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Introduction
I am Associate Professor in the Castelldefels School of Telecomunications and Aerospace Engineering (EETAC). My area of interest is based on the real time high quality transmission and integration of media services, and the Future Internet. I am currently the AENOR CTN71 Chairman of the ISO SC6 Subcommittee "Telecommunications and information exchange between systems" and founder of Alteraid SL, focused on the internet of things and social networks in people's daily activity.
Current institution
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September 2001 - present
September 2000 - present
September 1996 - present
Publications
Publications (77)
This paper is dedicated to the vital role of Acceleration Services in fostering the digital transformation of Higher Education Institutions (HEIs). Institutional transformation is pivotal for promoting innovation, elevating research and teaching quality, fostering interdisciplinary collaboration, and enhancing the societal impact of HEIs. Through a...
In the digital era, European University Alliances like "Unite!" work to reshape tertiary education by bridging nine prominent universities to champion regional integration, technology transfer, and quality science and engineering education. This paper delineates the methodologies used to harmonize varied IT infrastructures visualizations and descri...
In today's rapidly evolving educational landscape, European universities are increasingly relying on digital technologies for collaboration and learning. European Universities, as transnational alliances, aim to reshape higher education by fostering academic exchange and innovation across borders. With over 40 alliances in existence, enhancing virt...
This paper introduces Teaching Management Patterns (TMP) as a descriptive and communicative framework for addressing challenges and decision-making processes related to IT infrastructure in the Unite! European university alliance. The aim is to support decision-making and consultation in utilizing the alliance's IT infrastructure effectively. TMP o...
Presentation at ED-Media 2024, Brussels (Belgium)
Developing decision support systems to help farmers and technicians achieve greater efficiency in weed management is one of the pillars of integrated weed management programs. Greater efficiency is achieved by applying a control measure when most seedlings have already emerged. Having a tool that indicates when this moment is would be of great help...
The European university alliance "Unite!" has embarked on a mission to bring together their higher education landscape. As part of this ambitious endeavour, the Erasmus+ Work Package 2, called “Community 2 Digital Campus” or "Cm.2" for short, was established to shape and implement a cutting-edge digital campus framework within the alliance. The pur...
Nine European technology universities constitute the Unite! Alliance, a network that creates a new model for a virtual and physical European inter-university campus through close cooperation, physical and virtual mobility of members, joint programmes, communities that support teaching innovation, and open and entrepreneurial innovation networks. Th...
Unite! (University Network for Innovation, Technology and Engineering) is a European university alliance of nine partners (Technical University of Darmstadt, Aalto University, Grenoble INP graduate school of engineering and management, University Grenoble Alpes, KTH Royal Institute of Technology, Politecnico Di Torino, Universidade de Lisboa, Unive...
The Unite! alliance's virtual campus is called the Metacampus. Its characteristics will be discussed in this session, with a focus on LTI technology in particular because it might be a technological answer to the needs of the Unite! community. However, scalability and security issues will also be taken into account.
Unite! (University Network for Innovation, Technology and Engineering) is a European university alliance of nine partners (Technical University of Darmstadt, Aalto University, Grenoble INP graduate school of engineering and management, University Grenoble Alpes, KTH Royal Institute of Technology, Politecnico Di Torino, Universidade de Lisboa, Unive...
Unite! (University Network for Innovation, Technology and Engineering) is a European university alliance of seven partners (Technical University of Darmstadt, Aalto University, Grenoble INP graduate school of engineering and management, University Grenoble Alpes, KTH Royal Institute of Technology, Politecnico Di Torino, Universidade de Lisboa and U...
Information and communications technology (ICT) engineers play a key part in our society's digitization process. To foster that role, the Castelldefels School of Telecommunications and Aerospace Engineering (EETAC) of UPC's Degree in Network Engineering currently includes a new competence termed digital awareness. This report demonstrates the initi...
This paper presents the results of a research study on the profile of the participants in a postgraduate lecturer training program (15 ECTS) based on competencies in a STEAM (Science, Technology, Engineering, Arts and Mathematics) University. The study research questions are: (1) "In which competences do the participants perceive a personal improve...
Unite! (University Network for Innovation, Technology and Engineering) is a European university alliance of seven partners (Technical University of Darmstadt, Aalto University, Grenoble INP graduate school of engineering and management, University Grenoble Alpes, KTH Royal Institute of Technology, Politecnico Di Torino, Universidade de Lisboa and U...
La presentación explica cómo las tecnologías de información son herramientas eficaces para responder a las necesidades de docencia e investigación. Se explica el caso concreto de la Universitat Politècnica de Catalunya y su catálogo de más de 90 servicios TIC que proporciona, y se explica en concreto el ejemplo del Metacampus de la alianza de unive...
In 2004, the Universitat Politècnica de Catalunya decided to change one of its critical and strategic information services: the online teaching support platform. An Open Source software, Moodle, was adopted and the previous proprietary software was abandoned. In 2020, the home confinement of the population due to the pandemic caused by COVID-19 has...
En la Universitat Politecnica de Catalunya, Moodle y GSuite deben convivir, y el uso de las herramientas por parte del profesorado así lo indica, por lo que es positiva alguna integración para mejorar esta convivencia. En la presentación se explican ejemplos de uso conjunto y posteriormente de posibles integraciones. En el uso compartido, se propon...
Experiencia de trabajo en equipo multidisciplinar para la creación de un proyecto de ingeniería en créditos optativos en la EETAC Resumen-Este trabajo presenta la experiencia de una asignatura de proyectos de ingeniería relativamente nueva; este año en su cuarta edición ya tenemos datos suficientes para extraer conclusiones sobre la consecución de...
Widely adopted by service providers to enable IP telephony, instant messaging, and other data services, SIP is the signaling protocol of choice for advanced multimedia communications signaling. Compiled by noted engineering experts Syed Ahson and Mohammad Ilyas, SIP Handbook: Services, Technologies, and Security of Session Initiation Protocol prese...
The Institute of Electrical and Electronics Engineers (IEEE) Communications Society designed the IEEE wireless communication engineering technologies (WCET) certification program to address the wireless industry’s growing need for communications professionals with practical problem-solving skills in real-world situations. Individuals who achieve th...
A disease that affects newborn children causes cranial deformities and the (surgical) treatment possibilities are limited until the children are old enough to not put their life in risk. This work describes an experience based on biomedical and telematics engineering discipline combination, which allows defining a treatment procedure for children b...
Existe una enfermedad que afecta a niños acabados de nacer que provoca malformaciones craneales y, las posibilidades de tratamiento (quirúrgico) son limitadas hasta que el niño tiene una edad en que no se ponga en riego su vida. Este trabajo describe una experiencia basada en la combinación de las disciplinas de ingeniería biomédica y telemática qu...
![Figure 1: Tracker interaction with peers. See [3] for more references...](profile/Jesus-Alcober/publication/279188565/figure/fig1/AS:294406209982477@1447203318846/Tracker-interaction-with-peers-See-3-for-more-references-to-ppsp-protocol_Q320.jpg){kind=tracking}
In this project we have designed the message architecture for a protocol using
as reference the first requirements specification of PPSP. The bases of our
protocol have been obtained from the IETF working group who is currently
working on this same topic.
PPSP is a protocol designed to exchange media between peers, focused on
video streaming. We ha...
Pervasive sensors networks coexist with users offering them services transparently, without the need for users to interact directly. This work defines an architecture that allows the creation of products and services to provide home automation functionalities for a large segment of population. A platform, on a low cost device and high-capacity comp...
Las redes de sensores “pervasivas” permiten convivir con los usuarios ofreciendo servicios de manera transparente y sin la necesidad que los usuarios interactúen de manera directa. Este trabajo define una arquitectura que permite la creación de productos y servicios para ofrecer
funcionalidades domóticas a un gran sector de la población. Se ha dise...
Current Internet has become an essential communication infrastructure, not only for information transfer but also as a key component of social infrastructures, such as e-government, energy/traffic controls, finance, learning, health, etc. Even though the Internet has evolved towards high-bandwidth network architectures offering transparent transpor...
The ongoing proliferation of new services, applications, and contents is leading the Internet to an architectural crisis owing to its inability to provide efficient solutions to new requirements. Clean-slate architectures for the future Internet offer a new approach to tackle current and future challenges. This proposal introduces a novel clean-sla...
Internet is becoming a huge heterogeneous and dynamic network that is growing beyond its architectural limits. The scaling up of the number of communicating nodes and services is leading the Internet to an architectural crisis which in turn makes it difficult to provide services efficiently considering the requirements and context conditions of use...
The Universitat Politècnica de Catalunya–Barcelona Tech (UPC), has added a new feature to its ATENEA UPC e-Learning platform based on Moodle. ATENEA UPC Service is UPC's e-Learning platform which supports the Bachelor and Master studies, both face-to-face and blended. This new feature, called "Activity Stream" or "wall", allows progress in the impl...
With the proliferation of multimedia capable devices, media services have to deal with heterogeneous environments where very different types of terminals wish to receive content anywhere and anytime. This situation motivates the appearance of multimedia services that adapt contents to the specific context of users. However, current Internet archite...
Video communication VANETs has many applications, such as emergency video transmission or inter-vehicle entertainment. However,
delivering video to high mobile vehicles faces challenges such as packet loss due to intermittent connectivity and channel
variations. Thus, designing a reliable approach for video streaming over such harsh scenarios is ne...
Internet is evolving fast thanks to the rising of new services and applications. This situation allowed realizing about current Internet deficiencies. Nowadays, researchers are proposing novel Internet architectures avoiding the rigidity of the layered structure posed by the TCP/IP stack. Service Oriented Architectures (SOA) principles are appropri...
The bandwidth demand growth and a restricted layer structure have led current Internet to an architectural crisis. Load on the network increases, motivating the appearance of patches aimed to amend some inherent problems of the Internet, which were not considered in its inception. Inter-layer communication in current TCP/IP stack is completely rigi...
Mobile Ad Hoc Networks (MANETs) have been an important research topic for the last years, playing a crucial role within the fast growing sector of mobile communications. At the same time, video applications over mobile devices are becoming widely used by nowadays mobile clients, where the quality in the transmission of such contents will determine...
Postprint (published version)
Actualment Internet suposa un nou medi per a la distribució de continguts multimèdia. Tot i així, les xarxes actuals tenen certes mancances per a ser utilitzades amb aquest propòsit. Aquest article presenta el disseny i la implementació d'una nova aplicació de replicació de paquets per a salvar les limitacions imposades per la capa de xarxa. També...
Urban facility interconnection networks require a robustness and reliability usually found in public networks or private cable and radio networks in licensed bands. Both factors mean an increase in costs, which also increase as the size of the network increases. The recent rise in use of wireless technologies in open wavebands has attracted the int...
The popularity of P2P video streaming is raising the interest of broadcasters, operators and service providers. Concretely,
mesh-pull based P2P systems are the most extended ones. Despite these systems address scalability efficiently, they still
present limitations that difficult them to offer the same user experience in comparison with traditional...
Emerging multimedia applications over mobile devices are becoming very popular, especially over infrastructure wireless networks such as cellular and WLANs. However, providing this kind of services over infrastructure-less networks like ad hoc networks presents many additional problems. One of these problems is how to share resources fairly among t...
En la actualidad, el modelo para proporcionar servicios basados en alojar cada aplicación en un servidor físico no es el modelo óptimo, ya que los avances tecnológicos tanto en hardware como en software hacen que se produzca un desaprovechamiento de los recursos ofrecidos. Por este motivo, este trabajo presenta un nuevo modelo basado en un clúster...
El modelo básico que sirve para proporcionar un entorno ofimático en un lugar de trabajo o un centro docente se ha mostrado inalterable durante los últimos años. Éste consiste en proporcionar a cada lugar de trabajo un ordenador personal con su respectivo sistema operativo y configuración.
A pesar que existen herramientas como la utilización de imá...
Los sistemas actuales de videoconferencia IP presentan diferentes problemáticas que entorpecen la comunicación a través de ellos. La mayoría están basados en implementaciones propietarias y conllevan costes elevados de adquisición de los equipos. Además, la calidad de los recursos multimedia transferidos por estos sistemas acostumbra a ser bastante...
The rapidly developing video technology and Internet market combined with the need of collaboration over distance has led us to design and develop a new videoconferencing system using High Definition (HD) picture. Our aim was to create an open and scalable platform based on the Service Oriented Architecture (SOA), making it easier to create and dep...
Widely adopted by service providers to enable IP telephony, instant messaging, and other data services, SIP is the signaling protocol of choice for advanced multimedia communications signaling. Compiled by noted engineering experts Syed Ahson and Mohammad Ilyas, SIP Handbook: Services, Technologies, and Security of Session Initiation Protocol prese...
Aquest treball té com a objectiu analitzar la situació actual de la Internet, per proposar noves alternatives i dibuixar un possible camí cap a la Internet del Futur. Aquesta anàlisi vol ser un punt de partida, un document de reflexió, que posicioni als agents locals i nacionals (entorns de la recerca, innovació i producció, i usuaris) en una situa...
En la actualidad, las herramientas colaborativas como la videoconferencia están teniendo un gran desarrollo, motivado principalmente por su capacidad de permitir una comunicación interactiva y facilitar el trabajo conjunto entre usuarios, sin importar que éstos no estén reunidos en el mismo lugar físico. En general, una videoconferencia multipunto...
We introduce the design an implementation of the SIP-based continuous media integration (SIP-CMI) platform, an open, flexible, scalable testbed to support a wide and extensible set of next-generation continuous media services. SIP-CMI employs a modular architecture and is built using commodity hardware. This platform follows the principle that any...
This paper proposes a measurement system of QoS parameters for a SIP based Internet telephony service. This system is called QoS agent and will allow telephony user to receive alerts in real time if network conditions are not suitable to make a call. Two complementary types of measurement methods will be used. The first one is called incall method...
En septiembre del 2001, la Escola Politècnica Superior de Castelldefels (EPSC) de la Universidad Politécnica de Cataluña puso en marcha el segundo ciclo de Ingeniería de Telecomunicación, aplicando técnicas metodológicas docentes novedosas en el ámbito de las enseñanzas técnicas.
El segundo ciclo está organizado en dos cursos de 75 créditos cada un...
El proyecto Internet2 CAT forma parte del conjunto de proyectos internacionales llamado genéricamente Internet2 (www.ucaid.edu). Uno de los objetivos de este proyecto es probar que Internet puede ser la gran plataforma global para el desarrollo masivo de la televisión y el cine digital, y que Cataluña tiene una gran oportunidad para convertirse en...
En el marco de la Fundación i2CAT y dentro del mediaCAT, plataforma horizontal que proporciona servicios vídeo y videoconferencia a los diferentes clusters que constituyen i2CAT, se ha llevado a cabo el proyecto videCAT. Este proyecto ha estabilizado un servicio de videoconferencia H323 bajo el Plan de Numeración Global GDS, independizando el acces...
We consider the problem of random access communications over a time slotted channel with feedback of infinitely multiplicity at the beginning of each collision resolution interval (CRI), i.e., users know via instantaneous feedback the number of users involved in that collision. Once this is known, the resolution algorithm (CRA) operates with binary...
We consider the problem of random access communications over a time slotted channel with feedback of infinitely multiplicity at the beginning of each collision resolution interval (CRI), i.e., users know via instantaneous feedback the number of users involved in that collision. Once this is known, the resolution algorithm (CRA) operates with binary...
We consider the problem of random access communications over a time slotted channel with feedback of infinitely multiplicity, i.e., users know via feedback the number of users involved in that collision. For the above problem we propose and analyze a simple full feedback sensing window random access algorithm, the ideal window stabilized ALOHA (IWS...
We consider the case where a number of geographically distributed mobile stations in a trunking system wish to communicate with all other mobile stations belonging to the same group by transmitting messages over a single channel. If the system comprises all these stations, the problem is reduced to allocating every incoming call among the available...
Resumen-DVB-IP es el nuevo conjunto de estándares de la ETSI para el desarrollo de servicios de distribución de TV y vídeo bajo demanda sobre redes IP. Aunque la ETSI ha reaprovechado muchos de los protocolos TCP/IP clásicos, también se han desarrollado soluciones novedosas, como por ejemplo DVBSTP (un protocolo de descubrimiento de servicio), AL-F...
Summary Throughout the last few years the model used to provide office work environments has remained unchanged. It consists in the use of a personal computer, and the respective operating system and configuration per work place.
Notícia a l'Eurescom mess@ge 1/2009 - pàgina 7 Preprint
