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Sobre

Sobre

Manuel Alberto Pereira Ricardo é Licenciado (1988) e Doutor (2000) em Engenharia Eletrotécnica e de Computadores, ramo de Telecomunicações, pela Faculdade de Engenharia da Universidade do Porto (FEUP). Atualmente Manuel Ricardo é professor catedrático da FEUP onde leciona unidades curriculares de Comunicações Móveis e Redes de Computadores nos cursos de mestrado e de doutoramento em Engenharia Eletrotécnica e de Computadores, Engenharia Informática e de Computação e Telecomunicações. É membro da Comissão Executiva do DEEC da FEUP e do Conselho Científico do Programa Doutoral em Engenharia Eletrotécnica e de Computadores. Ao longo do seu percurso profissional coordenou no INESC TEC a área de Wireless Networks (2001-2011), o Centro de Telecomunicações e Multimédia (2011-2018), foi Administrador do INESC TEC (2018-2021), sendo atualmente diretor associado deste instituto com foco nas telecomunicações. Criou a Rede Temática nacional de Comunicações Móveis (RTCM, 2004). É membro do “Steering Committee” do consórcio do simulador de redes de comunicações ns-3. Participou em 30+ projetos de investigação e tem 150+ artigos publicados. As suas áreas de investigação são as redes de comunicações móveis, qualidade de serviço, gestão de recursos rádio, controlo de congestionamento de redes, caracterização de tráfego e avaliação de desempenho.

Tópicos
de interesse
Detalhes

Detalhes

025
Publicações

2023

Traffic-aware gateway placement and queue management in flying networks

Autores
Coelho, A; Campos, R; Ricardo, M;

Publicação
AD HOC NETWORKS

Abstract
Unmanned Aerial Vehicles (UAVs) have emerged as adequate platforms to carry communications nodes, including Wi-Fi Access Points and cellular Base Stations. This has led to the concept of flying networks composed of UAVs as a flexible and agile solution to provide on-demand wireless connectivity anytime, anywhere. However, state of the art works have been focused on optimizing the placement of the access network providing connectivity to ground users, overlooking the backhaul network design. In order to improve the overall Quality of Service (QoS) offered to ground users, the placement of Flying Gateways (FGWs) and the size of the queues configured in the UAVs need to be carefully defined to meet strict performance requirements. The main contribution of this article is a traffic-aware gateway placement and queue management (GPQM) algorithm for flying networks. GPQM takes advantage of knowing in advance the positions of the UAVs and their traffic demand to determine the FGW position and the queue size of the UAVs, in order to maximize the aggregate throughput and provide stochastic delay guarantees. GPQM is evaluated by means of ns-3 simulations, considering a realistic wireless channel model. The results demonstrate significant gains in the QoS offered when GPQM is used.

2023

Wireless technologies towards 6G

Autores
Campos, R; Ricardo, M; Pouttu, A; Correia, LM;

Publicação
EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING

Abstract
This Special Issue originates from the international conference 2021 Joint EuCNC & 6G Summit (Joint European Conference on Networks and Communications and 6G Summit), which was held in June 2021 in virtual format. The Technical Programme Chairs of the conference selected the best papers and invited authors to submit an extended version of their paper by at least one-third of their length. Only the top ranked papers were invited to this Special Issue, in order to fulfil its purpose. The main target was to collect and present quality research contributions in the most recent activities related to technologies, systems and networks beyond 5G. Through this Special Issue, the state-of-the-art is presented and the new challenges highlighted, regarding the latest advances on systems and network perspectives that are already being positioned beyond 5G, bridging as well with the evolution of 5G, including applications and trials. Therefore, the motivation for this Special Issue is to present the latest and finest results on the evolution of research of mobile and wireless communications, coming, but not exclusively (since Joint EuCNC & 6G Summit is a conference open to the whole research community), from projects co-financed by the European Commission within its R&D programmes.

2023

UAV-Assisted Wireless Communications: An Experimental Analysis of Air-to-Ground and Ground-to-Air Channels in Open Environments

Autores
Shafafi, K; Almeida, EN; Coelho, A; Fontes, H; Ricardo, M; Campos, R;

Publicação
CoRR

Abstract

2023

Wireless technologies towards 6G

Autores
Campos, R; Ricardo, M; Pouttu, A; Correia, LM;

Publicação
EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING

Abstract
This Special Issue originates from the international conference 2021 Joint EuCNC & 6G Summit (Joint European Conference on Networks and Communications and 6G Summit), which was held in June 2021 in virtual format. The Technical Programme Chairs of the conference selected the best papers and invited authors to submit an extended version of their paper by at least one-third of their length. Only the top ranked papers were invited to this Special Issue, in order to fulfil its purpose. The main target was to collect and present quality research contributions in the most recent activities related to technologies, systems and networks beyond 5G. Through this Special Issue, the state-of-the-art is presented and the new challenges highlighted, regarding the latest advances on systems and network perspectives that are already being positioned beyond 5G, bridging as well with the evolution of 5G, including applications and trials. Therefore, the motivation for this Special Issue is to present the latest and finest results on the evolution of research of mobile and wireless communications, coming, but not exclusively (since Joint EuCNC & 6G Summit is a conference open to the whole research community), from projects co-financed by the European Commission within its R&D programmes.

2023

Position-Based Machine Learning Propagation Loss Model Enabling Fast Digital Twins of Wireless Networks in ns-3

Autores
Almeida, EN; Fontes, H; Campos, R; Ricardo, M;

Publicação
Proceedings of the 2023 Workshop on ns-3, WNS3 2023, Arlington, VA, USA, June 28-29, 2023

Abstract

Teses
supervisionadas

2022

Traffic-aware Management of Communications Resources in Flying Networks

Autor
André Filipe Pinto Coelho

Instituição
UP-FEUP

2022

Topology Control of Flying Backhaul Mesh Networks

Autor
Eduardo Nuno Moreira Soares de Almeida

Instituição
UP-FEUP

2022

A MAC Layer for Underwater Radio Communications

Autor
Filipe Borges Teixeira

Instituição
UP-FEUP

2022

Control and Positioning of a 5G Radio Access Node Deployed in a Mobile Robotic Platform

Autor
David Miguel de Almeida Coimbra Maia

Instituição
UP-FEUP

2022

Shaping the Internet: practices that restrict users' informational access

Autor
Hermann Bergmann Garcia e Silva

Instituição
UP-FEUP