- Wireless Networks and Protocols
- Wireless Body Area Networks
- Vehicular Ad Hoc Networks (VANETs)
- Energy Efficient Wireless Sensor Networks
- IoT Networks and Protocols
- Traffic control and management
- Optical Wireless Communication Technologies
- UAV Applications and Optimization
- Real-Time Systems Scheduling
- Advanced Wireless Communication Technologies
- Context-Aware Activity Recognition Systems
- Autonomous Vehicle Technology and Safety
- Distributed Control Multi-Agent Systems
- Transportation Planning and Optimization
- Bluetooth and Wireless Communication Technologies
- Security in Wireless Sensor Networks
- Network Time Synchronization Technologies
- Air Traffic Management and Optimization
- Molecular Communication and Nanonetworks
- Ocular and Laser Science Research
- Petri Nets in System Modeling
- Wireless Communication Networks Research
- Advanced Authentication Protocols Security
- Flexible and Reconfigurable Manufacturing Systems
- Advanced Optical Network Technologies
Polytechnic Institute of Porto
2023-2025
Centre for Health Technology and Services Research
2022-2024
Instituto Superior de Engenharia do Porto
2023-2024
Prince Sultan University
2020
INESC TEC
2017-2020
Embedded Systems (United States)
2017
Over the past decade, Unmanned Aerial Vehicles (UAVs) have provided pervasive, efficient, and cost-effective solutions for data collection communications. Their excellent mobility, flexibility, fast deployment enable UAVs to be extensively utilized in agriculture, medical, rescue missions, smart cities, intelligent transportation systems. Machine learning (ML) has been increasingly demonstrating its capability of improving automation operation precision many UAV-assisted applications, such...
The advancements in information and communication technology the past decades have been converging into a new paradigm which everything is expected to be interconnected. Internet of Things, more than buzzword, becoming reality, finding its way industrial domain, enabling what now dubbed as Industry 4.0. Among several standards that help 4.0, IEEE 802.15.4e standard addresses requirements such increased robustness reliability. Although seems promising, still immature rather unproven. Also,...
WBAN (wireless body area networks) is an upcoming technology which stands to be a base for wearable and implantable sensors. The IEEE 802.15.6 formulates the physical medium access networks. Body networks can implemented in several applications like health monitoring, ambient living environments consumer electronics. This paper gives clear overview about functions of WBAN. layers are deeply examined studied this work. mechanisms protocol explained paper. A literature review has also been...
With an advancement towards the paradigm of Internet Things (IoT), in which every device will be interconnected and communicating with each other, field wireless sensor networks has helped to resolve ever-growing demand meeting deadlines reducing power consumption. Among several standards that provide support for IoT, recently published IEEE 802.15.4e protocol is specifically designed meet QoS requirements industrial applications. provides five Medium-Access Control (MAC) behaviors,...
Autonomous UAV cruising is gaining attention due to its flexible deployment in remote sensing, surveillance, and reconnaissance. A critical challenge data collection with the autonomous buffer overflows at ground sensors packet loss lossy airborne channels. Trajectory planning of vital alleviate as well channel fading. In this work, we propose a Deep Deterministic Policy Gradient based Cruise Control (DDPG-CC) reduce overall through online training headings cruise velocity UAV, selection for...
Recent advancements in the IoT domain have been pushing for stronger demands of Quality-of-Service (QoS) and particular improved determinism time-critical wireless communications under power constraints. The IEEE 802.15.4e standard protocol introduced several new MAC behaviors that provide enhanced reliable communications. Deterministic Synchronous Multichannel Extension (DSME) is one its prominent combines contention-based contention-free communication, guaranteeing bounded delays...
Deterministic Synchronous Multichannel Extension (DSME) is a prominent MAC behavior first introduced in IEEE 802.15.4e. It can avail deterministic and best effort Service using its multisuperframe structure. RPL routing protocol for wireless networks with low power consumption generally susceptible to packet loss. These two standards were designed independently but the common objective satisfy requirements of IoT devices terms limited energy, reliability determinism. A combination these...
Visible Light Communication (VLC) has been emerging as a promising technology to address the increasingly high data-rate and time-critical demands that Internet of Things (IoT) 5G paradigms impose on underlying Wireless Sensor Actuator Networking (WSAN) technologies. In this line, IEEE 802.15.7 standard proposes several physical layers Medium Access Control (MAC) sub-layer mechanisms support variety VLC applications. Particularly, at MAC sub-layer, it can contention-free communications using...
Securing wireless communication is significant for privacy and confidentiality of sensing data in Cyber-Physical Systems (CPS). However, due to broadcast nature radio channels, disseminating sensory vulnerable eavesdropping message modification. Generating secret keys by extracting the shared randomness a fading channel promising way improve security. In this poster, we present novel key generation protocol securing real-time dissemination CPS, where sensor nodes cooperatively generate...
In wireless powered sensor networks (WPSN), data of ground sensors can be collected or relayed by an unmanned aerial vehicle (UAV) while the battery charged via power transfer. A key challenge resource allocation in UAV-aided WPSN is to prevent drainage and buffer overflow presence highly dynamic lossy airborne channels which result packet reception errors. Moreover, state action spaces problem are large, hardly explored online. To address challenges, a new data-driven deep reinforcement...
Visible Light Communication (VLC) has the potential to revolutionize various aspects of healthcare industry. VLC's capability achieve high data rates, reaching several megabits per second, renders it ideal for meeting strict communication requirements and ensuring dependable transmission within environments. The Radio Frequency (RF) currently used in settings suffers from interference latency. In a VLC-enabled network, information is transferred by modifying visible light spectrum, which...
Deterministic Synchronous Multichannel Extension (DSME) is a prominent MAC behavior first introduced in IEEE 802.15.4e supporting deterministic guarantees using its multisuperframe structure. DSME also facilitates techniques like multi-channel and Contention Access Period (CAP) reduction to increase the number of available guaranteed timeslots network. However, any tuning these functionalities dynamic scenarios not explored standard. In this paper, we present technique called DynaMO which...
Deterministic Synchronous Multichannel Extension (DSME) is a prominent MAC behavior first introduced in IEEE 802.15.4e that supports deterministic guarantees using its multisuperframe structure. DSME also facilitates techniques like multi-channel and CAP reduction help to increase the number of available guaranteed timeslots network. However, no tuning these functionalities dynamic scenarios supported standard. In this paper, we present an effective technique helps utilize manner improving...
Wireless Sensor Networks have been enabling an ever increasing span of applications and usages in the industrial, domestic commercial domains. Recent advancements information communication technologies fueling pervasiveness ubiquity this infrastructures, making them obvious candidate to support future Internet Things. Among prospective applications, however, there are those which present strict requirements terms timeliness reliability, specially industrial domain. To address these, IEEE...
The ongoing amalgamation of UAV and ML techniques is creating a significant synergy empowering UAVs with unprecedented intelligence autonomy. This survey aims to provide timely comprehensive overview used in operations communications identify the potential growth areas research gaps. We emphasise four key components which can significantly contribute, namely, perception feature extraction, interpretation regeneration, trajectory mission planning, aerodynamic control operation. classify...
Intersections are critical elements of urban traffic management and identified as bottlenecks prone to congestion accidents. Intelligent intersection plays a significant role in improving efficiency safety determining, among other metrics, the waiting time that vehicles incur when crossing an intersection. This work presents preliminary analysis worst-case response protocols handle mixed with autonomous human-driven vehicles. We deduce theoretical bounds for such considered interval between...
Operating autonomous vehicles (AVs) and human-driven (HVs) at urban intersections while observing requirements of safety service level is complex due not only to the existence multiple inflow outflow lanes, conflicting crossing zones, low-speed conditions but also differences between control mechanisms HVs AVs. Intelligent intersection management (IIM) strategies can tackle coordination mixed AV/HV improving throughput reducing travel delays fuel wastage in average case. An endeavor relevant...
Visible Light Communication (VLC) is an emerging technology that uses light sources such as light-emitting diodes (LEDs) and lasers for data transmission. This enabled by the IEEE 802.15.7 protocol, which supports deterministic communication through its guaranteed timeslot mechanism. VLC networks provide several advantages in terms of high bandwidth, security, immunity to electromagnetic interference. Most works are centred around point-to-point do not necessarily emphasis on challenges due...