Lightweight safe smart power grid communication method and system based on block chain

A smart grid communication and block chain technology, applied in the direction of secure communication devices, transmission systems, digital transmission systems, etc., can solve problems such as unsafe data storage, high cost, and low efficiency

Pending Publication Date: 2020-12-01
ZHEJIANG GONGSHANG UNIVERSITY
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Problems solved by technology

Coordination between blockchain nodes solves the high cost, inefficienc

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  • Lightweight safe smart power grid communication method and system based on block chain
  • Lightweight safe smart power grid communication method and system based on block chain

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Embodiment Construction

[0082] The present invention will be described in further detail below in combination with the accompanying drawings, and specific implementation methods will be given.

[0083] A lightweight and secure smart grid communication method based on blockchain. This method is based on a typical smart grid communication system application scenario. The overall system architecture is as follows: figure 1 As shown, it includes the following four parties: trusted authority: responsible for managing and distributing the secret information of all other entities in the system, which has high reliability and super computing power; control center: responsible for integrating, processing and analyzing the community The periodic time series power consumption data of all users in the network provides comprehensive and reliable intelligent services; according to the principle of geographical proximity, the control center will use U={U 1 ,U 2 ,...,U n} into w aggregates {CL 1 ,CL 2 ,...,CL w...

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Abstract

The invention relates to a lightweight safe smart power grid communication method and system based on a block chain. Trusted authority is responsible for managing and distributing secret information in the system; a control center is responsible for integrating, processing and analyzing periodic time sequence power consumption data of all users in a community network; a gateway is responsible foraggregating the power consumption data and forwarding the communication data; a sensing node is responsible for collecting electricity consumption data in real time and reporting the electricity consumption data to the control center, and the method comprises the following specific steps: a system initialization stage; a security data collection stage; an accounting node selection stage; a new block generation stage; a block verification stage; a data aggregation stage; an aggregated data recovery stage; and a decision support stage. On the basis of deeply researching and analyzing the existing achievements of the block chain technology in the field of smart power grid application, the lightweight safe smart power grid communication method and system based on the block chain technology arerealized, the confidentiality and integrity of communication data are ensured, and the privacy information of users can be effectively protected.

Description

technical field [0001] The invention relates to a communication method and system for a lightweight and secure smart grid based on block chains. Background technique [0002] The concept of blockchain provides a node consensus mechanism of distributed architecture for the application field of the Internet of Things, solves the coordination problem among billions of sensing nodes, and enhances the scalability of the system. Smart grid is a typical physical-information fusion IoT application system. Relevant scholars have studied how to combine IoT / smart grid with blockchain. Based on blockchain technology, Dorri et al. proposed a solution for secure communication in smart grid. Khan and Salah consider the problem of data collection in IoT applications and discuss how blockchain can be applied to distributed data collection. Christidis and Devetsikiotis studied the smart contract problem in blockchain for IoT application scenarios, verified the feasibility of the scheme thro...

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Application Information

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IPC IPC(8): H04L9/32H04L29/06H04L29/08
CPCH04L9/3236H04L63/123H04L67/12H04L9/50
Inventor 鲍海勇
Owner ZHEJIANG GONGSHANG UNIVERSITY
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