Abstract
The efficient and simpler version of Internet of things (IoT) is Narrowband Internet of Things (NB-IoT). It is a low power wide area network (LPWAN) technology standardized by Third Generation Partnership Project (3GPP) and is mainly used for LPWA applications. The deployment of NB-IoT is easy and it utilizes low power. To extend the possibilities of NB-IoT in terms of coverage, traffic and power,efficient energy consumption has become a concern. In this paper, the NB-IoT model has been analysed with respect to the reception of downlink (DL) packets. Energy optimization of downlink packet has been done with the help of particle swarm optimization (PSO). By optimizing the non-constraint parameters of NB-IoT,84.98% and 61.07% decrease in energy consumption has been observed. Overall, average energy efficiency of the system has been increased. The non-optimized and optimized NB-IoT systems have been critically compared.
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