What is NB-IoT? The Narrowband Internet of Things takes the needs and abilities of IoT, such as low power operations and ability to share data between disparate devices, and allows operations of these devices across long distances by using cellular communications technology. It has been widely adopted in telematics and smart city applications, where traditional wireless IoT solutions just cannot maintain reliable communications due to the conditions and distances involved. How does Narrowband IoT work? To overcome the challenge of low power and long distances, the system has several differences to a standard Bluetooth or wi-fi based system, including: Uses Cellular Networks — Uses the narrow bandwidth cellular network for reliable communications across long distances. Low Power Operations — These communications systems use low power levels for operation, essential for mobile devices where constant battery replacement is impractical. Long Range Coverage — The system can reach remarkably long distances, and is much less effected by indoor or underground environments too. Increased Capacity — Narrowband IoT systems can support huge numbers of individual connected devices in the network, allowing for almost endless scalability. Cost- Effective — Provides a low cost solution for moving small amounts of data long distances. LTE-M vs. NB-IoT We may see comparisons with another cellular based solution, known as LTE-M, but what is the difference between them? LTE-M is designed primarily for voice communications and uses higher data rates, which obviously has applications in many situations. But if we want the best option for IoT applications, where the need is for minimal data and bandwidth use but increased range and penetration, then a purpose designed solution, which narrowband IoT is, makes more sense. Narrowband IoT in Practice There are a number of industries and applications where NB-IoT excels, and here are some of the most common we encounter: Fleet Management — For fleets operating within a city, narrowband IoT can provide constant communication links with all vehicles operating in the fleet. It is used for real-time tracking of bus services and taxis, as well as businesses such as final mile delivery solutions. Agricultural Equipment — Agricultural businesses benefit from accurate data on equipment location and operational status even in locations with otherwise poor connectivity. Supply Chain and Logistics — Tracking goods in transit, vehicle locations and so on even in the remotest of locations enables more efficient management of resources. Utility Management — For applications such as smart meters and electric flow across grids, the narrowband IoT delivers reliable performance regardless of location. Flexible, reliable and built to maintain communications in difficult conditions, it is easy to see why Narrowband IoT has been adopted for challenging applications such as telematics. Conclusion NB-IoT is a crucial step forward for many applications, but it is perhaps most valuable in the area of telematics, where we require robust and reliable communication solutions over long ranges. It is certain that as the adoption of telematics increases, both for the use in smart cities, intelligent vehicles and fleet management applications, narrowband IoT will be crucial in continuing to develop the technology.
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