Control method for shrouding wireless sensor network using node boundary

A wireless sensor network and wireless sensor technology, applied in the field of wireless sensor network coverage control using node boundary coverage, can solve the problems of wireless sensor redundancy, high sensing area, uneven node distribution, etc., and achieve low algorithm time complexity The effect of high degree and wide application range

Inactive Publication Date: 2009-01-21
BEIHANG UNIV
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Problems solved by technology

[0005] The random deployment of wireless sensor networks leads to uneven distribution of nodes, and the sensing areas of multiple nodes often produce overlapping coverage areas (see figure 2 As shown, there are areas with oblique lines in the figure), which makes the coverage K of some sensing areas too high, resulting in the redundancy of wireless sensors set in the w

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  • Control method for shrouding wireless sensor network using node boundary
  • Control method for shrouding wireless sensor network using node boundary
  • Control method for shrouding wireless sensor network using node boundary

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Embodiment Construction

[0022] The present invention will be further described in detail below with reference to the drawings and embodiments.

[0023] The present invention is a wireless sensor network coverage control method using node boundary coverage. The node boundary coverage wireless sensor network coverage control method adopts the node sleep qualification determination rule EPC to dynamically sleep control of each node distributed in the wireless sensor network. According to the collected node positions of all neighboring nodes, each node uses EPC to determine the dormant qualifications. When the conditions are met, the node enters the dormant state. The network coverage control method of the present invention judges the redundancy of each sensor node in the network with sufficient and necessary conditions with lower computational complexity, and realizes distributed network coverage control with configurable coverage K.

[0024] See Figure 5 As shown, the processing steps of a method for cover...

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Abstract

The invention discloses a wireless sensor network covering and controlling method which adopt the node boundary coverage. The network covering and controlling method adopts a node dormancy sleep qualification criterion ERPC to carry out the dynamic sleep control on each node distributed in the wireless sensor network. According to the position information of the surrounding neighbor collected by each node, the node sleep qualification criterion ERPC is used to judge the sleep qualification, and the node which meets the condition enters into the sleep status. The network covering and controlling method of the invention utilizes the lower computational complexity and the necessary and sufficient condition to judge the redundancy of each node in the network, and realizes the coverage-configurable distributed network covering and controlling.

Description

Technical field [0001] The present invention relates to a method for controlling the working state of nodes in a wireless sensor network, more particularly, it refers to a network that uses node boundary coverage to determine the eligibility of a node to sleep, and dynamically controls the working state of any node and its neighbor nodes according to the determination result Coverage control method. Background technique [0002] Wireless Sensor Network (Wireless Sensor Network, WSN) is composed of a large number of wireless sensors deployed in the monitoring area, a multi-hop self-organizing network system formed through wireless communication (see figure 1 (Shown), its purpose is to cooperatively sense, collect and process the information of the sensed objects in the network coverage area, and send it to the user. Each wireless sensor is called a node in the wireless sensor network, and the node that can communicate with the node is called the neighbor node of the node. Each no...

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Application Information

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IPC IPC(8): H04L12/56H04L12/28H04L29/08
Inventor 刘玉恒蒲菊华刘云璐熊璋张硕
Owner BEIHANG UNIV
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