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Wireless sensor network routing protocol based on mobile sink node and ant colony optimization

A wireless sensor and convergence node technology, applied in wireless communication, network topology, advanced technology, etc., can solve problems such as energy holes, uneven distribution of cluster heads, prolong the life cycle of wireless sensor networks, etc., to alleviate network delay, avoid Long-distance transmission, avoiding the effect of energy hole phenomenon

Inactive Publication Date: 2017-07-07
YANGZHOU UNIV
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Problems solved by technology

[0006] 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 holes, uneven distribution of cluster heads, and network delay in the prior art, reduces network traffic load, and greatly prolongs The Life Cycle of a Wireless Sensor Network

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  • Wireless sensor network routing protocol based on mobile sink node and ant colony optimization
  • Wireless sensor network routing protocol based on mobile sink node and ant colony optimization
  • Wireless sensor network routing protocol based on mobile sink node and ant colony optimization

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Embodiment Construction

[0014] 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.

[0015] combine figure 1 , the wireless sensor network includes wireless sensors represented by dots, triangles represent cluster heads, and a mobile sink represented by a five-pointed star is placed on the edge of the sensing area.

[0016] For the scheme of static sink nodes, the energy consumption of sensors close to the sink node will be much greater than that of sensors far away from the...

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Abstract

The invention provides a wireless sensor network routing protocol based on a mobile sink node and ant colony optimization. The mobile sink node is placed on the edge of a sensing area of the wireless sensor network; the sensing area of the wireless sensor network is divided into a plurality of equal parts and each part is a cluster set; a cluster head is determined in each cluster set, other wireless sensor nodes in the cluster set send information to the cluster head, and the cluster head integrates the information in the cluster set; and the mobile sink node finds the optimum path of accessing each cluster head according to the ant colony optimization and then accesses each cluster head in sequence. According to the protocol, the problems of energy holes, non-uniform cluster head distribution and network delay in the prior art are overcome, network traffic loads are mitigated, and a life cycle of the wireless sensor network is greatly prolonged.

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] Wireless Sensor Networks (WSN) are 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 multiple hops. 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 consumpt...

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Application Information

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IPC IPC(8): H04W40/02H04W84/18
CPCH04W40/02H04W84/18Y02D30/70
Inventor 王进曹佳溢曹溢泉周峰李斌
Owner YANGZHOU UNIV
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