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Opportunistic routing algorithm based on partial network coding in smart grid

A technology of smart grid and network coding, which is applied in the direction of data exchange network, electrical components, digital transmission system, etc., can solve the problem that the usual time delay of data transmission needs to be improved, and achieve the effect of improving communication quality

Inactive Publication Date: 2018-11-20
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reliability of data transmission and the usual delay still need to be improved.

Method used

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  • Opportunistic routing algorithm based on partial network coding in smart grid
  • Opportunistic routing algorithm based on partial network coding in smart grid
  • Opportunistic routing algorithm based on partial network coding in smart grid

Examples

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Embodiment 1

[0019] Embodiment 1: The opportunistic routing algorithm based on partial network coding in this smart grid, the specific steps are as follows:

[0020] (1) First set the smart grid-neighborhood area network as the initial state, and multiple smart home devices in each home area network will send electricity consumption information to the smart meters in the area, then the opportunistic routing model of the neighborhood area network The source node S receives three data packets P1, P2, and P3 from multiple smart home devices at the same time;

[0021] (2) The source node S uses the broadcast technology in the opportunistic routing model to broadcast the three data packets P1, P2, P3 to the relay nodes R1, R2, R3 around the source node S, and the relay nodes R1, R2 , R3 is equipped with automatic encoding function,

[0022] (3) The relay nodes R1, R2, and R3 perform partial network encoding of any length on the received data packets P1, P2, P3,,, Pn, and the encoded packets in...

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Abstract

The invention discloses an opportunistic routing algorithm based on partial network coding in a smart grid. According to the invention, the partial network coding technology is integrated on the basisof the opportunistic routing technology in the smart grid-neighborhood network; data packets sent from a source node to a relay node are encoded in arbitrary combining forms; then the encoded packetsare sent to a destination node; and the received encoded packets are decoded to obtain the original packets. Compared with the single opportunistic routing technology, the whole process of the opportunistic routing technology based on the partial network coding to send data packets takes less time; the invention improves the reliability of the network and reduces the average delay of data transmission; and the invention solves the communication performance index problems of low reliability, large average delay, large network overhead, low utilization of wireless channels and low network throughput in the neighborhood network, and improves the overall communication quality of the smart grid neighborhood network.

Description

technical field [0001] The invention relates to an opportunistic routing algorithm based on partial network coding in a smart grid, and belongs to the technical field of wireless network communication. Background technique [0002] The application and development of the smart grid has extremely high requirements for data processing in the network, especially the reliability and timeliness of uplink data transmission in the neighborhood area network is particularly important. [0003] At present, there are relatively many routing technologies used in SG-NAN networks, but there are also many shortcomings. Among them, opportunistic routing is more suitable to be used in SG-NAN network. The broadcast feature in this routing technology is very suitable for the topology of the network, which improves the throughput of the network and can accept the exit and entry of nodes in the network. However, the reliability of data transmission and the usual time delay still need to be impro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/761H04L12/721H04L1/00H04L45/16
CPCH04L1/0041H04L1/0045H04L45/14H04L45/16
Inventor 彭艺王明方
Owner KUNMING UNIV OF SCI & TECH
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