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Method for communicating with power line

A technology of power line and carrier communication, which is applied in distribution line transmission systems, electrical components, transmission systems, etc., can solve problems such as the need to improve security and increase the difficulty of data decryption, and achieve the effect of increasing the difficulty of cracking and low complexity

Inactive Publication Date: 2017-03-22
广州科恩科技有限公司
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0007] With the evolution of the encryption algorithm, the group encryption algorithm encrypts the data in groups, which increases the difficulty of data decryption. However, a fixed encryption algorithm and key are used for encryption. After the encryption algorithm and key are determined, the plaintext and the password form a corresponding relationship , can be cracked by brute force methods such as brute force method, and the security needs to be improved

Method used

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  • Method for communicating with power line
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Embodiment Construction

[0031] figure 1 It shows a power carrier communication system of the present invention, the system includes a carrier communication data sending end 1, a carrier communication transmission device 3 and a carrier communication data receiving end 2;

[0032] Wherein, the carrier communication data sending end 1 includes:

[0033] The data grouping unit 11 is used to segment the digital signal to be encrypted to generate a segmented digital signal;

[0034] A key generation unit 12, configured to generate a user key;

[0035] Storage storage unit 13, used to store the user key;

[0036] The data encryption unit 14 encrypts the segmented digital signal using an encryption algorithm and the user key to obtain an encrypted segmented digital signal;

[0037] Segmented digital signal packaging unit 15, which packs the encrypted segmented digital signal to obtain an encrypted IP packet;

[0038] Carrier communication transmission device 3 includes:

[0039] Initialization module 3...

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Abstract

The present invention discloses a method for communicating with a power line. According to the method, the optimal frame length of IPv6 packet fragment is achieved adaptively in limited times, the method is less complex, the acquired optimal frame length can be rapidly shortened, and the method supports IPv6 efficiently. The system can generate a secret key according to personal information of a user, so that the secret key is unique and complex, and the digital signal has high confidentiality and security and is fairly hard to crack.

Description

[0001] Technical field [0002] The invention relates to a method for communicating using power lines. Background technique [0003] The smart grid is a power transmission and distribution network using sound two-way communication, advanced sensors and distributed computing. Its purpose is to improve the efficiency of power transmission and use, and improve the reliability and security of the power grid. Establishing a high-speed, two-way, real-time, and integrated communication system is the basis for realizing the smart grid. At present, the main transmission means of distribution communication network are: optical fiber, public wireless network, self-built dedicated wireless network, power line carrier communication, power line frequency communication and other methods. [0004] Power line power frequency communication achieves data transmission by superimposing tiny distorted signals on voltage and current. Because low frequency power frequency distorted signals can pass ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/54H04L29/06
CPCH04B3/54H04L63/0428
Inventor 黄诗平
Owner 广州科恩科技有限公司
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