A5091541769- Software-Defined Networks and 5G
- Advanced MIMO Systems Optimization
- Cooperative Communication and Network Coding
- Opportunistic and Delay-Tolerant Networks
- Telecommunications and Broadcasting Technologies
- Wireless Networks and Protocols
- Advanced Photonic Communication Systems
- Energy Harvesting in Wireless Networks
- Full-Duplex Wireless Communications
- IoT and Edge/Fog Computing
- Advanced Optical Network Technologies
- Network Traffic and Congestion Control
- Age of Information Optimization
- Seismic Performance and Analysis
- IoT Networks and Protocols
- Wireless Communication Networks Research
- Advanced Wireless Network Optimization
- Millimeter-Wave Propagation and Modeling
- Seismic Waves and Analysis
- Caching and Content Delivery
- Radio Frequency Integrated Circuit Design
- IPv6, Mobility, Handover, Networks, Security
- Advanced Wireless Communication Technologies
- Wireless Body Area Networks
- earthquake and tectonic studies
Orange (France)
2020-2024
Laboratoire d'Informatique Gaspard-Monge
2018-2019
Centre National de la Recherche Scientifique
2018-2019
Université Gustave Eiffel
2018-2019
Paris-Est Sup
2019
Sorbonne Université
2018
National and Kapodistrian University of Athens
2014-2017
University of Catania
2000-2012
The software defined networking (SDN) paradigm promises to dramatically simplify network configuration and resource management. Such features are extremely valuable operators therefore, the industrial (besides academic) research development community is paying increasing attention SDN. Although wireless equipment manufacturers their involvement in SDN-related activities, date there not a clear comprehensive understanding of what opportunities offered by SDN most common scenarios involving...
5G RAN aims to evolve new technologies spanning the Cloud infrastructure, virtualization techniques and Software Defined Network capabilities. Advanced solutions are introduced split functions of Radio Access (RAN) between centralized distributed locations. Such paradigms improve flexibility reduce infrastructure deployment cost without impacting user quality service. We propose a novel functional orchestration scheme that at minimizing cost, while considering requirements its processing...
Edge Computing in 5G and Beyond is a promising solution for ultra-low latency applications (e.g. Autonomous Vehicle, Augmented Reality, Remote Surgery), which have an extraordinarily low tolerance the delay require fast data processing very high volume of data. The requirements delay-sensitive Low latency, proximity, Location/Context-awareness) cannot be satisfied by Cloud due to between User Equipment Cloud. Nevertheless, beyond can promise ultra-high-speed caused placing computation...
Recent progress in sensor and communications have opened the road for ever-growing development of Internet Things (IoT) services, where a massive number devices require access to transport network, using widely deployed fixed or wireless technologies and/or mobile Radio Access Network (RAN). Supporting IoT RAN is challenging, as services may generate multitude short bursty sessions, thus impacting performances users sharing same RAN. To this end, network slicing envisioned promising design...
The next 5G infrastructure is expected to serve a multitude of services with heterogeneous requirements, which might be potentially managed by multiple Mobile Virtual Network Operators (MVNOs) that share the same network infrastructure. new emerging technologies, such as i) Software Defined Networking (SDN), ii) Function Virtualization (NFV) and iii) Slicing, where physical resources are partitioned allocated in an isolated manner set or MVNOs according specific Service Level Agreement...
The massive adoption of Cloud technology in mobile access networks has driven the operators and vendors to work together order make Radio Access Network (RAN) ecosystem more agile. In this context, virtualization network functions is cornerstone a successful Function Virtualization (NFV) environment. However, stringent requirements RAN their deployment infrastructure complex prone performance issues. respect, paper puts forward novel approach that adopts an agile orchestration fine-grained...
Network slicing is considered a key technology for the upcoming 5G system, enabling operators to efficiently support multiple services with heterogeneous requirements, over common shared infrastructure. In this demo, we present prototype managing network slices in Cloud Radio Access (C-RAN), which reference architecture 5G. Our deals spectrum problematic and aims at sharing bandwidth resources among different slices, while considering their requirements. The makes use of Open Air Interface...
In this paper, we present a novel framework for virtualizing the Long Term Evolution (LTE) base stations to improve user performance and lower downlink interference. Our proposal, referred as "OpeNB", is an attempt utilize benefits of Software Defined Networking (SDN) OpenFlow, introducing network virtualization in LTE networks with adaptable, highly extensible, less invasive manner. The proposed solution consists architecture mechanism that allows depending on state. Simulation results show...
The provision of service-oriented network resource virtualization, commonly known as slicing, is envisioned an answer to the increasing diversity application demands in evolving 5G mobile networks. Network slicing helpful isolating a specified amount resources order accommodate diverse services having heterogeneous requirements that may be conflicting. In this paper, we propose scheme for Time Division Duplex (TDD) that, pre-defined time duration, forms service-specific slices based on...
Spectrum and infrastructure sharing among multiple mobile network operators have recently drawn significant attention from the industry academia sectors. Recent advances in area of Software Defined Networking (SDN) launch design innovative SDN-based solutions for resource multi-tier networks macrocell small-sized base stations, a.k.a. HetNet. In this paper, we present a novel framework that enables efficient elastic spectrum utilization 3GPP LTE-A HetNet scenario. Assuming multi-operator...
5G radio access networks are expected to leverage the Cloud environment for building a cost effective network infrastructure. Advanced mechanisms with functional split introduced RAN functionalities into centralized and distributed locations. This novelty has brought more flexibility deployment but is still conditioned resource availability. In this paper, we propose new orchestration framework joint scheme on user basis. Specifically, address of heterogeneous resources in multi-sited...
In this paper, we present an open source Radio Access Network (RAN) sharing prototype, based on Open Air Interface (OAI) platform, which employs slicing features provided by RAN controller, known as FlexRAN. Accordingly, paper analyzes the benefits of employing network in to introduce more flexibility configuration architectures. The contribution is twofold. Firstly, propose a flexible architecture where specific radio slice allocated each operator that shares same RAN, while considering...
In this paper, we propose a Software Defined Network (SDN)-based framework for enhanced Quality of Experience (QoE) in the presence Time Division-Long Term Evolution (TD-LTE) pico-cell hotspots. The proposed enables users to utilize radio-resources from multiple base stations and enhance their QoE, by utilizing concept virtual cells customizing TD-LTE frame at picocell stations. way, resolves pseudo-congestion elastic radio-resource management while meeting individual traffic requirements...
Rarely the interest in a new networking paradigm has increased at such velocity as it is happening for software defined (SDN). Motivations of this hype are several but most important can be re-conducted to following three: (i) SDN simplifies network configuration and management; (ii) makes evolvable; (iii) frees operators from vendors' lock-in. Eagerly, some cases, or reluctantly, others, both manufacturers communication equipments have started lines research, development, marketing focused...
In this demo, we present a Cloud Radio Access Network (C-RAN) prototype based on the Open Air Interface (OAI) platform, which enables efficient coexistence of Internet Things (IoT) and Enhanced Mobile Broadband (eMBB) slices, sharing same (RAN). Our aims at efficiently distributing spectrum resources among multiple while considering inputs from northbound Software Defined (SDN) application. By using real smartphones IoT devices orchestrated by BeC <sup...
Fifth generation (5G) mobile networks do not solely support services with very high throughput, but also answer the requirements of other heterogeneous services, characterized by different Quality Service (QoS) criteria such as maximum tolerated delay, minimum guaranteed or capacity constraints. This heterogeneity necessitates partitioning available radio resources into multiple slices, where each slice is specific QoS and isolation Nonetheless, a static resource allocation scheme among...
Fifth Generation (5G) mobile networks introduce the concept of slicing to ensure isolation among various supported heterogeneous services. The User Equipment (UE) can be connected multiple slices simultaneously. Additionally, notion a Bandwidth Part (BWP) was also instigated reduce power consumption. A BWP is small chunk bandwidth scanned by UE retrieve its service data. Therefore, services configured with BWPs each associated given service. Such UEs find themselves scanning BWPs, which time...
Fifth generation mobile networks (i.e, 5G) are not only characterized by higher capacity and throughput, but also the support of heterogeneous services, different Quality Service (QoS) requirements in terms delay or energy consumption. Such multi-service require partitioning available radio resources into mutliple slices, where each service occupies one slice an isolated manner. However, a static isolation scheme among slices might have negative impact on resource efficiency. For example,...