The maximum data rates are consistent over a wide range of coverage situations. NB-IoT provides a wide coverage by using signal repetitions, which improve the receiver sensitivity, but simultaneously increase the system latency.
The results indicate that NB-IoT meets most theoretical Third Generation Partnership Project (3GPP) design goals in a commercial deployment. Additionally, NB-IoT is discussed in the context of typical smart metering use cases. Special consideration is given to the influence of the radio parameters on the application layer QoS. In this paper, systematic physical layer measurements are conducted, and the application layer performance is verified.
Although NB-IoT Release 13 has been deployed by Mobile Network Operators (MNO), detailed Quality of Service (QoS) evaluations in public networks are still rare. Narrowband-IoT (NB-IoT) is part of a novel group of access technologies referred to as Low-Power Wide Area Networks (LPWANs), which provide energy-efficient and long-range network access to IoT devices.
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