mioty® ̶ The all-around talent for industrial IoT applications handles 3.5 million messages per day

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Robust transmission of sensor data for condition monitoring and smart metering – this is what recommends the wireless and standardized transmission technology mioty from the Fraunhofer Institute for Integrated Circuits IIS for applications in the Industrial Internet of Things (IIoT). But it can do even more: it enables hundreds of thousands of sensors to be connected via just one base station. This is a huge advantage, especially in the smart city and smart building sectors with many end devices. Using mioty, 3.5 million messages per base station can be read out and transmitted per day.

www.iis.fraunhofer.de, May. 24, 2022 – 

In the age of the digital Internet of Things (IoT), the way to measure and transmit data such as meter and water levels, the tightness of pipelines or the preload of screw connections is via connected sensors and wireless communication. A major Bavarian city such as Nuremberg, with an area of approximately 187 km2, has up to an estimated 1 million IoT devices in operation, assuming an average of two devices (such as digital water meters or heating controls) per household. A base station with a range of about 2.5 kilometers can receive data from up to 110,000 such devices.

However, not all devices transmit their data at the same time, and so they are not constantly using the available radio channels. The extremely small data packets, known as telegrams, that the mioty technology uses for Low Power Wide Area Networks (LPWANs) can receive up to 150 telegrams simultaneously and achieve a transmission capacity of around 3.5 million telegrams per day.

This high number of transmissions is made possible by systematically improved algorithms, which have been optimized to such an extent that they now run on the energy-saving ARM processors that have long been in widespread use.

"After our initial calculations of many applications that are already using our mioty technology in the field, we have now performed new tests and calculations to improve the technology even further. The result is optimization of still greater numbers of messages, plus enhanced energy efficiency of transmission and a robust protocol," says Josef Bernhard, technical project manager in the development of the technology. "The high number of data telegrams per day that we are now achieving in practice provides an optimum starting point for use in smart city and smart building applications, where a high number of sensors transmit simultaneously. This spurs us on to continue to push the rollout of mioty together with our partners from industry and from the mioty alliance, not only in these areas, but in agriculture and industry as well."

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