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Network data processing method, network node equipment and fusion center equipment

A technology of network nodes and processing methods, applied in the field of wireless monitoring, can solve the problems of data compression of network nodes that cannot be non-sparse

Inactive Publication Date: 2011-12-28
BEIHANG UNIV
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a network data processing method, network node equipment, and fusion center equipment to solve the problem that the prior art cannot compress non-sparse network node data and can only compress single network node data The shortcomings of the graph wavelet can be used to realize the spatial sparsity of the data and perform network-level joint CS compression

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  • Network data processing method, network node equipment and fusion center equipment
  • Network data processing method, network node equipment and fusion center equipment
  • Network data processing method, network node equipment and fusion center equipment

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Embodiment Construction

[0013] The technical solutions of the embodiments of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0014] According to an embodiment of the present invention, a method for processing network data is provided, figure 1 It is a flow chart of the network data processing method of the embodiment of the present invention. In the embodiment of the present invention, the data of the entire network is jointly considered, and the spatial correlation is used to realize the sparse representation of network data under spatial transformation through graphic wavelets, and the network-level joint CS compression and reconstruction are performed. Below, the technical solutions of the embodiments of the present invention are described in detail, as figure 1 As shown, the network data processing method according to the embodiment of the present invention includes the following processing:

[0015] Step 101, const...

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Abstract

The present invention provides a network data processing method, network node equipment and fusion center equipment, wherein the method includes: constructing a graphic wavelet corresponding to the network node, and applying the graphic wavelet to transform the node data on the network node to obtain the network node Transforming data, wherein, graph wavelet is used for the data comparison of network node and the network node in the adjacent area of ​​network node; Application network node produces the stochastic compression sensing matrix to compress transformed data, obtains the compressed data of network node; The compressed data is mixed with the compressed data of other network nodes in free space, and the mixed compressed data is obtained and sent to the fusion center. By combining the whole network data and using graphic wavelet to realize the spatial sparsity of data, the compression of sparse data and non-sparse data based on the whole network data is realized.

Description

technical field [0001] The embodiment of the present invention relates to the technical field of wireless monitoring, and in particular to a network data processing method, network node equipment and fusion center equipment. Background technique [0002] In related technologies, monitoring and listening systems will increasingly rely on various distributed wireless sensor networks to ensure reliable data acquisition in various extremely complex and unstable environments. At present, the monitoring system adopts the method of collecting information at each network node and transmitting it to the destination network node for monitoring. This method has been widely used in control, communication, intelligent monitoring, tracking, remote sensing, navigation, meteorology, and air traffic management. And non-military fields such as medical treatment. The sensor network contains a large number of wireless sensor nodes, which are distributed in the physical environment to be observ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W84/18H03M7/30
Inventor 张军杜冰郑磊
Owner BEIHANG UNIV