matthias Uwe (2010). The Impact of Fixed and Moving Scatterers on the Statistics of MIMO Vehicle-to-Vehicle Channels. In A. Bazzi (ed.), "Radio Communications", INTECH, Vienna, Austria, April 2010, pp. 51-63, ISBN. ISBN: 978-953-307-091-9. IN-TECH. kapittel. s 51 - 64.
  • Chelli, Ali; Pätzold, Matthias (2009). A non-stationary MIMO vehicle-to-vehicle channel model based on the geometrical T-junction model. International Conference on Wireless Communications and Signal Processing, WCSP 2009. ISBN: 9781424448562. IEEE conference proceedings. s 1 - 5.
  • Zhiyi, He; Wei, Chen; Pätzold, Matthias; Chelli, Ali (2009). Modelling of MIMO Vehicle-to-Vehicle Fading Channels in T-Junctions. 3rd European Conference on Antennas and Propagation, EuCAP 2009. ISBN: 9781424447534. IEEE conference proceedings. s 652 - 656.
  • Chelli, Ali; Pätzold, Matthias (2009). The Impact of Fixed and Moving Scatterers on the Statistics of MIMO Mobile-to-Mobile Channels. 2009 IEEE 69th Vehicular Technology Conference Spring. IEEE conference proceedings.
  • Chelli, Ali; Pätzold, Matthias (2008). A Wideband Multiple-Cluster MIMO Mobile-to-Mobile Channel Model Based on the Geometrical Street Model. Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. IEEE conference proceedings. s 1 - 6.
  • Chelli, Ali; Pätzold, Matthias (2007). A MIMO Mobile-to-Mobile Channel Model Derived from a Geometric Street Scattering Model. Proceedings of the 4th IEEE International Symposium on Wireless Communication Systems 2007. IEEE conference proceedings. s 792 - 797.
  • Zaikina, Veronika; Moscoso Paredes, Claudia Trinidad; Matusiak, Barbara Szybinska; Chelli, Ali; Balasingham, Ilangko (2019). Users' satisfaction of indoor environmental quality conditions in ZEB+ at high latitudes.
  • Chelli, Ali (2019). Fall detection based on the instantaneous Doppler frequency: A machine learning approach.
  • Chelli, Ali; Pätzold, Matthias Uwe (2018). Recognition of Falls and Daily Living Activities Using Machine Learning.

Last changed: 23.08.2019 17:08