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Method for arranging nodes in mobile sensor network by utilizing pipelines

A mobile sensor and mobile node technology, applied in network topology, network planning, electrical components, etc., can solve the problems of a large number of mobile nodes, regardless of the node deployment method and system efficiency, and node resource waste, etc., to achieve high practicability and reliability. Implementability, effect of avoiding requirements that require highly intelligent path planning capabilities

Inactive Publication Date: 2014-02-12
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

[0008] To sum up, the current methods of mobile sensor area coverage either assume that the mobile nodes can move freely without considering the complexity and overhead in actual movement, or do not consider the node deployment method and system efficiency, and can achieve K in the same area. When the problem occurs, the number of mobile nodes required is too large, resulting in a waste of node resources

Method used

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  • Method for arranging nodes in mobile sensor network by utilizing pipelines
  • Method for arranging nodes in mobile sensor network by utilizing pipelines

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Experimental program
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Embodiment Construction

[0047] figure 1 It is the overall flow chart of the present invention

[0048] Step 1: Deploy the pipeline and divide the entire monitoring area into several equal-area blocks.

[0049] Step 2: Perform pipeline discretization, and convert the pipeline into several discrete candidate points.

[0050] Step 3: Deploy the mobile nodes on these candidate points, so that the monitoring of the area with the least number of nodes reaches the K-reachable state. When no event occurs, the mobile nodes will not move.

[0051] Step 4: Once an event occurs, node movement will cause a drop in reachability, and the mobile node will reach the K-reachable state again through redistribution.

[0052] figure 2 It is a flow chart of the second step pipeline discrete method of the present invention. Pipeline discretization is to transform the original continuous pipeline into several discrete alternative points. After discretization, the minimum number of K-reachable problems is transformed i...

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Abstract

The invention discloses a method for arranging nodes in a mobile sensor network by utilizing pipelines. The invention aims to solve a K accessibility problem of a monitoring area by utilizing the least mobile nodes and promote the efficiency of mobile node arrangement. According to the technical scheme, the method comprises the following steps of: dispersing the pipelines at first; converting the pipelines into dispersed optional points; adopting a centre-spreading arranging method to arrange the mobile nodes on the optional points, thereby ensuring the least mobile nodes under an accessibility condition; and after an event occurs, monitoring by moving the adjacent nodes to an event occurring area and moveably distributing other nodes, thereby ensuring the accurate monitoring for the event and keeping the K accessibility of the event occurring area. According to the method, the nodes are arranged under the existence of pipelines, the difficulty of the mobile nodes in adapting to a complex topography in practical application is overcome, the practicability and the implementing property are higher, and the quantity of the nodes used under same monitoring capacity is least.

Description

technical field [0001] The invention relates to a deployment method of a mobile node in a mobile sensor network, in particular to a deployment method of a mobile node in a mobile sensor network under the condition of pipeline deployment. Background technique [0002] In recent years, wireless sensor networks are emerging as a new technology for monitoring the real world. Traditional sensor networks generally use static nodes to collect data and transmit the data back to the monitoring center. If high-precision monitoring is to be carried out, each node must be equipped with a sensor that meets the precision requirements, which will increase the overhead of the entire sensor network. Another feasible solution is to construct a mixed network including stationary nodes and mobile nodes. At this time, stationary nodes can adopt relatively cheap low-precision components, which completely cover the target area; mobile nodes are equipped with high-precision components, but their ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/18H04W84/18
Inventor 郑思李姗姗廖湘科彭绍亮王小平董德尊王蕾鲁晓佩范小康
Owner NAT UNIV OF DEFENSE TECH
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