Abstract
With the expansion of the Internet-of-Things, energy-efficient communication is becoming vital. The communication among energy-limited devices (e.g., powered by batteries or harvesting the energy from their environment) must be energy-efficient, prolonging their lifetime or increasing data throughput. This article aims at proposing energy-efficient periodic communication for devices over the ZigBee protocol and powered by a battery. We propose using timing channels for different data priorities, thus, more important data are sent more frequently. The priority is also considered in case of congested traffic, where a central device (coordinator) prioritizes more important communication. We have implemented a simulator, which serves for verification of the proposed solution, and conducted experiments comparing the proposed EEMIP method with the standard nonbeacon ZigBee communication. The experimental results show that the proposed method is more energy efficient.
Highlights
Requirements for reducing energy consumption in devices are still increasing due to population growth and industrial development
Energy efficiency is especially important for end sensory devices with limited energy sources, which are connected by means of so-called wireless sensor networks (WSN)
In WSNs, there is a number of cases in which the device topology contains a central node that collects and evaluates acquired data from sensory devices, such as parking cameras [2] or hospital equipment [3]
Summary
Requirements for reducing energy consumption in devices are still increasing due to population growth and industrial development. Devices with limited power supplies that are part of the Internet-of-Things (IoT) should have optimized interfaces, and optimized communication protocols are expected to reduce energy consumption. This means that when two or more interconnected devices communicate with each other, you will not need to change batteries or charge devices after a short while. It supports multiple network topologies, star, mesh, and cluster tree It is especially useful for low-power IoT applications, since it requires relatively small amount of energy for data transmission, which enables the connected devices to run several year on batteries (for comparison of energy efficiency of several technologies, see [26]). A router is an intermediary device, which forwards traffic between the coordinator and other devices that are not directly connected
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