Waldir Moreira

Waldir Moreira
Associação Fraunhofer Portugal Research · Research and Development

PhD in Telecommunications
Innovation Lead | Senior Project Manager | Senior Scientist | Cross-functional Team Leader | Multi-stakeholder Manager

About

123
Publications
22,801
Reads
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1,076
Citations
Introduction
I hold a PhD degree (’14) in Telecommunications with Master (’08) and Bachelor (’05) degrees in Computer Science. Currently, I am Senior Project Manager at Fraunhofer Portugal. My work/interest are in the field of Adhoc, Mesh, Social-aware, Cooperative, Opportunistic, Information-Centric, and Software-Defined Networking and Routing as well as ICT4D, Digital Services/Tools for Inclusion and Empowerment, Network Deployment in Challenged/Underserved Areas, I/IoT, Digital Farming, and Industry 4.0.
Additional affiliations
January 2009 - July 2010
Institute for Systems and Computer Engineering, Technology and Science (INESC TEC)
Position
  • Researcher
January 2006 - December 2008
Federal University of Pará
Position
  • Researcher
Education
October 2009 - July 2013
Universidade do Minho, Aveiro e Porto
Field of study
  • Telecommunications
January 2006 - December 2008
Federal University of Pará
Field of study
  • Computer Science
January 2002 - November 2005
Universidade da Amazônia (UNAMA)
Field of study
  • Computer Science

Publications

Publications (123)
Article
Full-text available
Multi-Access Edge Computing (MEC) reduces latency, provides high-bandwidth applications with real-time performance and reliability, supporting new applications and services for the present and future Beyond the Fifth Generation (B5G). Radio Network Information Service (RNIS) plays a crucial role in obtaining information from the Radio Access Networ...
Article
Full-text available
Multi-Access Edge Computing (MEC) represents the central concept that enables the creation of new applications and services that bring the benefits of edge computing to networks and users. By implementing applications and services at the edge, close to users and their devices, it becomes possible to take advantage of extremely low latency, substant...
Conference Paper
A crescente demanda por eficiência energética em ambientes urbanos, especialmente em cidades inteligentes, torna-se imperativa com a proliferação massiva de dispositivos IoTs nas redes 6G. Destacamos a relevância crítica da tecnologia LoRa para aplicações IoTs em ambientes urbanos, ressaltando a necessidade de otimizar parâmetros fundamentais, como...
Article
Full-text available
Citation: Meira, J.; Matos, G.; Perdigão, A.; Cação, J.; Resende, C.; Moreira, W.; Antunes, M.; Quevedo, J.; Moutinho, R.; Oliveira, J.; et al. Industrial Internet of Things over 5G: A Practical Implementation. Sensors 2023, 23, 5199. https://doi.org// 10.3390s23115199 Academic Editors: Salvatore Abstract: The next generation of mobile broadband co...
Conference Paper
Vehicle-to-everything (V2X) é uma tecnologia que envolve diversos elementos do transporte. A comunicação de veículos com pessoas, infraestrutura, rede, dispositivos e os veículos contemplam o V2X. A comunicação entre veículos e esses elementos permitem adquirir informações com maior agilidade, auxiliando na tomada de decisão dos veículos, além de c...
Article
Full-text available
The Internet of Things (IoT) is based on objects or "things" that have the ability to communicate and transfer data. Due to the large number of connected objects and devices, there has been a rapid growth in the amount of data that are transferred over the Internet. To support this increase, the heterogeneity of devices and their geographical distr...
Conference Paper
A sexta geração de redes móveis provavelmente deve incorporar diversas tecnologias e enfrentar várias dificuldades como deficiências na rede e segurança, deste modo, a integração do Multi-access Edge Computing (MEC) ao sistema 6G com a utilização de serviços como o Radio Network Information Service (RNIS) provê benefícios significativos. Portanto,...
Chapter
Content NIR Sensors Challenges and potential of NIR sensors to simplify the generation of nitrogen flow balances – Digital mapping of nitrogen cycles ..... 1 On Farm Validation of different NIR Sensors for Manure Sensing ..... 9 Combine Harvester Analysis of Combine Harvester Threshing Systems Across Different Climate Regions ..... 17 An interactiv...
Article
Full-text available
This article presents an approach to autonomous flight planning of Unmanned Aerial Vehicles (UAVs)-Drones as data collectors to the Internet of Things (IoT). We have proposed a model for only one aircraft, as well as for multiple ones. A clustering technique that extends the scope of the number of IoT devices (e.g., sensors) visited by UAVs is also...
Conference Paper
A agricultura 4.0 vem ganhando força no mercado brasileiro utilizando de tecnologias como Internet das Coisas, computação de borda móvel, Redes 5G, para impulsionar o desenvolvimento agropecuário e a economia do país. Com a utilização de diversas tecnologias e dispositivos interligados, cresce a grande quantidade de dados e requisitos rigorosos nec...
Article
Full-text available
Industry 4.0, allied with the growth and democratization of Artificial Intelligence (AI) and the advent of IoT, is paving the way for the complete digitization and automation of industrial processes. Maintenance is one of these processes, where the introduction of a predictive approach, as opposed to the traditional techniques, is expected to consi...
Article
Full-text available
The environment consists of the interaction between the physical, biotic, and anthropic means. As this interaction is dynamic, environmental characteristics tend to change naturally over time, requiring continuous monitoring. In this scenario, the internet of things (IoT), together with traditional sensor networks, allows for the monitoring of vari...
Chapter
Small-scale farming has an important role in agriculture. Driven by the popularization of the Internet of things (IoT), this paper presents an IoT sensing box prototype coupled with soil analysis through computer vision to help small-scale farmer improve their yields. The idea of combining image-based soil classification with regular soil sensors i...
Chapter
Machine learning, a subfield of artificial intelligence, has been widely used to automate tasks usually performed by humans. Some applications of these techniques are understanding network traffic behavior, predicting it, classifying it, fixing its faults, identifying malware applications, and preventing deliberate attacks. The goal of this work is...
Article
Full-text available
The population is getting old, and the use of technology has improved the quality of life of the senior population. This is confirmed by the increasing number of solutions targeting healthy and active ageing. Such solutions keep track of the daily routine of the elderly and combine it with other relevant information (e.g., biosignals, physical acti...
Article
Full-text available
Radio Access Networks (RAN), Edge Computing (EC), and Network Slicing are some of the critical components in 5G networks used to provide different transport services over the same infrastructure and to enable new features, e.g., low latency and context awareness. It is important to have tools for evaluating present and future applications over thes...
Article
Full-text available
Industry 4.0 and digital farming rely on modern communication and computation technologies such as the Internet of Things (IoT) to provide smart manufacturing and farming systems. Having in mind a scenario with a high number of heterogeneous connected devices, with varying technologies and characteristics, the deployment of Industry 4.0 and digital...
Article
Full-text available
Small-scale farming can benefit from the usage of information and communication technology (ICT) to improve crop and soil management and increase yield. However, in order to introduce digital farming in rural areas, related ICT solutions must be viable, seamless and easy to use, since most farmers are not acquainted with technology. With that in mi...
Article
Full-text available
Internet of Things (IoT) is evolving to multi-application scenarios in smart cities, which demand specific traffic patterns and requirements. Multi-applications share resources from a single multi-hop wireless networks, where smart devices collaborate to send collected data over a Low-Power and Lossy Networks (LLNs). Routing Protocol for LLNs (RPL)...
Article
Opportunistic Networks exploit portable handheld devices to collect delay-tolerant data from sensors to gateways for realizing various Smart City applications. To obtain knowledge for determining suitable routing paths as users go about their daily routine, nodes maintain history of every encounter and exchange the information through summary vecto...
Article
Full-text available
The paradigm of Content-Centric Networks (CCN) has been used in several networking application contexts in order to enhance the performance of data forwarding and retrieval. By disassociating device addressing from the packet routing process, CCN offers new message routing possibilities in network scenarios that are limited in this respect. An exam...
Article
Full-text available
A responsabilidade socioambiental vem ganhando, cada vez mais, especial atenção nos últimos anos. Não somente pelo tão falado aquecimento global, mas também pela desejada sustentabilidade do meio ambiente para as futuras gerações.
Preprint
Full-text available
In the context of social well-being and context awareness several eHealth applications have been focused on tracking activities, such as sleep or specific fitness habits, with the purpose of promoting physical well-being with increasing success. Sensing technology can, however, be applied to improve social well-being, in addition to physical well-b...
Chapter
Involving the citizens in their community dynamics and giving them an active role in tackling their main needs and reaching their expectations can be a successful recipe for a well-functioning society. In developing countries, this community strategy is even more important since these societies suffer from a lack of means that may compromise the ef...
Chapter
One of the main reasons for the still observed digital divide is the lack of communication infrastructure in regions away from urban centres. As these regions are normally spread over long distances and have small populations (i.e., prospective users), operators see little business opportunities and refrain from large investments to reach these are...
Chapter
The introduction of Information and Communication Technologies (ICT) in a society is known to influence its gross domestic product and human development index. Still, access to ICT is not universal, with the problem being further aggravated in developing countries. In order to fill in this digital divide gap, we present our Sustainable Villages for...
Article
Full-text available
Opportunistic networks (OppNets) provide a scalable solution for collecting delay‑tolerant data from sensors for their respective gateways. Portable handheld user devices contribute significantly to the scalability of OppNets since their number increases according to user population and they closely follow human movement patterns. Hence, OppNets fo...
Article
Full-text available
Widely deploying sensors in the environment and embedding them in physical objects is a crucial step towards realizing smart and sustainable cities. To cope with rising resource demands and limited budgets, opportunistic networks (OppNets) offer a scalable backhaul option for collecting delay-tolerant data from sensors to gateways in order to enabl...
Data
The rising human population in urban environments drives the mission towards smart cities, which envisions a wide deployment of sensors in order to improve the quality of living. In this regard, opportunistic networks (OppNets) present an economical means of collecting delay tolerant data from sensors to their respective gateways for providing vari...
Article
Full-text available
The rising human population in urban environments drives the mission towards smart cities, which envisions a wide deployment of sensors in order to improve the quality of living. In this regard, opportunistic networks (OppNets) present an economical means of collecting delay tolerant data from sensors to their respective gateways for providing vari...
Conference Paper
Full-text available
A Pocket Switched Network (PSN) is formed by users carrying portable handheld devices such as smartphones and tablets, which store messages, carry them from one point to another via physical movement, and forwards them when a communication opportunity arises. The success of the network thereby depends on the willingness of users to participate. PSN...
Chapter
Mobile devices (eg, smart phones or PDAs) are becoming increasingly popular. One important feature of such devices is the ability of users to take advantage of cloud-based solutions at their convenience. However, accessing cloud-based solutions in challenged environments is not so trivial, since such solutions rely on the availability of connectivi...
Conference Paper
Full-text available
In the context of social well-being and context awareness several eHealth applications have been focused on tracking activities, such as sleep or specific fitness habits, with the purpose of promoting physical well-being with increasing success. Sensing technology can, however, be applied to improve social well-being, in addition to physical well-b...
Research
Full-text available
The flexibility of wireless technologies is giving rise to new types of access networks and allowing the Internet to expand in a user-centric way. The European project ULOOP – User-centric Wireless Local Loop is investigating new ways of deploying Internet local loops by means of low-cost wireless technologies, where resource sharing is the basis f...
Conference Paper
Full-text available
Public safety plays an important role in what concerns the social welfare of citizens, thus impacting their quality of life. There are different mechanisms (e.g., police, firefighters) in place to help citizens feel safe, and the citizens themselves may have a more proactive posture (e.g., neighborhood watch). The proposed Android application, call...
Data
A pocket switched network (PSN) is dynamically formed by people who carry portable handheld devices. Interest in PSNs is driven by the increasing number of handheld devices, the several wireless interfaces they possess, as well as their ability to store, carry and forward data. The lack of fixed network topology distinguishes PSNs from traditional...
Conference Paper
The current Internet design falls short in scenarios characterized by intermittent connectivity and absence of supporting infrastructure. Pocket switched networking allows communication between portable handheld user devices in such environments through the store-carry-forward paradigm. This involves storing data in device memory, exploiting user m...
Technical Report
Full-text available
NSense, Nearness Sense: a tool developed to capture and to infer social interaction patterns. This document refer to deliverable D4.1 of the CitySense project (http://copelabs.ulusofona.pt/~citysense), which describe the version 1.0 of the NSense software suite (software version 1.3)
Technical Report
Full-text available
User devices have evolved in terms of processing, storage and built-in wireless communications technologies. Such evolution has allowed users to explore different ways for establishing communication among themselves. This technical report presents the high level design and operation flowcharts of Oi! (an Android messaging application) and SOCIO (a...
Technical Report
Full-text available
User devices have evolved in terms of processing, storage and built-in wireless communications technologies. Such evolution has allowed users to explore different ways for establishing communication among themselves. This technical report presents the high level design and operation flowcharts of Oi! (an Android messaging application) and SOCIO (a...
Technical Report
Full-text available
User devices have evolved in terms of processing, storage and built-in wireless communications technologies. Such evolution has allowed users to explore different ways for establishing communication among themselves. This technical report presents the high level design and operation flowcharts of Oi! (an Android messaging application) and SOCIO (a...
Technical Report
Full-text available
User devices have evolved in terms of processing, storage and built-in wireless communications technologies. Such evolution has allowed users to explore different ways for establishing communication among themselves. This technical report presents the high level design and operation flowcharts of Oi! (an Android messaging application) and SOCIO (a...
Technical Report
Full-text available
User devices have evolved in terms of processing, storage and built-in wireless communications technologies. Such evolution has allowed users to explore different ways for establishing communication among themselves. This technical report presents the high level design and operation flowcharts of Oi! (an Android messaging application) and SOCIO (a...
Article
A pocket switched network (PSN) is dynamically formed by people who carry portable handheld devices. Interest in PSNs is driven by the increasing number of handheld devices, the several wireless interfaces they possess, as well as their ability to store, carry and forward data. The lack of fixed network topology distinguishes PSNs from traditional...
Technical Report
Full-text available
Abstract--- In the context of social well-being and context awareness several eHealth applications have been focused on tracking activities, such as sleep or specific fitness habits, with the purpose of promoting physical well-being with increasing success. Sensing technology can, however, be applied to improve social well-being, in addition to phy...
Conference Paper
Full-text available
This demo presents Oi!, an opportunistic data transmission tool. Implemented on Android and available as open source, Oi! relies on social interaction, device-to-device short-range wireless transmission, as well as on history of contact duration to perform opportunistic data transmission. In this demo we show how Oi! can be used with intermittent I...
Technical Report
Full-text available
In the context of social well-being and context awareness several eHealth applications have been focused on tracking activities, such as sleep or specific fitness habits, with the purpose of promoting physical well-being with increasing success. Sensing technology can, however, be applied to improve social well-being, in addition to physical habits...
Data
This data set comprises experiments carried out with the COPELABS USENSE softrware. Devices were carried by people sharing the same affiliation during their daily routines (commuting between home and office, going to leisure activities, attending meetings in the office). Aall the data was collected each and every one minute. Social interaction and...
Article
Full-text available
Today, users can use their personal devices for a wide range of applications and services, such as controlling other devices, monitoring human physiological signals, or accessing information while on the move. Due to the communication and sensing capability of personal devices as well as embedded devices, their pervasive deployment and use may lead...
Technical Report
Full-text available
This document covers user requirements for the UMOBILE architecture, from the perspective of the end users. The goal is to ensure that there is an alignment on DTN as well as ICN requirements for end users, in order to support information or data-centricity. The mentioned requirements shall be integrated in the protocol stack located in end user de...
Technical Report
Full-text available
Cars, sensors, home appliances, every device in the daily life of citizens is becoming a constituent in Future Internet, adding to the need to reconsider requirements and assumptions in terms of network availability and affordability to support the ever increasing traffic demand. Still, the current Internet can only evolve adequately, if its infras...
Conference Paper
The exponential growth on the number of mobile devices and their capabilities are leveraging new possibilities of networking architectures for processing, storing, and exchanging of information. At a glance, existing architectures take advantage of these devices, the social behavior of their users, and/or the dynamicity on resource usage. Despite o...
Conference Paper
Full-text available
The advances in the areas of microelectronics and telecommunications are helping to materialize the vision of a pervasive computing model through the incorporation of sensors and communication interfaces into objects of everyday life. In recent years, there has been a growing interest in crowd assisted sensing applications, in which people serve as...
Conference Paper
Full-text available
Social-aware pervasive networks consider the users' social behavior to overcome intermittent end-to-end connectivity, inherent to this type of networking: forwarding decisions consider local knowledge about the behavior of nodes to predict future encounters. Complex Network Analysis (CNA) has been used to support contact prediction, by aggregating...
Article
Full-text available
Today, users can use their personal devices for a wide range of applications and services, such as controlling other devices, monitoring human physiological signals, or accessing information while on the move. Due to the communication and sensing capability of personal devices as well as embedded devices, their pervasive deployment and use may lead...