The European Space Agency (ESA) is testing the smart-city concept, combining GNSS with Wi-Fi and 5G to achieve shared, precise positioning.The Navigation Laboratory at the European Space Research and Technology Center (ESTEC) in the Netherlands has been outfitted with the Hansel system (named after the fairytale character who gets lost in the forest with his sister Gretel). Hansel links sensors across the ESTEC campus, providing insight into the collective networking and computing needed to seamlessly mesh intelligent elements for a smart city.
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