Profesor del Área de Telecomunicaciones

Centro Universitario de la Defensa

Academia General Militar

Carretera de Huesca, s/n

50090 Zaragoza, Spain

e-mail: jortin@unizar.es

Phone: +34976739803

Research lines

• Radio resource management in wireless distributed networks
• Channel coding in wireless systems

Research papers

• J. Ortín, J. R. Gállego, M. Canales, Joint cell selection and resource allocation games with backhaul constraints, Elsevier Pervasive and Mobile Computing, vol. 35, pp. 125-145, 2017
• J. Ortin, C. Donato, P. Serrano, A. Banchs, Resource-on-Demand Schemes in 802.11 WLANs With Non-Zero Start-Up Times, IEEE Journal on Selected Areas in Communications, vol. 34, no. 12, pp. 3221 - 3233, 2016
• C. Delgado. J. R. Gallego, M. Canales; J. Ortin, S. Bousnina, M. Cesana, On optimal resource allocation in virtual sensor networks, Elsevier Ad Hoc Networks, vol 50, pp. 23-40, November 2016
• J. Ortin, C. Donato, P. Serrano, Optimal configuration of a resource-on-demand 802.11 WLAN with non-zero start-up times, Elsevier Computer Communications, vol. 96, pp. 99 - 108, 2016
• A. Banchs, J. Ortin, A. Garcia-Saavedra, D.J. Leith, P. Serrano, Thwarting Selfish Behavior in 802.11 WLANs, IEEE Transactions on Networking, vol. 24, no. 1, pp. 492 - 505, 2016
• J. Ortin, P. Garcia, F. Gutierrez, A. Valdovinos, An efficiently implementable maximum likelihood decoding algorithm for tailbiting codes, Annals of Telecommunications, vol. 69, no. 9-10, pp. 529-537, October 2014
• J. Ortín, J. R. Gállego, M. Canales, Joint route selection and resource allocation in multihop wireless networks based on a game theoretic approach, Elsevier Ad Hoc Networks, vol 11, no. 8,pp. 2203-2216, November 2013
• J. R. Gállego, M. Canales, J. Ortín, Distributed resource allocation in cognitive radio networks with a game learning approach to improve aggregate system capacity, Elsevier Ad Hoc Networks, vol. 10, no. 6, pp. 1076-1089, August 2012
• M. Canales, J. Ortín, J. R. Gállego, Game Theoretic Approach for End-to-End Resource Allocation in Multihop Cognitive Radio Network, IEEE Communications Letters, vol. 16, no. 5, pp. 654-657, May 2012
• J. Ortin, P. Garcia, F. Gutierrez, A. Valdovinos, A* Based Algorithm for Reduced Complexity ML Decoding of Tailbiting Codes, IEEE Communications Letters, vol. 14, no. 9, pp. 854-856, September 2010
• J. Ortin, P. Garcia, F. Gutierrez, A. Valdovinos, Channel Independent Precoder for OFDM-Based Systems Over Fading Channels, IEEE Transactions on Broadcasting, vol. 55, no. 4, pp. 818-825, December 2009
• J. Ortin, P. Garcia, F. Gutierrez, A. Valdovinos, Performance Analysis of Turbo Decoding Algorithms in Wireless OFDM Systems, IEEE Transactions on Consumer Electronics, vol. 55, no. 3, pp. 1149-1154, August 2009
• J. Ortin, P. Garcia, F. Gutierrez, A. Valdovinos, Two Step SOVA-based Decoding Algorithm for Tailbiting Codes, IEEE Communications Letters, vol. 13, no. 7, pp 510–512, July 2009

Participation in R+D projects

• Gestión de recursos y provisión de calidad de servicio en redes virtuales de sensores, Ministerio de Economia y Competitividad, (2015-2017)
• Wi-5: What to do With the Wi-Fi Wild West, H2020 project (2015-17)
• iJOIN: Internetworking and Joint Design of an Open Access and Backhaul Network Architecture for Small Cells base on Cloud Networks, FP7 project (2012-15)
• Sistemas móviles avanzados de banda ancha. Gestión de recursos radio en redes heterogéneas de infraestructura celular y redes mesh distribuidas, CICYT (2012-14)
• Técnicas de predistorsión digital y síntesis de impedancias para transmisores de sistemas inalámbricos de banda ancha, CICYT (2009-12)
• EUWB: Coexisting Short Range Radio by Advanced Ultra-Wideband Radio Technology, FP7 project (2008-10)
• Técnicas eficientes de transmisión multiportadora para el soporte de servicios inalámbricos multimedia de banda ancha, Diputación General de Aragón (2008-10)
• TelMAX: Sistema de Comunicaciones Móviles Profesionales de Banda Ancha, Proyecto CENIT del Ministerio de Industria, Turismo y Comercio (2007-10)

Conference activity

• C. Delgado,  M. Canales, J. Ortín, J. R. Gállego, A. Redondi, S. Bousnina, M. Cesana, Energy-aware Dynamic Resource Allocation in Virtual Sensor Networks,  14th Annual IEEE Consumer Communications & Networking Conference (CCNC 2017), January 2017
• C. Delgado, J. R. Gállego, M. Canales, J. Ortín, S. Bousnina, M. Cesana, An Optimization Framework for Resource Allocation in Virtual Sensor Networks,  IEEE Global Communications Conference (GLOBECOM'15), December 2015
• J. Ortin, P. Serrano, D. Donato, On the Impact of Start-Up Times on Resource-on-Demand Schemes in 802.11 WLANs, Conference on Sustainable Internet and ICT for sustainability (SustainIT'15), Madrid (Spain), April 2015
• SIRENA: Sistemas Resilientes No-tripulados y Autónomos, Equipos multi-robot adaptables a entornos hostiles, Congreso Nacional de I+D en Defensa y Seguridad (DESEi+d'14), Zaragoza (Spain), November 2014
• C.J. Bernardos, A. De Domenico, J. Ortin, P. Rost, D. Wübben. Challenges of Designing Jointly the Back-haul and Radio Access Network in a Cloud-based Mobile Network, Future Network and Mobile Submit 2013 (FUNEMS’13), Lisbon (Portugal), July 2013
• J. R. Gállego, M. Canales, J. Ortín, Flow allocation with joint channel and power assignment in multihop cognitive radio networks using game theory, 9th International Symposium on Wireless Communication Systems 2012 (ISWCS’12), Paris (France), August 2012
• J. Ortín, P. García, F. Gutiérrez, A. Valdovinos. Simplified Circular Viterbi Algorithm for Tailbiting Convolutional Codes, 2010 IEEE 74th Vehicular Technology Conference (VTC’11-Fall) San Francisco (USA), September 2011
• J. Ortín, P. García, F. Gutiérrez, A. Valdovinos. Decodificador de Máxima Verosimilitud para Códigos Convolucionales Tailbiting, XXV Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2010), Bilbao (Spain), September 2010
• J. Ortín, P. García, F. Gutiérrez, A. Valdovinos. Evaluation of a Reduced Complexity ML Decoding Algorithm for Tailbiting Codes on Wireless Systems. 2010 IEEE 72nd Vehicular Technology Conference (VTC’10-Fall), Ottawa (Canada), September 2010
• J. Ortín, P. García, F. Gutiérrez, A. Valdovinos. Improved SOVA-based Decoding Algorithm for Tailbiting Codes on Wireless Channels. IEEE International Symposium on Wireless Pervasive Computing (ISWPC’10), Modena (Italy), May 2010
• J. Ortín, P. García, F. Gutiérrez, A. Valdovinos. An Efficient Decoding Algorithm for Tailbiting Codes on Wireless Channels. 6th International Symposium on Wireless Communication Systems 2009 (ISWCS’09), Siena (Italy), September 2009
• J. Ortín, P. García, F. Gutiérrez, A. Valdovinos. Algoritmo para la decodificación de códigos convolucionales tailbiting basado en SOVA. XXIV Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2009), Santander (Spain), September 2009
• J. Ortín, P. García, F. Gutiérrez, A. Valdovinos. Precodificación independiente del canal para sistemas OFDM móviles y de radiodifusión. XXIV Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2009), Santander (Spain), September 2009
• J. Ortín, P. García, F. Gutiérrez, A. Valdovinos. A Joint Coding-Precoding Scheme for OFDM Systems over Fading Channels. 2009 IEEE 69th Vehicular Technology Conference, (VTC’09-Spring), Barcelona (España), April 2009

Previous positions

• 2012-13: Post-doc research grant, Telematics Engineering Department, Universidad Carlos III de Madrid
• 2008-12: Pre-doc research grant, Aragon Institute of Engineering Research (I3A), Universidad de Zaragoza
• 2006-08: Technical expert at the Comision del Mercado de las Comunicaciones