A mobile energy replenishment method based on virtual backbone network

A virtual backbone network and energy supplement technology, applied in the field of wireless rechargeable sensor networks, can solve the problems of large energy loss and poor stability of long-distance charging

Active Publication Date: 2020-08-25
KUNMING UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Energy replenishment is generally charged by a mobile charging device. The charging device can charge it after being close to the node, or it can be charged over a long distance, but the energy loss of long-distance charging is relatively large, and the stability is poor.

Method used

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  • A mobile energy replenishment method based on virtual backbone network
  • A mobile energy replenishment method based on virtual backbone network
  • A mobile energy replenishment method based on virtual backbone network

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Experimental program
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Embodiment 1

[0057] Embodiment 1: as Figure 1-4 As shown, a mobile energy replenishment method based on a virtual backbone network. The mobile charging device-MC always preferentially selects the node with the highest node priority for charging. The priority is determined according to the real-time communication traffic of the nodes in the network. The communication The greater the amount, the greater the load on the node, and the greater the priority of the corresponding node. Each time the node with the highest priority is selected for charging, it can effectively prevent the node from quickly entering the state of energy starvation. The requirement that the charging method that the present invention relates to satisfies is:

[0058] (1) The nodes in the network are divided into backbone nodes and non-backbone nodes. The roles shared by different types of nodes should be clarified. This paper stipulates that non-backbone nodes periodically collect and send information, and backbone node...

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Abstract

The invention relates to a mobile energy supplementary method based on a virtual backbone network, and belongs to the technical field of the wireless sensor network. In the wireless sensor network, the backbone network can conveniently realize the data aggregation, and is in favor of achieving the high-energy data collection, but the backbone network is faced with a problem that the backbone connection is interrupted since a backbone node is fast in energy consumption and the node energy exhaustion is easy to occur. The fast energy consumption problem of the backbone network node in the wireless sensor network is solved by using the mobile energy supplementary technology, and the energy supplementary on the non-backbone node is further considered. By using the method provided by the invention, the charging priority of the node is computed according to the communication traffic of the node, the node with the largest priority is selected as a charging candidate node to preferentially satisfy the energy demand of the high-load node, and the failure of the node caused by energy exhaustion is effectively avoided. A new method is provided for realizing the long life cycle and sustainablerunning of the wireless sensor network with the backbone network.

Description

technical field [0001] The invention relates to a mobile energy replenishment method based on a virtual backbone network, and belongs to the technical field of wireless rechargeable sensor networks. Background technique [0002] The wireless sensor network is composed of a large number of sensor nodes. The sensor nodes in the network can collect the network environment information within its sensing radius, and aggregate the collected information. After processing, the information is sent to the base station node through multi-hop. , and then the base station uploads the information to the network for user analysis and use. However, wireless sensor nodes are powered by their own batteries, which are limited by volume, cost, battery capacity and other technologies, which means that nodes in the network may fail at any time due to insufficient energy, resulting in network interruption, data loss, and node perception. Coverage hole, even network paralysis, etc. In addition, n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04W52/02H04W84/18H01M10/44
CPCY02D30/70Y02E60/10
Inventor 冯勇郭龙钱谦付晓东
Owner KUNMING UNIV OF SCI & TECH
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