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Data gathering method with privacy protection and load balancing in smart grid

A privacy protection and smart grid technology, applied in the field of privacy protection, can solve the problems of unbalanced communication load of user nodes and reduce network life, and achieve the effect of ensuring data availability, solving excessive transmission load, and ensuring user privacy.

Active Publication Date: 2019-04-05
XI AN JIAOTONG UNIV
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AI Technical Summary

Problems solved by technology

However, in addition to the need to protect data privacy, the data aggregation process also faces another challenge: a large amount of user data in the neighborhood area network needs to be aggregated to the server through hop-by-hop transmission, and the traditional multi-hop forwarding method is used directly. Nodes will face unbalanced communication load, which will reduce the life of the network

Method used

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  • Data gathering method with privacy protection and load balancing in smart grid
  • Data gathering method with privacy protection and load balancing in smart grid
  • Data gathering method with privacy protection and load balancing in smart grid

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0029] refer to figure 1 A data aggregation method with privacy protection and load balancing in the smart grid provided by the present invention, comprising the following steps:

[0030] 1. User smart meter terminal processing

[0031] The normal working process of the user's smart meter includes smart meter user data measurement, discrete processing of power data, random disturbance of power data, generation of weighted data and generation of power transmission data, specifically including the following steps:

[0032] Step1 power consumption data measurement: measure the real power consumption data E of the i-th user's smart meter according to the demand i , the measured data is not directly transmitted;

[0033] Step2 Discretization of electricity consumption data: refer to the current "stepped electricity price" method, and convert the user's electric...

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Abstract

The invention discloses a data gathering method with privacy protection and load balancing in smart grid. Sensitive data generated by a user is disturbed in the smart ammeter end by means of a randomized response technology, the data is compressed and transmitted by a compressed sensing technology, and a reconstruction recovery algorithm is used to gather privacy data. Compared with a common centralized data gathering privacy protection method, the method of the invention can ensure the data effectiveness and improve the privacy protection degree. In the realization end of the method, computing in the local end includes simple mathematical operation but not complex operation as encryption and decryption, and power consumption of the smart ammeter is reduced greatly.

Description

technical field [0001] The invention belongs to the field of privacy protection, and in particular relates to a data aggregation method with both privacy protection and load balancing in a smart grid. Background technique [0002] In modern society, people's demand for electricity and energy innovation are constantly increasing, and science and technology are also developing rapidly. Smart grids that use advanced electronic communication technologies to meet social needs have emerged as the times require. As the country attaches great importance to the next generation power grid, a lot of manpower and financial resources are invested in the research and development of smart grid. The user's electricity consumption data can be obtained through the smart meter, and the real-time monitoring of the electricity load can be carried out, so that the power supply company can better dispatch electric energy. In order to achieve real-time monitoring, it is necessary to continuously co...

Claims

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Application Information

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IPC IPC(8): H04L12/803H04L12/911H04L29/06H04L9/08
CPCH04L9/0869H04L47/125H04L47/827H04L63/0407H04L63/0428Y02D30/50
Inventor 杨新宇魏洁任雪斌姚向华王腾翟守沛王舒阳
Owner XI AN JIAOTONG UNIV
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