- Advanced Photonic Communication Systems
- Advanced Optical Network Technologies
- Optical Network Technologies
- Software-Defined Networks and 5G
- IoT and Edge/Fog Computing
- Advanced MIMO Systems Optimization
- Telecommunications and Broadcasting Technologies
- Satellite Communication Systems
- Distributed and Parallel Computing Systems
- Cloud Computing and Resource Management
- Advanced Wireless Communication Technologies
- Vehicular Ad Hoc Networks (VANETs)
- Image and Video Quality Assessment
- Caching and Content Delivery
- Distributed systems and fault tolerance
- Cooperative Communication and Network Coding
- Multimedia Communication and Technology
- Autonomous Vehicle Technology and Safety
- Age of Information Optimization
- Cybersecurity and Cyber Warfare Studies
- Target Tracking and Data Fusion in Sensor Networks
- Digital Transformation in Industry
- Semiconductor Lasers and Optical Devices
- Traffic Prediction and Management Techniques
- Physical Unclonable Functions (PUFs) and Hardware Security
Huawei Technologies (Sweden)
2022
i2CAT
2016-2021
Universitat Politècnica de Catalunya
2013-2020
Software (Spain)
2020
Telefonica Research and Development
2016
Athens Information Technology
2015-2016
Fundació ACE
2016
Graz University of Technology
2014
University of Tabriz
2008
We evaluate the advantages of using extra dimension introduced by space-division multiplexing (SDM) for dynamic bandwidth-allocation purposes in a flexible optical network. In that respect, we aim to compare spectral and spatial super-channel (Sp-Ch) allocation policies an SDM network based on bundles SMFs (to eliminate coupling between dimensions from study) investigate role modulation format selection blocking probability performance with emphasis efficiency (SE)/reach tradeoff different...
Summary This paper presents initial results available from the European Commission Horizon 2020 5G Public Private Partnership Phase 2 project “SaT5G” (Satellite and Terrestrial Network for 5G). After describing concept, objectives, challenges, research pillars addressed by SaT5G project, this elaborates on selected use cases scenarios satellite communications positioning in usage scenario of enhanced mobile broadband.
Elastic optical network (EON) technology arises as a promising solution for future high-speed transport, since it can provide superior flexibility and scalability in the spectrum allocation seamlessly supporting diverse services, while following rapid growth of Internet traffic. This work focuses on lightpath adaptation under time-variable traffic demands EONs. Specifically, we explore possibility utilizing spectral fragmentation to increase (SA) capabilities In this context, heuristic SA...
We compare SDM joint and independent switching strategies in a planning scenario involving European backbone network. Joint can achieve cost savings of 40-50% with performance similar to that switching.
5G envisages a "hyper-connected society" where an enormous number of devices are inter-connected anywhere and at any time.Cloud-enabled radio access networks (RAN) intelligence is placed in conjunction with the heads proximity end users promising solution to fulfil expectations sub-millisecond latency, huge traffic volumes higher data rates.Network Functions Virtualization (NFV) Software Defined Networking (SDN) developments enable advanced features such as configurability, automation,...
Abstract The main goal of the H2020-CARAMEL project is to address cybersecurity gaps introduced by new technological domains adopted modern vehicles applying, among others, advanced Artificial Intelligence and Machine Learning techniques. As a result, CARAMEL enhances protection against threats related automated driving, smart charging Electric Vehicles, communication or between roadside infrastructure. This work focuses on latter presents architecture aiming at assessing integrity...
5G technologies promise to bring new network and service capacities are expected introduce significant architectural deployment transformations. The Cloud-Radio Access Networks (C-RAN) architecture, enabled by the combination of Software Defined Networking (SDN), Network Function Virtualization (NFV) Mobile Edge Computing (MEC) technologies, play a key role in development 5G. In this context, paper addresses problems Virtual Functions (VNF) provisioning (VNF-placement chain allocation)...
5G envisages a “hyperconnected society” where trillions of diverse entities could communicate with each other anywhere and at any time, some which will demand extremely challenging performance requirements such as submillisecond low latency. Mobile Edge Computing (MEC) concept application computing resources are deployed the edge mobile network in proximity an end user is promising solution to improve quality online experience. To make MEC more flexible cost-effective Network Functions...
Abstract Fifth generation (5G) envisages a “hyperconnected society” with an enormous number of interconnected devices, anywhere and at any time. Edge computing plays pivotal role in this vision, enabling low latency, large traffic volumes, improved quality experience. The advent 5G edge encourages vertical industries to develop innovative services, which can meet the challenging demands coming from consumers. However, economic feasibility is ultimate factor that determines viability new...
Abstract Small cells have emerged as a useful tool for supporting increased network capacity through densification, but they can also be used to support edge cloud computing services. In this paper, we provide preview of an innovative concept that tackles the consolidation multi‐tenancy in such type communications infrastructures, well placement intelligence and applications edge. After surveing challenges enabling technologies, present envisaged architecture manage control Cloud‐Enabled...
The idea behind flexible optical transmission is to optimize the use of fiber capacity by flexibly assigning spectrum and data rate adapted needs end-to-end connection requests. Several techniques have been proposed this end. One such technique based on utilization Nyquist-shaping filters with aim reducing required channel spacing in single-carrier super-channel systems. Nonetheless, imperfect shape used at bandwidth-variable transceivers wavelength-selective switches compels necessity...
5G technologies are a new paradigm strongly supported by the European Commission (EC) to overcome challenges of next generation networks and aiming tackle novel manifold business requirements vertical sectors such as Industry 4.0, Smart Grids, Cities, eHealth. Extraordinarily high speeds capacity, multi-tenancy, fixed wireless access network convergence, self-X, unconventional resource virtualisation, on-demand service-oriented allocation automated management resources only few examples...
We compare spectral and spatial super-channel allocation policies for SDM networks based on SMF bundles employing different switching paradigms. discuss the efficiency/reach trade-off show that offers significant benefits using joint switching.
We present here the work performed in EU-funded flexible optical cross-connect (FOX-C) project, which investigates and develops new switching solutions with ultra-fine spectral granularity. Thanks to high resolution filtering elements, sub-channel content can be dropped from or added a super-channel, offering flexibility transport networks through fine adaptability of network resources traffic demands. For first time, FOX-C developed project are investigated evaluated experimentally. Their...
Fifth generation mobile communication (5G) networks promise lower latency, higher traffic volume and data rates compared to what we see nowadays. Among all technologies, Network Function Virtualization (NFV) Software Defined Networking (SDN) techniques over the cloud-enabled radio systems play an important role enable resource pooling, scalability, layer interworking spectral efficiency. Despite potential benefits, there is always additional challenge on assuring quality of service user...
Flexible optical super-channel transmission is widely accepted today as the next step in evolution towards high capacity core networks since it allows optimising use of fibre resources by efficiently assigning spectrum and data rate tailored to needs end-to-end traffic demands. The emergence new services supporting increasingly diverse flows ranging from a few gigabits per second terabits may however lead inappropriateness super-channels serve lower-rate Recent developments switching...
We compared two different mid-term migration scenarios for core network capacity scaling, realized using either multi-band or multi-fiber systems. show, under realistic assumptions of current costs, that the system is more cost-effective.
Fifth-generation (5G) envisages a "hyper-connected society" where an enormous number of diverse entities could communicate with each other anywhere and at any time, some which will demand extremely challenging performance requirements such as sub-millisecond latency, higher data rates. Cloud-enabled radio access networks (CE-RANs) intelligence is placed the edge mobile network in proximity end users emerge promising solution to improve online experience. To make CE-RAN more flexible...
In this manuscript, we present the main concepts of 5G-PPP SESAME project dedicated to implementation Cloud-Enabled Small Cells (CESCs), able support edge cloud computing in a multi-tenant, multi-service ecosystem. More particularly, give preview concept at component/sub-system, system and operation level. At component/sub-system level, detail our plan deploy multi-operator enabled small cells, enhanced with virtualised execution platform for 5G. envisaged architecture manage control...
The optimum spectrum granularity for sub-channel allocation within super-channels is evaluated according to the Nyquist-shaping characteristics of ultra-fine resolution filters. Optimized blocking performance achieved 3.125GHz using novel fine technologies.
Cloud Native (CN) in 5G systems has been identified as a pivotal candidate for operational and capital expenditure savings well improvements system agility services role-out. CN telco is step forward with respect to Network Function Virtualisation (NFV) aiming at embracing microservice-based architecture. With this mind, the European Telecommunications Standards Institute (ETSI) evolved ETSI NFV reference architecture adapt fill gap framework, including containers ZeroTouch, among other...
The convergence of innovation in satellite communications, 5G terrestrial systems and cloud technology promises a ubiquitous networking solution, which offers wide range features, including but not limited to: universal multiaccess coverage at extraordinarily high speeds & capacity, multi-tenancy, fixed wireless access network convergence, software controlled, agile service provisioning, on-demand service-oriented resource allocation, highly orchestrated. To meet the needs future...