- Energy Harvesting in Wireless Networks
- Energy Efficient Wireless Sensor Networks
- Innovative Energy Harvesting Technologies
- Autonomous Vehicle Technology and Safety
- Opportunistic and Delay-Tolerant Networks
- Green IT and Sustainability
- IoT and Edge/Fog Computing
- Experimental Learning in Engineering
- Vehicular Ad Hoc Networks (VANETs)
- IoT-based Smart Home Systems
- Smart Grid Security and Resilience
- Indoor and Outdoor Localization Technologies
- Vehicle Dynamics and Control Systems
- Wireless Power Transfer Systems
- Consumer Retail Behavior Studies
- Water Quality Monitoring Technologies
- Wireless Body Area Networks
- Distributed Sensor Networks and Detection Algorithms
- Remote Sensing and LiDAR Applications
- Cooperative Communication and Network Coding
- Security in Wireless Sensor Networks
- Wireless Networks and Protocols
- Inertial Sensor and Navigation
- Context-Aware Activity Recognition Systems
- RFID technology advancements
Linz Center of Mechatronics (Austria)
2014-2024
Virtual Vehicle (Austria)
2023
Progress (Ireland)
2021
Graz University of Technology
2010-2019
Institut für Technische und Angewandte Physik (Germany)
2012
Institute of Informatics of the Slovak Academy of Sciences
2010
A spectacular measurement campaign was carried out on a real-world motorway stretch of Hungary with the participation international industrial and academic partners. The resulted in vehicle based infrastructure sensor data that will be extremely useful for future automotive R&D activities due to available ground truth static dynamic content. aim twofold. On one hand, road geometry mapped high precision order build Ultra High Definition (UHD) map test road. other vehicles—equipped...
Wireless Sensor Networks (WSNs) are at the verge of a broad acceptance in demanding industrial applications. Nodes must fulfill key requirements like reliability and deterministic communication, but also energy autarky order to allow maintenance-free systems. In this paper system combining low power, robust communication with appropriate methods for harvesting management is suggested. By comparing two alternative variants power-management, constraints solar-cell powered node design derived....
Energy efficiency is very important for mobile devices and wireless sensor networks (WSNs), because the consumable energy limited. Therefore, operating time of such depends mainly on capacity storage component average power consumption device. The supply voltage activated components hardware. This work presents evaluation component-aware dynamic scaling (CADVS). low technique combines power-down unused minimization voltage. Typically, each hardware (microcontroller, transceiver, sensors) has...
Wireless measurement systems will provide significant benefits to industrial applications, for production facilities as well in mobile or R&D scenarios. However, order exploit the improvements by flexibility, scalability and easy reconfigurability brought wireless sensor networks (WSN), use cases often require a sustainable autonomous energy supply, while providing reliability which is comparable with today's wired systems. In this work we introduce node implementation temperature circuit...
Wireless sensor network (WSN) nodes have to cope with severe power supply constraints. Energy harvesting system (EHS) technology is used for prolonging lifetime. Robust operation of such systems heavily relies on accurate models EHS efficiency and node dissipation calculating sustainable modes. A node's energy balance can be described a state model (PSM). While battery operated WSNs PSM measurement errors effects considered, this paper widens the point view properties. We analyze varying...
The digital world offers ample availability of data, both historic and real-time. While this capability has the potential for better decision making, contrary can be case a human actuator. Information overflow causes mental overload rather than empowerment choice. In context traditional supermarket shopping, example, customers are exposed to unstructured complex product information including ingredients, nutrition facts, labels, more. Processing all in multiple sustainability aspects...
Wireless sensor networks (WSNs) suffer from the lack of wired infrastructure. Each node needs its own power supply, e.g. batteries or energy harvesting systems (EHSs). Typically, EHSs can extend lifetime a even enable perpetual operation. Due to high variation harvestable environment, design has be done very carefully. The process enhanced by using simulation WSN including harvesting. However, realistic accurate data environment. This paper presents concept an on-site characterization...
Energy harvesting systems (EHSs) are the key to perpetual operation of electronic devices in application areas with bad infrastructure or mobility. Wireless sensor networks (WSNs) often used such areas. Normal WSN nodes powered by batteries. Therefore, lifetime is limited and batteries have be replaced manually after a certain period time. This problem can solved EHSs. They exploit energy sources environment store harvested buffers. The EHS supplies device ensures continuous operation. WSNs...
Wireless sensor networks (WSN) continuously enhance processing capabilities and miniaturization. However, there exists a design gap to energy bandwidth availability. Especially battery technology cannot keep pace with demands of novel versatile services. A common approach for conserving channel capacity is optimizing power-aware routing different kind duty cycling (DC) harvesting technology. While these optimizations are usually dealt separately, we provide framework integrating analyzing...
Wireless Sensor Network (WSN) motes are devices of small form factor. They tailored to cost-effectiveness for monitoring and control applications. Different optimizations exist the robust lifetime improvement such devices, but community still lacks a clear approach how achieve system design that is low cost implements low-power optimizations. In particular, it demanding task efficiently utilize energy harvesting (EHS) technology WSNs. However, only way implementing battery-free mote...
Wireless sensor networks (WSNs) are typically used as interface between the real and digital world. Autonomous nodes of WSNs placed directly on location to measure physical quantities. Such locations often characterized by a poor accessibility no wired infrastructure. These facts cause need dedicated energy supply some kind wireless communication. To enable long operational time, should be efficient possible. So called harvesting systems (EHSs) can extend time significantly. The selection...
Wireless sensor networks (WSNs) are power critical systems, because they used in application areas without wired infrastructure. Each node needs a dedicated supply. Today's protocols and applications for WSNs often power-aware. However, the state-of-charge (SoC) estimation of energy storage component (e.g. rechargeable battery) influences decisions power-aware software. A measurement error may cause wrong which would reduce lifetime network. This work presents simulation results impact an...
Large scale deployments of small, wireless, networked, embedded systems demand for cost reduction in development and maintenance. Most often, this translates into the need reliable methods energy conservation as it is case wireless sensor networks (WSNs). Our work considers harvesting system (EHS)-enhanced WSN technology which state-of-the-art perpetual supplied from ambient environmental energy. Therefore several aspects have been considered literature so far: EHS design, prediction...
This contribution reports on a new European project, Remote-labs Access in Internet-based Performance-Centered Learning Environment for Curriculum Support (RIPLECS), which an official inter-institutional master degree program Information and Communication System (ICS) is created. The conducted online across five institutions oriented to labor market needs qualified graduates, with special focus realizing real-world experiments each subject remotely. network architecture of RIPLECS platform...
Wireless sensor networks (WSNs) are typically used to measure physical quantities of their environment at locations characterized by poor accessibility and lacking wired infrastructure. To extend the operational time, energy harvesting systems (EHSs) support power supply transforming environmental into electrical energy. In best case, a self-sufficient node is possible. Information about harvestable necessary design WSNs EHSs properly. However, detailed information often not available...
Teaching wireless sensor networks (WSNs) only theoretically is not sufficient to understand the complex interaction of these networks. WSNs consist nodes which measure physical quantities their environment, preprocess measured data, and transmit it towards a base station in multi-hop manner. are typically used application areas without wired infrastructure so they must be powered by batteries or energy harvesting systems. Due influence different factors on behavior, practical exercises can...
Strong need for a sophisticated landslide monitoring and alerting system has grown especially in mountainous regions. Traditionally, is performed using time-domain reflectometry by geodesists. Since few years the Global Positioning System (GPS) dual-frequency Real-Time Kinematic (RTK) approach widely used landslides. However, it should be noted that setup support of RTK cost intensive. In order to reduce costs GPS-based system, one could use single-frequency low-cost receivers or try utilize...
Wireless sensor network (WSN) motes are resource constrained devices. Especially, bandwidth and energy scarce resources. Therefore, lots of effort is put into the optimization low-power networking protocols. While control overhead an issue for many to most such protocols, we present approach that virtually overhead-free. We introduce implementation autonomous coding can be implemented existing applications added over routing mechanisms with no need change application or discuss carefully...
Secure wireless communication is essential for most industrial applications. The secure and reliable control of processes as well the data integrity measured values are key targets in these Internet-of-Things (IIoT) tries to connect an increasing number sensors wirelessly. form sensor networks (WSNs). However, nodes exposed various security threats ranging from physical modification on device itself remote attacks via channel. It important complete lifetime other system components. This...
The paper presents the measurement campaign carried out on a real-world motorway stretch of Hungary with participation both industrial and academic partners from Austria Hungary. included vehicle based as well infrastructure sensor data. obtained results will be extremely useful for future automotive R&D activities due to available ground truth static dynamic content. aim was twofold. On one hand, road geometry mapped high precision in order build Ultra High Definition (UHD) map...