Fidel Liberal

According to our database, Fidel Liberal authored at least 89 papers between 2003 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Analysis of Mission Critical Services Radio Access Network Capacity Limitations Over 5G.

Adrian Santiago, Andoni Diaz De Cerio, Aitor Sanchoyerto, Fidel Liberal

IEEE Access, 2024

2020

Virtual Network Function Placement Optimization With Deep Reinforcement Learning.

Ruben Solozabal, Josu Ceberio, Aitor Sanchoyerto, Luis Zabala, Bego Blanco, Fidel Liberal

IEEE J. Sel. Areas Commun., 2020

2019

Impact of Front-Haul Delays in Non-ideal Cloud Radio Access Networks.

Alberto Carreras Mesa, Isabel M. Delgado-Luque, Francisco Javier Martin-Vega, Mari Carmen Aguayo Torres, Gerardo Gómez, José Tomás Entrambasaguas Muñoz, Eneko Atxutegi, Ruben Solozabal, Bego Blanco, Jose Oscar Fajardo, Fidel Liberal

Wirel. Pers. Commun., 2019

A Cloud-Enabled Small Cell Architecture in 5G Networks for Broadcast/Multicast Services.

Michail-Alexandros Kourtis, Begoña Blanco, Jordi Pérez-Romero, Dimitris Makris, Michael J. McGrath, George Xilouris, Daniele Munaretto, Ruben Solozabal, Aitor Sanchoyerto, Ioannis Giannoulakis, Emmanouil Kafetzakis, Vincenzo Riccobene, Elisa Jimeno, Anastasios Kourtis, Ramon Ferrús, Fidel Liberal, Harilaos Koumaras, Alexandros Kostopoulos, Ioannis P. Chochliouros

IEEE Trans. Broadcast., 2019

End-to-middle-to-end solution for IMS media plane security.

Jose Oscar Fajardo, Fidel Liberal, Fudong Li, Nathan L. Clarke, Is-Haka Mkwawa

Electron. Commer. Res., 2019

Analysis of the Impact of the Evolution Toward 5G Architectures on Mission Critical Push-to-Talk Services.

Aitor Sanchoyerto, Ruben Solozabal, Bego Blanco, Fidel Liberal

IEEE Access, 2019

Orchestration of Mission-Critical Services over an NFV Architecture.

Aitor Sanchoyerto, Ruben Solozabal, Bego Blanco, Elisa Jimeno, Endika Aldecoa, Estrella Basurto, Fidel Liberal

Proceedings of the Artificial Intelligence Applications and Innovations, 2019

Supporting Mission Critical Services through Radio Access Network Slicing.

Jordi Pérez-Romero, Irene Vilà, Oriol Sallent, Begoña Blanco, Aitor Sanchoyerto, Ruben Solozabal, Fidel Liberal

Proceedings of the 5th International Conference on Information and Communication Technologies for Disaster Management, 2019

2018

State of the Art and Research Challenges in the Area of Autonomous Control for a Reliable Internet of Services.

Rob van der Mei, Hans van den Berg, Ivan Ganchev, Kurt Tutschku, Philipp Leitner, Pasi E. Lassila, Wojciech Burakowski, Fidel Liberal, Åke Arvidsson, Tobias Hoßfeld, Katarzyna Wac, Hugh Melvin, Tihana Galinac Grbac, Yoram Haddad, Peter B. Key

Proceedings of the Autonomous Control for a Reliable Internet of Services, 2018

Energy vs. QoX Network- and Cloud Services Management.

Bego Blanco, Fidel Liberal, Pasi E. Lassila, Samuli Aalto, Javier Sainz, Marco Gribaudo, Barbara Pernici

Proceedings of the Autonomous Control for a Reliable Internet of Services, 2018

TCP Performance over Current Cellular Access: A Comprehensive Analysis.

Eneko Atxutegi, Åke Arvidsson, Fidel Liberal, Karl-Johan Grinnemo, Anna Brunström

Proceedings of the Autonomous Control for a Reliable Internet of Services, 2018

On the Use of TCP BBR in Cellular Networks.

Eneko Atxutegi, Fidel Liberal, Habtegebreil Kassaye Haile, Karl-Johan Grinnemo, Anna Brunström, Åke Arvidsson

IEEE Commun. Mag., 2018

Exploitation of Mobile Edge Computing in 5G Distributed Mission-Critical Push-to-Talk Service Deployment.

Ruben Solozabal, Aitor Sanchoyerto, Eneko Atxutegi, Bego Blanco, Jose Oscar Fajardo, Fidel Liberal

IEEE Access, 2018

Impact of TCP BBR on CUBIC Traffic: A Mixed Workload Evaluation.

Per Hurtig, Habtegebreil Haile, Karl-Johan Grinnemo, Anna Brunström, Eneko Atxutegi, Fidel Liberal, Åke Arvidsson

Proceedings of the 30th International Teletraffic Congress, 2018

Use Cases for 5G Networks Using Small Cells.

Alexandros Kostopoulos, Ioannis P. Chochliouros, Daniele Munaretto, Claudio Meani, Claus Keuker, Elisenda Temprado Garriga, Javier Fernandez Hidalgo, Miguel Catalan-Cid, Hicham Khalife, Fidel Liberal

Proceedings of the Artificial Intelligence Applications and Innovations, 2018

2017

Service Mapping and Orchestration Over Multi-Tenant Cloud-Enabled RAN.

Pouria Sayyad Khodashenas, Bego Blanco, Michail-Alexandros Kourtis, Ianire Taboada, George Xilouris, Ioannis Giannoulakis, Elisa Jimeno, Irena Trajkovska, Jose Oscar Fajardo, Emmanouil Kafetzakis, Javier Garcia Lloreda, Fidel Liberal, Alan Whitehead, Mick Wilson, Harilaos Koumaras

IEEE Trans. Netw. Serv. Manag., 2017

An index rule proposal for scheduling in mobile broadband networks with limited channel feedback.

Ianire Taboada, Fidel Liberal, Jose Oscar Fajardo, Bego Blanco

Perform. Evaluation, 2017

QoE-Oriented Mobile Edge Service Management Leveraging SDN and NFV.

Shuping Peng, Jose Oscar Fajardo, Pouria Sayyad Khodashenas, Begoña Blanco, Fidel Liberal, Cristina Ruiz, Charles Turyagyenda, Mick Wilson, Sunil Vadgama

Mob. Inf. Syst., 2017

A Robust Optimization Based Energy-Aware Virtual Network Function Placement Proposal for Small Cell 5G Networks with Mobile Edge Computing Capabilities.

Bego Blanco, Ianire Taboada, Jose Oscar Fajardo, Fidel Liberal

Mob. Inf. Syst., 2017

An NFV-Based Video Quality Assessment Method over 5G Small Cell Networks.

Michail-Alexandros Kourtis, Harilaos Koumaras, George Xilouris, Fidel Liberal

IEEE Multim., 2017

Delay- and energy-aware load balancing in ultra-dense heterogeneous 5G networks.

Ianire Taboada, Samuli Aalto, Pasi E. Lassila, Fidel Liberal

Trans. Emerg. Telecommun. Technol., 2017

Technology pillars in the architecture of future 5G mobile networks: NFV, MEC and SDN.

Bego Blanco, Jose Oscar Fajardo, Ioannis Giannoulakis, Emmanouil Kafetzakis, Shuping Peng, Jordi Pérez-Romero, Irena Trajkovska, Pouria Sayyad Khodashenas, Leonardo Goratti, Michele Paolino, Evangelos Sfakianakis, Fidel Liberal, George Xilouris

Comput. Stand. Interfaces, 2017

European NG112 Crossroads: Toward a New Emergency Communications Framework.

Fidel Liberal, Jose Oscar Fajardo, Cristina Lumbreras, Wolfgang Kampichler

IEEE Commun. Mag., 2017

Experimental suitability evaluation of standardized QoS measurements over mobile broadband networks.

Eneko Atxutegi, Jose Oscar Fajardo, Eva Ibarrola, Fidel Liberal

Proceedings of the International Conference on Performance Evaluation and Modeling in Wired and Wireless Networks, 2017

On the move with TCP in current and future mobile networks.

Eneko Atxutegi, Karl-Johan Grinnemo, Andoni Izurza, Åke Arvidsson, Fidel Liberal, Anna Brunström

Proceedings of the 8th International Conference on the Network of the Future, 2017

Design of Virtual Infrastructure Manager with Novel VNF Placement Features for Edge Clouds in 5G.

Ruben Solozabal, Bego Blanco, Jose Oscar Fajardo, Ianire Taboada, Fidel Liberal, Elisa Jimeno, Javier Garcia Lloreda

Proceedings of the Engineering Applications of Neural Networks, 2017

Exploiting NFV techniques towards future VQA methods.

Michail-Alexandros Kourtis, Fidel Liberal, Harilaos Koumaras, George Xilouris, Eleni Trouva

Proceedings of the 22nd IEEE International Workshop on Computer Aided Modeling and Design of Communication Links and Networks, 2017

2016

Introducing Mobile Edge Computing Capabilities through Distributed 5G Cloud Enabled Small Cells.

Jose Oscar Fajardo, Fidel Liberal, Ioannis Giannoulakis, Emmanouil Kafetzakis, Vincenzo Pii, Irena Trajkovska, Thomas Michael Bohnert, Leonardo Goratti, Roberto Riggio, Javier Garcia Lloreda, Pouria Sayyad Khodashenas, Michele Paolino, Pavel Bliznakov, Jordi Pérez-Romero, Claudio Meani, Ioannis P. Chochliouros, Maria Belesioti

Mob. Networks Appl., 2016

Reduced-reference video quality assessment using a static video pattern.

Michail-Alexandros Kourtis, Harilaos Koumaras, Fidel Liberal

J. Electronic Imaging, 2016

Toward standardized internet speed measurements for end users: current technical constraints.

Eneko Atxutegi, Fidel Liberal, Eduardo Saiz, Eva Ibarrola

IEEE Commun. Mag., 2016

TCP behaviour in LTE: Impact of flow start-up and mobility.

Eneko Atxutegi, Fidel Liberal, Karl-Johan Grinnemo, Anna Brunström, Åke Arvidsson, Remi Robert

Proceedings of the 9th IFIP Wireless and Mobile Networking Conference, 2016

Assessing Internet performance over mobile networks: From theory to practice.

Eneko Atxutegi, Jose Oscar Fajardo, Eva Ibarrola, Fidel Liberal

Proceedings of the 2016 ITU Kaleidoscope: ICTs for a Sustainable World, 2016

Design of Cognitive Cycles in 5G Networks.

Bego Blanco, Jose Oscar Fajardo, Fidel Liberal

Proceedings of the Artificial Intelligence Applications and Innovations, 2016

Behaviour of Common TCP Variants over LTE.

Remi Robert, Eneko Atxutegi, Åke Arvidsson, Fidel Liberal, Anna Brunström, Karl-Johan Grinnemo

Proceedings of the 2016 IEEE Global Communications Conference, 2016

Service provisioning and pricing methods in a multi-tenant cloud enabled RAN.

Pouria Sayyad Khodashenas, Cristina Ruiz, Jordi Ferrer Riera, Jose Oscar Fajardo, Ianire Taboada, Bego Blanco, Fidel Liberal, Javier Garcia Lloreda, Jordi Pérez-Romero, Oriol Sallent, Ioannis Neokosmidis, Theodoros Rokkas

Proceedings of the 2016 IEEE Conference on Standards for Communications and Networking, 2016

2015

Improving content delivery efficiency through multi-layer mobile edge adaptation.

Jose Oscar Fajardo, Ianire Taboada, Fidel Liberal

IEEE Netw., 2015

Reliability of Bluetooth-based connectivity traces for the characterization of human interaction.

José María Cabero, Iñigo Urteaga, Virginia Molina, Fidel Liberal, José Luis Martín

Ad Hoc Networks, 2015

Analysis of CQI Traces from LTE MIMO Deployments and Impact on Classical Schedulers.

Jose Oscar Fajardo, Ianire Taboada, Fidel Liberal

Proceedings of the Wired/Wireless Internet Communications - 13th International Conference, 2015

Enhancing VNF performance by exploiting SR-IOV and DPDK packet processing acceleration.

Michail-Alexandros Kourtis, Georgios Xilouris, Vincenzo Riccobene, Michael J. McGrath, Giuseppe Petralia, Harilaos Koumaras, Georgios Gardikis, Fidel Liberal

Proceedings of the IEEE Conference on Network Function Virtualization and Software Defined Networks, 2015

Radio-Aware Service-Level Scheduling to Minimize Downlink Traffic Delay Through Mobile Edge Computing.

Jose Oscar Fajardo, Ianire Taboada, Fidel Liberal

Proceedings of the Mobile Networks and Management - 7th International Conference, 2015

A unified framework of internet access speed measurements.

Eduardo Saiz, Eva Ibarrola, Eneko Atxutegi, Fidel Liberal

Proceedings of the 2015 ITU Kaleidoscope: Trust in the Information Society, 2015

Why we still need standardized internet speed measurement mechanisms for end users.

Eneko Atxutegi, Fidel Liberal, Eduardo Saiz, Eva Ibarrola

Proceedings of the 2015 ITU Kaleidoscope: Trust in the Information Society, 2015

2014

A lightweight network state estimation mechanism in ARQ-based wireless networks.

Fidel Liberal, Ianire Taboada, Jose Oscar Fajardo

Telecommun. Syst., 2014

An opportunistic and non-anticipating size-aware scheduling proposal for mean holding cost minimization in time-varying channels.

Ianire Taboada, Fidel Liberal, Peter Jacko

Perform. Evaluation, 2014

QoE-driven and network-aware adaptation capabilities in mobile multimedia applications.

Jose Oscar Fajardo, Ianire Taboada, Fidel Liberal

Multim. Tools Appl., 2014

Acquisition of human traces with Bluetooth technology: Challenges and proposals.

José María Cabero, Virginia Molina, Iñigo Urteaga, Fidel Liberal, José Luis Martín

Ad Hoc Networks, 2014

An IMS-based interoperable architecture for emergency services.

Fidel Liberal, Jose Oscar Fajardo, Mikel Ramos, Harilaos Koumaras, Christos Sakkas, Michail-Alexandros Kourtis

Proceedings of the International Conference on Telecommunications and Multimedia, 2014

Opportunistic scheduling of flows with general size distribution in wireless time-varying channels.

Ianire Taboada, Peter Jacko, U. Ayestaa, Fidel Liberal

Proceedings of the 2014 26th International Teletraffic Congress (ITC), 2014

Global standards, the key enablers for deploying next generation emergency communications networks.

Fidel Liberal, Jose Oscar Fajardo, Naiara Goia, Ioanna Mesogiti

Proceedings of the 2014 ITU Kaleidoscope Academic Conference: Living in a converged world, 2014

Autonomous adaptation strategies for multiuser multimedia transmissions in the LTE uplink: Energy and network performance driven clients for emergency professionals.

Jose Oscar Fajardo, Fidel Liberal, Is-Haka Mkwawa, Lingfen Sun

Proceedings of the IEEE International Conference on Communications, 2014

Performance-driven evaluation for deploying IMS-based interoperability scenarios.

Jose Oscar Fajardo, Fidel Liberal, Fudong Li, Nathan L. Clarke, Is-Haka Mkwawa, Lingfen Sun

Proceedings of the IEEE International Conference on Communications, 2014

2013

Application of Cognitive Techniques to Adaptive Routing for VANETs in City Environments.

Bego Blanco, Fidel Liberal, Amaia Aguirregoitia Martínez

Mob. Networks Appl., 2013

Dealing with Energy-QoE Trade-Offs in Mobile Video.

Fidel Liberal, Ianire Taboada, Jose Oscar Fajardo

J. Comput. Networks Commun., 2013

QoE-aware optimization of multimedia flow scheduling.

Ianire Taboada, Fidel Liberal, Jose Oscar Fajardo, Urtzi Ayesta

Comput. Commun., 2013

Suitability of ad hoc routing in WNR: Performance evaluation and case studies.

Bego Blanco, Fidel Liberal, Ianire Taboada

Ad Hoc Networks, 2013

CC4IMS: A mobile-based open-source call center for IMS.

Harilaos Koumaras, Christos Sakkas, Michail-Alexandros Kourtis, Jose Oscar Fajardo, Fidel Liberal

Proceedings of the 24th IEEE Annual International Symposium on Personal, 2013

2012

Quality of experience issues in multimedia provision.

Harilaos Koumaras, Fidel Liberal, Lingfen Sun

Telecommun. Syst., 2012

Performance Analysis of Scheduling Algorithms for Web QoE Optimization in Wireless Networks.

Ianire Taboada, Jose Oscar Fajardo, Fidel Liberal

Netw. Protoc. Algorithms, 2012

Cross-layer cross-domain adaptation of mobile video services.

Jose Oscar Fajardo, Ianire Taboada, Fidel Liberal

EAI Endorsed Trans. Mob. Commun. Appl., 2012

Size-based and channel-aware scheduling algorithm proposal for mean delay optimization in wireless networks.

Ianire Taboada, Jose Oscar Fajardo, Fidel Liberal, Bego Blanco

Proceedings of IEEE International Conference on Communications, 2012

Glocal adaptive routing intelligence for self-organizing ad hoc networks.

Bego Blanco, Fidel Liberal, Amaia Aguirregoitia Martínez

Proceedings of the 17th IEEE International Workshop on Computer Aided Modeling and Design of Communication Links and Networks, 2012

2011

Internet QoS regulation in future networks: a user-centric approach.

Eva Ibarrola, Jin Xiao, Fidel Liberal, Armando Ferro

IEEE Commun. Mag., 2011

Impact of end devices on subjective video quality assessment for QCIF video sequences.

Asiya Khan, Lingfen Sun, Jose Oscar Fajardo, Ianire Taboada, Fidel Liberal, Emmanuel C. Ifeachor

Proceedings of the Third International Workshop on Quality of Multimedia Experience, 2011

Delay Modeling for 3G Mobile Multimedia Services QoE Estimation.

Ianire Taboada, Fidel Liberal, Jose Oscar Fajardo

Proceedings of the Mobile Lightweight Wireless Systems, 2011

Cross-Layer Adaptation of H.264/AVC over 3G UMTS Mobile Video Services.

Jose Oscar Fajardo, Ianire Taboada, Fidel Liberal, Armando Ferro

Proceedings of the Mobile Lightweight Wireless Systems, 2011

QoE and energy-awareness for multi-layer video broadcasting.

Ianire Taboada, Jose Oscar Fajardo, Fidel Liberal

Proceedings of the 2011 IEEE International Conference on Multimedia and Expo, 2011

2010

Video Quality Prediction Models Based on Video Content Dynamics for H.264 Video over UMTS Networks.

Asiya Khan, Lingfen Sun, Emmanuel C. Ifeachor, Jose Oscar Fajardo, Fidel Liberal, Harilaos Koumaras

Int. J. Digit. Multim. Broadcast., 2010

QoE in multi-service multi-agent networks.

Fidel Liberal, Armando Ferro, Harilaos Koumaras, Anastasios Kourtis, Lingfen Sun, Emmanuel C. Ifeachor

Int. J. Commun. Networks Distributed Syst., 2010

QoE-driven dynamic management proposals for 3G VoIP services.

Jose Oscar Fajardo, Fidel Liberal, Is-Haka Mkwawa, Lingfen Sun, Harilaos Koumaras

Comput. Commun., 2010

Quality of service management for ISPs: A model and implementation methodology based on the ITU-T recommendation E.802 framework.

Eva Ibarrola, Fidel Liberal, Armando Ferro, Jin Xiao

IEEE Commun. Mag., 2010

A user-centric approach to QoS regulation in future networks.

Eva Ibarrola, Jin Xiao, Fidel Liberal, Armando Ferro

Proceedings of the 2010 ITU-Kaleidoscope: Beyond the Internet?, 2010

Impact of RLC losses on quality prediction for H.264 video over UMTS networks.

Asiya Khan, Lingfen Sun, Emmanuel C. Ifeachor, Jose Oscar Fajardo, Fidel Liberal

Proceedings of the 2010 IEEE International Conference on Multimedia and Expo, 2010

Video Quality Prediction Model for H.264 Video over UMTS Networks and Their Application in Mobile Video Streaming.

Asiya Khan, Lingfen Sun, Emmanuel C. Ifeachor, Jose Oscar Fajardo, Fidel Liberal

Proceedings of IEEE International Conference on Communications, 2010

2009

QoS-oriented Admission Control in HSDPA networks.

Gutavo Florido, Fidel Liberal, Jose Oscar Fajardo

Netw. Protoc. Algorithms, 2009

PQoS-driven VoIP service adaptation in UMTS networks.

Nagore Bilbao, Jose Oscar Fajardo, Fidel Liberal

Proceedings of the 2nd International Conference on Simulation Tools and Techniques for Communications, 2009

Quality of service management for ISP: A model and implementation methodology based on ITU-T Rec. E.802 framework.

Eva Ibarrola, Jin Xiao, Fidel Liberal, Armando Ferro

Proceedings of the ITU Kaleidoscope 2009: Innovations for Digital Inclusions, Mar del Plata, Argentina, August 31, 2009

Web QoE Evaluation in Multi-agent Networks: Validation of ITU-T G.1030.

Eva Ibarrola, Fidel Liberal, Ianire Taboada, Rodrigo Ortega

Proceedings of the Fifth International Conference on Autonomic and Autonomous Systems, 2009

Study of the Impact of UMTS Best Effort Parameters on QoE of VoIP Services.

Jose Oscar Fajardo, Fidel Liberal, Nagore Bilbao

Proceedings of the Fifth International Conference on Autonomic and Autonomous Systems, 2009

QoE and *-awareness in the Future Internet.

Fidel Liberal, Jose Oscar Fajardo, Harilaos Koumaras

Proceedings of the Towards the Future Internet - A European Research Perspective, 2009

Impact of the video slice size on the visual quality for H.264 over 3G UMTS services.

Jose Oscar Fajardo, Fidel Liberal, Nagore Bilbao

Proceedings of the 6th International ICST Conference on Broadband Communications, 2009

2007

Ksensor: Multithreaded kernel-level probe for passive QoS monitoring.

Alejandro Muñoz, Armando Ferro, Fidel Liberal, Javier López

Proceedings of the 13th International Conference on Parallel and Distributed Systems, 2007

2006

An analytical model for loss estimation in network traffic analysis systems.

Armando Ferro, Igor Delgado, Alejandro Muñoz, Fidel Liberal

J. Comput. Syst. Sci., 2006

What Quality Means for Internet Users: A Guide to Selecting your ISP.

Fidel Liberal, Armando Ferro, Jose Oscar Fajardo

Proceedings of the 2006 International Conference on Networking and Services (ICNS 2006), 2006

2005

An Analytical Model for Performance Evaluation of Network Traffic Analysis Systems.

Armando Ferro, Igor Delgado, Alejandro Muñoz, Fidel Liberal

Proceedings of the 11th International Conference on Parallel and Distributed Systems, 2005

A multiprocessor architecture for passive analysis of network traffic focusing on complex QoS strategies.

Armando Ferro, Igor Delgado, Alejandro Muñoz, Fidel Liberal

Proceedings of IEEE International Conference on Communications, 2005

Application of General Perception-Based QoS Model to Find Providers' Responsibilities. Case Study: User Perceived Web Service Performance..

Fidel Liberal, Armando Ferro, José Luis Jodrá, Jose Oscar Fajardo

Proceedings of the Joint International Conference on Autonomic and Autonomous Systems 2005 / International Conference on Networking and Services 2005, 2005

2004

Network Traffic Sensor for Multiprocessor Architectures: Design Improvement Proposals.

Armando Ferro, Fidel Liberal, Alejandro Muñoz, Cristina Perfecto

Proceedings of the First International Workshop, 2004

Internet Quality of Service Measurement Tool for Both Users and Providers.

Armando Ferro, Fidel Liberal, Eva Ibarrola, Alejandro Muñoz, Cristina Perfecto

Proceedings of the Telecommunications and Networking, 2004

2003

PKIX-based certification infrastructure implementation adapted to non-personal end entities.

Eduardo Jacob, Fidel Liberal, Juanjo Unzilla

Future Gener. Comput. Syst., 2003