ID WORLD International Congress: Dr. Ralf Hildebrandt

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Dr. Ralf Hildebrandt

Researcher – Fraunhofer Institute for Photonic Microsystems (IPMS)

Speaks at ID WORLD on ID in Cloud Computing

Ralf Hildebrandt was born in Germany in 1978. He studied Electrical Engineering and has worked for several years in the communications industry. He made his Master of Science (german Diplomingenieur) and Phd at the Dresden University of Technology on information technology.

His PhD thesis with the title “Software Methods for the Reduction of Dissipated Energy in Microcontroller Systems” covered the topics of power estimation of digital circuits as well as methods for development of efficient highly-optimized software in the high level language ANSI C.

He works at the Fraunhofer Institute for Photonic Microsystems (IPMS) on digital circuit and software design for RFID transponders and microcontrollers. His main research focus is on low power system design. This includes all development steps from the very beginning with system concept development over digital hardware and software design to test and final verification.

“RFID PLATFORM FOR A SMART CLOUD”

Simple RFID tags for identification are in fact not smart objects. Smartness comes from the infrastructure consisting of readers and data bases. To make an RFID tag itself a smart object some data processing capabilities have to be included.

An RFID tag becomes a smart item by the combination with a microcontroller. To enable passive operation or a long battery-assisted lifetime and to reduce chip production costs only a tiny microcontroller can be a suitable choice for a smart RFID system.

The combination of an RFID tag and a small microcontroller can be seen as a flexible platform for various data processing applications. This concept is independent of the used carrier frequency that ranges from LF over HF to UHF. The architecture of a microcontroller enables the easy integration of application-specific peripheral components (e.g. sensor or actor interfaces) and gives the opportunity for software-driven implementation of requested features. Compared to a highly-specialized state-machine a microcontroller offers more flexibility and will have a higher efficiency at higher levels of complexity.

Such an RFID platform can act as a node or a small and smart sub-system in a cloud or more complex next generation system. The cloud or complex system could be installed locally or it could encompass the whole world and could gather data from sensors, HMI, or M2M interfaces. For gathering sensor data in realtime, RFID platform based nodes can be connected to a worldwide interactive service as e.g. pachube.

We will present a way how to build systems like a simple wireless RFID sensor as well as a highly-configurable data logger system using only a few hardware components and some hundreds of firmware instructions which enables the user to create many different nodes for smart interaction inside a cloud.

 

 

Speaking on November 4


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