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Dynamic network fault diagnosis method under 5G network slice

A network slicing and dynamic network technology, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as increased network noise and inaccurate fault propagation models, and achieve the effect of solving increased network noise and correcting interference.

Active Publication Date: 2021-01-22
SHENZHEN POWER SUPPLY BUREAU
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  • Claims
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a dynamic network fault diagnosis method under 5G network slicing, which is used to solve the problem of increased network noise caused by existing network dynamics and Fault Propagation Model Inaccurate Issues

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  • Dynamic network fault diagnosis method under 5G network slice
  • Dynamic network fault diagnosis method under 5G network slice
  • Dynamic network fault diagnosis method under 5G network slice

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Embodiment Construction

[0036] In this patent, the specific implementation manner will be further described below in conjunction with the accompanying drawings and embodiments.

[0037] Such as figure 1 As shown, the embodiment of the present invention provides a dynamic network fault diagnosis method under 5G network slicing, and the method includes:

[0038] Step S11 , constructing an initial fault propagation model, the initial fault propagation model including a fault node, a symptom node, and a directed line from the fault node to the symptom node.

[0039] In this embodiment, the underlying network and the virtual network respectively use the undirected weighted graph G S =(N S ,E S ), G V =(N V ,EV ) means, among them, N S and N V Respectively represent the underlying node set and the virtual node set, E S and E V Respectively represent the underlying link set and the virtual link set. use M N :(N V →N S ,E V →P S ) means that the underlying network node N S Resource allocation...

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Abstract

The invention provides a dynamic network fault diagnosis method under a 5G network slice. The method comprises the following steps: calculating the unavailability credibility of each fault node according to the probability that each fault node causes each symptom node to be unavailable in a symptom range observed by a webmaster and the unavailability probability that each fault node causes each symptom node in all symptom ranges, and calculating the correction value of each symptom node; correcting the original state and the current state of the symptom node by utilizing the correction value of the symptom node; constructing a fault propagation model based on the time slice; obtaining the original state and the current state of the corrected symptom node, and calculating the original stateof the fault node according to the original state of the corrected symptom node; and calculating the current state of the fault node according to the original state of the fault node, the corrected original state of the symptom node and the current state. According to the invention, the problems of noise increase and inaccurate fault propagation model caused by increased network dynamics in the prior art are solved.

Description

technical field [0001] The invention relates to the technical field of 5G communication, in particular to a dynamic network fault diagnosis method under 5G network slicing. Background technique [0002] The high-bandwidth and low-latency characteristics of 5G networks meet the network needs of people in their work and life. In this context, there are more and more application scenarios of 5G networks, which have significantly improved work efficiency and convenience of life. However, due to the variety and quantity of 5G network services, the demand for network resources has increased significantly. In order to improve the utilization rate of network resources and ensure the service quality of various services, network slicing technology has become a network technology framework commonly recognized by network equipment vendors and network operators. After network slicing, the existing physical network is divided into an underlying network and a virtual network. The wirele...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04W24/04
CPCH04L41/064H04L41/065H04L41/142H04L41/12H04W24/04
Inventor 黄晓奇谭康保剑周瑾瑜王龙周雨涛丘国良郑启文欧明辉吴俊宇宋旅宁
Owner SHENZHEN POWER SUPPLY BUREAU
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