Abstract
The deployment cost of advanced metering infrastructure (AMI), one of the key elements for smart grid, often arises from three sub-systems, respectively referred to as data management system, communication network, and smart devices. Among them, the costs of communication network account for a considerable proportion. In smart grid, smart devices are generally fixed in a certain position and schedule reading of interval meter data. They do not only cover smart meters, but also extend gas, water meters, and other sensors measuring light, humidity, and temperature. Many of them are often with battery supply, and this will bring utilization constraints especially in communication network. The deployment needs of reducing cost and the energy-constrained network for an extremely large-scale AMI infrastructure both require optimum communication technologies that consider energy consumption, minimize energy use, simplify network topology, and prolong network lifetime. As an emerging 3GPP radio interface technology specifically designed for low power wide area networks (LPWANs), Narrowband Internet of Things (NB-IoT) inherits from the existing LTE but does many simplifications. Its most prominent features, enhanced coverage and low power consumption, are being pursued for a large-scale AMI communication network. In this paper, we provide a survey of AMI communication, emphasize on the key technologies of NB-IoT, analyze the performance of NB-IoT network over a real-world, and demonstrate the potential of NB-IoT to support and boost AMI in smart grid.
Highlights
Smart grid, the generation electric grid, is a two-way data communication network which enables the smart integration of conventional power generation, renewable generation, distributed generation, energy storage, transmission, distribution, and demand management [1]
It means that the real-world Narrowband Internet of Things (NB-Internet of Things (IoT)) network can provide sufficiently good indoor and outdoor coverage to support the connected devices, but for deep indoor, the deviceperceived signal is weak at present and it still has a lot of work to do
We focused on reducing the deployment cost and prolonging network lifetime of advanced metering infrastructure (AMI) by introducing NB-IoT technology which could provide minimized power consumption and enhanced coverage
Summary
The generation electric grid, is a two-way data communication network which enables the smart integration of conventional power generation, renewable generation, distributed generation, energy storage, transmission, distribution, and demand management [1]. As one of the key sub-systems of smart grid, advanced metering infrastructure (AMI) is aimed to collect all the data and information from smart meters/sensors and consumers, and to implement control signal and instruction so as to perform accurate Both wireless and wired communications should meet specific requirements, i.e., reliability, latency, bandwidth, and security, depending on AMI tasks, and the cost of. Gas and water meters often send small packets periodically in uplink and receive a small amount of instruction flow in downlink They often run completely on battery which will bring utilization constraints especially in communication network [8]. The deployment needs of reducing cost and the energy-constrained network for an extremely large-scale AMI infrastructure both require optimum communication technologies that consider energy consumption, minimize energy use, simplify network topology, and prolong network lifetime
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