Efficient inhomogeneous clustering routing method of wireless sensor network

A wireless sensor and non-uniform clustering technology, applied in network topology, wireless communication, advanced technology, etc., can solve problems such as unbalanced energy consumption, and achieve the effects of reducing energy consumption, good social and economic benefits, and balanced energy consumption

Inactive Publication Date: 2011-08-17
YIFENG COMM EQUIP YANGZHOU
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to address the deficiencies of the prior art, in order to solve the problem of unbalanced energy consumption in the wireless sensor network, use the fuzzy logic system for the selection of the optimal cluster head and the estimation of the cluster

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  • Efficient inhomogeneous clustering routing method of wireless sensor network
  • Efficient inhomogeneous clustering routing method of wireless sensor network
  • Efficient inhomogeneous clustering routing method of wireless sensor network

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Embodiment Construction

[0036] First, the entire network system of the present invention satisfies the following assumptions:

[0037] (1) The location of sensor nodes and base station BS will not move after deployment.

[0038] (2) All nodes in the network are homogeneous, have the same performance, equal initial energy, and each node is assigned a unique ID number.

[0039] (3) According to the distance of the receiver, the node can freely adjust its transmission power to save energy consumption.

[0040] (4) The link is symmetrical. If the transmission power of the other party is known, the node can calculate the approximate distance from the sender to itself according to the strength RSSI of the received signal.

[0041] The energy-efficient wireless sensor network non-uniform clustering routing method mainly consists of three parts: network initialization, fuzzy logic clustering and inter-cluster routing establishment. figure 1 The flow chart of this method specifically explains the above thre...

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Abstract

The embodiment of the invention provides an efficient inhomogeneous clustering routing method of a wireless sensor network, which is suitable for a large-scale wireless sensor network with a layered structure. Sensor nodes form candidate cluster head nodes in a certain proportion, the candidate cluster head nodes acquire local information and estimate local information by applying a fuzzy logic method to form probability of the final cluster head node and the radius of the cluster corresponding to the final cluster head node, and an optimal cluster head is selected through local competence for carrying out construction of inhomogeneous clusters. A multi-hop mode is adopted in inter-cluster data transmission, multi-hop data transmission characteristics are considered, and the efficient inter-cluster route is established in the cluster head nodes by adopting an adaptive maximum-minimum ant colony optimization strategy. According to the routing method, energy utilization efficiency of the nodes can be increased, energy consumption of the nodes is balanced, and life cycle of the network is prolonged.

Description

technical field [0001] The invention relates to the field of wireless sensor networks, and in particular combines fuzzy logic and self-adaptive maximum-minimum ant colony optimization strategy and refers to non-uniform clustering and inter-cluster multi-hop communication of wireless sensor networks. Background technique [0002] Wireless sensor network (wireless sensor network, WSN) is composed of a large number of cheap micro sensor nodes deployed in the monitoring area, a multi-hop self-organizing network system composed of wireless communication, the purpose of which is to cooperatively sense, collect and Process the information of the perceived objects in the network coverage area and send it to the observer. Wireless sensor network (WSN) has the characteristics of large-scale dense deployment, limited node resources, small wireless bandwidth, and dynamic topology changes. It can be widely used in education, military, medical, transportation and other fields. At present,...

Claims

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Application Information

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IPC IPC(8): H04W40/02H04W84/18
CPCY02B60/42Y02B60/50Y02D30/00Y02D30/70
Inventor 赵成林毛松谭虎
Owner YIFENG COMM EQUIP YANGZHOU
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