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Hatem BOUJEMAA

  • Grade : Professeur
  • Spécialité : Télécommunications
  • Téléphone à l’institut + numéro de poste : 71 857 000 poste (1025)
  • Email universitaire ou personnel : boujemaa.hatem@supcom.rnu.tn, boujemaa.hatem@gmail.com, boujemaa.hatem@yahoo.fr

 

Présentation


Hatem BOUJEMAA a obtenu le diplôme d'ingénieur de l'Ecole Polytechnique de Tunisie en 1997. Il a ensuite obtenu le DEA en systèmes de communication numériques et le doctorat en communications et électronique de Télécom Paris Tech, respectivement en 1998 et 2001. Pendant cette période, il a préparé sa thèse de doctorat à Orange Labs, Issy Les moulineaux, France où il a travaillé sur l'optimisation du récepteur UMTS. En 2002, il a rejoint Sup'Com en tant que Maître Assistant. En 2006, il a obtenu l'habilitation universitaire en TIC de l'Université de Carthage et a été promu au grade de Maître de Conférences. En 2012, il a été promu au grade de Professeur de l'enseignement supérieur. Hatem BOUJEMAA est membre fondateur du Laboratoire COSIM de Sup'Com, ses activités de recherche portent sur les communications coopératives, la radio cognitive, les protocoles HARQ, la localisation et les systèmes de communication numériques.

 

Cours enseignés à Sup'Com

 

  • Traitement du Signal : INDP1
  • Transmission numérique : INDP2
  • Théorie de l'information : INDP2
  • Techniques de communications sans fil : INDP3-WINCOM
  • Algorithmique de réception : INDP3-WINCOM

 

Expérience

 

  • 1998-1998 : Chercheur à Orange Labs, France.
  • 2001-2002 : Post doc à SUPELEC, France.
  • Depuis 2002 : Enseignant chercheur à SupCom.

 

Formation


Entre 2001 et 2002, il a été recruté en tant que Post-doc à SUPELEC où il a travaillé la localisation d'urgence par téléphone cellulaire dans le cadre du projet RNRT-LUTECE.

 

Groupes de Recherches


Hatem BOUJEMAA est membre du laboratoire COSIM à Sup'Com.

 

Publications

 

  • Revues 

 

[1] H. Boujemâa, "Bit Error probability of cooperative MC-CDMA using Decode and Forward Relaying", European Transactions on Telecommunications, 2011.

 

[2] H. Boujemâa, "Static Hybrid AF and DF Relaying for Cooperative Systems ", Physical Communication, Elsevier, Mai 2011.

 

[3] T. Ben Jabeur, K. Abed-Meraim, M. Bonnet, H. Boujemâa, “Channel Shortening Techniques For Differential Encoded OFDM”, Physical Communication, Elsevier, Avril 2011.

 

[4] H. Boujemâa, "Exact Symbol Error Probability of Cooperative Systems with Partial Relay Selection", European Transactions on Telecommunications, pp. 79-85, Vol. 21, 2010.

 

[5] H. Boujemâa, "Performance of Truncated Hybrid ARQ schemes with noisy feedback for DS-CDMA systems", European Transactions on Telecommunications, pp. 1-11, Vol. 21, 2010.

 

[6] H. Boujemâa, "Delay Analysis of Cooperative Truncated HARQ with Opportunistic Relaying ", IEEE Transactions on Vehicular Technology, pp. 4795-4804, Vol. 58, No. 9, Nov. 2009.

 

[7] H. Boujemâa, "Exact and Asymptotic Bit Error Probability of Cooperative DS-CDMA systems using Decode-and-Forward Relaying in the presence of multipath propagation", IEEE Transactions on Wireless Communications, pp. 4464-4469, Vol. 8, no. 9, Sept. 2009.

 

[8] H. Boujemâa, I. Jaafar, R. Amara, M. Siala, "Joint azimuth, elevation and time of arrival estimation of diffuse sources", Vol. 1, pp. 1-9, Annals des Télécommunications, 2008.

 

[9] H. Boujemâa, M. W. El Bahri and M. Siala, "Throughput performance of Hybrid ARQ schemes with packet and code combining for DS-CDMA downlink systems using orthogonal spreading sequences", European Transactions on Telecommunications, Vol. 19, pp. 173-179, 2008.


[10] H. Boujemâa, "BER performance analysis of the discrete time and the continuous time Rake receivers for the UMTS downlink", IEEE Transactions on Wireless Communications, Vol. 5, pp. 900-909, Avril 2006.

 

[11] H. Boujemâa and M. Siala, "Maximum a posteriori decorrelating receiver for MC-CDMA systems", European Transactions on Telecommunications, Vol. 17, pp. 151-155, 2006.

 

[12] H. Boujemâa, M. Siala and M. H. Jday, "Robustness of the Decorrelating Discrete time Rake Receiver (DDRR) in the presence of dynamic propagation conditions", European Transactions on Telecommunications letters, Vol. 17, 125-130, 2006.

 

[13] H. Boujemâa, "Extension of COMET algorithm to multiple diffuse source localization in azimuth and elevation", European Transactions on Telecommunications, Vol. 16, pp. 557-566, 2005.

 

[14] H. Boujemâa, R. Visoz and A. Berthet, "Iterative low-complexity receiver for the UMTS downlink", Annales des Télécommunications, tome 59, n° 5-6, pp. 696-712, Mai/Juin 2004.

 

[15] H. Boujemâa and M. Siala, "Récepteurs en râteau pour les systèmes à étalement de spectre par séquences directes", Annales des Télécommunications, tome 56, n° 5-6, pp. 291-305, Mai/Juin 2001.

 

[16] H. Boujemâa and M. Siala, "Optimisation of the interference cost generated by the Random Access Channel of the UMTS FDD system", IEE electronic letters, vol. 37, n° 1, pp. 51-52, Janvier 2001.

 

  • Articles de conférences 

 

[1] M. Ben Said, H. Boujemâa, "Performance analysis of cooperative MIMO ARQ protocols using different combining techniques", IEEE International Wireless Communications and Mobile Computing Conference, Cagliari, 1-5 Juillet 2013.

 

[2] M. Ben Said, H. Boujemâa, "Performance Analysis of Amplify-and-Forward Cooperative Truncated ARQ with Partial Relay Selection", IEEE Vehicular Technology Conference Spring, Dresden, 2-5 Juin 2013.

 

[3] H. Hakim, H. Boujemâa, W. Ajib, “BEP and throughput analysis of Incremental Selective Relaying in DS-CDMA systems”, IEEE Vehicular Technology Conference Fall, Quebec city, 3-6 Sept. 2012.

 

[4] A. Selmi, M. Siala, H. Boujemâa, “Optimum Joint Adpative Modulation and Coding and Power Control for packet transmission over fading channels using the ARQ protocol”, IEEE InternationalConference on Information science, signal processing and their applications, (ISSPA), Montreal, 2-5 Jul. 2012.

 

[5] H. Boujemâa,“Multihop Multibranch Relaying for Cooperative DS-CDMA systems”, IEEE International Conference on Information science, signal processing and their applications, (ISSPA), Montreal, 2-5 Jul. 2012.

 

[6] M. Ben Said, H. Boujemâa, “Throughput of cooperative HARQ protocols with opportunistic relaying over Rayleigh fading channels”, IEEE International Symposium on Communications, Control and Signal Processing (ISCCSP), Rome, 2-4 Mai, 2012.

 

[7] O. Mabrouk, H. Boujemâa, “Incremental Decode and Forward relaying using Distributed Space Time Coding”, IEEE International Symposium on Communications, Control and Signal Processing (ISCCSP), Rome, 2-4 Mai, 2012.

 

[8] F. Zouaidi, H. Boujemâa, M. Siala, “ARQ protocols for MIMO systems”, IEEE International Conference on Communications and Networking, 29 March-1 April. 2012.

 

[9] H. Hakim, H. Boujemâa, W. Ajib, “Exact BEP of Cooperative MC-CDMA Systems using Selective Threshold Digital Relaying”, accepté pour publication à IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Toronto, 11-14 Septembre 2011.


[10] E. Ben Yahia, H. Boujemâa, “Performance Analysis of Cooperative MIMO Systems using Decode and Forward Relaying”, accepté pour publication à European Signal Processing Conference (EUSIPCO), Barcelone, 29 Août-2 Septembre 2011.

 

[11] S. Bouanène, H. Boujemâa, W. Ajib, “Threshold-based Adaptive Decode-Amplify-Forward Relaying Protocol for Cooperative Systems”, IEEE International Wireless Communications and Mobile Computing Conference, Istanbul, 5-8 Juillet 2011.

 

[12] M. Bouanène, W. Ajib, H. Boujemâa, “Throughput and Delay Analysis of Truncated Cooperative ARQ Protocols using DSTC”, IEEE International Wireless Communications and Mobile Computing Conference, Istanbul, 5-8 Juillet 2011.

 

[13] L. Gazzah, H. Boujemâa, M. Siala, “Discrete Time Rake Receiver for Cooperative DS-CDMA Systems”, IEEE Vehicular Technology Conference (VTC Spring), Budapest, 15-18 Mai 2011.

 

[14] S. Amara, H. Boujemâa, “Multihop Multibranch DF relaying for Cooperative Systems”, IEEE Vehicular Technology Conference (VTC Spring), Budapest, 15-18 Mai 2011.

 

[15] I. Ben Said, H. Boujemâa, “Cooperative Localization using MUSIC algorithm and Received Signal Strength Measurements”, International Conference on Communications, Computing and Control Applications, Hammamet, 3-5 Mars 2011.

 

[16] M. Ben Said, H. Boujemâa, “Static Hybrid Amplify-Decode and Forward Cooperative ARQ with Opportunistic relaying”, International Conference on Communications, Computing and Control Applications, Hammamet, 3-5 Mars 2011.

 

[17] M. Ben Said, H. Boujemâa, “Cooperative ARQ protocols for dual hop systems”, IEEE International Conference on Communications and Networking (COMNET), Tozeur, 4-8 Novembre 2010.

 

[18] B. Kaddour, M. Siala, H. Boujemâa, “Improving the performance of ARQ protocols over AWGN channels using an Optimised Energy Allocation over an AWGN channel”, IEEE International Conference on Communications and Networking (COMNET), Tozeur, 4-8 Novembre 2010.

 

[19] H. Boujemâa, "Delay analysis of Cooperative Truncated HARQ using opportunistic relaying and noisy feedback ", IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Istanbul, 26-30 Septembre 2010.


[20] T. Ben Jabeur, K. Abed-Meraim, M. Bonnet et H. Boujemâa, " Channel shortening in OFDM Systems using differential space-frequency Block encoding", 11-th IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Marrakech , 20-23 Juin 2010.

 

[21] T. Ben Jabeur, K. Abed-Meraim, M. Bonnet, H. Boujemâa, "Combined channel shortening and source separation with TIR controlled Quality in MIMO-OFDM systems", IEEE ISSPA, 10-th International Conference on Information Sciences, Signal processing and their applications, Kuala Lumpur, 10-13 Mai 2010.

 

[22] H. Hakim, W. Ajib, H. Boujemâa, “Scheduling schemes for N-node cooperative Networks”, IEEE International Conference on Telecommunications, Doha, 4-7 Avril 2010.

 

[23] Z. Bali, W. Ajib, H. Boujemâa, “Distributed Relay Selection Strategy based on Source-Relay channel”, IEEE International Conference on Telecommunications, Doha, 4-7 Avril 2010.

 

[24] R. Bahloul, H. Boujemâa, M. Siala, “Cross Layer Strategies in Wireless Networks”, IEEE Signals, Circuits and Systems Conference, Djerba, 7-9 Novembre 2009.

 

[25] S. Amara, H. Boujemâa, N. Hamdi, “SEP of Cooperative Systems using Amplify-and-Forward or Decode-and-Forward Relaying over Nakagami-m fading channels”, IEEE Signals, Circuits and Systems Conference, Djerba, 7-9 Novembre 2009.

 

[26] H. Boujemâa, “Optimal Transmission Policy of truncated Cooperative ARQ Protocols using Opportunistic Amplify-and-Forward Relaying”, IEEE Signals, Circuits and Systems Conference, Djerba, 7-9 Novembre 2009.

 

[27] T. Ben Jabeur, K. Abed Meraim, H. Boujemâa, “Blind channel shortening in MIMO-OFDM systems using single-block differential modulation”, IEEE International Wireless Communications and Mobile Computing Conference, Leipzig, 21-24 Juin 2009.

 

[28] T. Ben Jabeur, K. Abed Meraim, H. Boujemâa, “Blind channel shortening in ZP-OFDM systems with controlled TIR quality”, EUSIPCO, Glasgow, Août 2009.

 

[29] S. Amara, H. Boujemâa, N. Hamdi, “SEP of cooperative systems using Amplify-and-Forward or Decode-and-Forward Relaying”, EUSIPCO, Glasgow, Août 2009.


[30] M. Ould El Aoun, H. Boujemâa, M. Siala, “Performance of MUSIC and COMET algorithms in the presence of scatterers in a 3D hemispheroid surrounding the source”, IEEE Vehicular Technology Conference Spring, Barcelona, 26-29 Avril 2009.

 

[31] M. Ould El Aoun, M. Siala, H. Boujemâa, “Enhanced Soft-Handover for DS-CDMA systems using Complementary Error Correction Codes”, IEEE Vehicular Technology Conference Spring, Barcelona, 26-29 Avril 2009.

 

[32] H. Boujemâa, A. Chelly, M. Siala, “Performance of HARQ II and III over multipath fading channels”, IEEE Signals Circuits and Systems Conference, Hammamet, 7-9 Novembre 2008.

 

[33] S. Amara, H. Boujemâa, M. Siala, “Planning Base Station location for the UMTS network”, IEEE Signals Circuits and Systems Conference, Hammamet, 7-9 Novembre 2008.

 

[34] I. Jaafar, H. Boujemâa, M. Siala, “Angle and time of arrival statistics for an hollow-disc and elliptical scattering model”, IEEE Signals Circuits and Systems Conference, Hammamet, 7-9 Novembre 2008.

 

[35] T. Ben Jabeur, K. Abed Meraim, H. Boujemâa, “Blind channel shortening in OFDM system using nulltones and cyclic prefix”, IEEE International Conference on Acoustics Speech and Signal Processing, Las Vegas, Nevada, Mars-Avril 2008.

 

[36] A. Ayari, H. Boujemâa, M. Siala, “BER and complexity comparisons of the MPIC receiver and the linear chip equalizer”, IEEE Advanced International Conference on Telecommunications, Athène, Juin 2008.

 

[37] T. Ben Jabeur, K. Abed Meraim, H. Boujemâa, “A new blind channel shortening for differential encoded OFDM systems”, IEEE International Workshop on Signal Processing Advances in Wireless Communications, Recife, Brazil, Juillet 2008

 

[38] M. W. El Bahri, H. Boujemâa, M. Siala, “Optimum puncturing and repeating patterns for HARQ schemes using turbo codes”, IEEE International Workshop on Signal processing and its application, Sharjah, Mars 2008.

 

[39] H. Boujemâa, “BER performance of cooperative systems in the presence of multipath propagation”, IEEE International Symposium on Communications Control and Signal Processing, Malta, 12-14 Mars 2008.


[40] I. Jaafar, H. Boujemâa, M. Siala, “Joint Azimuth, elevation and time of arrival estimation of 3D point sources”, IEEE International Symposium on Communications Control and Signal Processing, Malta, 12-14 Mars 2008.

 

[41] I. Trigui, M. Siala, S. Affes, A. Stéphenne, H. Boujemâa, “Optimum pulse shaping for OFDM/BFDM systems operating in time varying multipath channels”, IEEE Global Communications Conference, Washington DC, Novembre 2007.

 

[42] I. Trigui, M. Siala, H. Boujemâa, “Optimized pulse shaping for OFDM multi-user communications over doubly dispersive channels”, IEEE International Symposium on Signal Processing and its Applications, Sharjah, Février 2007.

 

[43] A. Ben Salem, M. Siala, H. Boujemâa, “OFDM systems with hexagonal time frequency lattices and well time frequency localized prototype functions”, IEEE International Symposium on Image/Video communications over fixed and mobile networks, Hammamet, 13-15 Septembre 2006.

 

[44] N. Debbabi, M. Siala, H. Boujemâa, “Optimization of time-frequency selective channel estimation in OFDM/OQAM systems by prototype function optimization”, IEEE International Symposium on Image/Video Communications over fixed and mobile networks, Hammamet, 13-15 Septembre 2006.

 

[45] H. Boujemâa, S. Soussi and M. Siala, "Evaluating the throughput performance of ARQ and HARQ I over Nakagami fading channels”, IEEE International Conference on Information and Communications Technologies from Theory to Applications, Damas, 24-28 Avril 2006.

 

[46] H. Boujemâa, M. Jerad and M. Siala, "Throughput evaluation of the Rake receiver and the linear chip equalizer in the presence of multi-code interference", IEEE International Symposium on Control, Communications and Signal Processing, Marrakech, 13-15 Mars 2006.

 

[47] H. Boujemâa, M. Ben Said and M. Siala, "Throughput performance of ARQ and HARQ I schemes over a two-states Markov channel model", IEEE International Conference on Electronics, Circuits and Systems, Gammarth, 11-14 Décembre 2005.

 

[48] M. W. El Bahri, F. Raouefi, H. Boujemâa and M. Siala, "Performance of HARQ I schemes using turbocodes", IEEE International Conference on Electronics, Circuits and Systems, Gammarth, 11-14 Décembre 2005.

 

[49] I. Jaafar, R. Amara, H. Boujemâa and M. Siala, "Joint Angle and Delay Estimation of point sources", IEEE International Conference on Electronics, Circuits and Systems, Gammarth, 11-14 Décembre 2005.


[50] I. Hadj Kacem, H. Boujemâa and M. Siala "On the performance of the decorrelating and conventional discrete time Rake receivers with improved channel estimation”, IEEE International Conference on Electronics, Circuits and Systems, Gammarth, 11-14 Décembre 2005.

 

[51] A. Ben Salem, M. Siala, H. Boujemâa, "Performance comparison of OFDM and OFDM/OQAM systems operating in highly dispersive radio-mobile channels", IEEE International Conference on Electronics, Circuits and Systems, Gammarth, 11-14 Décembre 2005.

 

[52] N. Debbabi, M. Siala and H. Boujemâa, "Optimization of OFDM waveform and signal-to-interference ratio for highly time and frequency dispersive channels", IEEE International Conference on Electronics, Circuits and Systems, Gammarth, 11-14 Décembre 2005.

 

[53] H. Boujemâa and M. Siala, " BER performance comparison of the continuous time, discrete time and decorrelating discrete time Rake receivers", IEEE Personal Indoor Mobile Radio Communications, Berlin, 11-14 Septembre 2005.

 

[54] M. W. El Bahri, H. Boujemâa and M. Siala, " Effects of noisy feedback on the performance of HARQ Schemes over multipath block fading channels for DS-SSS", IEEE Personal Indoor Mobile Radio Communications, Berlin, 11-14 Septembre 2005.

 

[55] M. W. El Bahri, H. Boujemâa and M. Siala, " Throughput evaluation of HARQ schemes with packet and code combining over multipath fading channels for DS-SSS", IEEE GRETSI, Louvain La Neuve, Belgique, 6-9 Septembre 2005.

 

[56] I. Jaafar, H. Boujemâa and M. Siala, "COMET and MUSIC performance comparison in the presence of a diffuse source", IEEE SETIT, Sousse, 27-31 Mars 2005.

 

[57] M. W. El Bahri, H. Boujemâa and M. Siala, "Performance of Hybrid ARQ schemes over multipath block fading channels", IEEE SETIT, Sousse, 27-31 Mars 2005.

 

[58] I. Jaafar, H. Boujemâa and M. Siala, " Performance analysis of the MUSIC algorithm in the presence of local scattering", IEEE International Conference on Industrial Technology, pp. 1412-1416, Hammamet, 8-10 Décembre 2004.

 

[59] M. W. El Bahri, H. Boujemâa and M. Siala, "Performance comparison of type I, II and III HARQ schemes over AWGN channels", IEEE International Conference on Industrial Technology, pp 1417-1421, Hammamet, 8-10 Décembre 2004.


[60] H. Boujemâa, "Estimation of the angle of arrival and the angular spread of a diffuse source in azimuth and sight", IEEE International Symposium on Control, Communications and Signal Processing, pp. 279-282, Hammamet, Mars 2004.

 

[61] I. Jaafar, N. Youssef, H. Boujemâa, "A Generalized Rice Channel for modeling mobile satellite link", IEEE International Symposium on Control, Communications and Signal Processing, pp. 279-282, Hammamet, Mars 2004.

 

[62] H. Boujemâa and M. Siala, "Loop Filter optimisation for delay lock loops", IEEE Personal Indoor Mobile Radio Communications, Vol. 3, pp. 1218 -1221, Lisbonne, Portugal, Septembre 2002.

 

[63] H. Boujemâa and M. Siala, "Prediction of the received power for the UMTS closed loop power control", IEEE Personal Indoor Mobile Radio Communications, Vol. 4, pp. 1621-1625, Lisbonne, Portugal, Septembre 2002.

 

[64] H. Boujemâa and S. Marcos, "Joint estimation of direction of arrival and angular spread using the knowledge of the power angle density", IEEE Personal Indoor Mobile Radio Communications, Vol. 4, pp. 1517-1521, Lisbonne, Portugal, Septembre 2002.

 

[65] H. Boujemâa, M. Siala and R. Visoz, "Multipath diversity and power control", IEEE Vehicular Technology Conference SPRING, Vol 2, pp. 876-879, Birmingham, USA, Mai 2002.

 

[66] H. Boujemâa, R. Visoz and A. Berthet, "A Rake-DFSE equalizer for the UMTS downlink", IEEE Vehicular Technology Conference SPRING, Vol 4, pp. 1626-1630, Birmingham, USA, Mai 2002.

 

[67] H. Boujemâa and M. Siala, "Minimum mean square error channel estimates for DS-SSS in the presence of ISI ", IEEE GRETSI, Toulouse, Septembre 2001.

 

[68] H. Boujemâa and M. Siala, "On a Maximum likelihood acquisition algorithm", IEEE International Conference on Communications, Vol 8, pp. 2510-2514, Helsinki, Finlande, Juin 2001.

 

[69] M. Siala and H. Boujemâa, " Optimisation of the interference cost generated by the Random Access Channel of the UMTS FDD system", IEEE International Conference on Acoustics Speech and Signal Processing, Vol 4, pp. 2677-2680, Salt Lake City, USA, Mai 2001.


[70] H. Boujemâa and M. Siala, "On the Rake receiver Performance", IEEE Vehicular Technology Conference Fall, Vol. 3, pp. 1483-1488, Boston, USA, Septembre 2000.

 

[71] H. Boujemâa and M. Siala, "Performance of coherent and noncoherent DLL's in AWGN channel", IEEE Personal Indoor Mobile Radio Communications, Vol. 2, pp. 147-150, Londres, Septembre 2000.

 

[72] H. Boujemâa and M. Siala, "On the performance of a discrete time rake", IEEE Personal Indoor Mobile Radio Communications, Vol. 2, pp. 949-953, Londres, Septembre 2000.

 

[73] H. Boujemâa and M. Siala, "Enhanced coherent delay tracking for Direct Sequence Spread Spectrum Systems", IEEE International Symposium on Spread Spectrum Techniques and Applications, Vol. 1, pp. 274-277, New Jersey, USA, Septembre 2000.