Now showing items 21-40 of 79

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    Disruptive approaches for subtitling in immersive environments 

    Hughes, Chris. J.; Montagud, Mario; tho Pesch, Peter (2019-06-04)

    The Immersive Accessibility Project (ImAc) explores how accessibility services can be integrated with 360o video as well as new methods for enabling universal access to immersive content. ImAc is focused on inclusivity and ...

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    Ensembled Outlier Detection using Multi-Variable Correlation in WSN through Unsupervised Learning Techniques 

    Catalan, Marisa; Gaston, Bernat; Roig, Marc (2019-05-02)

    Outlier detection in Wireless Sensor Networks is a crucial aspect in IoT, since cheap sensors tend to be seriously exposed to errors and inaccuracies. Hence, there is the need of a solution to improve the quality of the ...

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    Network Slicing-aware NFV Orchestration for 5G Service Platforms 

    Carrozzo, Gino; Colman-Meixner, Carlos; Khalili, Hamzeh; Nejabati, Reza; Papageorgiou, Apostolos; Siddiqui, Shuaib; Simeonidou, Dimitra (2019-08-15)

    The advent of 5G promises to unleash highly pervasive network coverage and density, increased data rate and capacity, optimized instantiation of virtualized resources in a multi-tenant and multi-service network capable of ...

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    On Alleviating Cell Overload in Vehicular Scenarios 

    Trullenque, Martín; Sallent, Oriol; Camps Mur, Daniel; Escrig, Josep; Herranz, Carlos; Nasreddine, Jad; Pérez, Jordi (2022-09-26)

    Fifth Generation (5G) networks will support countless new applications and new business models. One of the 5G paradigms is network slicing, which enables the integration of multiple logical networks each one tailored to ...

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    RINA-based virtual networking solution for distributed VNFs: Prototype and Benchmarking 

    Fernández, Carolina; Giménez, Sergio; Grasa, Eduard; Siddiqui, Shuaib (2022-07-01)

    The decoupling of the network functions from the hardware they run on has become a common practice nowadays. Complex network services made up of multiple Virtual Network Functions (VNFs) can be instantiated over the ...

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    Cost-Efficient 5G Non-Public Network Roll-Out: The Affordable5G Approach 

    Coronado, Estefania; Siddiqui, Shuaib; Sarakis, Lambros; Trakadas, Panagiotis; Prior, Simon; Trullols-Cruces, Oscar; Centenaro, Marco; Atxutegi, Eneko; Gkonis, Panagiotis; Gonzalez-Diaz, Sergio; Antonopoulos, Angelos; Merino, Pedro (2021-09-10)

    The era of 5G broadband wireless networks is inextricably connected with the provision of high data rates to mobile users, as well as bandwidth demanding and low latency applications. While large scale deployments of 5G ...

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    Benchmarking the Cooperative Awareness Service at Application Layer with IEEE 802.11p and LTE-PC5 Mode-4 

    Casademont, Jordi; Camps, Daniel; Lopez, Leandro; Mendoza, Charmae (2021-09-07)

    Vehicular communications hold the promise of disrupting mobility services and supporting the mass adoption of future autonomous vehicles. Regulators have set aside specific spectrum at the 5.9 GHz band to support Intelligent ...

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    CPSoSaware: Cross-layer Cognitive Optimization Tools & Methods for the Lifecycle Support of Dependable CPSoS 

    Antonopoulos, Christos; Catalan, Marisa; Fournaris, Apostolos; Jääskeläinen, Pekkia; Keramidas, Georgios; Lalos, Aris S.; Voros, Nikolaos; Zacharaki, Evangelia (2020-08-04)

    Cyber-physical Systems of Systems (CPSoS) are large complex systems where physical elements interact with and are controlled by a large number of distributed and networked computing elements as well as human users. Their ...

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    Assessment of CAPEX and OPEX for Media Services in Cloud Enabled 5G Networks 

    Meani, Claudio; Moessner, Klaus; Nasr, Karim M.; Neokosmidis, Ioannis; Paglierani, Pietro; Khodashenas, Pouria Sayyad; Rokkas, Theodoros (2019-11-11)

    A techno economic analysis for a C-RAN architecture in a Crowded Events (CE) offering immersive video services (IVS) is presented. The analysis shows that investments for an IVS in CE relying on edge cloud resources are ...

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    Nuberu: Reliable RAN Virtualization in Shared Platforms 

    Garcia-Aviles, Gines; Costa-Perez, Xavier; Garcia-Saavedra, Andres; Serrano, Pablo; Gramaglia, Marco; Banchs, Albert (2022-02-01)

    RAN virtualization will become a key technology for the last mileof next-generation mobile networks driven by initiatives such asthe O-RAN alliance. However, due to the computing fluctuationsinherent to wireless dynamics ...

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    Revisiting Open eXchange Points with Software Defined Networking 

    Aznar, Jose; Buscaglione, Sebastiano; Gerola, Matteo; Jakovljevic, Bojan; Prete, Luca; Salsano, Stefano; Schmitz, David; Stamos, Kostas; Ventre, Pier Luigi (2016-08-25)

    The introduction of SDN in Service Providers’ networks like GEANT is a challenging task. Prototypes of new ´ generation services have to exhibit “carrier grade” characteristics, meet the high level expectations and specialized ...

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    Design, development and evaluation of adaptative and interactive solutions for high-quality viewport-aware VR360 video processing and delivery 

    Fernández-Dasi, Miguel; Montagud, Mario; Paradells, Josep (2022-08-05)

    This páper contáins the reseárch proposál of Miguel Ferná ndez Dásí thát wás presented át the MMSys 2022 doctorál symposium.1 The production ánd consumption of multimediá content is continuously increásing, ánd this ...

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    Designing a 3GPP NB-IoT NTN service for CubeSats in low density Constellations 

    Guadalupi, Marco; Claveras, Anna; Ferrer, Josep; Ferrús, Ramón Antonio; Llorens, Isaac; González, Alberto; Brandborg, Reneé; Krogh, Henrik; Kellerman, Timo; Afaqui, Muhammad (2021-10-28)

    The 3rd Generation Partnership Project (3GPP), the standard development organization in charge of the 5G mobile system specifications, is currently developing the adaption of the NB-IoT protocol for non-terrestrial networks ...

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    ImAc Player: Enabling a Personalized Consumption of Accessible Immersive Contents 

    Fernandez, Sergi; Fraile, Isaac; Genís, Maria; Meyerson, Einar; Montagud, Mario (2019-06)

    Accessibility is a fundamental requirement for every (multimedia) service. Although immersive media services are on the rise, they still lack of accessibility features. This paper presents a web-based player that enables ...

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    Production and Delivery of Video for Multi-device Synchronized Playout 

    Fernandez, Sergi; Llobera, Joan; Malewski, Szymon; Nuñez, Juan Antonio (2017-06-01)

    In the contemporary living room, the audience's attention is often divided between TVs, second screens and, increasingly, head mounted displays. To address this reality, ImmersiaTV is a H2020 European project which is ...

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    Holo-conferencias 3D multi-usuario: hacia una nueva generación de reuniones virtuales 

    Rincón, David; Martos, Marc; Cernigliaro, Gianluca; Fernandez, Sergi; Montagud, Mario (2021-10-12)

    Los sistemas de videoconferencia multi-usuario han ganado mucha relevancia en la sociedad. Aunque estos hayan evolucionado considerablemente en cuanto a escalabilidad, interoperabilidad y funcionalidades de interacción, ...

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    Application of distributed computing and machine learning technologies to cybersecurity 

    Attak, Hamza; Combalia, Marc; Gardikis, Georgios; Gaston, Bernat; Jacquin, Ludovic; Litke, Antonis; Papadakis, Nikolaos K.; Papadopoulos, Dimitris; Pastor, Antonio (2018-11-19)

    SHIELD is a distributed cyber-security system that leverages Network Function Virtualisation for dynamically deploying virtual Network Security Functions. The security functions send network traffic’s monitoring data to a ...

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    Network Services SLAs over 5G Infrastructure Converging Disaggregated Network and Compute Resources 

    Cantó Palacar, R.; Camps, Daniel; Filis, Konstantinos; Lyberopoulos, George; Mesogiti, I.; Serrano, N. A.; Theodoropoulou, Elina (2018-11-01)

    5G networks will comprise multiple network and compute infrastructure setups at finest fragmentation consisting of multiple disaggregated pools of network, compute and storage resources. Thus, 5G shall provide the means ...

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    PALANTIR: Zero-Trust Architecture for Managed Security Service Provider 

    Compastié, Maxime; Sisinni, Silvia; Gurung, Supreshna; Fernández, Carolina; Jacquin, Ludovic; Mlakar, Izidor; Šafran, Valentino; Lioy, Antonio; Pedone, Ignazio (2023-01-13)

    The H2020 PALANTIR project aims at delivering a Security-as-a-Service solution to SMEs and microenterprises via the exploitation of containerised Network Functions. However, these functions are conceived by third-party ...