Using neural networks to reduce sensor cluster interferences and power consumption in smart cities

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    Abstract

    In the future smart cities, billions of communicating Internet of Things (IoT) devices are expected which communicate wirelessly in the limited spectrum offered by 5G and long-range technologies. This means that a huge amount of interferences must be overcome by new agile technologies without wasting power resources in the IoT nodes. In this paper, these challenges are addressed by a neural-network-based machine learning system that is based on frequency-domain features extracted from the communication channel. This machine learning system predicts the needed transmit power to overcome the interferences by a predefined margin. Extensive system simulations have been performed on a real-world dataset that shows power savings in the range of 35-83% and a packet receive-ratio of at least 95%. Similarly, it has been found that the system converts after approximately 50 supervised samples, which supports efficient tracking of parameter variations in the communication channel.
    Original languageEnglish
    JournalInternational Journal of Sensor Networks
    Volume32
    Issue number1
    Pages (from-to)25-33
    Number of pages9
    ISSN1748-1279
    DOIs
    Publication statusPublished - 2020

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