Energy balancing wireless sensor network clustering method

A wireless sensor and energy balancing technology, applied in network topology, wireless communication, network traffic/resource management, etc., can solve the problem of unbalanced network energy consumption and cluster heads, and achieve cluster head distribution, network load balancing, and time reduction. and the effect of power consumption

Active Publication Date: 2011-04-27
JIANGSU HILLSUN INFORMATION IND
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Problems solved by technology

[0010] The purpose of the present invention is to overcome the unbalanced network energy consumption and the bottleneck problem of cluster heads in the prior art, and provide a wireless sensor network clustering method based on energy balance, which can effectively use energy, improve network stability, and balance The energy consumption of the network effectively prolongs the life of the network, making the network have better scalability and security

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Embodiment Construction

[0022] The detailed process of the present invention will be further described below in conjunction with a specific network model.

[0023] In an area of ​​200m×200m, 200 nodes are randomly arranged, and the base station is located at (100, 350). The ratio of the number of cluster heads in each round to the number of surviving nodes in the network is 0.05. The physical model used is:

[0024](1) All nodes are identical and have limited energy, and have the function of data fusion;

[0025] (2) All nodes can communicate with the base station;

[0026] (3) The radio signal consumes the same energy in all directions;

[0027] (4) The base station is fixed, and the energy is unlimited.

[0028] 1 Cluster head selection algorithm

[0029] During the selection process of the cluster head, the present invention ensures uniform distribution of nodes in the network by setting parameters such as the probability of a node in the network being selected as a cluster head, the energy o...

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Abstract

The invention relates to an energy balancing wireless sensor network clustering method, which comprises the following three steps of: selecting cluster heads, building a cluster and transmitting data, wherein in the process of selecting the cluster heads, the priorities of nodes to be selected as the cluster heads are set by parameters such as the energy of the nodes, the number of neighboring nodes and the like, so that the cluster heads are more uniformly distributed; in the process of building the cluster, an energy threshold is set as the rebuilding condition of the cluster, so that the aim of reducing the rebuilding frequency of the cluster is fulfilled; meanwhile, a single-hop and multi-hop combined data transmission model is adopted, so that hot problems in a network are solved. Bythe method, the energy can be effectively utilized, the stability of the network is improved, the energy consumption of the network can be balanced, the service life of the network is effectively prolonged, and the network has higher extensibility and safety.

Description

technical field [0001] The invention relates to an energy-balanced wireless sensor network clustering method, which belongs to the technical field of wireless sensor networks. Background technique [0002] Wireless sensor network (wireless sensor network, WSN) is a special Ad-Hoc network, which is composed of hundreds of small, low-cost, low-energy sensor nodes (referred to as nodes), which can be used for wiring and power supply difficulties. , areas that cannot be reached by personnel (such as polluted, environment cannot be destroyed or hostile areas), and some temporary occasions (such as when a natural disaster occurs, the fixed communication network is destroyed), etc. At present, wireless sensor network (WSN) has important practical value in military, environmental monitoring, industrial control, smart home and urban transportation, etc., and has become one of the hot research fields. Corresponding to different application requirements, various WSNs have great differ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/08H04W40/10H04W52/02H04W52/46H04W84/18
CPCY02B60/50Y02D30/70
Inventor 周治平王亭
Owner JIANGSU HILLSUN INFORMATION IND
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