Anna Maria Vegni

Anna Maria Vegni
Università Degli Studi Roma Tre | UNIROMA3 · Dipartimento di Ingegneria Industriale Elettronica e Meccanica

Ph.D

About

147
Publications
24,446
Reads
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2,166
Citations
Citations since 2016
85 Research Items
1753 Citations
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2016201720182019202020212022050100150200250
2016201720182019202020212022050100150200250

Publications

Publications (147)
Conference Paper
Full-text available
In the last few years, the railway community has been working on the replacement of GSM-R technology used within the ERTMS/ETCS system. It is crucial to identify alternative communication technologies able to replace GSM-R guaranteeing the same requirements of QoS/QoE, security, and safety. For this purpose, the two most promising approaches are ba...
Preprint
Full-text available
The EU COST Action NEWFOCUS is focused on investigating radical solutions with the potential to impact the design of future wireless networks. It aims to address some of the challenges in OWC and establish it as an efficient technology that can satisfy the demanding requirements of backhaul and access network levels in 5G networks. This also includ...
Article
Full-text available
Sixth generation (6G) wireless communication networks are envisioned to be empowered with novel enabling technologies to guarantee ubiquitous coverage requirements, heterogeneous communication scenarios, and improved network intelligence, spectral rates, and security. The 6G vision is not only limited to terrestrial networks, but also extends to no...
Article
Recent developments in the unmanned aerial vehicles (UAVs) field have made evident the need for a standardization process of the communication technologies supporting direct information exchange, thus enabling UAV-to-UAV networking. We consider this is necessary to achieve all sorts of cooperative tasks requiring real-time (or near-real-time) synch...
Article
The massive increase in population density in cities has led to several urban problems, such as an increment of air pollution, traffic congestion, and a faster spread of infectious diseases. With the rapid innovation in the intelligent sensors technology, and its integration into smart vehicles and Unmanned Aerial Vehicles (UAVs), a novel sensing p...
Article
In late 2019, a new virus was discovered, namely SARS-CoV-2. This strain causes severe acute respiratory syndrome coronavirus 2, defined as COVID-19. The disease soon spread all over the world, thus becoming a pandemic. It has been almost two years since worldwide restrictions on our lives started, and the traditional way people live and work has c...
Article
Full-text available
This paper assesses the performance of a localization technique for underwater visible light networks. The proposed approach is based on a fingerprinting technique, collecting the channel impulse responses from different wireless optical signals in the visible range. A local database related to the power level distribution within a maritime environ...
Article
Recently, pushed by COVID-19 pandemic, the need of respecting social distancing has motivated several researchers to define novel technological solutions to monitor and track user movements. Information and Communications Technologies (ICT) world has addressed this challenge by means of the use of different technologies, such as Bluetooth, in order...
Article
Full-text available
Recently, the new paradigm of Vehicular Social Networks (VSNs) has stimulated a lot of interest in the research community. The rationale behind this interest relies on the integration of social relations in the Internet of Vehicles, taking into account of the human component –in terms of preferences and interests of individuals–, and then allowing...
Article
Full-text available
With the advancement of nanotechnology, there has been fervid research activity on new communication paradigms suitable for new challenging contexts, such as biological systems. Among different approaches, the most considered has been artificial Molecular Communication, where entities such as synthetic molecules, enzymes, hormones, bacteria etc. ar...
Article
In this work, a new paradigm for vehicular communications based on Reconfigurable Intelligent Meta-surfaces (RIMs) is presented. By using the proposed RIM, we are able to manipulate electromagnetic waves in the half-space, since the element is reflective. The unit cell consists of a U-shaped designed microstrip structure equipped with a pin diode a...
Article
Message Broadcasting in Opportunistic Networks is based on the opportunity of establishing contacts among mobiles nodes for message exchange. Nevertheless, as the amount of information transmitted in a contact is limited by the transmission speed and the contact duration, large messages are less likely to be exchanged, and thus their diffusion is s...
Article
The ever-increasing number of vehicles on a global level signifies the need for communications between vehicles and the surrounding environment. Visible light communications (VLC) is a viable complementary technology to congested radio-frequency-based wireless systems. In order to increase the reliability of the VLC link, two novel algorithms based...
Conference Paper
Huge interest in controlling and manipulating electromagnetic waves is recently and strongly evolving, mainly due to the growing demand of reliable technologies in several application fields, such as communications, healthcare, military and safety. Despite the plethora of technologies existing nowadays, limitations are still present, such as limite...
Article
Designs and results for a low-power and economical fingerprint visible light positioning (VLP) system are discussed in this paper. A system using four white LEDs and one photodiode was deployed. The LEDs are independently controlled and modulated by individual transmitter circuits, removing the requirement for a large, expensive signal generator. T...
Article
Vehicular Social Networks (VSNs) consist of groups of individuals (i.e., people) who may share common interests, preferences and needs in the context of temporal spatial proximity on roads. In this environment, the impact of human social factors, such as mobility, willingness to cooperate and personal preferences, on vehicular connectivity is taken...
Conference Paper
Full-text available
In recent years, the concept of social networking combined with the Internet of Vehicles has brought to the definition of the Social IoV (SIoV) paradigm, i.e., a social network where every vehicle is capable of establishing social relationships in an autonomous way with other vehicles or road infrastructure equipment. In SIoV, social networking is...
Article
Online social networks (OSNs) are comprised of people with social interactions and relationships, such as friendship and acquaintance. Social web communities (e.g., Facebook or Twitter), and content-sharing sites with social networking functionality (e.g., YouTube), have attracted millions of users, and OSNs are continuing to grow, with a giant num...
Article
In the upcoming 5G systems, the use of optical attocells will be largely exploited, with the aim of extending connectivity to multiple users, while reducing coverage holes in indoor environments. The deployment of light emitting diodes (LEDs) should be well considered in order to use the optimal number of attocells to guarantee both illumination an...
Article
The Internet of Vehicles (IoVs) has emerged as a new spin-off research theme from traditional vehicular ad hoc networks (VANETs). It employs vehicular nodes connected to other smart objects equipped with a powerful multi-sensor platform, communication technologies, and IP-based connectivity to the Internet, thereby creating a possible social networ...
Article
Full-text available
Recent progress in the field of nanotechnology is enabling communication between nanodevices to be considered also for in-vivo applications. In particular, nanodevices enabling light-controlled process have started to attract a lot of interest in the research community, due to potential applications like healthcare wearable devices, intra-body appl...
Article
Recently, Internet-of-Things (IoT) applications have been moving toward a network of intelligent objects with social capabilities, defined as the Social IoT (SIoT). Different types of relationships exist among things, thus forming social connections such as parental-object relationship (POR), co-work-object relationship (CWOR), co-location-object r...
Article
Internet of Robotic Things (IoRT) is a new concept introduced for the first time by ABI Research. Unlike the Internet of Things (IoT), IoRT provides an active sensorization and is considered as the new evolution of IoT. In this context, we propose a Neuro-Dominating Set algorithm (NDS) to efficiently deploy a team of mobile wireless robots in an Io...
Chapter
Todays, Internet of Things (IoT) is starting to occupy a major place in our everyday lives. It has already achieved a huge success in several sectors and continues to bring us a range of new capabilities and services. However, despite the apparent success, one of issues which must be tackle is the big quantity of data produced and transmitted by th...
Chapter
Internet of Robotic Things (IoRT) is a new concept introduced for the first time by ABI Research. Unlike the Internet of Things (IoT), IoRT provides a dynamic actuation and is considered as the new evolution of IoT. This new concept will bring new opportunities and challenges, while providing new business ideas for IoT and robotics’ entrepreneurs....
Article
Resource allocation and interference management are two main issues that need to be carefully addressed in visible light communication (VLC) systems. In this paper, we propose a resource allocation scheme that can also handle the inter-cell interference in a multi-user VLC system that employs orthogonal frequency division multiple access (OFDMA). P...
Article
The coexistence of radio frequency (RF) and visible light communications (VLC) in typical indoor environments can be leveraged to support vast user quality-of-service (QoS) needs. In this paper, we target a hybrid RF/VLC network in which data transmission is provided via either an RF access point or a VLC luminary based on a selection process. We e...
Article
Full-text available
In this paper we present two resource allocations techniques in a visible light communication network with overlapping coverage areas due to the use of access points. Particularly, the first approach exploits the rate maximization criteria, and then aims at maximizing the network rate under constraints on minimum and maximum rates, while the other...
Conference Paper
We present a new approach to model, design and realize MetaSurface structures for sensing and telecommunications. The method turns out to be versatile and has great potential to be used for practical electromagnetic applications.
Article
Full-text available
The co-deployment of radio frequency (RF) and visible light communications (VLC) technologies has been investigated in indoor environments to enhance network performances and to address specific quality-of-service (QoS) constraints. In this paper, we explore the benefits of employing both technologies when the QoS requirements are imposed as limits...
Conference Paper
The Internet-of-Vehicles allows the coexistence of traditional Internet applications with the Internet-of-Things, so that vehicles can communicate not only among them but also to neighboring devices and humans as well. In this context, the human social behavior is a fundamental aspect that needs to be taken into account specially for message dissem...
Article
The potentialities of Terahertz frequency band in the context of nano-scale communications are largely increasing, thanks to specific features that allow to overcome the issues related to the spectrum scarcity and capacity limitation. Apart from high molecular absorption and very high reflection loss that represent the main phenomena in Terahertz (...
Article
In indoor environments, visible light communications paradigm is emerging as a viable promising solution complementary to well-known radio frequency technology. At the same time, the information about user’s location is useful for accessing the medium via space division multiplexing, handling over or providing access to location-based contents. In...
Article
Introduction Recent developments in the fabrication of white light emitting diodes (LEDs) have allowed the use of the visible light spectrum for data transmission along with illumination purpose, thus providing the dual paradigm of illumination and communications [1]. The benefits of modulating the intensity of the visible light for data transmissi...
Chapter
The use of nanodevices for biomedical applications has recently been object of study by researchers. Novel prospectives can be envisaged in the field of nanomedicine, also supported by innovative nanodevices with specific properties. In this chapter, we present the electromagnetic properties of different metal nanoparticles (i.e., nanocube, nanocyl...
Article
Full-text available
In this paper, we consider a cognitive indoor visible light communications (VLC) system, comprised of multiple access points serving primary and secondary users through the orthogonal frequency division multiple access method. A cognitive lighting cell is divided into two non-overlapping regions that distinguish the primary and secondary users base...
Conference Paper
Nowadays, Internet of Things (IoT) coupled with cloud computing begins to take an important place in economic systems and in society daily life. It has got a large success in several application areas, ranging from smart city applications to smart grids. One major challenge that should be addressed is the huge amount of data generated by the sensin...
Conference Paper
In recent years, nanotechnology has emerged as a novel evolution in technology enabling the design of miniaturized devices (i.e., nanodevices). At this scale, the behaviors and characteristics of nanodevices require a deep understanding and a revision of well-known features of devices at the macroscale level. Indeed, due to their specific nanoscale...
Article
This paper investigates a novel communication system architecture for traffic management and data control in railway scenarios. The proposed solution should be integrated in the existing European Railway Traffic Management System/European Train Control System, the most advanced and successful standard even outside the European countries. Our system...
Article
Smart City services are enabled by a massive use of Internet of Things (IoT) technologies. The huge amount of sensors, and terminals with a great variety of typologies and applications, requires a secure way to manage them. Capillary networks can be seen as a short range extension of conventional access network in order to efficiently capture the I...
Article
Nanotechnology, as enabler of the miniaturization of devices in a scale ranging from 1 to few hundreds of nm , represents a viable solution for “ alternative” communication paradigms that could be effective in complex networked systems, as body area networks. Traditional communication paradigms are not effective in the context of joint body and nan...
Conference Paper
Quantum phenomena represent a natural direction for developing nanotechnology, since it has to be considered as a new scale where new phenomena can occur and can be exploited for information purpose. Specific quantum particles are phonons, the quanta of mechanical vibrations (i.e., acoustic excitations), that can be analyzed as potential informatio...
Conference Paper
Terahertz frequency band is an emerging research area related to nano-scale communications. In this frequency range, specific features can provide the possibility to overcome the issues related to the spectrum scarcity and capacity limitation. Apart high molecular absorption, and very high reflection loss that represent main phenomena in THz band,...
Article
Technology in the THz frequency band has progressed rapidly in the last few years. The THz frequency band offers greater communication bandwidth than microwaves frequencies, and is becoming a standard for nanoscale communications. Traditional channel models for lower frequencies do not take into consideration specific properties as the very high mo...
Article
Channel modeling in the Terahertz frequency band has become a very hot research field, above all in the context of nano-Internet of Things. Thanks to the exploitation of frequencies in the interval ranging from 0.06 to 10 THz, it is envisioned the possibility to overcome the issues related to the spectrum scarcity and capacity limitation. On the ot...
Chapter
Nowadays, we are immersed in a digital world with a huge number of sensors, and devices, connected following a great variety of typologies. Internet Protocol (IP) v6 and the standardization of the novel Internet of Things (IoT) protocols enable new services and applications. Moreover, the heterogeneity of IP and non-IP devices requires novel securi...