Test and Measurement of LPWAN and Cellular IoT Networks in a Unified Testbed One of the main requirements of spatially distributed Internet of Things (IoT) solutions is to have networks with wider coverage to connect many lowpower devices. LowPower WideArea Networks (LPWAN) and Cellular IoT(cIOT) networks are promising candidates in this space. LPWAN approaches are based on enhanced physical layer (PHY) implementations to achieve long range such as LoRaWAN, SigFox, MIOTY. Narrowband versions of cellular network offer reduced bandwidth and, simplified node and network management mechanisms, such as Narrow Band IoT (NBIoT) and LongTerm Evolution for Machines (LTEM). Since the underlying use cases come with various requirements it is essential to perform a comparative analysis of competing technologies. This article provides systematic performance measurement and comparison of LPWAN and NBIoT technologies in a unified testbed, also discusses the necessity of future fifth generation (5G) LPWAN solutions.

Experimental Evaluation on NBIoT and LoRaWAN for Industrial and IoT Applications Low power and longrange communications are essential features of the Internet of Things (IoT) paradigm that is becoming widespread across a spectrum of industrial applications. In this paper, we present performance evaluation of the most promising longrange communication technologies, namely LoRaWAN and NBIoT. We present accurate infield measurements using a monitoring application as a testbench for a fair comparison in terms of energy efficiency and lifetime. Experimental results highlight that NBIoT payload length does not impact on transmission energy. Thus, applications that implement buffering and caching techniques are favored. On the other hand, LoRaWAN consumes 10xc3x97 less energy to transmit a payload equivalent to that of NBIoT, thereby allowing longer enddevice lifetime.