Matthias Vodel

Hochschule Mittweida | HSMW · Department of Informatics

The creation of scientific research proposals and publications leads to a high effort for scientists, which has increased significantly in recent years. At the same time, technologies from the fields of information retrieval, machine learning, and semantic technologies offer potentials to relieve scientists and to increase the quality of scientific...

The analysis of video footage regarding the identification of persons at defined locations or the detection of complex activities is still a challenging process. Nowadays, various (semi-)automated systems can be used to overcome different parts of these challenges. Object detection and their classification reach ever higher detection rates when mak...

During the last decades, digital fingerprinting was used for hundreds of security-related applications. The main purpose relates to tracking and identification procedures for both users and tasks. The role of digital fingerprinting in data mining area became very important. As a key scale-out technology, thermal fingerprinting represents an experim...

During the last decades, digital fingerprinting was used for hundreds of security-related applications. The main purpose relates to tracking and identification procedures for both users and tasks. The role of digital fingerprinting in data mining area became very important. As a key scale-out technology, thermal fingerprinting represents an experim...

Digitale Fingerabdrücke werden in sicherheitskritischen Anwendungsbereichen eingesetzt, um Nutzer oder Prozesse identifizieren bzw. nachverfolgen zu können. Das Konzept thermischer Fingerabdrücke zur Kategorisierung und Wiedererkennung von Softwareprozessen wird in diesem Beitrag vorgestellt und hinsichtlich der damit verbundenen Sicherheitsaspekte...

Digital fingerprinting is used in several domains to identify and track variable activities and processes. In this paper, we propose a novel approach to categorize and recognize computational tasks based on thermal system information. The concept focuses on all kinds of data center environments to control required cooling capacity dynamically. T...

Digital fingerprinting is used in several security-related domains to identify and track individual users or processes. In this paper, we introduce and discuss thermal fingerprinting as a novel approach to categorise computational tasks regarding its security impact and possible attack vectors. The concept of thermal fingerprinting monitors basic ther...

Air-conditioned cooling concepts still represent the usual cooling solution for thousands of mid-sized data centres. These data centres consists of different types of IT-infrastructure components, as well as different hardware generations. During the last decade, the optimisation regarding energy-efficiency for such central IT locations becomes one...

Hochkomplexe IT-Projekte und grundlegende Migrationsprozesse prägen die Arbeit unseres Universitätsrechenzentrums. Die erfolgreiche Durchführung einer Vielzahl von innovativen Projekten hat zu effizienten Prozessen und hochzufriedenen Nutzern geführt. Mit weitreichenden Erfahrungen aus den Bereichen Netzwerkinfrastruktur, Speicher- und Virtualisier...

Hochkomplexe IT-Projekte und grundlegende Migrationsprozesse prägen die Arbeit unseres Universitätsrechenzentrums. Die erfolgreiche Durchführung einer Vielzahl von innovativen Projekten hat zu effizienten Prozessen und hochzufriedenen Nutzern geführt. Mit weitreichenden Erfahrungen aus den Bereichen Netzwerkinfrastruktur, Speicher- und Virtualisier...

Das Rechenzentrum der TU Chemnitz wurde von einem Warmgang-System in ein Kaltgang-System umgebaut. Ein Langzeitmonitoring liefert Ergebnisse für beide Luftkühlungsvarianten. Damit soll der reale Betrieb von Rechenzentren besser beschrieben werden, um eine Effizienzsteigerung der vorgelagerten Kühlung zu ermöglichen. The data centre of the Technisc...

Verteilte, Eingebettete Systeme beeinflussen unser tägliches Leben in unzähligen Bereichen. Getrieben durch technologische Weiterentwicklungen und neue Nutzungsprofile nimmt der Vernetzungsgrad elektronischer Geräte rapide zu. Neben einem ausgeprägten Netzwerkcharakter sind aktuelle und zukünftige Anwendungsszenarien wesentlich durch einen hohen Mo...

Thousands of data centres are using traditional air-conditioned cooling concepts for the entire payload. Most of these data centres include multiple hardware generations and different types of IT-infrastructure components, i.e. storage, compute, and network devices. In the context of Green-IT, an efficient and safe parameterisation of the air-condi...

Datenanalyse in Echtzeit repräsentiert eine zentrale Anforderung moderner Videoüberwachungs- und Analysesysteme. Im Zuge technologischer Weiterentwicklungen stehen heute hochauflösende Bildsensoren sowie leistungsfähige Übertragungsprotokolle zur Verfügung. Die wesentliche Herausforderung stellt jedoch auch weiterhin die verzögerungsminimierte Vera...

Air-conditioned cooling concepts still represent the usual cooling solution for thousands of mid-sized data centres. These data centres consists of different types of IT-infrastructure components as well as different hardware generations. During the last decade, the optimisation regarding energy-efficiency for such central IT locations becomes one...

Informationen des Universitätsrechenzentrums

Verteilte, Eingebettete Systeme beeinflussen unser tägliches Leben in unzähligen Bereichen. Getrieben durch technologische Weiterentwicklungen und neue Nutzungsprofile nimmt der Vernetzungsgrad elektronischer Geräte rapide zu. Neben einem ausgeprägten Netzwerkcharakter sind aktuelle und zukünftige Anwendungsszenarien wesentlich durch einen hohen Mo...

Verteilte, Eingebettete Systeme beeinflussen unser tägliches Leben in unzähligen Bereichen. Getrieben durch technologische Weiterentwicklungen und neue Nutzungsprofile nimmt der Vernetzungsgrad elektronischer Geräte rapide zu. Neben einem ausgeprägten Netzwerkcharakter sind aktuelle und zukünftige Anwendungsszenarien wesentlich durch einen hohen Mo...

During the last decade, energy efficiency became one of the most challenging research fields in the IT domain. After optimising large-scaled hardware infrastructures, e.g. computing centres or server clusters, nowadays the focus has changed rapidly. Current R&D projects deal with two major areas. On the one hand embedded, energy self-sufficient sys...

The development of wireless sensor networks has reached a point where each individual node of a network may store and deliver a massive amount of (sensor-based) information at once or over time. In the future, massively connected, highly dynamic wireless sensor networks such as vehicle-2-vehicle communication scenarios may hold an even greater info...

Systems for aerial vehicles have to face tight constraints on weight, space, and energy consumption due to limited payload and energy resources of aircrafts. This leads to the use of optimised, application-specific components. In exploration and surveillance scenarios, electro-optical (EO) sensors in combination with embedded systems are very suita...

In the domain of distributed embedded systems, available resources regarding computing power, energy, and memory are strongly limited. With focus on the energy resources, communication hardware and communication tasks represent critical consumers for most of the common application scenarios. Accordingly, optimised approaches for the communication h...

Die genaue Positionsmessung eines Fluggerätes referenziert zur Landebahn ist vor allem in der letzten Phase des Landeanflugs (Final Approach) von großer Bedeutung. Neben konventioneller Navigationssensorik können elektro-optische Sensoren zur Detektion und Lagebestimmung von Landebahnen im finalen Landeanflug verwendet werden. Der Beitrag stellt ei...

Embedded systems are used in almost every domain of our daily life. Actual research and development activities focus on wireless connected and mobile system architectures. The resulting network topologies represent embedded, distributed systems, which are able to process complex tasks in a cooperative way. Here, most of the hardware platforms are e...

Multimodal Wireless Sensor Networks generate huge amount of heterogeneous data, which has to be transmitted in a dynamically changing network infrastructure. Especially in the domain of wireless low-power applications, the energy-efficiency and the prioritisation of communication tasks is critical. Several research areas deal with these issues. The...

In the domain of distributed embedded systems, available resources regarding computing power, energy, and memory are strongly limited. With focus on the energy resources, communication hardware and communication tasks represent critical consumers for most of the common application scenarios. Accordingly, optimised approaches for the communication h...

WSN and SANET topologies generate huge amount of heterogeneous data, which has to be transmitted in a dynamically changing network infrastructure. Especially in the domain of wireless low-power applications, the energy-efficiency and the prioritisation of communication tasks is critical. Several research areas deal with this issue. They optimising...

Increasing the level of autonomy of systems demands confident controlling and task management units. To ensure a trusted system operation, several core capabilities have to be fulfilled: reliable sensing abilities, efficient data processing, and well-organised information dissemination. Dependent on the field of application, different types of sens...

Die vorgestellte Arbeit präsentiert ein geschlossenes Konzept für die synchronisierte Erfassung, Verarbeitung und Aufbereitung beliebiger Sensor-Informationen. Es ist nun möglich, heterogene Sensornetze sowie dedizierte, autarke Messsysteme zeitlich zu koordinieren und entsprechend in Relation zu setzen. Auf Basis von XML erfolgt die ganzheitliche...

The proposed research work represents a generic, energy-efficient concept for the synchronised logging, pro-cessing and visualisation of any kind of sensor data. The concept enables a chronological coordination and correlation of information from different, distributed sensor networks as well as from any other self-sufficient measurement systems. B...

Sensor-Actor-Networks (SANET) consist of sev-eral heterogeneous subsystems, which provide specific capa-bilities for measuring or manipulating its environment. Dur-ing the runtime, the communication infrastructure as well as communication tasks and the available communication resources are changing dynamically. Furthermore, advanced application sce...

A promising idea for optimising the power consumption of mobile communication devices represents the usage of an additional ultra-low-power receiver unit, which is able to control the main transceiver in order to reduce the standby power consumption of the overall system. Such a Wake-Up-Receiver (WuRx) unit senses the medium and switches on the com...

The proposed research work represents a generic concept for the synchronised logging, processing and visualisation of any kind of sensor data. The concept enables a chronological coordination and correlation of information from different, distributed sensor networks as well as from any other self-sufficient measurement systems. Based on the achieve...

Actual research projects in the fields of wireless communication systems focus on distributed, heterogeneous architectures for advanced sensor-actor-networks (SANETs). Each subsystem provides specific capabilities for measuring or manipulating its environment. At the same time, a huge amount of sensor, status and control data has to be transmitted...

In this paper, we present the MPI2Java project, which allows researchers to use MPI1 functionalities of the actual MPI 2.0 specification in Java-based applications. We are now able to develop and process parallelised software applications within a modern high-level programming environment. Based on JNI2, a universal and adaptable interface was real...

The primary objective of wireless sensor networks is the monitoring of a system or area by measuring different kinds of sensor data. Dependent on the application scenario, a specific measurement scheduling scheme is preferred. Based on this scheduling, an optimisation of the available energy resources in each sensor node and accordingly in the whol...

Der neunte Band der wissenschaftlichen Schriftenreihe Eingebettete, Selbstorganisierende Systeme widmet sich der funkstandardübergreifenden Kommunikation in Mobilen Ad Hoc Netzwerken. Im Zuge der fortschreitenden, drahtlosen Vernetzung mobiler Endgeräte entstehen immer neue, hochspezialisierte Kommunikationsstandards. Deren Übertragungseigenschaft...

In this paper, we present a feasible communication concept within the field of ambient networks and cognitive radios. The approach deals with the integration of different radio modules into an embedded communication platform. Basic idea is the simultaneous coexistence of multiple independent network interfaces, which allows us to combine the advant...

In this paper, we present a feasible communication concept within the field of cognitive radios and ambient networking. The approach deals with the integration of different radio modules into an embedded communication platform. Basic idea is the simultaneous coexistence of multiple independent network interfaces, which allows us to combine the adva...

Der neunte Band der wissenschaftlichen Schriftenreihe Eingebettete, Selbstorganisierende Systeme widmet sich der funkstandardübergreifenden Kommunikation in Mobilen Ad Hoc Netzwerken. Im Zuge der fortschreitenden, drahtlosen Vernetzung mobiler Endgeräte entstehen immer neue, hochspezialisierte Kommunikationsstandards. Deren Übertragungseigenschafte...

Informationen des Universitätsrechenzentrums

Die Professur Technische Informatik der TU Chemnitz erforscht neuartige, innovative Anwendungsgebiete auf Basis der RFID Technologie. Durch die Installation von RFID-Toren an gebäudespezifischen Schlüsselpositionen und die Verwendung handelsüblicher RFID-Tags gelingt nicht nur eine Objektidentifikation sondern auch eine kostengünstige Lokalisierung...

In this paper, we present a new simulation platform for complex, radio standard spanning mobile Ad Hoc networks. SimANet - Simulation Platform for Ambient Networks - allows the coexistence of multiple radio modules with different communication technologies and protocol stacks within one node, which can be used concurrently. By the usage of efficien...

Testing is still the only way to verify complex systems. As different technologies for testing small components of a system are established, e.g. unit tests, no common methodologies or approaches exists for testing the whole systems. Reasons for this purpose is the diverseness of the systems to be tested. But during development, especially the test...

In this paper, a new Energy-Balanced, Cooperative Routing approach (EBCR) for radio standard spanning mobile Ad Hoc networks (MANETs) will be introduced and evaluated. Past research approaches are limited to the usage in homogeneous topologies on basis of a unique radio standard. The proposed reactive EBCR provides an efficient routing of data in h...

In this paper, a new Energy-Balanced, Cooperative Routing approach (EBCR) for radio standard spanning mobile Ad Hoc networks (MANETs) will be introduced and evaluated. Past research approaches are limited to the usage in homo-geneous topologies on basis of a unique radio standard. The proposed reactive EBCR provides an efficient routing of data in...

In this paper, the feasibility and necessity of a new concept for radio standard spanning communication in mobile Ad Hoc networks (MANET) has been analysed. Past research approaches limited their solutions to the usage in a homogeneous topology on basis of a unique radio standard. The proposed concept offers the possibility to connect standardised...

An important aspect in the field of self-organisation in mobile Ad Hoc networks is an efficient cross-linking of all nodes in a high-dynamic network topology. This should be durable against disturbances and partial losses and distribute the net load on all net elements as evenly as possible. Past research approaches limit their solutions to the usa...

The physical connectivity of ad hoc networks has gained the importance of a challenging problem for the efficiency of the routing and the link layer management. The application of an appropriate network description proposed in this paper provides the opportunity to realize local neighbor selection rules which are superior to related work in this fi...