High-energy node deployment method

A node deployment and node technology, applied in electrical components, wireless communication, network topology, etc., can solve problems such as large energy consumption, and achieve the effect of enhancing functionality and practicability

Active Publication Date: 2013-09-18
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

It is impossible for nodes to use too high a frequency, because the frequency is positively corr

Method used

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Examples

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Embodiment Construction

[0014] Such as figure 1 Shown is a flowchart of a method for deploying a high-energy node according to an embodiment of the present invention, which includes the following steps:

[0015] S1: Number each node except the root node from 1 to n, where n is a positive integer, and each node except the root node queries all nodes except the root node in K hops to form a set list of nodes, in the set list The elements of is the neighbor nodes covered by the node in K hops, where K is a positive integer.

[0016] S2: Select the node with the largest number of node elements in the set list to deploy high-energy nodes.

[0017] Among them, if there is more than one node with the largest number of node elements in the set list, one of the nodes is randomly selected to deploy a high-energy node.

[0018] S3: Delete the set list corresponding to the node element contained in the set list with the largest number of node elements in the set list.

[0019] S4: Determine whether all the set lists have...

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Abstract

The invention provides a high-energy node deployment method which includes: S1, numbering all nodes from 1 to n except for a root node, and enabling each node except for the root node to inquire all nodes except for the root node within K leaps to form a selection set of the nodes; S2, selecting a node portion with the largest node elements in the selection sets to deploy high-energy nodes; S3, deleting selection sets corresponding to node elements contained in the selection set with the largest node elements; S4, judging whether all the selection sets are deleted, executing step S5 if not all the selection sets are deleted, and otherwise executing step S6; S5, judging whether all the numbers of the node elements in the selection sets are 1, executing S2 if the numbers are 1, and otherwise adding one onto the K and executing S6; S6, finishing high-energy node deployment. By means of the high-energy node deployment method, energy consumption of common nodes in a wireless sensor network is reduced, link bandwidth in a network is saved, robustness of the network is enhanced, and the service life is prolonged.

Description

Technical field [0001] The invention belongs to the technical field of wireless sensor network coverage, and specifically relates to a deployment method of high-energy nodes. Background technique [0002] A wireless sensor network is composed of a number of sensor nodes according to a certain topological graph, either randomly distributed or artificially deployed, and the entire network structure is formed through a certain routing protocol. These tiny nodes integrated with sensors, data processing units and communication modules measure the heat, infrared, sonar, radar and seismic wave signals in the surrounding environment, and then detect temperature, humidity, noise, light intensity, pressure, soil composition, and movement. Physical quantities such as the size, speed and direction of the object. [0003] In terms of communication methods, although wired, wireless, infrared and optical forms can be used, it is generally believed that short-distance wireless low-power communica...

Claims

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Application Information

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IPC IPC(8): H04W16/18H04W84/18
Inventor 徐恪姚龙陈文龙
Owner TSINGHUA UNIV
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