Sérgio Ivan Lopes

60 papers B 6C 4Journal 17Unranked 31

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	Non-Invasive Digital Technologies on the Biomechanical Behavior of Office Users, Literature Review. BIOSTEC (4) Mário Gomes, Jorge Ribeiro, Cristiano Jesus, Sérgio Ivan Lopes
2025	—	`conf`	Cognitive Cells and Human-Robot Interaction in Industry 5.0: an Overview. CiST Ivan Amorim, Sérgio Ivan Lopes
2025	B	`conf`	Collaborative Indoor Positioning: A Machine Learning Approach for Dynamic Environments with Autonomous Mobile Robots. SMC Azin Moradbeikie, Ivan Amorim, Rolando Azevedo, Cristiano Jesus, David Beserra, Sérgio Ivan Lopes
2025	—	`conf`	Edge-AI Technologies for Real-Time Industrial Object Identification and Tracking: An Overview. CiST Shadi Mahmoodi Khaniabadi, Salviano Soares, Sérgio Ivan Lopes
2025	J	`jnl`	Enhancing LoRaWAN Localization in Industrial Environments: Merging Path-Loss Modeling, Extended Kalman Filtering and Map-Matching. IEEE Access Azin Moradbeikie, Ahmad Keshavarz, Sérgio Ivan Lopes
2025	B	`conf`	Indoor Localization in a Collaborative BLE-Based System Through Dynamic Path Loss Estimation via Location Aware Autonomous Mobile Robot. SMC Azin Moradbeikie, Rolando Azevedo, Cristiano Jesus, David Beserra, Sérgio Ivan Lopes
2025	—	`conf`	Industrial Communication Networks (ICNets) in the Industry 5.0 Era: A QoS-Centric Perspective. CiST Daniel S. Barros, António M. R. Da Cruz, Sérgio Ivan Lopes
2025	J	`jnl`	Towards a Blockchain and Opportunistic Edge Driven Metaverse of Everything. IT Prof. Paula Fraga-Lamas, Sérgio Ivan Lopes, Tiago M. Fernández-Caramés
2024	J	`jnl`	A Cost-Effective Thermal Imaging Safety Sensor for Industry 5.0 and Collaborative Robotics. CoRR Daniel Barros, Paula Fraga-Lamas, Tiago M. Fernández-Caramés, Sérgio Ivan Lopes
2024	J	`jnl`	An Overview of Blockchain for Industry 5.0: Towards Human-Centric, Sustainable and Resilient Applications. IEEE Access Paula Fraga-Lamas, Tiago M. Fernández-Caramés, António Miguel Rosado da Cruz, Sérgio Ivan Lopes
2024	J	`jnl`	CoViS: A Contactless Health Monitoring System for the Nursing Home. IEEE Access Sérgio Ivan Lopes, Fábio Silva, Pedro Pinho, Paulo Marques, Carlos Abreu, João Milheiro, Bruno Braga, Gabriel Queirós, Rita Almeida, Nuno Borges Carvalho
2024	J	`jnl`	IoT Architectures for Indoor Radon Management: A Prospective Analysis. CoRR Óscar Blanco-Novoa, Paulo Barros, Paula Fraga-Lamas, Sérgio Ivan Lopes, Tiago M. Fernández-Caramés
2024	C	`conf`	Predictive Technologies and Methodologies for Human Operator Assessment in Industry 5.0: A Conceptual Framework. ETFA Marco Martinelli, Sérgio Ivan Lopes, Mauro Migliardi
2024	—	`conf`	RSSI-Based Localization in Industrial Environments: A Wi-Fi/BLE Hybrid Approach. ICIT Azin Moradbeikie, Rolando Azevedo, Cristiano Jesus, Sérgio Ivan Lopes
2024	J	`jnl`	Towards a Blockchain and Opportunistic Edge Driven Metaverse of Everything. CoRR Paula Fraga-Lamas, Sérgio Ivan Lopes, Tiago M. Fernández-Caramés
2023	J	`jnl`	A cost-effective LoRaWAN-based IoT localization method using fixed reference nodes and dual-slope path-loss modeling. Internet Things Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes
2023	—	`conf`	Adopting Industry 4.0 and Lean Practices in Heavy Metalworking: Impact of Human Factors on Productivity. WorldCIST (3) Cristiano Jesus, Eduardo Pontes, Rui M. Lima, Sérgio Ivan Lopes
2023	—	`conf`	Hybrid Building Occupancy Estimation using Thermal Imaging and Environmental Sensing. ICIT Daniel S. Barros, António M. R. Da Cruz, Sérgio Ivan Lopes
2023	—	`conf`	Improving BLE Fingerprint Radio Maps: A Method based on Fuzzy Clustering and Weighted Interpolation. IIoT-NETs@SIGCOMM Hannaneh Barahouei Pasandi, Azin Moradbeikie, Daniel Barros, David Verde, Sara Paiva, Sérgio Ivan Lopes
2023	—	`conf`	Improving LoRaWAN Fingerprint-Based Localization by Detecting and Eliminating Noisy RSSI Measurements. WF-IoT Asma Haghighat, Zahra Sirous, Azin Moradbeikie, Ahmad Keshavarz, Sérgio Ivan Lopes
2023	—	`conf`	RELIANCE: A Reliable and Power Efficient LoRaWAN Optimization Approach for IoT Systems. WF-IoT Ebrahim Darabi, Azin Moradbeikie, Ahmad Keshavarz, Sérgio Ivan Lopes
2022	B	`conf`	A Cost-effective Infrared Thermographic System for Diabetic Foot Screening. WiMob André Rocha, Sérgio Ivan Lopes, Carlos Abreu
2022	J	`jnl`	A Hybrid Framework for Visual Positioning: Combining Convolutional Neural Networks with Ontologies. EAI Endorsed Trans. Energy Web Abdolreza Mosaddegh, Sérgio Ivan Lopes, Habib Rostami, Ahmad Keshavarz, Sara Paiva
2022	—	`conf`	Exploiting Physical Layer Vulnerabilities in LoRaWAN-based IoT Networks. WF-IoT Nuno Torres, Pedro Pinto, Sérgio Ivan Lopes
2022	J	`jnl`	Low-Cost Traffic Sensing System Based on LoRaWAN for Urban Areas. CoRR Hannaneh Barahouei Pasandi, Asma Haghighat, Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes
2022	—	`conf`	Low-cost traffic sensing system based on LoRaWAN for urban areas. EmergingWireless@CoNEXT Hannaneh Barahouei Pasandi, Asma Haqiqat, Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes
2022	J	`jnl`	Mist and Edge Computing Cyber-Physical Human-Centered Systems for Industry 5.0: A Cost-Effective IoT Thermal Imaging Safety System. CoRR Paula Fraga-Lamas, Daniel Barros, Sérgio Ivan Lopes, Tiago M. Fernández-Caramés
2022	J	`jnl`	Mist and Edge Computing Cyber-Physical Human-Centered Systems for Industry 5.0: A Cost-Effective IoT Thermal Imaging Safety System. Sensors Paula Fraga-Lamas, Daniel Barros, Sérgio Ivan Lopes, Tiago M. Fernández-Caramés
2022	—	`ed.`	Science and Technologies for Smart Cities - 7th EAI International Conference, SmartCity360°, Virtual Event, December 2-4, 2021, Proceedings SmartCity360° Sara Paiva, Xuejun Li, Sérgio Ivan Lopes, Nishu Gupta, Danda B. Rawat, Asma Patel, Hamid Reza Karimi
2022	C	`conf`	Towards Indoor Radon Analytics: An OLAP-based Multidimensional Approach. DATA Rolando Azevedo, Joaquim P. Silva, Nuno Lopes, António Curado, Leonel J. R. Nunes, Sérgio Ivan Lopes
2021	B	`conf`	Assessment of Low-Cost Infrared Thermography Systems for Medical Screening in Nursing Homes. WiMob Bruno Braga, Gabriel Queirós, Carlos Abreu, Sérgio Ivan Lopes
2021	B	`conf`	Contactless Smart Screening in Nursing Homes: an IoT-enabled solution for the COVID-19 era. WiMob Sérgio Ivan Lopes, Pedro Pinho, Paulo Marques, Carlos Abreu, Nuno Borges Carvalho, José Ferreira
2021	—	`conf`	Crowd Quantification with Flow Direction Estimation: a Low-Cost IoT-enabled Solution. GCAIoT Ricardo Santil, Bruno Gomes, Sara Paiva, Sérgio Ivan Lopes
2021	—	`conf`	Designing a FIWARE-Based Smart Campus with IoT Edge-Enabled Intelligence. WorldCIST (3) Pedro Martins, Sérgio Ivan Lopes, António Curado
2021	—	`conf`	Evaluation of a Low-Cost COTS Bio Radar for Vital Signs Monitoring. ISC2 Fábio Silva, Rita Almeida, Pedro Pinho, Paulo Marques, Sérgio Ivan Lopes
2021	—	`conf`	Fostering Sustainability on Campus: Design of an IoT-Enabled Smartbottle for Plastic Reduction in the Academic Environment. AHFE (19) João Mendes, Ana Filomena Curralo, António Curado, Sérgio Ivan Lopes
2021	J	`jnl`	Green IoT and Edge AI as Key Technological Enablers for a Sustainable Digital Transition towards a Smart Circular Economy: An Industry 5.0 Use Case. Sensors Paula Fraga-Lamas, Sérgio Ivan Lopes, Tiago M. Fernández-Caramés
2021	—	`conf`	Identification and Classification of Human Body Parts for Contactless Screening Systems: An Edge-AI Approach. SmartCity360° Diogo Rocha, Pedro Rocha, Jorge Ribeiro, Sérgio Ivan Lopes
2021	—	`conf`	Improvement of RSSI-Based LoRaWAN Localization Using Edge-AI. SmartCity360° Azin Moradbeikie, Ahmad Keshavarz, Habib Rostami, Sara Paiva, Sérgio Ivan Lopes
2021	—	`ed.`	Science and Technologies for Smart Cities - 6th EAI International Conference, SmartCity360° Virtual Event, December 2-4, 2020, Proceedings SmartCity360° Sara Paiva, Sérgio Ivan Lopes, Rafik Zitouni, Nishu Gupta, Sérgio F. Lopes, Takuro Yonezawa
2021	—	`conf`	Security in V2X Communications: A Comparative Analysis of Simulation/Emulation Tools. SmartCity360° João Silva, Luis Barreto, Sérgio Ivan Lopes
2021	J	`jnl`	Wearables and Internet of Things (IoT) Technologies for Fitness Assessment: A Systematic Review. Sensors João Passos, Sérgio Ivan Lopes, Filipe Manuel Clemente, Pedro Miguel Moreira, Markel Rico-González, Pedro Bezerra, Luís Paulo Rodrigues
2020	J	`jnl`	Challenges in Resource-Constrained IoT Devices: Energy and Communication as Critical Success Factors for Future IoT Deployment. Sensors Felisberto Pereira, Ricardo Correia, Pedro Pinho, Sérgio Ivan Lopes, Nuno Borges Carvalho
2020	—	`conf`	Low-Cost LoRa-Based IoT Edge Device for Indoor Air Quality Management in Schools. SmartCity360° António Abreu, Sérgio Ivan Lopes, Vitor Manso, António Curado
2020	J	`jnl`	RnProbe: A LoRa-Enabled IoT Edge Device for Integrated Radon Risk Management. IEEE Access Felisberto Pereira, Sérgio Ivan Lopes, Nuno Borges Carvalho, António Curado
2019	—	`conf`	A Visual Analytics Approach for Effective Radon Risk Perception in the IoT Era. SmartCity360° Sérgio Ivan Lopes, Sanne Bogers, Pedro Miguel Moreira, António Curado
2019	—	`conf`	Design of a Cost-Effective Multimodal IoT Edge Device for Building Occupancy Estimation. ISC2 Felisberto Pereira, Sérgio Ivan Lopes, Nuno Borges Carvalho
2019	—	`conf`	RnMonitor: An IoT-Enabled Platform for Radon Risk Management in Public Buildings. SmartCity360° Pedro Martins, Sérgio Ivan Lopes, Felisberto Pereira, António Curado
2019	—	`conf`	RnMonitor: a WebGIS-based platform for expedite in situ deployment of IoT edge devices and effective Radon Risk Management. ISC2 Sérgio Ivan Lopes, Pedro Miguel Moreira, António M. Cruz, Pedro Martins, Felisberto Pereira, António Curado
2019	—	`conf`	Short-Term Indoor Radon Gas Study in a Granitic School Building: A Comparative Analysis of Occupation Periods. SmartCity360° Rolando Azevedo, Joaquim P. Silva, Nuno Lopes, António Curado, Sérgio Ivan Lopes
2018	—	`conf`	Design of Compact LoRa Devices for Smart Building Applications. GreeNets Sérgio Ivan Lopes, Felisberto Pereira, José M. N. Vieira, Nuno Borges Carvalho, António Curado
2018	—	`conf`	On the design of a Human-in-the-Loop Cyber-Physical System for online monitoring and active mitigation of indoor Radon gas concentration. ISC2 Sérgio Ivan Lopes, António Miguel Rosado da Cruz, Pedro Miguel Moreira, Carlos Abreu, Joaquim P. Silva, Nuno Lopes, José M. N. Vieira, António Curado
2017	—	`conf`	Ubiquitous Environmental Monitoring as Decision Tool - MONITAR SENSE: An Environmental Tool. SMARTGREENS Paulo Pinho, Sérgio Ivan Lopes, Gabriel Rodrigues, Pedro Colaço
2016	C	`conf`	Doppler resilient modulation in a CDMA-based acoustic local positioning system. IPIN Daniel Filipe Albuquerque, José Manuel Neto Vieira, Sérgio Ivan Lopes, Teodoro Aguilera, Fernando J. Álvarez
2016	C	`conf`	High energy OFDM pulse design algorithm for acoustic ToF ranging and localization. IPIN Daniel Filipe Albuquerque, José Manuel Neto Vieira, Sérgio Ivan Lopes, Teodoro Aguilera, Fernando J. Álvarez
2015	J	`jnl`	Accurate smartphone indoor positioning using a WSN infrastructure and non-invasive audio for TDoA estimation. Pervasive Mob. Comput. Sérgio Ivan Lopes, José M. N. Vieira, João Reis, Daniel Filipe Albuquerque, Nuno Borges Carvalho
2015	—	`conf`	Analysis of the perceptual impact of high frequency audio pulses in smartphone-based positioning systems. ICIT Sérgio Ivan Lopes, José M. N. Vieira, Daniel Filipe Albuquerque
2015	—	`conf`	Characterization of the Near-Far problem in a CDMA-based acoustic localization system. ICIT Teodoro Aguilera, Fernando J. Álvarez, Almudena Sánchez, Daniel Filipe Albuquerque, José Manuel Neto Vieira, Sérgio Ivan Lopes
2012	B	`conf`	High Accuracy 3D Indoor Positioning Using Broadband Ultrasonic Signals. TrustCom Sérgio Ivan Lopes, José Manuel Neto Vieira, Daniel Filipe Albuquerque
2012	—	`conf`	MobiFree: A Set of Electronic Mobility Aids for the Blind. DSAI Sérgio Ivan Lopes, José Manuel Neto Vieira, Óscar F. F. Lopes, Pedro R. M. Rosa, Nuno A. S. Dias