Wessam Ajib

Wessam Ajib

Professeur
Photo de Wessam Ajib
Unité : Département d'informatique
Courriel : ajib.wessam@uqam.ca
Téléphone : (514) 987-3000 poste 3227
Local : PK-4315
Langues : Français, Anglais, Arabe
Liens d'intérêt
Informations générales

Unités de recherche

  • Laboratoire de recherche sur les technologies du commerce électronique (LATECE)
  • Regroupement stratégique en microsystèmes du Québec (ReSMIQ)
Enseignement

Directions de thèses et mémoires

Thèses de doctorat
Mémoires
Autres directions et supervisions
  • Getu, Tilahun Melkamu (2019). Advanced RFI detection, RFI excision, and spectrum sensing : algorithms and performance analyses. (Thèse de doctorat). École de technologie supérieure.
  • Nguyen, Tri Minh (2018). Resource allocation designs for 5G wireless backhaul networks. (Thèse de doctorat), Montréal. École de technologie supérieure.
  • Hamdi, Rami (2018). Energy-aware resource allocation in next generation wireless networks : application in large-scale MIMO Systems. (Thèse de doctorat). École de technologie supérieure.
  • Goonewardena, Mathew Pradeep (2017). Distributed radio resource allocation in wireless heterogeneous networks. (Thèse de doctorat). École de technologie supérieure.
  • Jaafar, Wael (2014). Techniques de coopération dans les réseaux à radio cognitive : conception et évaluation des performance. (Thèse de doctorat). École polytechnique de Montréal.
  • Hakim, Hela (2014). Cooperative Communication and Cognitive Radio. (Thèse de doctorat). École supérieure des communications, Tunisie.

Publications

Articles scientifiques
Actes de colloque
  • Mlika, Z., Goonewardena, M., Ajib, W. et Elbiaze, H. (2013). Efficient user and power allocation in femtocell networks. Dans International Conference on Wireless and Mobile Computing, Networking and Communications. http://dx.doi.org/10.1109/WiMOB.2013.6673416.
  • Hakim, H., Ajib, W. et Boujemaa, H. (2013). Spectrum sharing for bi-directional communication in cognitive radio networks. Dans International Conference on Wireless and Mobile Computing, Networking and Communications. http://dx.doi.org/10.1109/WiMOB.2013.6673442.
  • El Alaoui Ismaili, Z., Nabki, F., Ajib, W. et Boukadoum, M. (2012). A 500 MHz to 6 GHz frequency synthesizer architecture for cognitive radio applications. Dans 2012 19th IEEE International Conference on Electronics, Circuits, and Systems, ICECS 2012. http://dx.doi.org/10.1109/ICECS.2012.6463676.
  • Driouch, E., Ajib, W. et Ben Dhaou, A. (2012). A greedy spectrum sharing algorithm for cognitive radio networks. Dans 2012 International Conference on Computing, Networking and Communications, ICNC'12. http://dx.doi.org/10.1109/ICCNC.2012.6167359.
  • Driouch, E., Ajib, W. et Jalloul, T. (2012). A novel antenna assignment algorithm for spectrum underlay in cognitive MIMO networks. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VTCFall.2012.6399069.
  • Hakim, H., Boujemaa, H. et Ajib, W. (2012). BEP and throughput analysis of incremental selective relaying in DS-CDMA systems. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VTCFall.2012.6399088.
  • Ngallemo, H.P., Ajib, W. et Elbiaze, H. (2012). Dynamic spectrum access analysis in a multi-user cognitive radio network using Markov chains. Dans 2012 International Conference on Computing, Networking and Communications, ICNC'12. http://dx.doi.org/10.1109/ICCNC.2012.6167380.
  • El Ferkouss, O. et Ajib, W. (2012). Game theory based resource allocation for cognitive radio networks. Dans GLOBECOM – IEEE Global Telecommunications Conference. http://dx.doi.org/10.1109/GLOCOM.2012.6503272.
  • Driouch, E. et Ajib, W. (2012). Greedy spectrum sharing for cognitive MIMO networks. Dans International Conference on Communications and Information Technology – Proceedings. http://dx.doi.org/10.1109/ICCITechnol.2012.6285777.
  • Jaafar, W., Ajib, W. et Haccoun, D. (2012). Incremental relaying transmissions with relay selection in cognitive radio networks. Dans GLOBECOM – IEEE Global Telecommunications Conference. http://dx.doi.org/10.1109/GLOCOM.2012.6503281.
  • Mlika, Z., Ajib, W., Jaafar, W. et Haccoun, D. (2012). On the performance of relay selection in cognitive radio networks. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VTCFall.2012.6399090.
  • Driouch, E. et Ajib, W. (2012). On the user scheduling in cognitive radio MIMO networks. Dans GLOBECOM – IEEE Global Telecommunications Conference. http://dx.doi.org/10.1109/GLOCOM.2012.6503283.
  • Jaafar, W., Ajib, W. et Haccoun, D. (2012). Opportunistic adaptive relaying in cognitive radio networks. Dans IEEE International Conference on Communications. http://dx.doi.org/10.1109/ICC.2012.6364211.
  • Boukadoum, M., Nabki, F. et Ajib, W. (2012). Towards neural network-based design of radiofrequency low-noise amplifiers. Dans ISCAS 2012 – 2012 IEEE International Symposium on Circuits and Systems. http://dx.doi.org/10.1109/ISCAS.2012.6271876.
  • Jaafar, W., Ajib, W. et Haccoun, D. (2011). A novel relay-aided transmission scheme in cognitive radio networks. Dans GLOBECOM – IEEE Global Telecommunications Conference. http://dx.doi.org/10.1109/GLOCOM.2011.6133927.
  • Chehata, A., Ajib, W. et Elbiaze, H. (2011). An on-demand routing protocol for multi-hop multi-radio multi-channel cognitive radio networks. Dans IFIP Wireless Days, 1. http://dx.doi.org/10.1109/WD.2011.6098215.
  • Driouch, E. et Ajib, W. (2011). Cross layer scheduling algorithms for downlink multi-antenna CDMA systems. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VETECS.2011.5956602.
  • Hakim, H., Boujemaa, H. et Ajib, W. (2011). Exact BEP of cooperative MC-CDMA systems using selective threshold digital relaying. Dans IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. http://dx.doi.org/10.1109/PIMRC.2011.6139670.
  • Bouanen, S., Boujemaa, H. et Ajib, W. (2011). Threshold-based Adaptive Decode-Amplify-Forward relaying protocol for cooperative systems. Dans IWCMC 2011 – 7th International Wireless Communications and Mobile Computing Conference. http://dx.doi.org/10.1109/IWCMC.2011.5982636.
  • Bouanen, M., Ajib, W. et Boujemaa, H. (2011). Throughput and delay analysis of truncated cooperative ARQ protocols using DSTC. Dans IWCMC 2011 – 7th International Wireless Communications and Mobile Computing Conference. http://dx.doi.org/10.1109/IWCMC.2011.5982637.
  • Driouch, E., Ajib, W. et Gaha, M. (2010). A tabu search scheduling algorithm for MIMO CDMA systems. Dans GLOBECOM – IEEE Global Telecommunications Conference. http://dx.doi.org/10.1109/GLOCOM.2010.5684234.
  • Bali, Z., Ajib, W. et Boujemaa, H. (2010). Distributed relay selection strategy based on source-relay channel. Dans ICT 2010: 2010 17th International Conference on Telecommunications. http://dx.doi.org/10.1109/ICTEL.2010.5478647.
  • Jaafar, W., Haccoun, D. et Ajib, W. (2010). Impact of CSI on the performance of multi-hop wireless relay networks. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VETECF.2010.5594165.
  • Jaafar, W., Ajib, W. et Haccoun, D. (2010). On the performance of distributed-STBC in multi-hop wireless relay networks. Dans 2010 European Wireless Conference, EW 2010. http://dx.doi.org/10.1109/EW.2010.5483421.
  • Torabzadeh, M. et Ajib, W. (2010). Packet level scheduling schemes for multi-user MIMO systems with beamforming. Dans IWCMC 2010 – Proceedings of the 6th International Wireless Communications and Mobile Computing Conference. http://dx.doi.org/10.1145/1815396.1815630.
  • Bian, Q. et Ajib, W. (2010). Performance improvement of ad hoc networks using directional antennas and power control. Dans MCIT'2010: International Conference on Multimedia Computing and Information Technology. http://dx.doi.org/10.1109/MCIT.2010.5444868.
  • Hakim, H., Ajib, W. et Boujemâa, H. (2010). Scheduling schemes for N-node cooperative Networks. Dans ICT 2010: 2010 17th International Conference on Telecommunications. http://dx.doi.org/10.1109/ICTEL.2010.5478648.
  • Jaafar, W., Ajib, W. et Haccoun, D. (2009). Adaptive transmission in cooperative wireless communications. Dans 2009 2nd IFIP Wireless Days, WD 2009. http://dx.doi.org/10.1109/WD.2009.5449677.
  • Driouch, E. et Ajib, W. (2009). An efficient multiuser scheduling scheme for MIMO-CDMA wireless systems. Dans 2009 Wireless Telecommunications Symposium, WTS 2009. http://dx.doi.org/10.1109/WTS.2009.5068970.
  • Driouech, A., Ajib, W. et Driouch, E. (2009). An efficient scheduling scheme for MIMO wireless mesh networks with fairness constraints. Dans Proceedings – IEEE Symposium on Computers and Communications. http://dx.doi.org/10.1109/ISCC.2009.5202337.
  • Torabi, M., Haccoun, D. et Ajib, W. (2009). BER performance analysis of multiuser diversity with antenna selection in MRC MIMO systems. Dans GLOBECOM – IEEE Global Telecommunications Conference. http://dx.doi.org/10.1109/GLOCOM.2009.5425436.
  • Torabi, M., Haccoun, D. et Ajib, W. (2009). Capacity and outage probability analysis of multiuser diversity in MIMO MRC systems with transmit antenna selection. Dans IEEE Pacific RIM Conference on Communications, Computers, and Signal Processing – Proceedings. http://dx.doi.org/10.1109/PACRIM.2009.5291396.
  • Torabi, M., Haccoun, D. et Ajib, W. (2009). Multiuser scheduling over MIMO nakagami-m fading channels: Capacity and ber performance. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VETECS.2009.5073708.
  • Torabi, M., Ajib, W. et Haccoun, D. (2009). Performance analysis of amplify-and-forward cooperative networks with relay selection over rayleigh fading channels. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VETECS.2009.5073774.
  • Jaafar, W., Ajib, W. et Haccoun, D. (2009). Performance evaluation of distributed STBC in wireless relay networks with imperfect CSI. Dans IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. http://dx.doi.org/10.1109/PIMRC.2009.5450147.
  • Torabzadeh, M. et Ajib, W. (2009). Proportional fairness packet scheduling with transmit beamforming for multi-user MIMO systems. Dans RWS 2009 IEEE Radio and Wireless Symposium, Proceedings. http://dx.doi.org/10.1109/RWS.2009.4957430.
  • Driouch, E. et Ajib, W. (2008). A graph theory based scheduling algorithm for MIMO-CDMA systems using zero forcing beamforming. Dans Proceedings – IEEE Symposium on Computers and Communications. http://dx.doi.org/10.1109/ISCC.2008.4625665.
  • Torabi, M., Ajib, W. et Haccoun, D. (2008). Discrete-rate adaptive multiuser scheduling for MIMO-OFDM systems. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VETECF.2008.368.
  • Torabi, M., Ajib, W. et Haccoun, D. (2008). Multiuser scheduling for MIMO-OFDM systems with continuous-rate adaptive modulation. Dans IEEE Wireless Communications and Networking Conference, WCNC.
  • Al-Meshhadany, T. et Ajib, W. (2008). New multichannel MAC protocol for ad hoc networks. Dans 2008 International Conference on Information Networking, ICOIN. http://dx.doi.org/10.1109/ICOIN.2008.4472779.
  • Torabi, M., Ajib, W. et Haccoun, D. (2008). Performance analysis of multiuser MIMO systems with scheduling and antenna selection. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VETECS.2008.433.
  • Torabi, M., Ajib, W. et Haccoun, D. (2008). Performance analysis of rate-adaptive scheduling in MIMO systems with antenna selection. Dans IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC. http://dx.doi.org/10.1109/PIMRC.2008.4699728.
  • Torabzadeh, M. et Ajib, W. (2008). Proportional fairness for MIMO multi-user schedulers with traffic arrival process. Dans Proceedings – 4th IEEE International Conference on Wireless and Mobile Computing, Networking and Communication, WiMob 2008. http://dx.doi.org/10.1109/WiMob.2008.70.
  • Torabzadeh, M. et Ajib, W. (2008). Short-term QoS provisioning in MPLS ingress nodes. Dans Proceedings – Conference on Local Computer Networks, LCN. http://dx.doi.org/10.1109/LCN.2008.4664232.
  • Torabi, M., Ajib, W. et Haccoun, D. (2008). User scheduling in non-identically distributed Nakagami-m MIMO fading channels. Dans IWCMC 2008 – International Wireless Communications and Mobile Computing Conference. http://dx.doi.org/10.1109/IWCMC.2008.157.
  • Alawieh, B., Assi, C. et Ajib, W. (2007). A distributed correlative power control scheme for mobile ad hoc networks using prediction filters. Dans Proceedings – International Conference on Advanced Information Networking and Applications, AINA. http://dx.doi.org/10.1109/AINA.2007.147.
  • Alawieh, B., Assi, C. et Ajib, W. (2007). A power control scheme for directional MAC Protocols in MANET. Dans IEEE Wireless Communications and Networking Conference, WCNC. http://dx.doi.org/10.1109/WCNC.2007.54.
  • Rezki, Z., Haccoun, D., Gagnon, F. et Ajib, W. (2007). A tight lower bound on the outage probability of spatially correlated MIMO channels. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VETECS.2007.426.
  • Ajib, W., Haccoun, D. et Frigon, J.F. (2007). Link adaptation mechanism based on cross layer design for MIMO systems. Dans Proceedings – 2007 IEEE Radio and Wireless Symposium, RWS. http://dx.doi.org/10.1109/RWS.2007.351849.
  • Al-Meshhadany, T. et Ajib, W. (2007). New CDMA-based MAC protocol for Ad Hoc networks. Dans IEEE Vehicular Technology Conference. http://dx.doi.org/10.1109/VETECF.2007.35.
  • Maaroufi, S., Ajib, W. et Elbiaze, H. (2007). Performance evaluation of new MAC mechanisms for IEEE 802.11n. Dans 2007 1st International Global Information Infrastructure Symposium, GIIS 2007 – "Closing the Digital Divide". http://dx.doi.org/10.1109/GIIS.2007.4404165.
  • Jaafar, W., Ajib, W. et Tabbane, S. (2007). The capacity of MIMO-based wireless mesh networks. Dans ICON 2007 – Proceedings of the 2007 15th IEEE International Conference on Networks. http://dx.doi.org/10.1109/ICON.2007.4444096.
  • Rezki, Z., Haccoun, D., Gagnon, F. et Ajib, W. (2006). On the impact of spatial correlation on the finite diversity-multiplexing tradeoff. Dans 3rd International Symposium on Wireless Communication Systems 2006, ISWCS'06. http://dx.doi.org/10.1109/ISWCS.2006.4362290.
  • Ajib, W., Haccoun, D. et Frigon, J.-F. (2005). Data link control for multiple input multiple output wireless systems. Dans 2005 Wireless Telecommunications Symposium, WTS, 2005. http://dx.doi.org/10.1109/WTS.2005.1524774.
  • Ajib, W., Haccoun, D. et Frigon, J.F. (2005). Efficient link layer transmission strategy for MIMO wireless systems. Dans IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, (vol. 4).
  • Ajib, W. et Godlewski, P. (2000). A new access persistence control mechanism at MAC level for data wireless cellular networks. Dans IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, 2.
  • Ajib, W. et Godlewski, P. (2000). Effects of circuit switched transmissions over GPRS performance. Dans Boukerche A., Meo M. et Tropper C. (dir.). Proceedings of the 3rd ACM International Workshop on Modeling, Analysis and Simulation of Wireless and Mobile Systems.
  • Ajib, W. et Godlewski, P. (2000). Service disciplines performance for best-effort policies in packet-switching wireless cellular networks. Dans IEEE Vehicular Technology Conference, (vol. 2, p. 1445-1449). IEEE.
  • Ajib, W., Godlewski, P. et Le Bris, L. (2000). Service disciplines performance for best-effort policies in WWW traffic over packet-switched wireless cellular networks. Dans Proceedings – IEEE International Conference on Third Generation Wireless Communications.
  • Ajib, W. et Godlewski, P. (2000). Service disciplines performance for WWW traffic in GPRS system. Dans IEE Conference Publication.