Service life prediction technique facing regular band shaped wireless sensor network

A technology of wireless sensors and sensor nodes, applied in data exchange networks, transmission systems, digital transmission systems, etc., can solve problems such as the life prediction method of strip wireless sensor networks that have not yet been found, and achieve the effect of easy implementation and simplified network management.

Inactive Publication Date: 2010-12-29
JIAXING WIRELESS SENSOR NETWORKS CENT CAS
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  • Description
  • Claims
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Problems solved by technology

No reports on life prediction methods for strip wireless sensor networks have been found so far

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  • Service life prediction technique facing regular band shaped wireless sensor network
  • Service life prediction technique facing regular band shaped wireless sensor network
  • Service life prediction technique facing regular band shaped wireless sensor network

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0016] In the present invention, it is assumed that each node in the network is powered by a battery and has the ability to detect its own current remaining power, has a maximum transmission radius, and has unlimited power control capabilities. The data collected by the sensor network is transmitted to the Sink by the sensor nodes along the strip structure, and the strip network has a narrow width (that is, the width of the strip network is much smaller than the transmission radius of the nodes, such as the width of the strip network is 5 meters, and the maximum transmission radius of the nodes is 30 Meter). There are no special requirements on the network topology and network structure.

[0017] According to the above network deployment rules and in combination with the above node capability requirements, the present invention predicts the life span o...

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Abstract

The invention provides a method for predicating the life time of a distributing-type ribbon pattern wireless sensor network, which can satisfy the requirement for predicating the remaining life time of the ribbon pattern wireless sensor network. The invention assumes that the location of a node is given, requiring the node being disposed in rule. The invention is characterized in that: every nodeindependently confirms a network cut set based and containing the node according to the local network knowledge, then confirms the average consumption of the node in the cut set in a period of time and calculates the life time of the cut set combining the remaining total energy of the cut set node; confirming the life time value of the cut set with the shortest life time in the network by transmitting a signaling to a convergence node through a node with the furthest distance to the convergence node. The life time of the network is obtained when the convergence node receives the signaling. The method for predicating life time of the invention adopts distributing-type method, which is simple and easy to be realized, applicable for ribbon pattern network.

Description

technical field [0001] The invention relates to a life prediction method oriented to a strip wireless sensor network, which is mainly used to solve the life prediction problem of a regular strip wireless sensor network. Background technique [0002] Band wireless sensor networks have broad application prospects in perimeter imitation intrusion, intelligent transportation systems, river / bridge monitoring, etc. Recently, they are becoming a fast-growing branch of wireless sensor networks and are beginning to get many practical applications. The most important feature of the strip wireless sensor network is that the network is deployed in a strip shape, and the nodes in the network have the characteristics of limited energy and large number. Lifetime prediction for strip wireless sensor networks is an important issue in deploying and maintaining such networks. So far, no report has been found on the life prediction method of strip wireless sensor network. The strip wireless s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26H04L12/28
Inventor 刘海涛张宝贤高雪赵壮姚郑黄奎张锋
Owner JIAXING WIRELESS SENSOR NETWORKS CENT CAS
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