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Backbone guide structure in wireless sensor network, establishment method and repairing method

A technology of sensing network and guiding structure, which is applied in network planning, network topology, wireless communication, etc., and can solve problems such as shortening node operation time and sending data back to the server.

Inactive Publication Date: 2010-10-13
SPRING FOUND OF NCTU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the sensor nodes at the hot spots run out of power, although the underlying nodes still have power, there is no way to send the data back to the server. The hot spot problem will shorten the operation time of the nodes.

Method used

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  • Backbone guide structure in wireless sensor network, establishment method and repairing method
  • Backbone guide structure in wireless sensor network, establishment method and repairing method
  • Backbone guide structure in wireless sensor network, establishment method and repairing method

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Embodiment Construction

[0037] The present invention considers the current practical wireless network environment, and provides a backbone-guided structure, establishment method and repair method with power-saving effect in the wireless sensor network. When it is necessary to arrange a battery sensor in an environment to sense the local temperature And when monitoring work, if it is an indoor environment, the sensor placed on the aisle for easy battery replacement can be regarded as a node with electricity, and in an outdoor environment, solar panels can be installed on the sensor to make it rechargeable , and thus have more power. Such powered nodes are referred to as "electrical nodes" in the present invention.

[0038] figure 2Shown is the structural diagram of the present invention, in this environment, there are a plurality of electric nodes 22 and general nodes 24, the electric nodes 22 are positions that can continuously provide electric power, positions with relatively large electric power,...

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Abstract

The invention provides a backbone guide structure in the wireless sensor network, an establishment method and a repairing method. Power nodes are utilized to establish the backbone network connected with the server, ordinary nodes of the limited electric quantity are connected to the backbone network. When one power node is damaged, back-end power nodes search whether other backbone power nodes exist in the communication range for wiring again; if not, then a temporary channel is established through ordinary nodes, and the wireless sensor network can be restored when the damaged power nodes are repaired. The backbone network constituted by the power nodes can alleviate the impacts of hotspots to ordinary nodes, thus increasing toughness of backbone network and prolonging service life of wireless sensor network.

Description

technical field [0001] The present invention relates to a technology for strengthening wireless sensor networks, in particular to a backbone-oriented structure, establishment method and repair method with power-saving effects in wireless sensor networks. Background technique [0002] The main function of the wireless sensor network is to observe changes in some physical states in the environment, such as temperature, pressure, humidity, and sound. Deploy multiple sensor nodes (SensorNodes) in the environment to be observed, and form a wireless communication network through the self-organization capabilities of the sensor nodes to detect specific data, and transmit the sensed data wirelessly The technology is transmitted back to the collection point or base station (Sink or Base Station), and then subsequent data processing, analysis and corresponding actions are performed. Wireless sensor networks can be easily set up without human manual operation and management, so they a...

Claims

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Application Information

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IPC IPC(8): H04W16/18H04W52/02H04W84/18
CPCY02D30/70
Inventor 黄贵笠吴昭男王瑞堂曾建超
Owner SPRING FOUND OF NCTU
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