Data aggregation method based on non-uniform grids

A non-uniform grid, data aggregation technology, applied in the field of communication, can solve the problems of shortening the network life cycle, large network energy consumption, affecting the performance of wireless sensor applications, etc.

Active Publication Date: 2015-05-13
XIDIAN UNIV
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Problems solved by technology

[0010] The purpose of the present invention is to provide a data aggregation method based on a non-uniform grid, which aims to solve the problems of large network energy consumption, shortened network life cycle and large network delay in the performance of wireless sensor networks, which seriously affect the application performance of wireless sensor networks. question

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  • Data aggregation method based on non-uniform grids

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[0063] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0064] The application principle of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0065] like figure 1 As shown, the non-uniform grid-based data aggregation method of the embodiment of the present invention includes the following steps:

[0066] S101: Randomly distribute a certain number of isomorphic sensor nodes in the deployment area, and divide the deployment area into grids with different sizes;

[0067] S102: Select the cluster head node in each grid according to the remaining energy of the node, and the remaining nodes selectively joi...

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Abstract

The invention discloses a data aggregation method based on non-uniform grids; the method comprises the steps: randomly distributing a certain number of isostructural sensor nodes in a deployment area and dividing the deployment area into grids with different areas; choosing a cluster head node of the grid in each grid according to the residual energy of the nodes and selectively adding the rest nodes into a cluster according to the principle of proximity; judging whether the data gathered by the member nodes in the cluster comply to Labus criterions; if so, considering that the nodes are valid and sending the data to the cluster head node; or else, not sending the data; aggregating the data of the valid member nodes and the generated data by the cluster head node according to the self-adaption aggregation algorithm; sending data to the nodes by the cluster head node in a multi-hop manner and knowing given round number at the end of the operation. The data aggregation method based on non-uniform grids has the advantages of long network life cycle and strong data effectiveness and can be widely applied to big-data collection and transmission of different-scale wireless sensor network.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a data aggregation method based on a non-uniform grid. Background technique [0002] The wireless sensor network is composed of a large number of randomly distributed sensor nodes, and forms a wireless network in a self-organizing and multi-hop manner, which is used to detect, process and transmit the monitoring information of the sensing objects in the network coverage area, and report it to the user in a timely manner. . The basic function of the sensor network is to perceive, collect, process and release the perceived information. A wireless sensor network is generally composed of a large number of sensor nodes, working together to complete various environmental perception, information collection and target recognition tasks. In order to better complete tasks, sensor nodes need to collect a large amount of data information from the deployment area, and tran...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W84/18
CPCY02D30/70
Inventor 张朝辉刘三阳于腾腾
Owner XIDIAN UNIV
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