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Wireless sensor network routing protocol based on energy efficiency of mobile sink node

A wireless sensor and aggregation node technology, applied in wireless communication, network topology, energy consumption reduction, etc., can solve problems such as energy holes, uneven distribution of cluster heads, prolonging the life cycle of wireless sensor networks, etc., to reduce data volume and avoid The effect of the energy hole

Inactive Publication Date: 2017-06-09
YANGZHOU UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to propose a method for transmitting data in a wireless sensor network, which overcomes the problems of energy voids and uneven distribution of cluster heads in the prior art, reduces the network traffic load, and greatly prolongs the wireless sensor network. life cycle

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  • Wireless sensor network routing protocol based on energy efficiency of mobile sink node
  • Wireless sensor network routing protocol based on energy efficiency of mobile sink node
  • Wireless sensor network routing protocol based on energy efficiency of mobile sink node

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Embodiment Construction

[0015] It is easy to understand that, according to the technical solution of the present invention, those skilled in the art can imagine various implementations of the present invention for transmitting information in a wireless sensor network without changing the essence of the present invention. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the entirety of the present invention or as a limitation or limitation on the technical solution of the present invention.

[0016] combine figure 1 , the wireless sensor network includes wireless sensors represented by dots. The sensing area of ​​the wireless sensor network is a circular area with a radius of R. The wireless sensor network is divided into five fan-shaped clusters, and each cluster has a The cluster head represented by a triangle, a mobile sink node represented by a five-pointed star is placed on ...

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Abstract

The invention presents a method for transmitting information in a wireless sensor network. The method comprises the following steps: placing a mobile sink node with a fixed moving trajectory on the edge of a sensing region; equally dividing a wireless sensor network into a plurality of clusters, wherein the clusters select their respective cluster heads; connecting the cluster heads into a chain through a greedy algorithm; and selecting the cluster head nearest to the mobile sink node to send data to the mobile sink node. The energy hole phenomenon and uneven distribution of cluster heads in the prior art are overcome. The network traffic load is reduced. The life cycle of the wireless sensor network is extended greatly.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor networks, and in particular relates to a method for transmitting data in a wireless sensor network. Background technique [0002] A wireless sensor network is usually composed of a large number of small and low-cost sensors, and the sensor nodes send the collected information to the sink node through a single-hop or multi-hop mode. These sensor nodes themselves have computing power, storage capacity and communication capacity. Wireless sensor networks are widely used, for example, environmental monitoring, smart home, smart medical care and so on. However, due to the particularity of the application environment, it is difficult to replace the battery for each wireless sensor, so the life cycle of the wireless sensor network will be limited by energy. How to use the limited energy resources of each sensor node and adopt an efficient data transmission method to balance energy consumption a...

Claims

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Application Information

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IPC IPC(8): H04W40/10H04W84/18
CPCH04W40/10H04W84/18Y02D30/00Y02D30/70
Inventor 王进曹佳溢曹溢泉周峰李斌
Owner YANGZHOU UNIV
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