![]() ![]() ![]() Localization systems, from which the Global Positioning System (GPS) is the most well-known, have already found their way in day-to-day life, enabling several important use cases such as asset tracking systems, locating cars and/or people, aviation, etc. Depending on the update rate and using a high capacity battery (10.4 Ah), it is possible to achieve a battery lifetime between 1 to 16 years, which is comparatively up to four times better compared to the current state-of-the-art TDMA-based solutions. In order to show that battery powered infrastructure nodes are feasible, our solution accurately analyzes the long-term energy consumption of the infrastructure devices. To this end, this paper proposes a novel power-aware Medium Access Control (MAC) protocol that uses a probed, secondary wake-up radio to maximize the battery lifetime on the anchor nodes. However, in many deployments it is not possible to offer the required power cabling at the correct locations to provide energy to all infrastructure nodes. ![]() Most current UWB research papers and commercial offerings assume that battery-powered mobile tags communicate with non-energy constrained infrastructure devices. Due to its cm-level accuracy, the Ultra Wide Band (UWB) technology seems to be a perfect fit as an enabler for these advanced use cases. Indoor localization systems allow for innovative Industry 4.0 applications such as tracking of assets, people, or robots.
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