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Balanced energy consumption routing method of controllable cluster scale

A technology of energy balance and routing, applied in the direction of energy reduction, climate sustainability, sustainable communication technology, etc., can solve the problems of unbalanced node load and short network service life, and achieve the effect of small limitations

Active Publication Date: 2017-11-21
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0003] In order to overcome the disadvantages of unbalanced node load and short service life of the existing wireless sensor network routing method, the present invention provides a controllable cluster-scale energy-balancing routing method that fully considers load balance and prolongs the network service life.

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  • Balanced energy consumption routing method of controllable cluster scale
  • Balanced energy consumption routing method of controllable cluster scale
  • Balanced energy consumption routing method of controllable cluster scale

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] refer to Figure 1 ~ Figure 3 , an energy-balancing routing method with controllable cluster size, comprising the following steps:

[0034] Step 1: Cluster head election;

[0035] Step 1.1: Significance of cluster head election. The selection of cluster head has a great impact on the clustering routing protocol. Selecting a suitable node as a cluster head can better balance the energy consumption of the network and prolong the network lifetime. The task of the cluster head is to receive the message of the cluster member node and forward it to the next hop cluster head, so the cluster head needs to consider the remaining energy, and then the cluster member nodes will send a large number of data packets to the cluster head node, so the cluster member nodes and the cluster head The link quality (LQI) between nodes is better. Finally, the communication between cl...

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Abstract

The invention provides a balanced energy consumption routing method of a controllable cluster scale. The method comprises the following steps: voting a cluster head through residual energy of a cluster head candidate node, link quality (LQL) between the cluster head candidate node and other cluster member nodes and the degree of the cluster head candidate node; step 2, adding a common sensor node to the cluster head by using a virtual gravitation method to form a cluster so as to control the cluster scale; and step 3, designing a next hop cost selection function of the cluster head to balance the energy consumption of the cluster head node in the network, wherein the routing between the cluster heads adopts a link routing protocol. The invention provides a balanced energy consumption routing protocol of the controllable cluster scale, and the protocol fully considers the load balance during cluster head voting, cluster scale control and cluster head routing. Therefore, the balanced energy consumption routing method is of great importance for the research of the main difficulty of node load imbalance of the wireless sensor network routing.

Description

technical field [0001] The invention relates to a routing method for a wireless sensor network, in particular to a routing method for energy balance with controllable cluster scale. Background technique [0002] Wireless sensor network (WSN) is a multi-hop self-organizing network formed by a large number of cheap micro sensor nodes deployed in the monitoring area through wireless communication. Its main function is data collection and monitoring, and it is widely used in various fields. Generally, the sensor network deployment area has a complex environment, it is difficult to replace the battery of the sensor node, and it is easy to die when the node power supply is limited, especially the large-scale sensor network needs to collect and forward a large amount of data. In the process of forwarding data, some sensor nodes are overloaded and consume too much energy, which eventually leads to the premature death of wireless sensor networks. Therefore, it is of great significanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08H04W40/10H04W40/32H04W84/18
CPCH04W28/08H04W40/10H04W40/32H04W84/18Y02D30/70
Inventor 李小薪周元申吴克宋
Owner ZHEJIANG UNIV OF TECH
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