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26 - 28 February 2019 // Nuremberg, Germany

Conferences and supporting programme

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Session 09 - Connectivity II / Bluetooth & Energy-Harvesting

Bluetooth Low Energy Solar Beacon as IoT Enabler Vortragssprache Englisch

Enabling the interaction between human beings and any kinds of objects is a key desire in modern days. For this so called ‘Internet of Things’ (IoT), physical objects have become accessible in the digital world. Sensors and tags are typically used to provide such links between the physical and virtual world. Existing implementations of such active tags suffer from any of the following: form factor, range, maintenance effort or cost. This is why neither of the many available technologies like active RFiD, Bluetooth beacons nor Wi-Fi sensors could enable a massive breakthrough in the IoT. To overcome this roadblock, an ideal tag would be unobtrusively supporting the original purpose of the enabled object. The tag itself being maintenance free, it can for example reduce labor cost by issuing usage-based preventive check-ups. In addition to this, it enables efficiency increases by providing detailed insights into the value generating processes. With our approach of a fully integrated System-on-Chip stripped to the bare minimum of necessary functionality, we achieve two differentiators at the same time: minimize the Bill-of-Materials (BOM) and realize a self-sustained wireless IoT system purely powered by energy harvesting. The core IP is developed by experts at the RWTH Aachen University Germany resulting in an ultra low power, secured ‘transmit-only radio tag’ that features subthreshold low power digital design and an ultra low power radio front-end. This System on Chip is intended to be powered by a single organic solar cell allowing the implementation of a flexible, bendable, sticker sized active Bluetooth beacon. This actually means that we are capable of combining the advantages of passive tags: zero maintenance and a small form factor with the advantages of active tags: extended range and transmit power. By using Bluetooth this technology can be easily exploited with standard technologies as integrated in common smartphones and mobile device to connect users with the capabilities of the digital world and the richness of their physical environment.

--- Date: 27.02.2018 Time: 5:00 PM - 5:30 PM Location: Conference Counter NCC Ost



Cecilia Hoeffler

RWTH Aachen University


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