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J. A.
                                Hernández

 

José Alberto Hernández
Associate Professor

Telephone: (+34) 91-624-8459
Fax:
E-mail: jahgutie (at) it...
Address: Universidad Carlos III de Madrid. Avda de la Universidad, 30
E-28911 Leganés (Madrid) Spain
Visits: Escuela Politécnica Superior · Building Torres Quevedo ·
Office 4.1.A16


 SHORT BIO


José Alberto Hernández completed the five-year degree in Telecommunications Engineering at Universidad Carlos III de Madrid (Madrid, Spain) in 2002, and the Ph.D. degree in Computer Science at Loughborough University (Leics, United Kingdom) in 2005. Between 2005 and 2009, he was a postdoctoral researcher and teaching assistant at Universidad Autónoma de Madrid, where he participated in a number of both National and European research projects concerning the modeling and performance evaluation of communication networks, optical WDM networks and energy efficiency in computer communications.

At present, José Alberto Hernández is a Senior Lecturer at Universidad Carlos III de Madrid, he has published more than 80 scientific articles in well-known journals and conference proceedings, including IEEE Network, IEEE Communications Magazine, IEEE J. Selected Areas in Communications, IEEE Internet Computing, etc. He has also participated in many National and European research projects related with his main research interestes, namely Optical WDM Networks, IP over WDM, Metro Ethernet, Next-Generation Optical Access networks, Energy Efficiency in communications and Optical Transport of 5G networks.

In addition, Dr. Hernández has published the book: "Probabilistic models for computer networks: tools and solved problems" and is preparing a new version of book "Una introducción amable a la teoría de colas" (in Spanish), both with Pablo Serrano.


 TEACHING
Current teaching activities:


 RESEARCH INTERESTS AND PROJECTS
Member of the ADSCOM research group at the Dept. Telematics Engineering since 2009.

Dr. Hernández currently teaches the following courses at UC3M:
- Performance evaluation of networks, from a probabilistic point of view, including Poisson processes, Markov Chains, and Queuing theory.
- Network complexity analysis, focused on graph theory and optimisation techniques
- Optical networks, focused on optical access, metro and core networks, IP over WDM, OTN, Metro Ethernet, GMPLS, etc.

In addition, his research interest lay in the areas where mathematical modelling and Information and Telecommunication Technologies overlap. This includes:
- Optical WDM networks; IP over WDM; Optical Burst Switching
- Next-generation optical access networks: XG-PON, WDM-PON, NG-PON2
- Metro Ethernet, SDH and OTN
- Energy efficiency in Telecommunication Networks
- Converged optical-wireless networks, 5G, CPRI over Ethernet

Dr. Hernández's research is also involved in Big Data Analytics, including Machine Learning, NoSQL databases and the Map-Reduce programming approach for efficient processing and parallelisation of large database mining.


Ongoing projects:
Past projects:
  • BONE
  • MyUI
  • INDECT
  • ePhoton/ONE+
 PUBLICATIONS

    Some recent publications:

  1. J. A. Hernández, R. Sánchez, D. Larrabeiti: Oversubscription dimensioning of Next-Generation PONs with different service levels, IEEE Communications Letters, vol. 20, no. 7, pp. 1341-1344 (July, 2016).
  2. R Sánchez, J. A. Hernández, D. Larrabeiti: Network planning for dual residential-business exploitation of Next-Generation Passive Optical Networks to provide 1 Gb/s symmetrical services, IEEE/OSA J. Optical Communications and Networking, vol. 8, no. 4, pp. 249-262 (April, 2016).
  3. R Sánchez, J. A. Hernández, J. Moltalvo-García, D. Larrabeiti: Provisioning 1 Gb/s symmetrical services with Next-Generation Passive Optical Networks, IEEE Communications Magazine, vol. 54, no. 2, pp. 72-77 (Feb, 2016).
  4. A. de la Oliva, J. A. Hernández, D. Larrabeiti, A. Azcorra: An overview of the CPRI specification and its application to C-RAN based LTE scenarios, IEEE Communications Magazine, vol. 54, no. 2, pp. 152-159 (Feb. 2016).
  5. G. Rodríguez de los Santos, P. Reviriego, J. A. Hernández: Packet Coalescing Strategies for Energy Efficient High-Speed Communications over Plastic Optical Fibers, IEEE/OSA J. Optical Communications and Networking, vol. 7, no. 4, pp. 253-263 (April, 2015)
  6. R. Sánchez, J. A. Hernández, D. Larrabeiti: Troubleshooting PON networks effectively with Carrier-grade Ethernet and WDM-PON, IEEE Communications Magazine, vol. 52, no. 2, pp. S7-S13 (Feb. 2014).
  7. M. I. Sánchez, M. Urueña, A. de la Oliva, J. A. Hernández, C. J. Bernardos: On providing mobility management in WOBANs: Integration with PMIPv6 and MIH, IEEE Communications Magazine, vol. 51. no. 10, pp. 172-181 (Oct, 2013)
  8. G. Rodríguez de los Santos, M. Urueña, A. Muñoz, J. A. Hernández: Buffer design under bursty traffic with applications in FCoE Storage Area Networks, IEEE Comms. Letters, vol. 17, no. 2, pp. 413-416 (Feb, 2013)
  9. P. Reviriego, B. Huiszoon, V. López, R. Coenen, J. A. Hernández, J. A. Maestro: Improving energy efficiency in IEEE 802.3ba high-rate Ethernet optical links, IEEE J. Selected Topics in Quantum Electronics, vol. 17, no. 2, pp. 419-427 (Feb, 2011)
  10. G. Rodríguez de los Santos, M. Urueña, J. A. Hernández, D. Larrabeiti: On Providing Metro Ethernet Services over Transparent WDM Optical Rings, IEEE Network, vol. 25, no. 1, pp. 14 - 19 (January, 2011)
  11. V. López, J. A. Hernández, Ó. González de Dios, J. P. Fernández-Palacios, J. Aracil: Multi-layer traffic engineering of IP over WDM networks based on Bayesian decision theory, IEEE/OSA J. Optical Communications and Networking, vol. 2, no. 8, pp. 515-529 (July, 2010)
  12. P. Reviriego, J. A. Hernández, D. Larrabeiti, J. A. Maestro: Burst transmission in Energy Efficient Ethernet. IEEE Internet Computing, vol. 14, no. 4, pp.30-37 (July, 2010)
  13. P. Reviriego, J. A. Hernández, D. Larrabeiti, J. A. Maestro: Performance evaluation of Energy Efficient Ethernet. IEEE Comms. Letters, vol. 13, no. 9, pp. 697-699 (September, 2009)
  14. J. A. Hernández, P. Reviriego, J. L. García-Dorado, V. López, D. Larrabeiti, J. Aracil: Performance evaluation and design of Polymorphous OBS networks with guaranteed TDM services. IEEE/OSA J. Lightwave Technology, vol. 27, no. 13, pp. 2495-2505 (July, 2009).
  15. B. Huiszoon, J. A. Hernández, H. de Waardt, G. D. Khoe, J. Aracil, A. M. J. Koonen: Performance evaluation of an optical transparent access tier based on PON and spectral codes. IEEE J. Selected Areas in Communications, vol. 27, no. 2, pp. 143-155 (Feb, 2009)
  16. J. L. García-Dorado, J. A. Hernández, J. Aracil, J. E. López de Vergara, F. Monserrat, E. Robles, T. de Miguel: On the duration and spatial characteristics of Internet traffic measurement experiments. IEEE Comms. Magazine, vol. 46, no. 11, pp. 148-155 (Nov, 2008)
  17. J. A. Hernández, J. Aracil, L. de Pedro, P. Reviriego: Analysis of blocking probability of data bursts with continuous-time variable offsets in single wavelength OBS switches. IEEE/OSA J. Lightwave Technology, vol. 26, no. 12, pp. 1559-1568 (June, 2008).
  18. J. A. Hernández, I. W. Phillips, J. Aracil: Discrete-time heavy-tailed chains, and their properties in modeling network traffic. ACM Trans. Modeling and Computer Simulation, vol. 17, no. 4, article no. 17, 11 pages (Sept 2007)

For a full list of my publications, see my CV below.

 CV
Full CV (English)
Contact me on:
View José Alberto Hernández's profile on LinkedIn

or ResearchGate, GoogleScholar and ORCID
 USEFUL LINKS


J. A. Hernández, P. Serrano: Probabilistic models for computer networks: tools and solved problems, 2013 (ISBN: 978-1291546873) (Lulu.com, Amazon.es)

Probabilistic models for computer networks: Tools
                  and solved problems
Probabilistic models for computer networks: Tools and solved problems overviews the main probabilistic tools and theory used in the performance analysis and modelling of modern computer networks and communication systems.
With over one hundred examples and solved problems, the reader will be introduced to Poisson processes, Markov chains and queueing theory in an intuitive manner. Important theorems and tools are followed by easy network-based examples, showing the reader their applicability in real scenarios.
This book is highly recommended for students in their final years of a degree in engineering, and for Ph.D. students willing to strengthen their skills in the evaluation of network performance.


spanish spanish version
Last update: March 2016

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