Tobias Simon

Technische Universität Ilmenau | TUI · Institut für Technische Informatik und Ingenieurinformatik

This paper focuses on the experimental exploration of static trajectories applied for the localization of wireless nodes using unmanned aerial vehicles. Furthermore, a unique scenario is investigated that includes both indoor and outdoor areas. While moving around a building, an unmanned aerial vehicle localizes wireless nodes that are positioned i...

This paper concentrates on the adaptation of several state-of-the-art static trajectories. The so called Triangle and Circle trajectories are investigated in real-world experiments using a single unmanned aerial vehicle serving as a mobile anchor. Experimental results show that Triangle is better suited for our unique indoor-outdoor scenario.

In this paper, a so-called LMAT (Localization algorithm with a Mobile Anchor node based on Trilateration) path planning algorithm is being validated using simulations and evaluated in experiments using a real unmanned aerial vehicle (UAV). Our focus is to find out if the flying path used for our unique scenario, represented by a disastrous event, f...

From previous experiences with student work, we figured out that an interesting real studying object highly motivates students to understand the theory by hands-on experiments. Based on our former work, this paper introduces a new concept, which combines three of our research topics to one complex infrastructure. We start with our existing online l...

This work presents a self-organized message-ferrying algorithm called SOFCOM, which solves the next-hop decision problem in mobility-controlled message ferrying networks. We provide an analytic model for the single-ferry scenario, in which multiple static network nodes require transient connectivity for message exchange. Relaxing the system's state...

This article introduces a lightweight message-based inter-component communication infrastructure called Signaling and Communication Link (SCL). Specifically targeted for inter-process communication in embedded systems, SCL is characterized by three independent building blocks: topology definition, message transport and data serialization. Due to it...

In this paper we propose a stability augmentation system for a quadrotor, enabling direct rate control for a human pilot. Our system includes feedforward for rate control, feedback for disturbance attenuation, and an online optimization technique for handling input restrictions. We show that the proposed algorithms are able to stabilize the system...

It is very common that during the localization process redundant reference data can be collected. This reference data is called “anchors”. For some position estimation algorithms, like trilateration or Min-Max, only three or four anchors for 2-d or 3-d localization respectively are required. The selection of certain anchors from collected amount ca...

Free-space optical (FSO) links are an effective alternative to radio frequency (RF) to handle high-rate data transmission in case of a general communication service failure in disaster scenarios. Establishing high data rate links under the impacts of extreme environmental conditions, like the unregulated RF spectrum, is a very challenging issue. Th...