Roy, Sébastien

Professeur, Faculté de génie
FAC. GÉNIE Électrique et informatique

Coordonnées

Courriel


819-821-8000, poste 63183

Diplômes

(2001) Space-Time Processing in Fixed Broadband Wireless Systems. Doctorate (Ph.D.). Carleton University.

(1993) Méthodes de réalisation de l'algorithme de Viterbi sur ordinateur massivement parallèle de type SIMD. Master's Thesis (Master - Masters). Université Laval.

(1991) Bachelor's (Bachelor). Université Laval.

Titres de compétence

Professional engineer.

Présentation

Sujets de recherche

Integrated Circuits, Telecommunication Systems, Transmission and Processing of Numerical Signals.

Disciplines de recherche

Electrical Engineering and Electronic Engineering.

Mots-clés

Antenna arrays, antennas and propagation, data networks, equalization, integrated circuits, MIMO systems, signal processing, space-time coding, space-time processing, wideband communication.

Intérêts de recherche

Broadband digital wireless communication systems; antenna arrays and array processing; signal processing applied to communications; efficient hardware implementation of signal processing algorithms

Langues parlées et écrites

Anglais, Français

Prix et distinctions

  • (2014) IEEE Vehicular Technology Society Conference Chair Award. (Distinction).
  • (2008) Star Professor Award. Université Laval. (Distinction).
  • (2007) Star Professor Award. Université Laval. (Distinction).
  • (2007) SYTACom Industrial Collaboration Award. (Distinction).
  • (2006) Top 6 ranking, best paper award competition. (Distinction).
  • (2005) Most appreciated 4th year professor. (Distinction).
  • (2005) Star professor award. Université Laval. (Distinction).
  • (2004) Star professor award. Université Laval. (Distinction).
  • (2000) Post graduate research excellence award. (Distinction).

Publications

Articles de revue

  • Vakilian V, Frigon J, Roy S. (2015). On increasing the slow fading channel diversity using block coded MIMO-OFDM with reconfigurable antennas. IEEE Transactions on Vehicular Technology, (Accepted).
  • Pimentel J, Gad E, Roy S. (2015). Stability analysis of very high speed BLDC motor controllers: a time-delay based approach,. IEEE Transactions on Industrial Electronics, (Submitted).
  • Duc-Tan T, Huynh T, Roy S, Dao D. (2014). Constrained optimum design of 3-DOF micro accelerometers. IETE Journal of Research, 60(4), 309-318. (Published).
  • Vakilian V, Frigon J, Roy S. (2014). On the Covariance Matrix and Capacity Evaluation of Reconfigurable Antenna Array Systems. IEEE Transactions on Wireless Communications, 13(6), 3452-3463. (Published).
  • Leroux P, Roy S. (2012). Designing and optimizing swarming in a distributed base station network: application to power control. ACM Transactions on Autonomous Adaptive Systems, 7(4), 24:1-24:19. (Published).
  • Pimentel J, Gad E, Roy S. (2012). High-order A-Stable and L-Stable State-Space Discrete Modelling of Continuous Systems. IEEE Transactions on Circuits and Systems I, 59(2), 346-359. (Published).
  • Leroux P, Roy S. (2011). Minimalist self-organization in wireless networks. REV Journal on Electronics and Communications, 1(1), 10-23. (Published).
  • Pham V, Taieb M, Chouinard J, Roy S, Huynh H. (2011). On the Double Doppler Effect Generated by Scatterer Motion. REV Journal on Electronics and Communications, 1(1), 30-37. (Published).
  • LeHuy P, Roy S. (2010). Low-power wake-up radio for wireless sensor networks. Mobile Networks and Applications, 15(2), 226-236. (Published).
  • Bertrand H, Grenier D, Roy S. (2008). Experimental antenna array calibration with artificial neural networks. Signal Processing, 88(1), 1152-1164. (Published).
  • Roy S, Dupont L, Boudreault J. (2008). An end-to-end prototyping framework for compliant wireless LAN transceivers with adaptive antennas. Computer Communications, 31(8), 1551-1563. (Accepted).
  • Tan T, Roy S, Thuy N, Huynh H. (2008). Streamlining the design of MEMS devices: an acceleration sensor. IEEE Circuits and Systems Magazine, 8(1), 18-27. (Published).
  • He Z, Fortier P, Roy S. (2006). Highly-parallel decoding architectures for convolutional turbo codes. IEEE Transactions on VLSI Systems, 14(10), 1147-1151. (Published).
  • He Z, Fortier P, Roy S. (2006). A class of irregular LDPC codes with low error floor and low encoding complexity. IEEE Communication Letters, 10(5), 372-374. (Published).
  • He Z, Fortier P, Roy S. (2005). Design of high-performance low-density parity-check codes using interleaver approach. Electronic Letters, 41(25), 1390-1391. (Published).
  • Roy S, Néron J. (2005). The Impact of Estimation Error and Dwell Time on the Performance of Predetection Selection Diversity Receivers. Wireless Personal Communications, 33(1), 87-108. (Accepted).
  • Roy S, Falconer D. (2004). The matched-filter bound on optimal space-time processing in correlated fading channels. IEEE Transactions on Wireless Communications, 3(6), 2156-2169. (Published).
  • Roy S, Fortier P. (2004). A closed-form analysis of fading envelope correlation across a wideband base station array. IEEE Transactions on Wireless Communications, 3(5), 1502-1507. (Published).
  • Roy S, Fortier P. (2004). Maximal-ratio combining architectures and performance with channel estimation based on a training sequence. IEEE Transactions on Wireless Communications, 3(4), 1154-1164. (Published).
  • Roy S, Huynh H, Fortier P. (2003). Compound Doppler spread effects of subscriber motion and scatterer motion. International Journal of Electronics and Communications, 57(4), 237--246. (Published).
  • Roy S, Falconer DD. (2003). Optimum Infinite-Length MMSE Multi-User Decision-Feedback Space-Time Processing in Broadband Cellular Radio. Wireless Personal Communications, 26(5), 1-32. (Accepted).

Chapitres de livre

  • Gosselin B, Roy S, Hosseini F. (2013). Ultra Low-power Techniques in Small Autonomous Implants and Sensor Nodes. Medical Electronics (571-594). CRC Press. (Published).
  • Gosselin B, Roy S, Hosseini F. (2013). Autonomous Implants and Sensor Nodes. Low Power Emerging Wireless Technologies (273-296). CRC Press. (Published).
  • Leroux P, Roy S. (2010). Multi-Agent Design for the Physical Layer of a Distributed Base Station Network. Radio Communications (493-522). INTECH. (Published).

Articles de conférence

  • Haroun M, Roy S. (2015). Adaptive iterative block-delayed partitioned Viterbi algorithm. Proceedings of IEEE VTC Fall 2015, (Published).
  • Latyr C et al. (2015). Intuitive wireless control of a robotic arm for upper body disabled people. Proceedings IEEE EMBC 2015, (Published).
  • Haroun M, Roy S. (2015). Adaptive block-length partitioned Viterbi algorithm. Proceedings Canadian Workshop on Information Theory (CWIT), 110-114. (Published).
  • Haroun M, Roy S. (2015). Block-delayed partitioned Viterbi algorithm BD-PVA. Proceedings IEEE Wireless Communication and Networking Conference, 218-222. (Published).
  • He Z, Fortier P, Roy S, Xu H. (2014). An encoder/decoder with throughput over gigabits / sec for rate-compatible LDPC codes with wide code rates. Proceedings International New Circuits and Systems Conference, 181-184. (Published).
  • Vakilian V, Nguyen H, Abielmona S, Roy S, Frigon J. (2014). Experimental study of direction-of-arrival estimation using reconfigurable antennas. Proceedings Canadian Conference on Electrical and Computer Engineering, 1-4. (Published).
  • Lagunas Morales J, Roy S. (2014). Chaos-based modulation for blind and coherent signal detection in non-cooperative TDD cellular networks with large antenna arrays. Proceedings International Conference on Networking and Communications (ICNC), 680-685. (Published).
  • He Z et al. (2013). Linearly-encodable rate-compatible punctured LDPC codes with low error floor. Proceedings International Conference on Information, Communications and Signal Processing (ICICS), 1-4. (Published).
  • Vakilian V, Frigon J, Roy S. (2013). Space-frequency block code for MIMO-OFDM communication systems with reconfigurable antennas. Proceedings IEEE Global Communications Conference (Globecom), 4221-4225. (Published).
  • Pimentel J, Gad E, Roy S. (2013). Stability analysis of BLDC motor speed controllers under the presence of time delays in the control loop. Proceedings International Conference on Connected Vehicles and Expo (ICCVE), 171-176. (Published).
  • Lagunas Morales J, Roy S. (2013). Channel estimation using time-shifted pilot sequences in noncooperative cellular TDD networks with large antenna arrays. Proceedings Asilomar Conference on Signals, Systems and Computers, 1258-1262. (Published).
  • Refaey A, Roy S, Laroche I, Gosselin B. (2013). Locally-connected Viterbi decoder architectures and their VLSI implementation for LDPC and convolutional codes. Proceedings Asilomar Conference on Signals, Systems and Computers, 505-509. (Published).
  • Benmimoune M, Massicotte D, Roy S. (2013). Second best codeword for MIMO broadcast channels with limited feedback. Proceedings International Conference on Wireless and Mobile Communications (ICWMC), (Published).
  • Roy S. (2013). Dual layer switch-and-examine / selection diversity receivers. Proceedings Vehicular Technology Conference (VTC) - Spring, 1-5. (Published).
  • Yousefian A, Roy S, Gosselin B. (2013). A low-power wireless multi-channel surface EMG sensor with simplified ADPCM data compression. Proceedings IEEE International Symposium on Circuits and Systems (ISCAS), 2287-2290. (Published).
  • Roy S. (2013). Performance analysis of hierarchical selection diversity combining in Rayleigh fading. Proceedings IEEE International Conference on Networking and Communications (ICNC), (Published).
  • Vakilian V, Frigon J, Roy S. (2012). Performance evaluation of reconfigurable MIMO systems in spatially correlated frequency-selective fading channels. Proceedings IEEE Vehicular Technology Conference (VTC) - Fall, 1-5. (Published).
  • Benmimoune M, Massicotte D, Roy S. (2012). Genetic algorithm optimization for codewords correction in MIMO broadcast channels. Proceedings IEEE Internat. Midwest Symposium on Circuits and Systems (MWSCAS), (Published).
  • Vakilian V, Frigon J, Roy S. (2012). Direction-of-arrival estimation in a clustered channel model. Proceedings New Circuits and Systems Conference (NEWCAS), (Published).
  • Roy S. (2012). Hierarchical selection diversity combining architecture. Proceedings IEEE Int. Conf. on Commun. (ICC), (Published).
  • Roy S. (2012). Noise impact factor in the performance of interference-limited diversity combining antenna arrays. Proceedings International Conference on Computing, Networking and Communications (ICNC), (Published).
  • Lagunas Morales J, Roy S. (2012). Training sequence design for robust joint detection and channel estimation over rank-deficient MIMO links. Proceedings IEEE International Conference on Networking and Communications (ICNC), (Published).
  • Vakilian V, Frigon J, Roy S. (2011). Effects of angle-of-arrival estimation errors, angular spread and antenna beamwidth on the performance of reconfigurable SISO systems. Proceedings IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM), (Published).
  • Refaey A, Roy S, Fortier P. (2011). A new approach for FEC decoding based on the BP algorithm in LTE and WiMAX systems. Proceedings Canadian Workshop on Information Theory (CWIT), (Published).
  • Thériault M, Roy S. (2011). Architecture de transmetteur pour l’évaluation de techniques de formation de voies dans les réseaux sans fil 802.11n. École d'hiver Francophone sur les Technologies de Conception des Systèmes Embarqués Hétérogènes (FETCH). (Published).
  • Douville X, Roy S. (2011). Circuit arithmétique multifonction récursif. École d'hiver Francophone sur les Technologies de Conception des Systèmes Embarqués Hétérogènes (FETCH). (Published).
  • Laroche I, Roy S, Fortier P, Beaumont J. (2010). Baseband MIMO receiver architecture for MC-CDMA and its FPGA implementation. Proceedings WiMob, (Published).
  • Lagunas Morales J, Roy S. (2010). Spectrally-efficient maximum-likelihood detection for chaotic underdetermined MIMO systems. Proceedings IEEE Workshop on Signal Processing Systems (SiPS), (Published).
  • Lagunas Morales J, Roy S. (2010). A low-complexity sphere decoder with noise-predictive radius initialization. Proceedings IASTED International Conf. on Wireless Communications (WC), (Published).
  • Lagunas Morales J, Roy S. (2010). Chaotic MIMO - spatial diversity techniques for DCSK modulation. Proceedings IASTED International Conf. on Wireless Communications (WC), (Published).
  • Viet-Ha P, Haj Taieb M, Chouinard J, Roy S. (2010). On the double Doppler effect generated by scatterer motion. Proceedings IASTED International Conf. on Wireless Communications (WC), (Published).
  • Lagunas Morales J, Roy S. (2010). Robust joint channel estimation and symbol detection via sphere decoding. Proceedings IASTED International Conf. on Wireless Communications (WC), (Published).
  • He Z, Roy S. (2010). High-speed sphere decoder for MIMO transceiver with adaptive modulations. Proceedings IEEE Northeast Workshop on Circuits and Systems (NEWCAS), (Published).
  • Nguyen M, Fortier P, Roy S, Beaumont J. (2010). Physical implementation of a baseband MC-CDMA downlink receiver. Proceedings IEEE Northeast Workshop on Circuits and Systems (NEWCAS), (Published).
  • He Z, Roy S. (2010). LDPC-coded two-way MIMO relay networks with physical layer network coding. Proceedings Queen's Biennial Symposium on Communications, (Published).
  • Thériault M, Roy S, Sentieys O. (2010). Transmitter architectures for the evaluation of beamforming schemes in 802.11n wireless LANs. Proceedings IEEE Wireless and Microwave Technology Conference, (Published).
  • Leroux P, Roy S. (2009). Distributed power control with multiple agents in a distributed base station scheme using macrodiversity. Proceedings International Symposium on Stabilization, Safety, and Security of Distributed Systems (S, (Published).
  • Refaey A, Roy S, Fortier P. (2009). On the application of BP decoding to convolutional and turbo codes. Proceedings Asilomar Conference on Signals, Systems and Computers, (Published).
  • Santoro R, Tisserand A, Sentieys O, Roy S. (2009). Arithmetic operators for on-the-fly evaluation of TRNGs. Proceedings SPIE Optics + Photonics, (Published).
  • Santoro R, Sentieys O, Roy S. (2009). On-line monitoring of random number generators for embedded security. Proceedings IEEE International Symposium on Circuits and Systems (ISCAS), (Published).
  • Santoro R, Sentieys O, Roy S. (2009). On-the-fly evaluation of FPGA-based true random number generator. Proceedings IEEE International Symposium on VLSI (ISVLSI), (Published).

Propriétés intellectuelles

Patents

  • (2013). Method and apparatus for signal acquisition in OFDM receivers. 8605843 B2. (Completed).
  • (2011). Reduced complexity multi-user space-time adaptive receiver based on dominant subspace filtering. 7904039. (Completed).

Autres contributions

Cours enseignés

  • Communications numériques. GEL610. (2014-06-03).
  • Processus aléatoires. GEL660. (2014-06-03).
  • Calcul discret. GIF450. (2013-07-02).
  • Traitement numérique des signaux. GIF443. (2013-07-02).
  • Projet de conception spécialisé II. GEN801. (2013-01-08).
  • Projet de conception spécialisé I. GEN701. (2012-08-28).
  • Introduction au traitement de signal. GEL4101. (2011-01-11).
  • Communications numériques avancées. GEL7060. (2004-01-06).
  • Microélectronique. GIF17457. (2004-01-06).
  • Conception de systèmes VLSI. GIF4202. (2000-09-05).

Gestion d'évènements

  • General chair. Canadian Workshop on Information Theory. (Workshop).
  • Publicity chair. Ecole d'hiver Francophone sur les Technologies de Conception des Systèmes embarqués Hétérogènes (FETCH). (Workshop).
  • Track chair. IEEE North-East Workshop on Circuits and Systems (NEWCAS) Colloque sur le Traitement Analogique de l'Information du Signal et ses Applications (TAISA). (Conference).
  • General Chair. IEEE Vehicular Technology Conference. (Conference).
  • Local arrangements chair. IEEE Workshop on Signal Processing Systems (SiPS). (Workshop).
  • Track chair. Vehicular Power and Propulsion Conference (VPPC). (Conference).

Présentations

  • (2015). Reducing the complexity and cost of next gen Massive MIMO systems through quasi-massive effect. IEEE International Conference on Communications (ICC). London.
  • (2015). On massive MIMO and full-duplex radio. INSA Rennes. Rennes.
  • (2014). RF-level processing in multi-antenna transceivers. University of Waterloo. Rennes.
  • (2014). Quasi-cyclic LDPC codes and efficient hardware implementations. Invited ReSMiQ seminar, UQAM. Montreal.
  • (2013). Sélection opportuniste à complexité réduite dans les transcepteurs multi-antennes. Colloque sur les communications sans fil dans le cadre du 81 congrès de l'ACFAS. Quebec.
  • (2011). Un cadre de prototypage logiciel-matériel sur FPGA appliqué aux communications sans fil multi-antennes. Ecole d'hiver Francophone sur les Technologies de Conception des Systèmes embarqués Hétérogènes (FETCH). Quebec.
  • (2010). Squeezing the spectral lemon: advances in signal processing and coding to improve spectral efficiency. (keynote) International Conference for Advanced Technologies for Communications (ATC). Ho Chi Minh.
  • (2010). Minimalist self-organization in wireless networks. (invited presentation) iCORE Wireless Communications Laboratory, U. of Alberta. Edmonton.

Les informations disponibles dans la base de données Expertus sont tirées du CV commun canadien.