Paulo Portugal

100 papers B 6C 40Journal 34Unranked 19
YearRankTypeTitle / Venue / Authors
2025 — conf
A Multi-Domain Geospatial Framework for the Assessment of Urban Preparedness to Emergencies.
ISC2
João Carlos N. Bittencourt, Paulo Portugal, Daniel G. Costa
2025 — conf
Context-Aware Sensor Active Prioritization for Emergency Management in Smart Cities.
ISC2
João Carlos N. Bittencourt, Daniel G. Costa, Paulo Portugal
2025 C conf
From Fragmentation to Integration: A Framework for Heterogeneous IoT-based Smart City Systems.
ETFA
Tiago A. Amorim, João Carlos N. Bittencourt, Daniel G. Costa, Paulo Portugal
2025 C conf
On the Use of 5G Networks in IEC 61850-Based Electrical Substation Automation Systems.
ETFA
Ivan Lehmkuhl, Carlos Montez, Ricardo de Moraes, Hector Leon, Paulo Portugal
2024 J jnl
A Survey on Adaptive Smart Urban Systems.
IEEE Access
João Carlos N. Bittencourt, Daniel G. Costa, Paulo Portugal, Francisco Vasques
2024 J jnl
A geospatial multi-domain flood prediction tool exploiting open datasets.
Softw. Impacts
João Paulo Just Peixoto, Daniel G. Costa, Paulo Portugal, Francisco Vasques
2024 — conf
Evaluation of Machine Learning Methods for Fire Risk Assessment from Satellite Imagery.
EPIA (1)
João Carlos N. Bittencourt, Daniel G. Costa, Paulo Portugal, Francisco Vasques
2024 J jnl
Exploiting geospatial data of connectivity and urban infrastructure for efficient positioning of emergency detection units in smart cities.
Comput. Environ. Urban Syst.
João Paulo Just Peixoto, João Carlos N. Bittencourt, Thiago C. Jesus, Daniel G. Costa, Paulo Portugal, Francisco Vasques
2024 J jnl
Reliability and Detectability of Emergency Management Systems in Smart Cities under Common Cause Failures.
Sensors
Thiago C. Jesus, Paulo Portugal, Daniel G. Costa, Francisco Vasques
2023 J jnl
CityZones: A geospatial multi-tier software tool to compute urban risk zones.
SoftwareX
João Paulo Just Peixoto, Daniel G. Costa, Washington de J. S. da Franca Rocha, Paulo Portugal, Francisco Vasques
2023 — conf
Dependability and Quality-Aware Connectivity in Smart Cities Applications.
ISC2
Thiago C. Jesus, Daniel G. Costa, Paulo Portugal, Francisco Vasques, Wagner A. Ferreira
2023 — conf
Dynamic Sensor Configuration for Multi-target Emergency Detection in Smart Cities.
ISC2
João Carlos N. Bittencourt, Daniel G. Costa, Paulo Portugal, Francisco Vasques
2023 — conf
Enhancing the Computation of Risk Zones Based on Emergency-Related Infrastructure in Smart Cities.
ISC2
João Paulo Just Peixoto, Daniel G. Costa, Washington de J. S. da Franca Rocha, Paulo Portugal, Francisco Vasques
2022 J jnl
A Survey of Emergencies Management Systems in Smart Cities.
IEEE Access
Daniel G. Costa, João Paulo Just Peixoto, Thiago C. Jesus, Paulo Portugal, Francisco Vasques, Elivelton O. Rangel, Maycon L. M. Peixoto
2022 J jnl
A Survey on Monitoring Quality Assessment for Wireless Visual Sensor Networks.
Future Internet
Thiago C. Jesus, Daniel G. Costa, Paulo Portugal, Francisco Vasques
2022 — conf
A dependability-aware approach for dynamic mobile sink repositioning in smart cities applications.
ISC2
Thiago C. Jesus, Daniel G. Costa, Paulo Portugal, Francisco Vasques
2022 — conf
Optimizing the deployment of multi-sensors emergencies detection units based on the presence of response centers in smart cities.
ISC2
João Paulo Just Peixoto, Daniel G. Costa, Washington de J. S. da Franca Rocha, Paulo Portugal, Francisco Vasques
2021 — conf
A Mathematical Model to Evaluate Visual Sensing Coverage of Emergency Signs on Moving Vehicles.
ISC2
Daniel G. Costa, Francisco Vasques, Paulo Portugal
2020 J jnl
A Comprehensive Dependability Model for QoM-Aware Industrial WSN When Performing Visual Area Coverage in Occluded Scenarios.
Sensors
Thiago C. Jesus, Paulo Portugal, Daniel G. Costa, Francisco Vasques
2020 J jnl
A Distributed Multi-Tier Emergency Alerting System Exploiting Sensors-Based Event Detection to Support Smart City Applications.
Sensors
Daniel G. Costa, Francisco Vasques, Paulo Portugal, Ana Aguiar
2020 — conf
Automatic Assignment of Emergency Vehicles in Response to Sensors-based Generated Alarms in Smart City Scenarios.
ISC2
Daniel G. Costa, Francisco Vasques, Ana Aguiar, Paulo Portugal
2020 J jnl
FoV-Based Quality Assessment and Optimization for Area Coverage in Wireless Visual Sensor Networks.
IEEE Access
Thiago C. Jesus, Daniel G. Costa, Paulo Portugal, Francisco Vasques
2020 J jnl
Modelling Coverage Failures Caused by Mobile Obstacles for the Selection of Faultless Visual Nodes in Wireless Sensor Networks.
IEEE Access
Thiago C. Jesus, Daniel G. Costa, Paulo Portugal, Francisco Vasques, Ana Aguiar
2020 J jnl
On the Use of Cameras for the Detection of Critical Events in Sensors-Based Emergency Alerting Systems.
J. Sens. Actuator Networks
Daniel G. Costa, Francisco Vasques, Paulo Portugal, Ana Aguiar
2019 — conf
An artifact for X.509 digital certificates delivery.
SCCC
Ronald Martinez, Alain Alejo, Paulo Portugal, Álvaro Cuno, Fernando Zapata, Ricardo Saavedra
2019 C conf
Wireless visual sensor networks redeployment based on dependability optimization.
INDIN
Thiago C. Jesus, Daniel G. Costa, Paulo Portugal
2018 C conf
A Hybrid Beacon Scheduling Scheme to Allow the Periodic Reconfiguration of Large-scale Cluster-tree WSNs.
INDIN
Érico Leão, Vitor Vasconcelos, Paulo Portugal, Carlos Montez, Ricardo de Moraes
2018 — conf
An artifact for client-side cryptographic operations.
SCCC
Paulo Portugal, Miguel Pazo, Álvaro Cuno, Fernando Zapata, Ricardo Saavedra
2018 J jnl
Automated Methodology for Dependability Evaluation of Wireless Visual Sensor Networks.
Sensors
Thiago C. Jesus, Paulo Portugal, Francisco Vasques, Daniel G. Costa
2018 C conf
Multiple Mobile Sinks in Event-based Wireless Sensor Networks Exploiting Traffic Conditions in Smart City Applications.
INDIN
Emerson S. Oliveira, João Paulo Just Peixoto, Daniel G. Costa, Paulo Portugal
2018 C conf
On the Computing of Area Coverage by Visual Sensor Networks: Assessing Performance of Approximate and Precise Algorithms.
INDIN
Thiago C. Jesus, Daniel G. Costa, Paulo Portugal
2017 J jnl
A Temperature-Dependent Battery Model for Wireless Sensor Networks.
Sensors
Leonardo Martins Rodrigues, Carlos Montez, Ricardo de Moraes, Paulo Portugal, Francisco Vasques
2017 J jnl
Alternative Path Communication in Wide-Scale Cluster-Tree Wireless Sensor Networks Using Inactive Periods.
Sensors
Érico Leão, Carlos Montez, Ricardo de Moraes, Paulo Portugal, Francisco Vasques
2017 J jnl
CT-SIM: A simulation model for wide-scale cluster-tree networks based on the IEEE 802.15.4 and ZigBee standards.
Int. J. Distributed Sens. Networks
Érico Leão, Ricardo de Moraes, Carlos Montez, Paulo Portugal, Francisco Vasques
2017 J jnl
Estimating the Lifetime of Wireless Sensor Network Nodes through the Use of Embedded Analytical Battery Models.
J. Sens. Actuator Networks
Leonardo Martins Rodrigues, Carlos Montez, Gerson F. Budke, Francisco Vasques, Paulo Portugal
2017 J jnl
Superframe Duration Allocation Schemes to Improve the Throughput of Cluster-Tree Wireless Sensor Networks.
Sensors
Érico Leão, Carlos Montez, Ricardo de Moraes, Paulo Portugal, Francisco Vasques
2016 C conf
AdapTA: Adaptive timeslot allocation scheme for IEEE 802.15.4e LLDN mode.
INDIN
Benedito Bitencort, Ricardo de Moraes, Paulo Portugal, Francisco Vasques
2016 C conf
An allocation scheme for IEEE 802.15.4-ZigBee cluster-tree networks.
IECON
Érico Leão, Francisco Vasques, Paulo Portugal, Ricardo de Moraes, Carlos Montez
2016 C conf
Experimental validation of a battery model for low-power nodes in Wireless Sensor Networks.
WFCS
Leonardo Martins Rodrigues, Carlos Montez, Francisco Vasques, Paulo Portugal
2016 J jnl
Reliability Evaluation of Broadcast Protocols for FlexRay.
IEEE Trans. Veh. Technol.
Pedro F. Souto, Paulo Portugal, Francisco Vasques
2016 C conf
SAS: Slot allocation scheme for the IEEE 802.15.4e LLDN mode.
IECON
Benedito Bitencort, Francisco Vasques, Paulo Portugal, Ricardo de Moraes
2015 C conf
A framework to support dependability evaluation of WSNs from AADL models.
ETFA
Mara Martins, Paulo Portugal, Francisco Vasques
2015 J jnl
A scheme for slot allocation of the FlexRay Static Segment based on response time analysis.
Comput. Commun.
Rodrigo Lange, Francisco Vasques, Rômulo Silva de Oliveira, Paulo Portugal
2015 C conf
A sleep-scheduling scheme for enhancing QoS and network coverage in IEEE 802.15.4 WSN.
WFCS
Tiago Semprebom, Carlos Montez, Gustavo Medeiros de Araújo, Paulo Portugal
2015 C conf
Limitations of the IEEE 802.11 DCF, PCF, EDCA and HCCA to handle real-time traffic.
INDIN
Robson Costa, Paulo Portugal, Francisco Vasques, Carlos Montez, Ricardo de Moraes
2015 C conf
Optimal sensing redundancy for multiple perspectives of targets in wireless visual sensor networks.
INDIN
Daniel G. Costa, Ivanovitch M. D. Silva, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2015 J jnl
Research Trends in Wireless Visual Sensor Networks When Exploiting Prioritization.
Sensors
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2014 J jnl
An approach to implement data fusion techniques in wireless sensor networks using genetic machine learning algorithms.
Inf. Fusion
Alex R. Pinto, Carlos Montez, Gustavo Medeiros de Araújo, Francisco Vasques, Paulo Portugal
2014 C conf
An opportunistic approach to deal with real-time mesh communication in wireless sensor networks.
INDIN
Érico Leão, Francisco Vasques, Paulo Portugal, Carlos Montez
2014 J jnl
Availability Issues in Wireless Visual Sensor Networks.
Sensors
Daniel G. Costa, Ivanovitch M. D. Silva, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2014 C conf
Availability assessment of wireless visual sensor networks for target coverage.
ETFA
Daniel G. Costa, Ivanovitch M. D. Silva, Luiz Affonso Guedes, Paulo Portugal, Francisco Vasques
2014 — conf
Enhancing Redundancy in Wireless Visual Sensor Networks for Target Coverage.
WebMedia
Daniel G. Costa, Ivanovitch M. D. Silva, Luiz Affonso Guedes, Paulo Portugal, Francisco Vasques
2014 C conf
Evaluating the impact of uncontrolled traffic sources upon real-time communication in IEEE 802.11s mesh networks.
INDIN
Carlos M. D. Viegas, Francisco Vasques, Paulo Portugal
2014 C conf
Quality of service provision assessment for DDBP approach in IEEE 802.15.4 networks.
INDIN
Tiago Semprebom, Ricardo de Moraes, Carlos Montez, Paulo Portugal, Francisco Vasques
2014 J jnl
Real-time communication in IEEE 802.11s mesh networks: simulation assessment considering the interference of non-real-time traffic sources.
EURASIP J. Wirel. Commun. Netw.
Carlos M. D. Viegas, Francisco Vasques, Paulo Portugal, Ricardo de Moraes
2014 C conf
Relevance-based balanced sink mobility in wireless visual sensor networks.
INDIN
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2014 J jnl
Relevance-based partial reliability in wireless sensor networks.
EURASIP J. Wirel. Commun. Netw.
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2014 C conf
Selecting redundant nodes when addressing availability in wireless visual sensor networks.
INDIN
Daniel G. Costa, Ivanovitch M. D. Silva, Luiz Affonso Guedes, Paulo Portugal, Francisco Vasques
2014 C conf
Towards a reliability analysis of the design space for the communication subsystem of FT4FTT.
ETFA
David Gessner, Julián Proenza, Manuel Barranco, Paulo Portugal
2013 C conf
A framework for dependability evaluation of industrial processes.
ETFA
Daniel Macedo, Ivanovitch M. D. Silva, Luiz Affonso Guedes, Paulo Portugal, Francisco Vasques
2013 J jnl
A new MAC scheme specifically suited for real-time industrial communication based on IEEE 802.11e.
Comput. Electr. Eng.
Raimundo Viégas Junior, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal, Ricardo de Moraes
2013 J jnl
Adaptive Monitoring Relevance in Camera Networks for Critical Surveillance Applications.
Int. J. Distributed Sens. Networks
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2013 — conf
Delay-aware DWT-based image transmission in wireless visual sensor networks.
WebMedia
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2013 J jnl
Energy-Efficient Packet Relaying in Wireless Image Sensor Networks Exploiting the Sensing Relevancies of Source Nodes and DWT Coding.
J. Sens. Actuator Networks
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2013 C conf
GLHOVE: A framework for uniform coverage monitoring using cluster-tree wireless sensor networks.
ETFA
Mitchel S. Felske, Carlos Montez, Alex R. Pinto, Francisco Vasques, Paulo Portugal
2013 C conf
Partial energy-efficient hop-by-hop retransmission in wireless sensor networks.
INDIN
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2013 C conf
Polynomial Approximation of the Battery Discharge Function in IEEE 802.15.4 Nodes: Case Study of MicaZ.
WorldCIST
Odilson T. Valle, Andre V. Milack, Carlos Montez, Paulo Portugal, Francisco Vasques
2012 C conf
A dynamic communication approach for data fusion in IEEE 802.15.4 Wireless Sensor Networks.
ETFA
Gerson F. Budke, Carlos Montez, Ricardo de Moraes, Paulo Portugal
2012 — conf
A routing mechanism based on the sensing relevancies of source nodes for time-critical applications in visual sensor networks.
Wireless Days
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2012 — conf
A semi-reliable energy-efficient retransmission mechanism based on the sensing relevancies of source nodes for wireless image sensor networks.
ISWCS
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal, Odilson T. Valle
2012 C conf
An admission control mechanism to handle real-time traffic in IEEE 802.11 networks in open communication environments.
WFCS
Robson Costa, Paulo Portugal, Ricardo de Moraes, Francisco Vasques
2012 C conf
Assessment of the Interference caused by uncontrolled traffic sources upon real-time communication in IEEE 802.11-based mesh networks.
WFCS
Carlos M. D. Viegas, Silvio Sampaio, Francisco Vasques, Paulo Portugal, Pedro F. Souto
2012 C conf
Comparing RT-WiFi and HCCA approaches to handle real-time traffic in open communication environments.
ETFA
Robson Costa, Paulo Portugal, Francisco Vasques, Ricardo de Moraes
2012 C conf
Controlling multi-switch networks for prompt reconfiguration.
WFCS
Ricardo Marau, Moris Behnam, Zahid Iqbal, Pedro Silva, Luís Almeida, Paulo Portugal
2012 C conf
Dependability evaluation of WirelessHART best practices.
ETFA
Ivanovitch M. D. Silva, Luiz Affonso Guedes, Paulo Portugal, Francisco Vasques
2012 C conf
Energy-efficient packet relaying based on the sensing relevancies of source nodes in visual sensor networks.
WFCS
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2012 — conf
Expansion of the available use classes in IEEE 802.15.4 networks for usage in the industrial environment.
ISWCS
Odilson T. Valle, Carlos Montez, Paulo Portugal, Francisco Vasques, Daniel G. Costa
2012 C conf
Experimental evaluation of multiple retransmission schemes in IEEE 802.15.4 wireless sensor networks.
WFCS
Odilson T. Valle, Andre V. Milack, Carlos Montez, Paulo Portugal, Francisco Vasques
2012 C conf
Guaranteeing real-time message deadlines in the FlexRay static segment using a on-line scheduling approach.
WFCS
Rodrigo Lange, Francisco Vasques, Paulo Portugal, Rômulo Silva de Oliveira
2012 J jnl
Modeling the reliability of a group membership protocol for dual-scheduled time division multiple access networks.
Comput. Stand. Interfaces
Valério Rosset, Pedro F. Souto, Paulo Portugal, Francisco Vasques
2012 B conf
QoV: Assessing the monitoring quality in visual sensor networks.
WiMob
Daniel G. Costa, Luiz Affonso Guedes, Francisco Vasques, Paulo Portugal
2012 J jnl
Reliability and Availability Evaluation of Wireless Sensor Networks for Industrial Applications.
Sensors
Ivanovitch M. D. Silva, Luiz Affonso Guedes, Paulo Portugal, Francisco Vasques
2011 — conf
A Communication Approach for Parallel Data Fusion in IEEE 802.15.4 Wireless Sensor Networks.
SBESC
Gerson F. Budke, Carlos Montez, Ricardo de Moraes, Paulo Portugal
2011 B conf
A coordination layer to handle real-time communication in Wi-Fi networks with uncontrolled traffic sources.
LCN
Robson Costa, Paulo Portugal, Francisco Vasques, Ricardo de Moraes, Ricardo Felipe Custódio
2011 — conf
Exploring alternatives to scale FTT-SE to large networks.
SIES
Farahnaz Yekeh, Mostafa Pordel, Luís Almeida, Moris Behnam, Paulo Portugal
2011 C conf
Preliminary results on the assessment of WirelessHART networks in transient fault scenarios.
ETFA
Ivanovitch M. D. Silva, Luiz F. Guedes, Paulo Portugal, Francisco Vasques
2010 C conf
A TDMA-based mechanism for real-time communication in IEEE 802.11e networks.
ETFA
Robson Costa, Paulo Portugal, Francisco Vasques, Ricardo de Moraes
2010 J jnl
A forcing collision resolution approach able to prioritize traffic in CSMA-based networks.
Comput. Commun.
Ricardo de Moraes, Francisco Vasques, Paulo Portugal, Pedro F. Souto
2010 J jnl
Assessment of the IEEE 802.11e EDCA Protocol Limitations when Dealing with Real-Time Communication.
EURASIP J. Wirel. Commun. Netw.
Ricardo de Moraes, Paulo Portugal, Francisco Vasques, Ricardo Felipe Custódio
2010 J jnl
Survey of Real-Time Communication in CSMA-Based Networks.
Netw. Protoc. Algorithms
Ricardo de Moraes, Francisco Vasques, Paulo Portugal
2010 C conf
Towards a WirelessHART module for the ns-3 simulator.
ETFA
Marcelo Nobre, Ivanovitch M. D. Silva, Luiz Affonso Guedes, Paulo Portugal
2008 B conf
A 2-tier architecture to support real-time communication in CSMA-based networks.
NOMS
Ricardo de Moraes, Francisco Vasques, Paulo Portugal
2007 B conf
A Reliability Evaluation of a Group Membership Protocol.
SAFECOMP
Valério Rosset, Pedro F. Souto, Paulo Portugal, Francisco Vasques
2007 B conf
Real-Time Communication in IEEE 802.11 Networks: Timing Analysis and a Ring Management Scheme for the VTP-CSMA Architecture.
LCN
Ricardo de Moraes, Paulo Portugal, Stefano Vitturi, Francisco Vasques, Pedro F. Souto
2007 J jnl
VTP-CSMA: A Virtual Token Passing Approach for Real-Time Communication in IEEE 802.11 Wireless Networks.
IEEE Trans. Ind. Informatics
Ricardo de Moraes, Francisco Vasques, Paulo Portugal, José Alberto Fonseca
2006 C conf
A Stochastic Petri Net Model for the Simulation Analysis of the IEEE 802.11e EDCA Communication Protocol.
ETFA
Ricardo de Moraes, Paulo Portugal, Francisco Vasques
2006 B conf
Real-Time Communication in 802.11 Networks: The Virtual Token Passing VTP-CSMA Approach.
LCN
Ricardo de Moraes, Francisco Vasques, Paulo Portugal, José Alberto Fonseca
2006 C conf
Simulation Analysis of the IEEE 802.11e EDCA Protocol for an Industrially-Relevant Real-Time Communication Scenario.
ETFA
Ricardo de Moraes, Paulo Portugal, Francisco Vasques
2005 C conf
Assessment of PROFIBUS networks using a fault injection framework.
ETFA
J. A. Carvalho, A. S. Carvalho, Paulo Portugal
2005 — ch.
The GRAFCET Specification Language.
The Industrial Information Technology Handbook
Paulo Portugal, Adriano Carvalho