Wireless sensor network routing method based on fuzzy logic

A wireless sensor and fuzzy logic technology, applied in wireless communication, network traffic/resource management, advanced technology, etc., can solve the problems of unbalanced energy load, large energy consumption, short network life cycle, etc., and achieve energy load balance, energy The effect of low consumption and rationalized location selection

Inactive Publication Date: 2018-06-15
YANGZHOU UNIV
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Problems solved by technology

[0006] In short, the problems existing in the existing technology are: wireless sensor network r

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  • Wireless sensor network routing method based on fuzzy logic
  • Wireless sensor network routing method based on fuzzy logic
  • Wireless sensor network routing method based on fuzzy logic

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Embodiment Construction

[0024] Such as figure 1 As shown, the present invention is a wireless sensor network routing method based on fuzzy logic. The wireless sensor network includes a mobile gateway and a plurality of sensor nodes that move freely in the sensing area. In the initial state, all sensor nodes have the same initial energy Ordinary state node, the mobile gateway directly communicates with the cluster head node, and each round of data collection process includes the following steps:

[0025] (10) Initial cluster division: At the beginning of each round, each sensor node generates a random number x, if the random number is less than a given threshold T(n), the state of the current node i changes to a candidate cluster head node , when i is the maximum number of nodes, all sensor nodes have completed the state change, and at this time, the common state node selects the nearest candidate cluster head node and joins the cluster;

[0026] Initial variable settings:

[0027] 1) The number N o...

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Abstract

The invention discloses a wireless sensor network routing method based on fuzzy logic. Each turn of data collection process comprises the following steps: (10) cluster initial dividing: each sensor node generates a random numb, if the random number is less than a given threshold, the current node state is translated into a candidate cluster head node, and the normal state node selects the candidate cluster head node nearby to add in the cluster; (20), mobile gateway location information broadcasting: a mobile gateway broadcasts the own location information, the sensor node computes the distance to the mobile gateway node after receiving the mobile gateway location; (3) cluster head selection: selecting a cluster head node of each cluster by adopting a fuzzy logic system model according thea state parameter of each cluster member; and (40), data collection: the data is collected by the sensor node, and is uploaded to a base station by the mobile gateway after being aggregated and fusedat the cluster head node. The routing method disclosed by the invention is balance in energy load, small in energy consumption and long in network life cycle.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor networks, in particular to a wireless sensor network routing method based on fuzzy logic with energy load balance, low energy consumption and long network life cycle. Background technique [0002] A wireless sensor network (WSN) is usually composed of a large number of small and low-cost sensor nodes. The sensor nodes send the collected information to the sink node through a single-hop or multi-hop method. These sensor nodes themselves have computing power, storage capacity and communication capacity. Since the wireless sensor network does not need the support of fixed network infrastructure, it has the advantages of easy and rapid deployment, easy expansion, strong anti-destructiveness, and suitable for harsh environments. Disaster relief and many other fields have important research significance and broad application prospects. [0003] Due to the small size of the sensor nodes, the ca...

Claims

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Application Information

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IPC IPC(8): H04W28/08H04W40/10H04W40/20H04W52/02
CPCH04W28/08H04W40/10H04W40/20H04W52/0209Y02D30/70
Inventor 王进牛俊明王凯
Owner YANGZHOU UNIV
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