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IoT Case Study: NB-IoT

A growing number of people are concerned about the health effects of air pollution and want to keep an eye on and regulate the activities of governments and regulators to control the consequences of poor air quality produced by a variety of factors.


The AirQ from SmartSense Croatia is a monitoring device for a wide range of contaminants, including data, and is connected to gaseous emissions (NO, NO2, CO, SO2, O3) and small pieces of debris (PM1, PM2.5, and PM10). The importance of obtaining accurate data from these sensors cannot be overstated to maintain the availability of up-to-date data for the SmartSense dashboard connected to the Internet.

Sensor maker SmartSense has teamed up with Deutsche Telekom and T-Systems, Croatian telecoms Hrvatski Telekom, and Greek operator Cosmote to provide the AirQ sensor to the NB-IoT market. To build and develop the partnership, Hub: Raum participated in Deutsche Telekom’s NBIoT Prototyping Program, which is an early-stage incubator.

Deployment of NB-IoT

Until now, the AirQ sensor has relied on either 3G or WiFi to communicate. Upload the data from the sensors that have been installed. SmartSense, on the other hand, has developed a low-power NB-IoT solution. a variant that is completely self-contained and unconnected to the grid, Installation can be done anywhere.


It was the goal of this new effort to create a new NB-IoT. Same performance as a battery-powered air quality sensor. It is compatible with NB-IoT sensors and has been optimized for them.


In the future, it may be battery or solar-powered. This will give the keeping sensors in a wide range of places, Low-cost initial setup, and ongoing maintenance.

The Advantages of SmartSense:

NB-IoT can give Smart Sense’s AirQ sensors some big advantages over their current 3G and WiFi-powered counterparts.

Battery Life: NB-IoT is made to make the best use of power, so it can run on battery power and make the battery last as long as possible up to 10 years, depending on how it is used. At the moment, the AirQ sensor has to be connected to the main power supply, which limits where it can be put. A battery-powered sensor doesn’t need to be moved in order to connect to a power source.

Battery life

Coverage: NB-IoT is based on LTE, but it is meant to have better coverage than existing LTE networks by up to 20dB.

This means that an AirQ sensor for indoor spaces is being made, and the increased range means that air quality monitoring can now be done in more places.

Real-time data: The SmartSense dashboard shows real-time data from the AirQ sensors that have been installed.

Because of this, it’s important that the sensor readings are sent quickly. The new NB-IoT AirQ sensors have been optimized for NB-IoT so that the sensor readings can be sent in real-time and the user experience is the same as with the existing connected sensors.

real time data
energy consumption


Energy Consumption: The sensors no longer need as much power to talk to each other, so they can now run on batteries alone. This makes it possible to install it in new places, where NB-better IoT’s coverage will be doubly helpful.


Flexibility: NB-IoT is very easy to use for a wide range of purposes. Due to NB-better IoT coverage and longer battery life, the AirQ sensor can be put in places that weren’t possible before. Because of this, new sensors can be made, so more places, like indoors, can be watched. The sensors can also keep an eye on the full range of pollutants and can be used to gather more information, such as weather conditions that can change from day to day and affect air quality.



Bandwidth: NB-IoT has enough bandwidth to send all the collected data whenever it’s needed. Compared to the 3G and Wifi solution that was already in place, the service hasn’t changed at all.

Now, sensors can be put in many more places than before, but the quality of service stays the same. This means that the data collected is more accurate and that places with a lot of pollution can be pointed out and watched more closely.

NB-IoT is a flexible and future-proof way to monitor the air quality in different parts of a city. With battery power, it’s easier to set up these sensors, and all the needed data can be collected as needed. In turn, this means that the customer experience is better and the costs of installation and maintenance are lower. This is a strong offer for a city that wants to improve the quality of its air.

Going forward, Deutsche Telekom, T-Systems, and SmartSense think that the data from Air Quality Monitoring will be useful in a number of new ways and open up new business opportunities. The data will not only be used to make money directly when Air Quality levels are not met but also indirectly when automatic decisions and actions can be taken based on the data. For example, Smart City solutions can be used to control traffic management systems to reduce pollution and make the user experience better. These solutions can also be used to charge for traffic congestion or pollution.

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