In 2018, during the Amsterdam International Transport Exhibition, Liboium, a Spanish company specializing in Internet of Things (IoT) technology, introduced an innovative Smart Parking Sensor Node as part of its ongoing improvements to its wireless sensor platform. This new device was designed to enhance the efficiency and accuracy of parking management systems.
The Smart Parking Sensor Node features two distinct detection systems, supporting both Sigfox and LoRaWAN wireless communication protocols. It can be installed either on the road surface or embedded underground, thanks to its unique design. The system utilizes a magnetic detection mechanism integrated with cloud-based software that evaluates the received signal strength from the wireless node. When a vehicle parks in a space, the system detects it through changes in the magnetic field and a decrease in the wireless signal strength. This dual-sensing approach ensures up to 99% accuracy under ideal conditions.
The sensor is housed in an IP68-rated, waterproof, and durable enclosure, making it suitable for both above-ground and underground installations. This design is particularly useful in areas where snow removal is common or to prevent theft. The system has also passed CE and FCC certifications, ensuring compatibility with LPWAN technologies like LoRaWAN and Sigfox. It supports remote operations with low power consumption and can connect across various frequency bands, including the European 868MHz band, the U.S. and Canadian 900-930MHz band, and recently added the Australian 915MHz band.
Additionally, the Sigfox version of the sensor is available in Latin America and the Asia-Pacific region, operating between 915 MHz and 923 MHz. One of the standout features of this system is its ability to use both radio technologies simultaneously or switch between them via the cloud. Once deployed, users can remotely configure and manage all settings through a cloud-based interface. Powered by high-capacity batteries and optimized low-power software algorithms, the Smart Parking Sensor Node is expected to last up to 10 years, making it a reliable and long-term solution for smart city infrastructure.
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