Giovanni Stea

PhD - Full Professor

Dipartimento di Ingegneria dell'Informazione

Largo Lucio Lazzarino (gia' Via Diotisalvi) 1,
I-56122 Pisa (Italy)

Switch +39 050 2217 599
Direct +39 050 2217 653
Fax +39 050 2217 600

E-mail: name<dot>surname<at>unipi<dot>it

Profiles: Google Scholar, DBLP, Linkedin, ResearchGate, ORCID, SciProfiles.
 

Giovanni Stea received the Laurea degree (summa cum laude) and the PhD degree in Computer Systems Engineering from the University of Pisa, Italy, in 1999 and 2003 respectively. Starting from January 2004, he has been with the Department of Information Engineering, where he is now Full Professor and Executive Director of the FoReLab project.

Research Interests

The main research area of Giovanni Stea is Quality of Service in multi-service networks, therein including:

  • Algorithms for QoS provisioning in packet networks (scheduling, admission control, QoS routing, etc.)
  • Performance Evaluation via simulation and analytical techniques, e.g. Network Calculus
  • Multi-access Edge Computing
  • Mobile Network Architectures (4G/5G/6G)

Publications

The publication titles are normally linked to the publisher website. Preprints of most of the works below are available on the IRIS-ARPI institutional database.

International Journals (peer reviewed)

  1. G. Nardini, G. Stea, "Enabling simulation services for digital twins of 5G/B5G mobile networks", Elsevier Computer Communications, pag. 33-48, Vol. 213, 1 Jan 2024, DOI: 10.1016/j.comcom.2023.10.017
  2. A. Pashazadeh, G. Nardini, G. Stea, “A Comprehensive Survey Exploring the Multifaceted Interplay between Mobile Edge Computing and Vehicular Networks”, MDPI Future Internet, 15(12), 391, 2023, DOI 10.3390/fi15120391
  3. Md Amirul Islam, Md Ashraf Uddin, Sunil Aryal, Giovanni Stea, "An ensemble learning approach for anomaly detection in credit card data with imbalanced and overlapped classes", Elsevier Journal of Information Security and Applications, Volume 78, November 2023, DOI: 10.1016/j.jisa.2023.103618
  4. J.L. Corcuera Barcena, P. Ducange, F. Marcelloni, G. Nardini, A. Renda, F. Ruffini, A. Schiavo, G. Stea, A. Virdis, “Enabling Federated Learning of Explainable AI Models within Beyond-5G/6G Networks”, Computer Communications, DOI: 10.1016/j.comcom.2023.07.039 (2023)
  5. R. Zippo, P. Nikolaus, G. Stea, "Extending the Network Calculus Algorithmic Toolbox for Ultimately Pseudo-Periodic Functions: Pseudo-Inverse and Composition", Discrete-Event Dynamic Systems, DOI: 10.1007/s10626-022-00373-5, August 2023
  6. G. Nardini, A. Noferi, G. Stea, "Platooning-as-a-Service in a Multi-operator ETSI MEC Environment", IEEE Access, 2023, DOI: 10.1109/ACCESS.2023.3286023
  7. R. Zippo, G. Stea, "Computationally efficient worst-case analysis of flow-controlled networks with Network Calculus", IEEE Transactions on Information Theory, Volume 69, Issue 4, April 2023, DOI: 10.1109/TIT.2023.3244276
  8. G. Nardini, A. Noferi, P. Ducange, G. Stea, "Exploiting Simu5G for Generating Datasets for Training and Testing AI Models for 5G/6G Network Applications", Elsevier SoftwareX, Volume 21, February 2023, 101320, DOI: 10.1016/j.softx.2023.101320
  9. A. Noferi, G. Nardini, G. Stea, A. Virdis, "Rapid prototyping and performance evaluation of ETSI MEC-based applications", Elsevier Simulation Modeling Practice and Theory, Volume 123, February 2023, 102700, DOI: 10.1016/j.simpat.2022.102700
  10. A. Renda, P. Ducange, F. Marcelloni, D. Sabella, M. C. Filippou, G. Nardini, G. Stea, A. Virdis, D. Micheli, D. Rapone, L. Gomes Baltar, "Federated Learning of eXplainable AI models in 6G systems: Towards secure and automated vehicles networking", MDPI Information, 13(8), August 2022, DOI: 10.3390/info13080395
  11. R. Zippo, G. Stea, "Nancy: an efficient parallel Network Calculus library", Elsevier SoftwareX, Volume 19, July 2022, DOI: 10.1016/j.softx.2022.101178
  12. S. Kumari, M. Bhatia, G. Stea, "Fog-computing based Healthcare Framework for Predicting Encephalitis Outbreak", Big Data Research, 2022 DOI: 10.1016/j.bdr.2022.100330
  13. Md. A. Islam, G. Stea, S. Mahmud, Kh. M. Raman, “COVID-19 Cases Detection from Chest X-Ray Images Using CNN Based Deep Learning Model”, International Journal of Advanced Computer Science and Applications (IJACSA), Volume 13 Issue 5, 2022, DOI:10.14569/IJACSA.2022.01305108
  14. Md. S. Rahman, Md. A. Islam, Md. A. Uddin, G. Stea, "A Survey of Blockchain-Based IoT eHealthcare: Applications, Research Issues, and Challenges", Elsevier Internet of Things, Volume 19, August 2022, DOI: 10.1016/j.iot.2022.100551
  15. M. Andreozzi, A. Frangioni, L. Galli, G.Stea, R. Zippo, "A MILP Approach to DRAM Access Worst-Case Analysis", Elsevier Computers and Operations Research, vol. 143, July 2022, DOI: 10.1016/j.cor.2022.105774
  16. A. Kaur, M. Bhatia, G. Stea, "A survey of smart classroom literature", MDPI Education Sciences, 2022, 12(2), 86; DOI 10.3390/educsci12020086
  17. G. Nardini, G. Stea, A. Virdis, “A low-latency and reliable multihop D2D transmissions scheduling algorithm for guaranteed message dissemination”, Ad Hoc Networks, Volume 126, 1 March 2022, DOI 10.1016/j.adhoc.2021.102755
  18. G. Nardini, G. Stea, A. Virdis, "Scalable Real-time Emulation of 5G Networks with Simu5G", IEEE Access, Vol. 9, pp. 148504-148520, 2021, DOI 10.1109/ACCESS.2021.3123873
  19. A. Virdis, G. Stea, G. Dini, "SAPIENT: enabling real-time monitoring and control in the Future Communication Infrastructure of Air Traffic Management", IEEE Transactions on Intelligent Transportation Systems, 22(8), pp. 4864-4875, August 2021, DOI: 10.1109/TITS.2020.2983614
  20. A. Virdis, G. Nardini, G. Stea, D. Sabella, "End-to-end performance evaluation of MEC deployments in 5G scenarios", MDPI Journal of Sensor and Actuator Networks, 9(4), 57, 2020, DOI: 10.3390/jsan9040057
  21. G. Nardini, D. Sabella, G. Stea, P. Thakkar, A. Virdis "Simu5G – An OMNeT++ library for end-to-end performance evaluation of 5G networks", IEEE Access, 2020, DOI: 10.1109/ACCESS.2020.3028550
  22. F. De Vita, G. Nardini, A. Virdis, D. Bruneo, A. Puliafito, G. Stea, "Using Deep Reinforcement Learning for Application Relocation in Multi-access Edge Computing", IEEE Communication Standards Magazine, Vol. 3, Issue 3, pp. 71-78, Sep. 2019, DOI: 10.1109/MCOMSTD.2019.1900011
  23. G. Nardini, A. Virdis, G. Stea, "Modeling network-controlled device-to-device communications in SimuLTE", MDPI Sensors, 18(10), 3551, DOI: 10.3390/s18103551, 2018
  24. D. Sabella, P. Serrano, G. Stea, A. Virdis, I. Tinnirello, F. Giuliano, D. Garlisi, P. Vlacheas, P. Demestichas, V. Foteinos, N. Bartzoudis, M. Payaró, "Designing the 5G Network Infrastructure: a Flexible and Reconfigurable Architecture Based on Context and Content Information", EURASIP Journal on Wireless Communications and Networking, 2018:199, DOI: 10.1186/s13638-018-1215-1 (2018)
  25. A. Frangioni, L. Galli, G. Stea, “Towards Robust Admission Control in Delay-Constrained Routing Problems”, Electronic Notes in Discrete Mathematics, Vol. 69, August 2018, pp. 45-52, DOI: 10.1016/j.endm.2018.07.007 (2018)
  26. A. Virdis, C. Vallati, G. Nardini, G. Tanganelli, G. Stea, E. Mingozzi, “D2D Communications for Large-Scale Fog Platforms: Enabling Direct M2M Interactions”, IEEE Vehicular Technology Magazine, 13(2), pp. 24-33, June 2018, DOI 10.1109/MVT.2017.2775560
  27. G. Nardini, A. Virdis, C. Campolo, A. Molinaro, G. Stea, "Cellular-V2X Communications for Platooning: Design and Evaluation", MDPI Sensors, 18(5), 1527; DOI: 10.3390/s18051527, 2018
  28. G. Nardini, G. Stea, A. Virdis, A. Frangioni, L. Galli, D. Sabella, G.M. Dell'Aera, "Practical feasibility, scalability and effectiveness of coordinated scheduling algorithms in cellular networks towards 5G", Elsevier Journal of Network and Computer Applications, 106C pp. 1-16, DOI 10.1016/j.jnca.2018.01.007, 2018
  29. G. Nardini, G. Stea, A. Virdis, "A scalable data-plane architecture for one-to-one device-to-device communications in LTE-Advanced", Elsevier Computer Networks, 131C pp.77-95, DOI 10.1016/j.comnet.2017.12.006, February 2018
  30. G. Nardini, G. Stea, A. Virdis, “A fast and reliable broadcast service for LTE-Advanced exploiting multihop device-to-device transmissions”, Future Internet, 2017, 9(4), 89; DOI: 10.3390/fi9040089 (November 2017)
  31. A. Virdis, G. Stea, D. Sabella, M. Caretti, "A distributed power-saving framework for LTE HetNets exploiting Almost Blank Subframes", IEEE Transactions on Green Communications and Networking, Vol. 1, issue 3, September 2017, DOI 10.1109/TGCN.2017.2714205
  32. A. Virdis, G. Stea, D. Sabella, M. Caretti, "A Practical Framework for Energy-Efficient Node Activation in Heterogeneous LTE Networks", Mobile Information Systems, vol. 2017, Article ID 2495934, 17 pages, June 2017 DOI:10.1155/2017/2495934
  33. A. Frangioni, L. Galli, G. Stea, "QoS Routing with worst-case delay constraints: models, algorithms and performance analysis", Elsevier Computer Communications, 103(2017), pp.104–115, DOI 10.1016/j.comcom.2016.09.006, May 2017
  34. A. Frangioni, L. Galli, G. Stea, "Delay-constrained Routing Problems: Accurate Scheduling Models and Admission Control", Elsevier Computers & Operations Research, DOI: 10.1016/j.cor.2016.12.009, Vol. 81, pp. 67-77, May 2017
  35. G. Nardini, G. Stea, A. Virdis, D. Sabella, M. Caretti, "Resource allocation for network-controlled device-to-device communications in LTE-Advanced", Springer Wireless Networks, 23(3), pp. 787-804, DOI: 10.1007/s11276-016-1193-3, March 2017
  36. C. Vallati, A. Virdis, E. Mingozzi, G. Stea, “ Mobile-Edge Computing Come Home! Connecting things in future smart homes using LTE device-to-device communications”, IEEE Consumer Electronics Magazine, October 2016, pp.77-83, DOI: 10.1109/MCE.2016.2590100
  37. G. Nardini, G. Stea, A. Virdis, D. Sabella, M. Caretti, "Practical large-scale coordinated scheduling in LTE-Advanced networks", Springer Wireless Networks, DOI: 10.1007/s11276-015-0948-6, Volume 22, Issue 1, pp. 11-31, January 2016
  38. A. Bouillard, G. Stea, "Exact Worst-case Delay in FIFO-multiplexing Feed-forward Networks", IEEE/ACM Transactions on Networking, vol. 23, no. 5, October 2015, pp. 1387-1400, DOI 10.1109/TNET.2014.2332071
  39. A. Frangioni, L. Galli, G. Stea, "Optimal Joint Path Computation and Rate Allocation for Real-time Traffic", Computer Journal, Vol. 58 No. 6, 2015, pp. 1416-1430, DOI 10.1093/comjnl/bxu053,
  40. P. Cappanera, A. Lori, G. Stea, G. Vaglini, "On the schedulability of deadline-constrained traffic in TDMA Wireless Mesh Networks", Computer Journal, Vol. 58, no.2, February 2015, pp. 215-233, DOI 10.1093/comjnl/bxt154,
  41. G. Stea, A. Virdis, "A comprehensive simulation analysis of LTE Discontinuous Reception (DRX)", Elsevier Computer Networks, 73 (2014), pp.22-40, DOI 10.1016/j.comnet.2014.07.014,
  42. G. Accongiagioco, M. Andreozzi, D. Migliorini, G. Stea, "Throughput-optimal Resource Allocation in LTE-Advanced with Distributed Antennas" Elsevier Computer Networks, vol. 57(2013), pp. 3997-4009 (December 2013),
  43. H. Bang, K.-H. Doo, S. Myong, G. Stea, C.-S. Park, "Design and Analysis of IPACT-based Bandwidth Allocation for Delay-Guarantee in OFDMA-PON", IEEE/OSA Journal of Optical Communications and Networking, Vol. 5, Issue 11, pp. 1236-1249 (November 2013),
  44. P. Cappanera, L. Lenzini, A. Lori, G. Stea, G. Vaglini, "Optimal joint routing and link scheduling for real-time traffic in TDMA Wireless Mesh Networks", Elsevier Computer Networks, Volume 57, Issue 11, 5 August 2013, Pages 2301–2312,
  45. L. Bisti, L. Lenzini, E. Mingozzi, G. Stea, "Numerical analysis of worst-case end-to-end delay bounds in FIFO tandem networks", Springer Real Time Systems Journal, Volume 48, Issue 5, pages 527-569, DOI: 10.1007/s11241-012-9153-1, 2012.
  46. P. Cappanera, L. Lenzini, A. Lori, G. Stea, G. Vaglini, "Efficient Link Scheduling for Online Admission Control of Real-time Traffic in Wireless Mesh Networks", Elsevier Computer Communications, Volume 34, Issue 8, 1 June 2011, pp. 922-934   (special issue dedicated to the best papers of WoWMoM 2009)
  47. E. Mingozzi, G. Stea, M. A. Callejo-Rodríguez, J. Enríquez-Gabeiras, G. García-de-Blas, F. J. Ramón-Salquero, W. Burakowski, A. Beben, J. Sliwinski, H. Tarasiuk, O. Dugeon, M. Diaz, L. Baresse, E. Monteiro, "EuQoS: End-to-End Quality of Service over Heterogeneous Networks", Elsevier Computer Communications,  Volume 32, Issue 12, 27 July 2009, pp. 1355-1370 (special issue on End-to-end support over Heterogeneous Wired-Wireless Networks: 9 papers accepted out of 96 submitted)
  48. O. Dugeon, E. Mingozzi, G. Stea, L. Bisti, "Provisioning QoS in Inter-domain Traffic Engineering", Springer Annals of Telecommunications, Vol. 63, No. 11-12, December 2008, pp. 545-557 (special issue on Inter-Domain Routing and QoS over Heterogeneous Networks)
  49. L. Lenzini, E. Mingozzi, G. Stea, "A Methodology for Computing End-to-end Delay Bounds in FIFO-multiplexing Tandems" Elsevier Performance Evaluation, 65 (2008) 922-943 (special issue dedicated to VALUETOOLS 2007 best papers)
  50. L. Lenzini, E. Mingozzi, G. Stea, “Performance Analysis of Modified Deficit Round Robin Schedulers”, IOS Journal of High-Speed Networks, 16/4, 2007, pp. 399-422
  51. C. Cicconetti, L. Lenzini, E. Mingozzi, G. Stea, “An Efficient Cross Layer Scheduler for Multimedia Traffic in Wireless Local Area Networks with IEEE 802.11e HCCA", ACM Mobile Computing and Communication Review, July 2007
  52. C. Cicconetti, L. Lenzini, E. Mingozzi, G. Stea, “Design and Performance Analysis of the Real-Time HCCA Scheduler for IEEE 802.11e WLANs", Elsevier Computer Networks, Vol. 51, Issue 9, 20 June 2007, pp. 2311-2325
  53. X. Masip-Bruin, M. Yannuzzi, R. Serral-Gracià, J. Domingo-Pascual, J. Enríquez-Gabeiras, M. Callejo, M. Diaz, F. Racaru, G. Stea, E. Mingozzi, A. Beben, W. Burakowski, E. Monteiro, L. Cordeiro, "The EuQoS System: A solution for QoS Routing in Heterogeneous Networks", IEEE Communications Magazine, Vol. 45, Issue 2, February 2007, pp. 96-103 (special issue on QoS routing)
  54. L. Lenzini, L. Martorini, E. Mingozzi, G. Stea, "Tight End-to-end Per-flow Delay Bounds in FIFO Multiplexing Sink-tree Networks", Elsevier Performance Evaluation, Vol. 63, Issues 9-10 , October 2006, pp. 956-987
  55. L. Lenzini, E. Mingozzi, G. Stea, "Delay Bounds for FIFO Aggregates: a Case Study", Elsevier Computer Communications Vol. 28, Issue 3, February 2005, pp. 287-299 (special issue dedicated to the best papers of QoFiS 2003)
  56. L. Lenzini, E. Mingozzi, G. Stea, "Eligibility-Based Round Robin for Fair and Efficient Packet Scheduling in Interconnection Networks", IEEE Transactions on Parallel and Distributed Systems, March 2004, pp. 254-266
  57. L. Lenzini, E. Mingozzi, G. Stea, "Tradeoffs between Low Complexity, Low Latency and Fairness with Deficit Round Robin Schedulers", IEEE/ACM Transactions on Networking, August 2004, pp. 681-693
  58. L. Lenzini, E. Mingozzi, G. Stea, "Design and Performance Analysis of the Generalized Timed Token Service Discipline", IEEE Transactions on Computers, Vol. 53, No. 7, July 2004, pp. 879-891
  59. L. Lenzini, E. Mingozzi, G. Stea, "A Unifying Service Discipline for Providing Rate-Based Guaranteed and Fair Queuing Services Based on the Timed Token Protocol", IEEE Transactions on Computers, Vol. 51, Issue 9, September 2002, pp. 1011-1025
  60. L. Lenzini, E. Mingozzi, G. Stea, "Packet Timed Token Service Discipline: a Scheduling Algorithm Based on the Dual-Class Paradigm for Providing QoS in Integrated Services Networks", Elsevier Computer Networks, Vol. 39, Issue 4, July 2002, pp. 363-384

International Conference Proceedings (peer reviewed)

  1. J. L. Corcuera Barcena, M. Daole, P. Ducange, F. Marcelloni, G. Nardini, A. Renda and G. Stea, “Federated Learning of Explainable Artificial Intelligence Models: A Proof-of-Concept for Video-streaming Quality Forecasting in B5G/6G networks”, xAI 2023, Lisbon, Portugal, July 26-28, 2023
  2. R. Zippo, P. Nikolaus, G. Stea, "Isospeed: Improving (min,+) Convolution by Exploiting (min,+)/(max,+) Isomorphism", ECRTS 2023, Vienna (AT), 12-15 July 2023
  3. A. Frangioni, L. Galli, G. Nardini, G. Stea, "Bi-dimensional Assignment in 5G Periodic Scheduling", International Conference on Optimization and Decision Science (ODS2022), Florence, Italy, August 30 - September 2, 2022
  4. J.L. Corcuera Barcena, P. Ducange, F. Marcelloni, G. Nardini, A. Noferi, A. Renda, G. Stea, A. Virdis, "Towards Trustworthy AI for QoE prediction in B5G/6G Networks", Proceedings of First International Workshop on Artificial Intelligence in Beyond 5G and 6G Wireless Networks (AI6G 2022), Padova, 2022
  5. G. Nardini, G. Stea, "Using network simulators as digital twins of 5G/B5G mobile networks", TwinNets2022, Belfast, UK, 14-17 June 2022
  6. A. Noferi, G. Nardini, G. Stea, A. Virdis "Deployment and configuration of MEC apps with Simu5G", 8th OMNeT++ summit, virtual, September 8-10 2021
  7. M. Uusitalo, P. Rugeland, M. Boldi, E. Calvanese Strinati, G. Carrozzo, P. Demestichas, M. Ericson, G. Fettweis, M.-H. Hamon, M. Latva-aho, J. Martrat, A. Pärssinen, B. Richerzhagen, D. Sabella, H. Schotten, P. Serrano, G. Stea, T. Svensson, S. Ustundag Soykan, G. Wikström, V. Ziegler, Y. Zou, “Hexa-X the European 6G Flagship Project”, EUCNC 2021, Porto (PG), 8-11 June 2021
  8. F. Rehm, J. Seitter, J.-P. Larsson, S. Saidi, G. Stea, R. Zippo, D. Ziegenbein, M. Andreozzi, A. Hamann, "The Road towards Predictable Automotive High-Performance Platforms", DATE 2021, Grenoble, 1-5 February 2021
  9. G. Nardini, G. Stea, A. Virdis, D. Sabella, P. Thakkar, "Using Simu5G as a Realtime Network Emulator to Test MEC Apps in an End-To-End 5G Testbed", PiMRC 2020, London, UK, 1-3 September 2020
  10. G. Nardini, G. Stea, A. Virdis, D. Sabella, "Simu5G: a system-level simulator for 5G networks", Best Paper Award, SIMULTECH 2020, online conference, July 2020
  11. M. Cacciola, A. Frangioni, L. Galli, G. Stea, “A Lagrangian approach to Chance Constrained Routing with Local Broadcast”, 18th Cologne-Twente Workshop on Graphs and Combinatorial Optimization, Ischia, Italy, June 15-17, 2020
  12. A. Virdis, G. Nardini, G. Stea, Y. Shi, Z. Bian, “A co-simulation framework to evaluate edge deployment options and performance”, CLEEN 2020, Dublin, Ireland, June 7, 2020
  13. A. Virdis, G. Nardini, G. Stea, "A Framework for MEC-enabled Platooning", CLEEN 2019, Marrakech, Morocco, 15 April 2019
  14. D. Bruneo, F. De Vita, A. Puliafito, G. Nardini, A. Virdis, G. Stea, "A Deep Reinforcement Learning Approach for Data Migration in Multi-access Edge Computing", ITU Kaleidoscope 2018, Santa Fe (AR), 26-28 November 2018
  15. C. Caiazza, A. Virdis, G. Stea, "Simulating LISP-Based Multilink Communications in Aeronautical Networks", OMNeT++ summit 2018, Pisa, Italy, September 2018
  16. G. Nardini, A. Virdis, G. Stea, A. Buono, "SimuLTE-MEC: extending SimuLTE for Multi-access Edge Computing", OMNeT++ summit 2018, Pisa, Italy, September 2018
  17. G. Nardini, A. Virdis, N. Iardella, A. Frangioni, L. Galli, G. Stea, "Minimizing power consumption in virtualized cellular networks", CLEEN 2018, Porto (PT), June 3 2018
  18. A. Virdis, G. Stea, S. La Barbera, R. Winkler, “SAPIENT-Simulator Modelling and Architecture”, in Proceedings of the 23rd Ka and Broadband Communications Conference, Trieste, Italy, October 4-6 2017, ISBN:ISSN-2573-6124
  19. S. La Barbera, R. Winkler, D. Finocchi, J. Capolicchio, G. Stea, A. Virdis, G. Dini, “SESAR Exploratory Research SAPIENT Project Overview”, in Proceedings of the 23rd Ka and Broadband Communications Conference, Trieste, Italy, October 4-6 2017, ISBN:ISSN-2573-6124
  20. G. Nardini, A. Virdis, G. Stea, "Simulating Cellular Communications in Vehicular Networks: Making SimuLTE Interoperable with Veins", Proc. of the 4th OMNeT++ Community Summit, University of Bremen - Germany - September 7-8, 2017
  21. N. Iardella, G. Nardini, G. Stea, A. Virdis, A. Frangioni, L. Galli, D. Sabella, F. Mauro, G.M. Dell'Aera, M. Caretti, "A testbed for flexible and energy-efficient resource management with virtualized LTE-A nodes", CLEEN 2017, Turin, Italy, 21-22 June 2017
  22. G. Nardini, G. Stea, A. Virdis, A. Frangioni, L. Galli, D. Sabella, G.M. Dell'Aera, "Scalability and energy efficiency of Coordinated Scheduling in cellular networks towards 5G", CLEEN 2017, Turin, Italy, 21-22 June 2017
  23. D. Sabella, P. Serrano, G. Stea, A. Virdis, I. Tinnirello, F. Giuliano, D. Garlisi, P. Vlacheas, P. Demestichas, V. Foteinos, N. Bartzoudis, M. Payaró, A. Medela, " A Flexible and Reconfigurable 5G Networking Architecture Based on Context and Content Information", EuCNC 2017, Oulu, Finland, June 12-15, 2017
  24. N. Iardella, G. Nardini, G. Stea, A. Virdis, L. Galli, A. Frangioni, D. Sabella, F. Mauro, G.M. Dell'Aera, M. Caretti, "Flexible dynamic Coordinated Scheduling in Virtual-RAN deployments", FlexNets 2017, Paris, FR, 20th May 2017
  25. G. Nardini, A. Virdis, G. Stea, "Simulating device-to-device communications in OMNeT++ with SimuLTE: scenarios and configurations", OMNeT++ Community summit, Brno (CZ), September 15, 2016
  26. G. Nardini, G. Stea, A. Virdis, D. Sabella, M. Caretti, “Broadcasting in LTE-Advanced networks using multihop D2D communications”, PIMRC 2016, Valencia, September 7-9, 2016
  27. G. Nardini, A. Virdis, G. Stea, “Modeling X2 backhauling for LTE-Advanced and assessing its effect on CoMP Coordinated Scheduling”, IWSLS2 2016, Vienna, July 1st, 2016
  28. A. Virdis, G. Nardini, G. Stea, “Modeling unicast device-to-device communications with SimuLTE”, IWSLS2 2016, Vienna, July 1st, 2016
  29. N. Iardella, G. Stea, A. Virdis, D. Sabella, A. Frangioni, "Statistically sound experiments with OpenAirInterface Cloud-RAN prototypes", CLEEN 2016, Grenoble, FR, May 2016
  30. G. Nardini, G. Stea, A. Virdis, D. Sabella, M. Caretti, "Fast and agile lossless mode switching for D2D communications in LTE-Advanced networks", IEEE VTC Spring 2016, Nanjing, PRC, 15-18 May 2016
  31. G. Nardini, G. Stea, A. Virdis, "Performance evaluation of TCP-based traffic over direct communications in LTE-Advanced", IEEE VTC Spring 2016, Nanjing, PRC, 15-18 May 2016
  32. C. Vallati, A. Virdis, E. Mingozzi, G. Stea, "Exploiting LTE D2D Communications in M2M Fog Platforms: Deployment and Practical Issues”, proc. of IEEE 2nd World Forum on Internet of Things (WF-IoT), Milan, Italy, 14-16 Dec. 2015, pp. 585-590, DOI: 10.1109/WF-IoT.2015.7389119
  33. A. Virdis, N. Iardella, G. Stea, D. Sabella, “Performance analysis of OpenAirInterface system emulation”, PMECT 2015, Rome, Italy, August 26, 2015, pp. 662-669, DOI: 10.1109/FiCloud.2015.77
  34. A. Virdis, G. Stea, G. Nardini, “SimuLTE: A Modular System-level Simulator for LTE/LTE-A Networks based on OMNeT++”, SimulTech 2014, Vienna, AT, August 28-30, 2014.
  35. G. Nardini, G. Stea, A. Virdis, D. Sabella, M. Caretti, “Effective dynamic coordinated scheduling in LTE-Advanced networks”, EUCNC 2014, Bologna, IT, June 23-26, 2014.
  36. G. Nardini, G. Stea, A. Virdis, M. Caretti, D. Sabella, “Improving network performance via optimization-based centralized coordination of LTE-A cells”, CLEEN 2014, Istanbul, TK, April 6, 2014
  37. D. Migliorini, G. Stea, M. Caretti, D. Sabella, " Power-aware allocation of MBSFN subframes using Discontinuous Cell Transmission in LTE systems", CLEEN 2013, Las Vegas, USA, September 2 2013
  38. M. Boyer, G. Stea and W. Mangoua Sofack, "Deficit Round Robin with network calculus", VALUETOOLS 2012, Cargese (FR), October 5-7 2012, pp. 138-147
  39. A. Bouillard, G. Stea "Exact worst-case delay for FIFO-multiplexing tandems", VALUETOOLS 2012, Cargese (FR), October 5-7 2012, pp. 158-167
  40. L. Bisti, L. Lenzini, E. Mingozzi, G. Stea, "DEBORAH: A Tool for Worst-case Analysis of FIFO Tandems", ISoLA 2010, Special Track on Worst-case Traversal Time, Crete, GR, October 18, 2010
  41. A. Lori, G. Stea, G. Vaglini, "Towards resource-optimal routing plans for real-time traffic", ISoLA 2010, Special Track on Worst-case Traversal Time, Crete, GR, October 18, 2010
  42. P. Cappanera, L. Lenzini, A. Lori, G. Stea, G. Vaglini, "Optimal Link Scheduling for Real-time Traffic in Wireless Mesh Networks in both Per-flow and Per-path Frameworks", Proceedings of WoWMoM 2010, Montreal, CA, June 2010.
  43. M. Andreozzi, G. Stea, D. Sabella, "OptiMOS: Optimal MOS-based scheduling of downlink voice flows in point-to-multipoint access networks", Proceedings of WoWMoM 2010, Montreal, CA, June 2010.
  44. J. Navarro-Ortiz, J.M. Lopez-Soler, G. Stea, "Quality of Experience Based Resource Sharing in IEEE 802.11e HCCA", Proceedings of European Wireless 2010, Lucca, Italy, 12-15 April 2010
  45. M. Andreozzi, G. Stea, "Effective Scheduling of Real-time Traffic in HSUPA", Proceedings of European Wireless 2010, Lucca, Italy, 12-15 April 2010
  46. L. Bisti, E. Mingozzi, G. Stea, "Interdomain Path Computation for PCE-assisted Traffic Engineering", Proceedings of BROADNETS 2009, Madrid, Spain, September 14-17, 2009.
  47. M. Andreozzi, G. Stea, A. Bacioccola, R. Rossi, "Flexible Scheduling for Real-Time Services in High-Speed Packet Access Cellular Networks", Proceedings of European Wireless 2009, Aalborg, DK, May 17-20, 2009.
  48. P. Cappanera, L. Lenzini, A. Lori, G. Stea, G. Vaglini, "Link Scheduling with End-to-end Delay Constraints in Wireless Mesh Networks", Proceedings of WoWMoM 2009, Kos, Greece, June 15-19, 2009.
  49. M. Andreozzi, G. Stea, C. Vallati, "A Framework for Large-scale Simulations and Output Result Analysis with ns-2", Proceedings of QoSim 2009, Rome, Italy, March 6, 2009.
  50. L. F. Perrone, C. Cicconetti, G. Stea, B. Ward, "On The Automation of Computer Network Simulators", Proceedings of SIMUTOOLS 2009, Rome, Italy, March 3-5, 2009 [54/139].
  51. L. Bisti, L. Lenzini, E. Mingozzi, G. Stea, "Estimating the Worst-case Delay in FIFO Tandems Using Network Calculus", Proceedings of VALUETOOLS 2008, Athens, Greece, October 21-23, 2008.
  52. M. Callejo-Rodríguez, J. Enríquez-Gabeiras, W. Burakowski, A. Beben, J. Sliwinski, O. Dugeon, E. Mingozzi, G. Stea, M. Diaz, L. Baresse, "EuQoS: End-to-End QoS over Heterogeneous Networks", Proceedings of K-INGN 2008, Geneva (CH), May 12-13, 2008.
  53. H. Tarasiuk, J. Mongay-Batalla, R. Janowski, W. Burakowski, G. Stea, C. Cicconetti, J. Sá Silva, F. J. Ramon-Salquero, and G. García-de Blas, "Designing the Simulative Evaluation of an Architecture for Supporting QoS on a Large Scale", Proceedings of QoSim 2008, Marseille (FR), March 3, 2008.
  54. L. Lenzini, E. Mingozzi, G. Stea, "End-to-end Delay Bounds in FIFO-multiplexing Tandems", Proceedings of VALUETOOLS'07, Nantes (FR), October 23-25, 2007.
  55. A. Bacioccola, C. Cicconetti, G. Stea, “User level performance evaluation of VoIP using ns-2", Proceedings of NSTOOLS'07, First International Workshop on Network Simulation Tools, Nantes (FR), October 22, 2007.
  56. C. Cicconetti, E. Mingozzi, G. Stea, “An Integrated Framework for Enabling Effective Data Collection and Statistical Analysis with ns-2", Proceedings of WNS2 - The Workshop on ns-2, the IP simulator, Pisa, Italy, October 10, 2006.
  57. L. Lenzini, L. Martorini, E. Mingozzi, G. Stea, "A Novel Approach to Scalable CAC for Real-time Traffic in Sink-Tree Networks with Aggregate Scheduling", Proceedings of VALUETOOLS 2006, Pisa, Italy, October 11-13, 2006.
  58. L. Lenzini, E. Mingozzi, G. Stea, "Bandwidth and Latency Analysis of Modified Deficit Round Robin Scheduling Algorithms", Proceedings of VALUETOOLS 2006, Pisa, Italy, October 11-13, 2006.
  59. C. Cicconetti, L. Lenzini, E. Mingozzi, G. Stea, “Efficient Provisioning of Real-Time QoS Guarantees in IEEE 802.11e WLANs", Proceedings of European Wireless 2006, Athens, Greece, April 2006.
  60. L. Lenzini, L. Martorini, E. Mingozzi, G. Stea, “Exploiting Network Calculus for Delay-based Admission Control in a Sink-Tree Network”, Proceedings of FIRB-PERF Workshop 05, Torino, Italy, September 19, 2005, pp. 126-135.
  61. C. Cicconetti, L. Lenzini, E. Mingozzi, G. Stea, "A Software Architecture for Simulating IEEE 802.11e HCCA", Proceedings of 3rd IPS MoMe 2005, Warsaw, March 14-15, 2005, pp. 97-104.
  62. C. Cicconetti, M. L. Garcia Osma, X. Masip, J. Sá Silva, G. Stea, H. Tarasiuk, "Simulation Model for End-to-end QoS across Heterogeneous Networks", Proceedings of 3rd IPS MoMe 2005, Warsaw, March 14-15, 2005, pp. 79-89.
  63. L. Lenzini, L. Martorini, E. Mingozzi, G. Stea, "A methodology for deriving per-flow end-to-end delay bounds in sink-tree DiffServ domains with FIFO multiplexing", Proceedings of ISCIS'04, Antalya (TK), October 27-29, 2004, LNCS 3280/2004, pp. 604-614.
  64. L. Lenzini, B. Meini, E. Mingozzi, G. Stea, "An M/G/1 Queueing System with Multiple Vacation to Assess the Performance of a Simplified Deficit Round Robin Model", Proceedings of Performance TOOLS 2003, Urbana, Illinois, USA, September 2-5, 2003, LNCS 2794/2003, pp. 134-151.
  65. L. Lenzini, E. Mingozzi, G. Stea, "Delay Bounds for FIFO Aggregates: a Case Study", Proceedings of the 4th COST263 International Workshop on Quality of Future Internet Services (QoFIS '03), Stockholm, Sweden, October 1-3, 2003 LNCS 2811/2003, pp. 31-40.
  66. L. Lenzini, E. Mingozzi, G. Stea, "Aliquem: a Novel DRR Implementation to Achieve Better Latency and Fairness at O(1) Complexity", Proceedings of the 10th IEEE International Workshop on Quality of Service (IWQoS 2002), Miami Beach, USA,  May 15-17, 2002, pp. 77-86.

Invited Papers

  1. M. Andreozzi, F. Conboy, G. Stea, R. Zippo, "Heterogeneous systems modelling with Adaptive Traffic Profiles and its application to worst-case analysis of a DRAM controller", Proc. of IEEE COMPSAC 2020, Madrid, ES, 17 July 2020, DOI 10.1109/COMPSAC48688.2020.00020
  2. C. Cicconetti, L. Lenzini, E. Mingozzi, G. Stea, "WTTP: A Scheduling Algorithm for Supporting QoS in IEEE 802.11e", Proceedings of European Wireless 2005, Cyprus, April 2005, pp. 231-239

Other Conference Papers (national conferences/posters/extended abstracts etc.)

  1. P. Ducange, F. Marcelloni, D. Micheli, G. Nardini, A. Renda, D. Sabella, G. Stea, A. Virdis, "Trustworthy AI for Next Generation Networks: the Fed-XAI innovative paradigm from the Hexa-X EU Flagship Project", ITAL-IA 2023 workshop, Pisa, 29-30 May 2023.
  2. N. Iardella, G. Nardini, G. Stea, A. Virdis, F. Mauro, D. Sabella, M. Caretti, G.M. Dell’Aera, “Coordinated scheduling in a Virtual-RAN prototype with OpenAirInterface”, poster, proceedings of EUCNC 2016, Athens, 27-30 June 2016
  3. A. Virdis, G. Stea, D. Sabella, M. Caretti "A practical framework for energy-efficient node activation in heterogeneous LTE networks", 5th InfQ Workshop, Turin, Italy, October 2014, Italian workshop without proceedings
  4. A. Virdis, G. Stea, "System-level analysis of the tradeoffs between power saving and capacity/QoS with DRX in LTE", 4th InfQ Workshop, Sorrento, Italy, June 2013, Italian workshop without proceedings
  5. M.G.C.A. Cimino, G. Lettieri, G. Stea, "Using Web-CAT to improve the teaching of programming to large university classes", Didamatica 2013, Pisa, 7-9 May 2013, Italian conference
  6. G. Accongiagioco, M. M. Andreozzi, D. Migliorini, G. Stea, "Throughput-optimal Resource Allocation in LTE-Advanced with Distributed Antennas", 3rd InfQ Workshop, Lucca, Italy, July 2012, Italian workshop without proceedings, paper selected for journal extension
  7. P. Cappanera, L. Lenzini, A. Lori, G. Stea, G. Vaglini, “Optimal joint routing and link scheduling for real-time traffic in TDMA Wireless Mesh Networks”, 2nd InfQ Workshop, Lipari, Italy, June 27-29, 2011, Italian workshop without proceedings, paper selected for journal extension
  8. L. Bisti, L. Lenzini, E. Mingozzi, G. Stea, “Numerical analysis of worst-case end-to-end delay bounds in FIFO tandem networks”, 2nd InfQ Workshop, Lipari, Italy, June 27-29, 2011, Italian workshop without proceedings, paper selected for journal extension
  9. M. Andreozzi, G. Stea, "Supporting real-time traffic in the uplink of LTE networks", 1st InfQ Workshop, Pisa, Italy, July 7-9 2010, Italian workshop without proceedings
  10. M. Andreozzi, D. Migliorini, G. Stea, C. Vallati, "ns2voip++, an enhanced module for VoIP simulations", poster, Proceedings of SIMUTools 2010, Torremolinos (Malaga), SP, 14-19 March 2010
  11. C. Cicconetti, L. Lenzini, E. Mingozzi, G. Stea, “A scheduling algorithm for providing real-time QoS guarantees in 802.11e WLANs” BroadNets 2005 Wireless Networking Symposium, Boston, MA, September 2005, pp. 836-838, extended abstract.

Book Chapters

  1. 1. M. Cacciola, A. Frangioni, L. Galli, G. Stea, “A Lagrangian approach to Chance Constrained Routing with Local Broadcast”, in: Gentile, Claudio, Stecca, Giuseppe, Ventura, Paolo (Eds.), Graphs and Combinatorial Optimization: from Theory to Applications, AIRO Springer Series, ISBN 978-3-030-63071-3, March 2021
  2. A. Virdis, G. Nardini, G. Stea "Cellular-Networks Simulation Using SimuLTE", in Recent Advances in Network Simulation, Springer, Cham, pp. 183-214, May 2019
  3. G. Nardini, G. Stea, A. Virdis, "Geofenced broadcasts via centralized scheduling of device-to-device communications in LTE-Advanced", Springer Communications in Computer and Information Science (CCIS), vol. 825, ISBN 978-3-319-91631-6, DOI 10.1007/978-3-319-91632-3_1 2018
  4. A. Virdis, G. Stea, G. Nardini, "Simulating LTE/LTE-Advanced Networks with SimuLTE", DOI 10.1007/978-3-319-26470-7_5, in: Obaidat, M.S., Kacprzyk, J., Ören, T., Filipe, J., (eds.) "Simulation and Modeling Methodologies, Technologies and Applications", Volume 402 of the series Advances in Intelligent Systems and Computing, pp. 83-105, Springer, ISBN 978-3-319-26469-1, 15 January 2016
  5. A. Bouillard, G. Stea, "Worst-case analysis of tandem queueing systems using Network Calculus", in D. Bruneo, S. Distefano "Quantitative Assessments of Distributed Systems", Book Series on Performability Engineering, John Wiley and Sons, U.S.A., ISBN 9781118595213, DOI: 10.1002/9781119131151.ch6, April 2015.
  6. Chapter 3 "Traffic Engineering" (with L. Lenzini and E. Mingozzi) and Chapter 6 "The EuQoS System" (with E. Mingozzi and other co-authors) in T. Braun, M. Diaz, J. Enríquez Gabeiras, T. Staub "End-to-End Quality of Service Over Heterogeneous Networks",
    • Springer, ISBN 978-3-540-79119-5, August 2008
    • PHEI (China), ISBN 978-7-121-10170-0, February 2010

Technical Reports - Preprints

  1. R. Zippo, P. Nikolaus, G. Stea, "Extending the Network Calculus Algorithmic Toolbox for Ultimately Pseudo-Periodic Functions: Pseudo-Inverse and Composition", arxiv 2205.12139, 2022
  2. R. Zippo, G. Stea, "Nancy: an efficient parallel Network Calculus library", arxiv 2205.11449, 2022
  3. A. Noferi, G. Nardini, G. Stea, A. Virdis, "Rapid prototyping and performance evaluation of MEC-based applications", arXiv:2203.13511, 2022
  4. R. Zippo, G. Stea, "Computationally efficient worst-case analysis of flow-controlled networks with Network Calculus", arXiv:2203.02497, 2022
  5. M. Andreozzi, A. Frangioni, L. Galli, G. Stea, R. Zippo, "A MILP Approach to DRAM Access Worst-Case Analysis", Optimization Online, April 2021
  6. A. Virdis, G. Stea, D. Sabella, M. Caretti, "A distributed power-saving framework for LTE HetNets exploiting Almost Blank Subframes", University of Pisa, Italy, March 2017
  7. A. Frangioni, L. Galli, G. Stea, "Delay-constrained Routing Problems: Accurate Scheduling Models and Admission Control", University of Pisa, Italy, December 2015
  8. A. Frangioni, L. Galli, G. Stea, "QoS Routing with worst-case delay constraints: models, algorithms and performance analysis", University of Pisa, Italy, December 2015
  9. L. Bisti, L. Lenzini, E. Mingozzi, G. Stea, "Computation and Tightness Assessment of Worst-case Delay Bounds in FIFO-multiplexing Tandems", University of Pisa, Italy, May 2010
  10. L. Lenzini, E. Mingozzi, G. Stea, "Full Exploitation of the Deficit Round Robin Capabilities by Efficient Implementation and Parameter Tuning", University of Pisa, Italy, October 2003
  11. L. Lenzini, E. Mingozzi, G. Stea, "Fluid-Flow Analysis of the Packet Timed Token Service Discipline", University of Pisa, December 2001

Software

  1. Nancy, a scalable and parallel open-source C# library for (min,+) and (max,+) algebra operations
  2. Simu5G, an open-source modular 5G New Radio simulator based on OMNET++
  3. SimuLTE, an open-source modular LTE/LTE-A simulator based on OMNET++
  4. DEBORAH (DElay BOund Rating AlgoritHm), an open-source tool to compute delay bounds in FIFO tandems through Network Calculus.

Patents

Granted patents

  1. M. Andreozzi, M. Campbell, G. Stea, R. Zippo, “Method, system and device for electronic interconnect delay bound determination”, priority date 2020-02-13, granted as:
  2. M. Caretti, G. Nardini, D. Sabella, G. Stea, A. Virdis, "Method and System for data tunneling in device to device communications assisted by a telecommunication network", priority date 2016-05-13, granted as:
  3. M. Campbell, M. Andreozzi, L. Biagini, G. Stea, M. Ankit, “Methods and apparatus for issuing memory access commands”, priority date 2019-10-29, granted as:
  4. M. Caretti, G. Nardini, D. Sabella, G. Stea, A. Virdis, "Method and System for loss mitigation during device to device communication mode switching", priority date 2016-05-13, granted as:
  5. M. Caretti, G. Nardini, A. Rossali, D. Sabella, G. Stea, A. Virdis, "Resource allocation system and method adapted to implement device-to-device communications in wireless communication networks”, priority date 2014-05-08, granted as:
  6. M. Caretti, D. Sabella, G. Stea, A. Virdis, "Method for managing data transmission power in mobile cellular networks", priority date 2014-12-11, granted as:
  7. M. Caretti, D. Sabella, G. Stea, A. Virdis, "Method for Power Consumption Optimization in Mobile Cellular Networks", priority date 2014-02-28, granted as:
  8. M. Caretti, G. Nardini, D. Sabella, G. Stea, A. Virdis, "Method for scheduling radio resources", priority date 2013-05-09, granted as:
  9. G. Accongiagioco, M. M. Andreozzi, M. Caretti, R. Fantini, D. Migliorini, D. Sabella, G. Stea, "Scheduling Algorithm for Wireless Communication Networks", priority date 2011-12-29, granted as:
  10. M. Andreozzi, D. Migliorini, V. Pii, G. Stea, D. Sabella, M. Caretti, R. Fantini, "Link Scheduling Algorithm for OFDMA Wireless Networks with Relay Nodes", priority date 2011-03-03, granted as:
  11. M. Andreozzi, D. Migliorini, G. Pagano, G. Stea, D. Sabella, M. Caretti, R. Fantini, "LTE Scheduling", priority date 2011-03-03, granted as:
  12. M. Andreozzi, M. Caretti, D. Franceschini, R. Rossi, D. Sabella, G. Stea, "Method and system for handling queues in communication networks, corresponding computer program product", priority date 2010-04-06, granted as:
  13. D. Sabella, M. Caretti, M. Andreozzi, G. Stea, "A method of scheduling transmission in a communication network, corresponding communication node and computer program product", Priority date 2009-12-24, granted as:
  14. M. Andreozzi, A. Bacioccola, D. Franceschini, E. Pulieri, R. Rossi, G. Stea, "A Scheduling Method and System for Communication", (a.k.a. "Scheduling method and system for communication networks; corresponding devices, network and computer program product", "Client/server adaptation scheme for communications traffic"), priority date 2007-12-21, granted as:
  15. L. Lenzini, E. Mingozzi, M. Sassi, E. Scarrone, G. Stea, V. Vercellone, "Method and System for Scheduling Synchronous and Asynchronous data Packets over the Same Network", (a.k.a. “Method and system for scheduling utilization of resources, related communication network and computer program product”),  priority date 2004-04-26, granted as:
  16. L. Lenzini, E. Mingozzi, E. Scarrone, G. Stea, "Scheduling a Shared Resource among Synchronous and Asynchronous Packet Flows", priority date 2002-04-12, granted as:
  17. L. Lenzini, E. Mingozzi, E. Scarrone, G. Stea, "Procedure and System for Scheduling a Shared Resource between Multiple Information Packet Flows", priority date 2000-10-23, granted as:

Submitted/published patent applications

  1. M. Filippou, G. Nardini, D. Sabella, G. Stea, A. Virdis, L. Gomes-Baltar "Edge computing technologies for transport layer congestion control and point-of-presence optimization based on extended in-advance Quality of Service notifications", priority date 2020-09-25, published as: WO2021067140 (A1) (2021-04-08)
  2. M. Caretti, G. Nardini, D. Sabella, G. Stea, A. Virdis, "Messages Broadcasting Exploiting Device to Device Transmission", priority date 2017-01-16, published as: WO2018130508 (A1) (2018-07-19)

Research Projects

  1. 2021-24: QoS in ARM systems. Funded by ARM (Cambridge, UK).
  2. 2021-23: Hexa-X - A flagship for B5G/6G vision and intelligent fabric of technology enablers connecting human, physical, and digital worlds. Funded by the EU under call H2020-ICT-2018-20.
  3. 2019-20: MEC performance evaluations and Developers engagement. Funded by Intel GmbH (Munich, DE).
  4. 2018-21: QoS in Interconnect Systems. Funded by ARM (Cambridge, UK).
  5. 2017-20: Nonlinear and Combinatorial Aspects of Complex Networks. Funded by the Italian Ministry of Education, University and Research (MIUR) under the PRIN 2015 grant.
  6. 2016: MISTIC: MultIdomain Sdn Trial for Iot and hpC. Funded by Telecom Italia within competitive call JOLnet 2015.
  7. 2016-17: SAPIENT: Satcom and terrestrial architectures improving performance, security and safety in ATM. Funded by the EU under call H2020-SESAR-2015-1.
  8. 2015: Study of algorithms and innovative solutions for QoS and energy efficiency management in evolved mobile systems (LTE/LTE-Advanced towards 5G), funded by Telecom Italia Lab (Turin, Italy).
  9. 2015-17: Flex5Gware - Flexible and efficient hardware/software platforms for 5G network elements and devices, Funded by the EU under call H2020-ICT-2014-2.
  10. 2014: Definition of satellite network and related protocols, funded by Thales Alenia Space (Rome, Italy).
  11. 2014: Study of algorithms and innovative solutions for QoS and energy efficiency in evolved mobile systems towards 5G, funded by Telecom Italia Lab (Turin, Italy).
  12. 2014-17: Mixed-Integer Nonlinear Optimization: Approaches and Applications. Funded by the Italian Ministry of Education, University and Research (MIUR) under the PRIN 2012 framework.
  13. 2013: Study of algorithms and innovative solutions for QoS and energy efficiency in evolved mobile systems (LTE/LTE-A), funded by Telecom Italia Lab (Turin, Italy).
  14. 2012-14: SINCRO (Intelligent System for Responsible Consumption of Electrical Energy); funded by the Tuscany Region Council.
  15. 2011-14: Study of models, algorithms and applications for structured non-linear integer optimization.  Funded by the Italian Ministry of Education, University and Research (MIUR) under the PRIN 2009 framework.
  16. 2011-12: Study of packet scheduling and resource allocation algorithm for QoS and energy efficiency in evolved mobile systems, funded by Telecom Italia Lab (Turin, Italy).
  17. 2010-11: Study of scheduling and channel allocation algorithms LTE and LTE Advanced, funded by Telecom Italia Lab (Turin, Italy).
  18. 2009-10: Study of scheduling and channel allocation algorithms for evolved mobile systems (HSPA, WiMAX, LTE), funded by Telecom Italia Lab (Turin, Italy).
  19. 2007-09: NADIR: Design and Performance Evaluation of Distributed Algorithms and Protocols for Mesh Networks with Quality of Service. Funded by the Italian Ministry of Education, University and Research (MIUR) under the PRIN 2006 framework.
  20. 2006-08: Definition of models for the performance evaluation of LTE systems. Funded by Telecom Italia Lab (Turin, Italy).
  21. 2004-07: EuQoS: End-to-end Quality of Service support over heterogeneous networks. IST-2-004503-IP Funded by the European Union 6-th Framework Program.
  22. 2004-06: QuaSAR: Quality and Controllability of Communication Services over Heterogeneous Networks. Funded by the Italian Ministry of Education, University and Research (MIUR) under the PRIN 2004 framework.
  23. 2004-07: Simulation models for HSPA in complex scenarios. Funded by Telecom Italia Lab (Turin, Italy).
  24. 2003-06: QoS in Wireline and Wireless Networks. Funded by Telecom Italia Lab (Turin, Italy).
  25. 2002-06: PERF: Performance Evaluation of Complex Systems: Techniques, Methodologies and Tools. Funded by the Italian Ministry of Education, University and Research (MIUR) under the FIRB framework.
  26. 2001-03: Web Systems with QoS Guarantees. Funded by the Italian Ministry of Education, University and Research (MIUR) under the PRIN 2001 framework.
  27. 2000-02: WINE GLASS - Wireless IP NEtwork as a Generic platform for Location Aware Service Support. IST-1999-10699 Funded by the European Union 5-th Framework Program.

Invited Lectures and Talks

  1. Februrary 2021, DATE 2021 (Grenoble, FR). Invited talk: "Supporting System Design with Formal Performance Analysis".
  2. 26 November 2019, ARM High-performance Real-time Workshop - 1st edition (Cambridge, UK). Invited talk: “Worst-case analysis of embedded computing systems through Network Calculus”.
  3. 15 April 2019, CLEEN 2019, 7th International Workshop on Cloud Computing and Energy Efficiency in Mobile Communication Networks (Marrakech, Morocco): keynote speech su “Reliable real-time broadcasts in scheduled networks with device-to-device communications”
  4. 15 May 2017, ARM architecture and technology group (ATG) conference (Cambridge, UK). Invited keynote: "QoS fundamentals and Optimal rate allocation for Real-Time Traffic"
  5. 10 July 2012, RTN 2012, Pisa (Italy): Keynote speech at RTN about "Performance Evaluation of Real-time Traffic in Aggregate-scheduling networks"
  6. 21 December 2011, Telecom Italia Lab, Turin (Italy), invited talk: “Resource allocation in LTE-Advanced cellular networks”
  7. 7 December, 2010, N2C day, ENS Lyon (France): tutorial on Network Calculus
  8. 8 July 2010, 1st InfQ workshop, Pisa (Italy): invited talk "Worst-case analysis of timed systems using Network Calculus"
  9. 28 January 2010, INRIA Sophia Antipolis (France): "Packet scheduling in IP networks"
  10. 28 October 2009, IMT Lucca (Italy): "Network Calculus: a worst-case theory for QoS guarantees in packet networks" (slides).
  11. 28 August 2009, CAIA lab at Swinburne University of Technology (Melbourne, Australia): "Using Network Calculus to aid QoS Provisioning".
  12. 19 August 2009, CUBIN lab at Melbourne University (Melbourne, Australia): "Performance Evaluation of Real-time Traffic in Aggregate-scheduling Networks".
  13. 17 August 2009, La Trobe University (Melbourne, Australia): "Performance Evaluation of Real-time Traffic in Aggregate-scheduling Networks".
  14. 14 August 2009, Royal Melbourne Institute of Technology (Melbourne, Australia): "Interdomain Path Computation for PCE-assisted Traffic Engineering".

Service to the Scientific Community

Membership of scientific societies

Giovanni Stea is a member of European Alliance for Innovation (EAI) since its creation. In December 2018 he was nominated EAI fellow.

Associate Editorships

Guest Editorships

Edited Proceedings

Technical/Organization Roles in International Conferences and Workshops

Steering Committee Membership

  • VALUETOOLS - International Conference on Performance Evaluation Methodologies and Tools (from 2010)

Organization roles

  • Melecon 2020, Palermo, Italy, 17-20 June 2020: chair of track "Industry 4.0"
  • Organizer of 5-day Dagstuhl seminar "Analysis, Design, and Control of Predictable Interconnected Systems", March 3-8, 2019
  • InfQ 2014, yearly workshop of the Italian Group on Quantitative Methods in Informatics, Turin, Italy, Oct. 6 2014: program co-chair
  • WCTT, International Workshop on Worst-case Traversal Time,
    • 2012, Puerto Rico, US, Dec. 6th 2012, (Co-Chair)
    • 2011, Vienna, Austria, Nov. 29th 2011, (Co-Chair)
  • ISoLA 2010, Co-organizer of a special track on "Worst-case Traversal Time"
  • European Wireless Conference
    • 2010 Lucca, Italy, April 12-15, 2010, organizer of an invited session on "Performance Evaluation of Wireless Networks"
    • 2002 Florence, Italy, February 26-28 2002, (Local Organization Chair)
  • ACM SIGCOMM 2006 Pisa, Italy, September 11-15 2006, (Local Organization Chair)
  • SIMUTOOLS - International Conference on Simulation Tools and Techniques
    • 2010, Malaga, Spain, March 15-19 2010, (General Chair)
    • 2009, Rome, Italy, March 2-6 2009, (TPC Chair)
  • VALUTEOOLS - International Conference on Performance Evaluation Methodologies and Tools
    • 2009 Pisa, Italy, October 20-22 2009, (General Chair)
    • 2006 Pisa, Italy, October 11-13 2006, (Publicity Chair)
  • QoSim 2008, 1st International Workshop on the Evaluation of Quality of Service through Simulation in the Future Internet, Marseille (FR), March 3, 2008, (Co-Chair).

TPC membership

  • TCB6GN21, 1st International Workshop on Traffic Congestion in Beyond 5G/6G Networks, January 2021, Las Vegas, US
  • ITC 32 – International Teletraffic Congress, Osaka (JP), 22- 24 September 2020
  • ISCC 2020, 25th IEEE Symposium on Computers and Communications, Rennes, France, 7-10 July 2020
  • EUCnC, European Conference on Communications and Networks
    • EuCNC & 6G Summit, Grenoble, (FR), 7-10 June 2022
    • EuCNC & 6G Summit, Porto, (PG), 8-11 June 2021
    • Dubrovnik, (HR), 15-18 June 2020
  • ERTS2, European congress on Embedded Real-time Software and Systems, Toulouse (FR), Jan 29-31, 2020
    • 2022, Toulouse (FR), 1-2 February 2022
    • 2020, Toulouse (FR), Jan 29-31, 2020
  • MobileEdgeCom 2019, International Workshop on New and Disruptive Technologies and Applications for Mobile Edge/Fog Computing, Waikoloa, HI, USA, December 9-13, 2019
  • IEEE VTC, IEEE Vehicular Technology Conference
    • Fall 2021, online, September 2021
    • Spring 2021, Helsinki, Finland, 25-28 April 2021
    • Fall 2020, Victoria, British Columbia, Canada, 4-7 October 2020
    • Spring 2019, Kuala Lumpur, Malaysia, 28 April - 1 May 2019
  • IEEE MENACOMM'19, 2nd IEEE Middle East & North Africa COMMunications Conference, 3-5 December 2019
  • WCNC - IEEE Wireless Communications and Networking Conference
    • 2022, Austin, US, April 10-13, 2022
    • 2021, Nanjing, China, March 29 - April 1, 2021
    • 2019, Marrakech, Morocco, 15-18 April 2019
  • ANT-2019, The 10th International Conference on Ambient Systems, Networks and Technologies, Leuven (BE), April 29 - May 2, 2019
  • IEEE Consumer Communications & Networking Conference (CCNC)
    • 2023, Las Vegas, USA, 8-11 January 2023
    • 2022, Las Vegas, USA, 8-11 January 2022
    • 2021, Las Vegas, USA, January 2021
    • 2020, Las Vegas, USA, 10-13 January 2020
    • 2019, Las Vegas, USA, 11-14 January 2019
  • 2018 International Workshop on Network Calculus and Applications (NetCal 2018), Vienna, 7 September 2018
  • SCS'18 - Smart Cities Symposium, 22-23 April 2018, Bahrain
  • MobiApps 2018, The 5th International Workshop on Mobile Applications, Barcelona, Spain, 6-8 August 2018
  • International Conference on Ad Hoc Networks and Wireless (AdHoc-Now)
    • 2020, Bari, Italy, 19-21 October 2020
    • 2019, Luxemburg, October 2019
    • 2018, St. Malo, France, September 2018
    • 2017, 20-22 September 2017, Messina, Italy
  • IEEE BlackSeaComm
    • 2019, Sochi, Russia, 3-6 June 2019
    • 2018, Batumi, Georgia, 4-7 June 2018
    • 2017, Istanbul, Turkey, June 5-8, 2017
    • 2016, Varna, Bulgaria, June 5-7, 2016
    • 2015, Constanta, Romania, May 18-21, 2015
  • Winter Simulation Conference 2014, Savannah, Georgia (US), Dec 7-10, 2014
  • ApWiMob 2014, Asia Pacific Conference on Wireless and Mobile, Bali, Indonesia, 28-30 August 2014
  • ISCAIE 2014 - IEEE Symposium on Computer Applications and Industrial Electronics
  • CLEEN: International Workshop on Cloud Technologies and Energy Efficiency in Mobile Communication Networks
    • 2020, in conjunction with ICC 2020, Dublin, Ireland, 7 June 2020
    • 2019, in conjunction with WCNC 2019, Marrakech, Morocco, 15 April 2019
    • 2018, in conjunction with VTC 2018 Spring, Porto, Portugal, 3 June 2018
    • 2017, Turin, Italy 21 June 2017
    • 2016, in conjunction with CROWNCOM, 31 May 2016, Grenoble, France
    • 2014: In conjunction with WCNC 2014, April 6, 2014 Istanbul, Turkey
    • 2013: In conjunction with VTC 2013 fall, 2-5 September 2013, Las Vegas, USA
  • ISWTA 2013, 2013 IEEE Symposium on Wireless Technology & Applications, Kuching, Malaysia, 22-25 September, 2013
  • AICA Didamatica 2013, Italian conference on Technologies and Methods for the Didactics of the Future, Pisa (Italy), May 7-9, 2013
  • ISCI 2013, IEEE Symposium on Computers and Informatics, Langkawi (Malaysia), April 7-9, 2013
  • WoWMoM 2013, IEEE International Symposium on a World of Wireless Mobile and Multimedia Networks, Madrid, Spain, June 4-7, 2013
  • Workshop on Network Calculus (WoNeCa-2012), Kaiserslautern, Germany, March 21st, 2012
  • PIMRC, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications
    • 2023, Toronto, CA, 5-8 September 2023
    • 2022, virtual, 12-15 September 2022
    • 2021, Helsinki, FI, 13-16 September 2021
    • 2020, London, UK, 31 August-3 September 2020
    • 2019, Istanbul, TK, 8-11 September 2019
    • 2018, Bologna, IT, 9-12 September 2018
    • 2017, Montreal, CA, 8-13 October 2017
    • 2016, Valencia, ES, 5-7 September 2016
    • 2013, London, UK, 8-11 September 2013
    • 2011, Toronto, CA, 14-22 September 2011
    • 2008, Cannes, FR, September 2008
  • InfQ, Annual Workshop of the Italian Group of Quantitative Methods in Informatics
    • 2017, Venice, Italy, December 4, 2017
    • 2016, Taormina, Italy, October 25, 2016
    • 2013, Sorrento, Italy, June 13-14, 2013
    • 2012, Lucca, Italy, July 5-6, 2012
    • 2011, Lipari, Italy, June 27-29, 2011
  • DCNET, International Conference on Data Communication Networking
    • 2020, Paris, FR, July 8-10, 2020
    • 2019, Prague, CZ, July 26-28, 2019
    • 2018, Porto, PT, July 29-31, 2018
    • 2017, Madrid, SP, July 26-28, 2017
    • 2016, Lisbon, PT, July 26-28, 2016
    • 2015, Colmar, FR, July 20-22, 2015
  • Simultech, International Conference on Simulation and Modeling Methodologies, Technologies and Applications
    • 2020, Paris, FR, 8-10 July 2020
    • 2019, Prague, CZ, July 29-31 2019
    • 2018, Porto, PT, July 29-31, 2018
    • 2017, Madrid, SP, July 29-31, 2017
    • 2016, Lisbon, PT, July 29-31, 2016
    • 2015, Colmar, FR, July 21-23, 2015
    • 2014, Vienna, AT, September 2-4, 2014
    • 2013, Reykjavik, IS, July 29-31, 2013
    • 2012, Rome, IT, July 29-31, 2012
    • 2011, Noordwijkerhout, NL, July 29-31, 2011
  • WNS-3
    • 2018, Mangalore, India, June 13-14, 2018
    • 2015, Barcelona, Spain, May 13, 2015
    • 2014, Atlanta, US, May 7, 2014
    • 2013, Nice, France, March 5, 2013
    • 2012, Sirmione, Italy, March 23, 2012
    • 2011, Barcelona, Spain, March 25, 2011
  • SCENES2010, San Francisco, US, November 8 2010
  • EPEW2010, Bertinoro, Italy, September 23-24, 2010
  • ACM SIGCOMM 2009 Barcelona, Spain, August 17-21 2009
  • European Wireless Conference
    • 2007 Paris, France, April 1-4, 2007
    • 2006 Athens, Greece, April 2-5, 2006
    • 2005 Nicosia, Cyprus, April 11-15 2005
    • 2002 Florence, Italy, February 26-28 2002
  • SIMUTOOLS - International Conference on Simulation Tools and Techniques
    • 2016, Prague, Czech Republic, August 22-24, 2016
    • 2015, Athens, Greece, August 24-26, 2015
    • 2014, Lisbon, Portugal
    • 2013, Nice, France, March 5-7, 2013
    • 2012, Sirmione, Italy, March 19-23, 2012
    • 2011, Barcelona, Spain, March 21-25, 2011
  • VALUETOOLS - International Conference on Performance Evaluation Methodologies and Tools
    • 2007 Nantes, France, October 23-25 2007
    • 2006 Pisa, Italy, October 11-13 2006
  • WNS2 2008, Athens, Greece, October 24, 2008
  • QoSim 2008, 1st International Workshop on the Evaluation of Quality of Service through Simulation in the Future Internet, Marseille (FR), March 3, 2008, (Co-Chair).
  • NSTools Worskshop 2007, Nantes, France, October 22, 2007
  • ICNS - International Conference on Networking and Services
    • 2008 Gosier, Guadeloupe, March 16-21, 2008
    • 2007 Athens, Greece, June 19-25, 2007
    • 2006 Silicon Valley, USA, July 2006
  • CSNGN 2005 - Convergent Services and Next Generation Networks, Tahiti, French Polynesia, October 23-28, 2005
  • MPQSI 2005 - Multi-Provider QoS/SLA Internetworking, Tahiti, French Polynesia, October 23-28, 2005

Giovanni Stea is a regular reviewer for the major networking and performance evaluation journals (ACM TECS, IEEE/ACM TNET, IEEE TC, IEEE TPDS, IEEE TCOM, IEEE TMC, Elsevier PEVA, Elsevier COMNETS, Elsevier COMCOM, Springer Wireless Networks, Springer Real-Time Systems, etc.).

Supervising

Advised PhD students

  • Edoardo Loni (2023-)
  • Ali Pashazadeh (2022-)
  • Samaneh Poostforoushan (2022-)
  • Nasim Ali Shaikh (2022-)
  • Md Amirul Islam (2021-)
  • Raffaele Zippo (2019-22, thesis successfully defended on June 28, 2023)
  • Niccolo' Iardella (2015-18, thesis successfully defended on April 12, 2019)
  • Giovanni Nardini (2013-16, thesis successfully defended on January 16, 2017)
  • Antonio Virdis (2012-14, thesis successfully defended on June 1, 2015)
  • Matteo Maria Andreozzi (2009-11, thesis successfully defended on May 24, 2012)
  • Daniele Migliorini (2009-11, thesis successfully defended on May 24, 2012)
  • Andrea Bacioccola (2007-09, thesis successfully defended on June 3, 2010)

Visiting PhD students

  • Hoang Alexandre Tran Nguyen (ENAC, France, 2019)
  • Hakjeon Bang (GIST, South Korea, 2013)
  • Jorge Navarro Ortiz (University of Granada, Spain, 2009)

Scientific supervision of research fellows

  • Raffaele Zippo (post-doc grant, 2023-)
  • Giovanni Nardini (post-doc grant, 2016-2019)
  • Antonio Virdis (post-doc grant, 2015-2018)
  • Alessandro Noferi (2021)
  • Niccolo' Iardella (2015)
  • Alessandro Donati (2014)
  • Andrea Rossali (2014)

PhD Defense Panels

  • Ngoc Lam Dinh (CEA-LETI, France), March 2023
  • Farnam Khalili Maybody (University of Florence, Italy), May 2021
  • Gabriele Cecchetti (Scuola Superiore Sant'Anna, Pisa, Italy), November 2012
  • Laurent Johuet (ENS Lyon, France), November 2012
  • Euriell Le Corronc (University of Angers, France), November 2011
  • Anna Lina Ruscelli (Scuola Superiore Sant'Anna, Pisa, Italy), January 2011
  • Jorge Navarro Ortiz (University of Granada, Spain), July 2010
  • Ben Lauwens (Royal Military Academy, Brussels, Belgium), October 2009

Giovanni Stea has been advisor or co-advisor of 32 Laurea Specialistica/Magistrale (postgraduate) theses, 13 of which received academic laude. He has been advisor or co-advisor of 71 Laurea theses, 14 of which received academic laude.
Giovanni Stea is/has been a member of the Board of the following PhD Schools:

  • PhD School in Information Engineering, University of Pisa (2022-)
  • PhD School in Smart Computing of the University of Florence (2015-)
  • PhD School in Informatics, Systems and Telecommunications Engineering of the University of Florence (2011-2015)

 

Teaching

Curricular courses of the School of Engineering of the University of Pisa

  • Current:
    • (2006-) Logic Circuits, 2nd year, BSc in Computer Engineering
    • (2011-) Performance Evaluation of Computer Systems and Networks, 1st year, MSc in Computer Engineering
  • Past:
    • Architecture of Internet IV (2004-2012), Master degree in Internet Technologies  
    • Programming (2009, 2010), 2nd year of Laurea degree in Computer Systems Engineering
    • Fundamentals of Computer Graphics (2004 to 2008), 1st year of Laurea Specialistica degree in Construction Engineering and Architecture
    • Computer Networks (4 years, from 2002 to 2007), 1st year of Laurea Specialistica degree in Computer Systems Engineering
    • Advanced Networking Architectures (2 years, from 2004 to 2006), 2nd year of Laurea Specialistica degree in Computer Systems Engineering
    • Fundamentals of Programming (2 years, 2001 to 2002), 1st year of Laurea degree in Computer Systems Engineering

Available (MSc and BSc) theses

Link to the teaching page (in Italian)

PhD courses

  • “Network Calculus for Deterministic Performance Analysis”, May 2019, PhD program in Smart Computing, University of Florence
  • “Simulation theory and practice”, (with Antonio Virdis), April 2016, PhD program in Smart Computing, University of Florence

Curricular courses in other universities

University of Granada (Spain): 10-hour lecture on packet scheduling and traffic engineering, Master degree in Tecnologia Multimedia

  • January 23-24, 2012
  • February 1-3, 2011
  • February 2-4, 2010

Service and Administration

  • Vice-president of the Computer Engineering study programmes (2017-2023)
  • Rector's delegate for international university rankings (2017-2020)
  • Member of the Board of Directors of the University of Pisa (two terms, 2010-12, 2012-15)
    • member of the University Commission for Staff Planning (2010-15)
    • member of the University Commission for Research and Internationalization (2012-15)
    • member of the University Commission for Buildings and Plants (2010-12)
    • member of the University Commission for Libraries, Museums and Cultural Initiatives (2010-12)
  • Member of the Board of Directors of the Pisa University Press publishing house (2012-2015)
  • Member of the Advisory Board for the Master in Internet Technologies (2009-13)
  • Member of the exam commission for the Italian Licensure of Professional Engineers (2010-11)