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Introduction
Metasurfaces
Visible Light Communications
Vehicular communications
Publications
Publications (187)
This book focuses on the benefits of mobile crowdsensing (MCS) and remote sensing applications in smart cities, particularly in creating an intelligent context-aware environment, especially in cases of infectious diseases that cause widespread loss of life. The authors first introduce the concepts of MCS and remote sensing in smart cities. The auth...
Apart the well-known benefits of Visible Light Commmunications (VLC), some drawbacks still limit its real-world deployment and market penetration, such as the need of link alignment, shadowing, and blockage. Radio Frequency (RF) technology is traditionally adopted to alleviate such limitations, acting as uplink support in asymmetric RF/VLC systems....
In underwater environment, wireless signal propagation is very challenging, and strongly affected by absorption- and scattering-induced attenuation losses. Optical wireless communications (OWC), due to huge bandwidths, can provide high data rates and medium propagation ranges, representing a viable technology for underwater scenarios. There are sev...
Trade of between different parameters in Optical Wireless Communications. The presentation would be of use to MSc and PhD students working in this area...
This paper investigates the role of reconfigurable intelligent surface (RIS) for enhanced handover management in 6G networks with overlapping wireless network layers i.e., ground, aerial, and space. A high altitude platform system (HAPS) is equipped with RIS and the comparison of direct and RIS-assisted link performance is presented. To do this, th...
In the upcoming 6G network, the use of reconfigurable intelligent surface (RIS) is expected to revolutionize wireless communications, providing high data rate, directivity, and extending coverage to skip-zones. This paper presents a detailed analysis on RIS for a fully free-space optical (FSO) ground-to-aerial-to-ground system, by means of single a...
Dear All,
The final programme for CSNDSP 2024 is now available at the CSNDSP website.
Thank you,
Recently, Metaverse is gaining prominence within the field of radiology due to its potential to revolutionize image visualization. Radiologists can harness its capabilities to access dynamic, highly detailed results, thereby enhancing diagnostic precision. Digital twins, at the core of the Metaverse, are digital replicas of real-world objects and e...
In this paper, we consider a simultaneous lightwave and power transfer-enabled indoor visible light communication system and aim to investigate how to manage the transmission power from multiple transmitters to provide both information and energy harvesting. We formulate three different optimization problems, all aiming to minimize the total averag...
The 9th biennial colloquium on optical wireless communications (OWC) provides one of the biggest forum for researchers, product and system engineers and systems developers to present and discuss their latest research results in the field of OWC. Please submit your papers and looking forward to discuss your new research results from OWC in Rome ;)
Dear All,
1st Call for Paper - CSNDSP2024
Thank you
The last years have been characterized with a radical and constant evolution of wireless networks, making connected objects ubiquitous and omnipresent in daily life. This has brought a radical shift of wireless networks paradigm, where the objects are characterized with new roles. This paradigm shift interlinked the physical and cyber-physical worl...
In this work, we consider Reconfigurable Intelligent Meta-surfaces (RIMs) to provide effective beam steering functionality, while enhancing the coverage of the fifth generation (5G) users in a urban city mobility context. In particular, we enable communications in the millimeter wave (mmWave) frequencies, that can occur simultaneously with other 5G...
Dear All
Call for papers.
Your support of this event in South America is very much appreciated.
Thank you,
Stan
Visible light communication (VLC) technology has traditionally emerged as a complementary solution to radio frequency, due to its huge available bandwidth and high data rates. Relying on visible spectrum, VLC allows both illumination and communication, thus representing a green technology with reduced energy impact. However, VLC can also be exploit...
Unmanned aerial vehicles (UAVs), also known as drones, are rapidly growing in popularity in different sectors. Although they are still in their infancy stage in terms of mass adoption, usage, and regulations, they have already broken through industry rigid barriers, which otherwise seemed impenetrable by similar technological innovations. Most rece...
To limit the spread of COVID-19, social distancing measurements and contact tracing have become popular strategies implemented worldwide. In addition to manual contact tracing , smartphone-based applications based on proximity detection have emerged to speed up the discovery of potential infectious individuals. However, so far, their effectiveness...
Social features are affecting different application areas, from traditional online social networks to economical networks, as well as the study of epidemical behaviors of pandemics and diseases. From the information point of view, also the Internet paradigm has been revised according to social behaviors of nodes, showing intrinsic properties that h...
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...
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...
Unmanned Aerial Vehicles (UAVs) are offering many global industry sectors the opportunity to adopt more sustainable business models. They offer innovative ways of managing resources and water and offer newer opportunities to address key challenges in many areas like border surveillance, precision agriculture and search and rescue missions. All thes...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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.