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Energy efficient wireless sensor network routing method

A wireless sensor and sensor network technology, applied in the direction of data exchange network, transmission system, energy consumption reduction, etc., can solve the problem of costly calculation link pheromone concentration, etc., achieve the effect of low energy consumption, prevent death, and simple protocol

Inactive Publication Date: 2009-02-04
XIDIAN UNIV
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Problems solved by technology

These routing methods, with the increase of network size, need to spend a lot of money to calculate and maintain the link pheromone concentration

Method used

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Embodiment Construction

[0058] specific implementation plan

[0059] In conjunction with above-mentioned accompanying drawing, the sensor network routing algorithm based on ant colony that the present invention proposes, the specific implementation of each part that this algorithm comprises is as follows:

[0060] 1. Protocol steps:

[0061] The sensor network routing protocol based on the ant colony algorithm is aimed at the sensor network architecture of hierarchical clustering, such as figure 1 shown. The Sink node first obtains the topology structure of the sensor network and the energy status of the network nodes, and each node obtains the hop count of the Sink node, then uses the repeated segmentation method to divide the clusters, establishes the sensor network clusters, and then performs inter-cluster routing based on the ant colony algorithm and route maintenance.

[0062] The steps of the sensor network routing protocol based on the ant colony algorithm are as follows, and the specific p...

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Abstract

The invention discloses a routing method for the wireless sensor network with efficient energy, which is suitable for the layered sensor network structure. The routing method is composed of initialization, cluster building, adjacent clusters routing and routing maintenance, wherein, an initialization process of the protocol makes a Sink node obtain a topology and network average energy of the sensor network, and each node obtains hop counts from the node to the Sink node; in the stage of the cluster building, a repeated division method is used to divide sensor network clusters, the divided clusters are even, and a leader cluster node is undertaken by nodes with higher residual energy; the adjacent clusters routing uses an ant colony algorithm to determine the probability of using a link to send information according to the link pheromone concentration, and the link pheromone concentration is increased with the information transmission on the link and is reduced with the time going; and the routing maintenance stage is responsible for updating link pheromone concentration, and makes the nodes inside the cluster with higher residual energy undertake the leader cluster in turn. The routing method can reduce the consumption of the network total energy, can balance the consumption of the node energy and can prolong the network life cycle.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor network communication, and specifically uses the basic principle of the ant colony algorithm in biology to propose an energy-efficient wireless sensor network (WSN) routing protocol to solve the problem of efficient routing of wireless sensor networks with limited resources , this routing protocol is suitable for layered wireless sensor networks. In the process of data transmission, the application of this routing protocol can reduce the energy consumption of the wireless sensor network, balance the energy consumption among the various nodes of the network, prevent some nodes from dying due to excessive energy consumption, and prolong the life cycle of the network. Background technique [0002] The development of short-distance wireless communication, microelectronics and sensor technology has made great progress in sensor network technology. Sensor information acquisition technology has ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/28H04L29/08H04L45/122
CPCY02B60/42Y02B60/50Y02D30/00
Inventor 裴庆祺沈玉龙马建峰庞辽军曾勇李兴华王超杨力毛立强杨超刘家佳
Owner XIDIAN UNIV
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