Abstract
This work investigates the unified coding and identification of smart grid IoT devices, as more and more IoT devices in smart grid need to be managed and controlled. We combine blockchain technology with 5G MEC to realize the connection of massive power IoT devices at the edge of 5G network. Due to blockchain’s distributed storage and credibility, it is used to identify and register IoT devices in smart grid, ensuring the reliability and accuracy of smart grid IoT devices management. In this paper, we propose a hybrid blockchain mechanism based on 5G MEC smart grid, where both public blockchain and private blockchain are deployed on the MEC gateway/server. To facilitate the data searching and extracting, we endeavor to build a blockchain explorer indexed by IoT device identifier. After that, we study the typical consensus algorithms in the blockchain such as PoW, PoS, DPoS, PDFT, and discuss their feasibility in the hybrid blockchain. Finally, we analyzed and compared the performance of different consensus algorithms from the perspective of average computing time and average time to agreement.
Highlights
1 Introduction The fifth-generation mobile communication technology (5G) can flexibly meet the specific needs of services in different scenarios and will bring various innovative applications to vertical industries, driving social economic efficiency improvements and cost reductions [1, 2]. Fifth-generation mobile communication technology (5G) integrates with the Internet of Things (IoTs), big data, cloud computing, edge computing, blockchain, and artificial intelligence
Based on the 5G multi-access edge computing technology (MEC) network architecture, we proposed a hybrid blockchain-based smart grid IoT device management mechanism
In the life cycle management of smart grid equipment, unified smart grid equipment coding or identification can serve as the index of blockchain explorer for data searching and extracting
Summary
The fifth-generation mobile communication technology (5G) can flexibly meet the specific needs of services in different scenarios and will bring various innovative applications to vertical industries, driving social economic efficiency improvements and cost reductions [1, 2]. 5G integrates with the Internet of Things (IoTs), big data, cloud computing, edge computing, blockchain, and artificial intelligence. The fifth-generation mobile communication technology (5G) can flexibly meet the specific needs of services in different scenarios and will bring various innovative applications to vertical industries, driving social economic efficiency improvements and cost reductions [1, 2]. 5G integrates with the Internet of Things (IoTs), big data, cloud computing, edge computing, blockchain, and artificial intelligence. Smart grid is a new development trend of traditional power system [3], which fuses together modern advanced information and communication technology (ICT), Internet of Things (IoTs), artificial intelligence (AI), control technology, etc., to realize the communications of power system. Smart grid will focus on the end-to-end links of power generation, transmission, transformation, power distribution, and electricity consumption, to carry out intelligent and informatized upgrades [4].
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