Thomas Trathnigg

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In this paper we present PoQoS, a novel approach for combined management of powerand quality of service (QoS) in distributed embedded video surveillance systems. PoQoS allows the implementation of hardware-tailored dynamic power management schemes for different individual QoS-levels. The proposed approach also offers an extensible model for implementing(More)
This paper describes an efficient implementation of a crypto arithmetic unit, which computes the modularoperations addition, multiplication, and inversion in prime fields. These calculations are important for an application in elliptic curve cryptography (ECC). The hardware is designed in a self-timed and low-power approach. The paper discusses the pros and(More)
One of the most important issues in the development of wireless sensor networks is energy efficiency. Therefore, it is important to have accurate measurements of the energy consumption of each node.We propose a simple and accurate measurement approach capable to handle this issue. An integrated prototype of our measurement setup was built for the mica2(More)
Intelligent video surveillance (IVS) offers a large spectrum of different applications that have strict quality of service (QoS)-requirements. Beside high demands in computing performance, power efficiency is another major concern in these applications. For instance, recent IVS systems need to deliver compressed video data in high quality while using(More)
Energy efficiency is one of the most important requirements for wireless sensor networks. We present EMAC, an energy efficient MAC protocol for low-traffic delay-tolerant wireless sensor networks. EMAC uses asynchronous distributed transmission scheduling to achieve high energy efficiency. It was developed following strict design guides and keeping focus on(More)
Energy efficiency is one of the most important requirements for wireless sensor networks. Therefore, it is important to have accurate measurements of the energy consumption of the nodes in a network. We propose an measurement approach capable to handle this issue. In the development of wireless sensor network applications simulators are often used to verify(More)
Abid Ali Minhas, Thomas Trathnigg, Christian Steger, Reinhold Weiß Technische Universität Graz ,Institut für Technische Informatik, Austria {minhas, steger,rweiss}@iti.tu-graz.ac.at thomas.trathnigg@tugraz.at _____________________________________________________________ Abstract: Routing algorithms have shown their importance in the power aware wireless(More)
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