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Cluster head multiple selection energy balance routing method

An energy balancing and cluster head technology, applied in the direction of reducing energy consumption, energy saving ICT, network traffic/resource management, etc., can solve problems such as energy consumption imbalance, reduce energy consumption, alleviate hot spots” problems and delay and balance energy Effect

Active Publication Date: 2012-10-03
浙江科正电子信息产品检验有限公司
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  • Claims
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AI Technical Summary

Problems solved by technology

At the same time, the cluster head selection algorithm and the non-cluster head node clustering algorithm are designed to solve the problem of unbalanced energy consumption among nodes.

Method used

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  • Cluster head multiple selection energy balance routing method
  • Cluster head multiple selection energy balance routing method
  • Cluster head multiple selection energy balance routing method

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Embodiment Construction

[0028] Below in conjunction with accompanying drawing, the present invention will be further described:

[0029] Such as figure 1 As shown, the wireless sensor network model adopted by the present invention is: N sensor nodes (here N we set as 100) are randomly distributed in In the two-dimensional plane area of ​​, the base station (sink node) is set outside the monitoring area to receive and process the data sent by the cluster head. All N nodes are isomorphic, that is, the nodes are exactly the same, have equal status, and have equal initial energy. Moreover, after the node sensor network is deployed, the nodes will no longer be moved artificially, and all nodes will remain stationary. We use the coordinate area x=(0, X ), y=(0, Y )To represent The two-dimensional plane (here we set X=100, Y=100).

[0030] After the network is deployed, the base station will broadcast a "hello" message to all nodes. At a known fixed power level, all nodes can estimate the distance bet...

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Abstract

The invention relates to a cluster head multiple selection energy balance routing method. An existing clustering routing method has the problems that the quantity of cluster heads is unstable, the cluster heads are unreasonably distributed, the existing clustering routing method is lack of the consideration of node residual energy, and inter-cluster single-hop communication causes overlarge cluster head energy consumption and imbalance. The method mainly comprises the following three contents: the strategy of cluster head multiple selection at the clustering stage, cluster head selection algorithm and non cluster head node into cluster algorithm taking energy factor into account, and a heuristic inter-cluster multi-hop communication mechanism at the stable transmission stage. The method ensures that the quantity of generated cluster heads is stable and the cluster heads are uniformly distributed, effectively reduces the energy consumption of a network, balances energy among nodes, and obviously prolongs the life cycle of the network.

Description

technical field [0001] The invention mainly relates to the field of wireless sensor networks, in particular to a cluster head multiple selection energy balance routing method. Background technique [0002] A wireless sensor network is a self-organizing network composed of a large number of sensor nodes randomly distributed in a certain monitoring area through wireless communication technology, and the nodes cooperate to complete the task of sensing, collecting and processing events in the target monitoring area. It has the characteristics of flexible deployment, distributed and low cost, and has been widely used in civilian fields such as military, industry and medical treatment, such as ecological environment monitoring, infrastructure protection, event location, target tracking, etc. [0003] Sensor nodes are usually powered by batteries, and the limited energy of nodes is one of the most important factors restricting the life of the network. In order to achieve higher en...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08H04W40/02H04W52/02H04W84/18
CPCY02B60/50Y02D30/70
Inventor 徐向华蔡延耀
Owner 浙江科正电子信息产品检验有限公司
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