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SAMP reconstructing method based on Haar wavelet tree

A wavelet tree and candidate set technology, applied in the field of heterogeneous networks, can solve the problems of occupying large bandwidth and affecting the efficiency of performance data transmission, etc., and achieve the effect of reducing running time, improving reconstruction accuracy and success probability

Inactive Publication Date: 2014-12-24
SUZHOU NEW DACHENG TECH DEV +1
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Problems solved by technology

In order to ensure the normal operation of different devices, the network management system needs to monitor the network parameters and device parameters in the heterogeneous network in real time. The complex structure of the heterogeneous network and the variety of devices will inevitably result in massive performance data. Processing, which not only occupies a large amount of bandwidth during transmission, but also affects the efficiency of performance data transmission

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  • SAMP reconstructing method based on Haar wavelet tree
  • SAMP reconstructing method based on Haar wavelet tree
  • SAMP reconstructing method based on Haar wavelet tree

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Embodiment Construction

[0038] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0039] figure 1 Shown is the compressed sensing processing process based on Haar wavelet transform of the present invention, and the processing flow of performance data in compressed sensing is:

[0040] (1) The collected performance data is decomposed into low-frequency components and high-frequency components through Haar wavelet multi-layer decomposition.

[0041] (2) Low-frequency components do not have sparsity, so no compression processing is performed. High-frequency components contain a large number of small values ​​(that is, useless information), have sparsity, and can be processed by compressed sensing.

[0042] (3) The random Gaussian matrix is ​​used as the measurement matrix to observe the high-freque...

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Abstract

The invention provides an SAMP reconstructing method based on a Haar wavelet tree. The method includes the steps that a performance data high-frequency component is received at a receiving end, and an observation value is obtained through an observation matrix; a candidate set, an addition threshold value, a deletion threshold value and the like are initialized; multiple atoms with set membership are selected, and an approximate value of the high-frequency component is obtained after multiple times of iterative computation; a low-frequency component and a high-frequency reconstruction component undergo Haar reconstruction, so that compressed performance data are obtained. By means of the method, operation time during reconstruction is shortened, the reconstruction success rate is improved, a reconstructed high-frequency coefficient approaches an original high-frequency coefficient, and reconstruction precision is high.

Description

technical field [0001] The invention relates to a method for compressing performance data in heterogeneous network performance management, in particular to a Haar wavelet tree-based SAMP reconstruction method, which belongs to the field of heterogeneous networks. Background technique [0002] Heterogeneous network is not a new network, it is a hybrid network that combines existing multiple networks into a whole. Due to the fact that there are different devices in multiple networks, the number of network devices is huge, there are various types, functions and structures, and as the scale of the network continues to expand, the complexity of the network continues to increase. In order to ensure the normal operation of different devices, the network management system needs to monitor the network parameters and device parameters in the heterogeneous network in real time. The complex structure of the heterogeneous network and the variety of devices will inevitably result in massi...

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Application Information

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IPC IPC(8): H03M7/30
Inventor 杨建东张登银李秀云陈磊
Owner SUZHOU NEW DACHENG TECH DEV