Management and control node selection method in content center wireless network

A technology for controlling nodes and wireless networks, applied in network traffic/resource management, wireless communication, electrical components, etc., can solve the problems of processing capacity, storage capacity evaluation, local link load, insufficient monitoring capacity, etc., to reduce transmission The effect of data volume, reducing network size, and avoiding network congestion

Active Publication Date: 2014-06-25
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the algorithm is essentially an optimal allocation strategy for network bandwidth resources
The algorithm only uses the flow pressure parameter as the only single index to select ICP nodes, and does not comprehensively evaluate the processing capacity, storage capacity and other attributes of the nodes. It cannot guarantee that the selected ICP nod

Method used

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  • Management and control node selection method in content center wireless network
  • Management and control node selection method in content center wireless network
  • Management and control node selection method in content center wireless network

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Embodiment 1

[0020] figure 1 It is a flowchart of a method for selecting a management and control node in a content-centric wireless network provided by Embodiment 1 of the present invention. Such as figure 1 As shown, the method mainly includes the following steps:

[0021] Step 11. Abstract the current network topology into a weighted undirected graph G, and calculate the topological potential of each node in the graph G.

[0022] In the embodiment of the present invention, the weighted undirected graph G can be expressed as: G=(N, E), wherein, N represents the node set of the graph G, E is the edge set of the graph G, and e ij represents node n i with n j link between

[0023] A=(a ij ) K×K Denotes the adjacency matrix of graph G, where, a ij = 1 , e ij ∈ ...

Embodiment 2

[0037] In order to facilitate understanding of the present invention, below in conjunction with Figure 2-3 The present invention will be further described.

[0038] In the embodiment of the present invention, the network topology is a weighted undirected graph G=(N, E), wherein, N represents the node set of the graph G, E is the edge set of the graph G, and e ij represents node n i with n j The link between; A=(a ij ) K×K Denotes the adjacency matrix of graph G, where, a ij = 1 , e ij ∈ E 0 , e ij ∉ E i ...

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Abstract

The invention discloses a management and control node selection method in a content center wireless network. The method comprises the steps that current network topology is abstracted into a weighted undirected graph G, and the topology potential of each node in the graph G is calculated; any initial node ni is selected, and searching is started based on the topology potential until the node with the maximum local topology potential is found out; then searching is started from the node with the maximum local topology potential in the descent direction of the topology potential until the tip node is reached; the nodes related in the searching process in the descent direction of the topology potential are divided into virtual network cells; after all the nodes in the graph G are divided, the nodes with the maximum local topology potential in all the virtual network cells are used as the management and control nodes in the virtual network cells. The management and control node selection method is used, the time delay for searching and feeding back of the content in the cells is shortened, and the quality of whole network communication service is improved.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a method for selecting a management and control node in a content-centric wireless network. Background technique [0002] With the rapid development of network technology and applications, the limited, rigid, poor management and control capabilities of network resources and the diversity and suddenness of network requirements have become the main contradictions faced by network operations. How to efficiently utilize existing network resources to maximize the satisfaction of users' business needs and requirements for service quality has become an important problem to be solved urgently. [0003] In the research of future network architecture, Content-Centric Network (CCN) aims at users' increasing demand for content-related services, and researches a new network architecture that uses content as network identification to replace the existing network IP thin waist. ...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W28/10
Inventor 张天魁许晓耕周乐冯春燕
Owner BEIJING UNIV OF POSTS & TELECOMM
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