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Multistage transmission strategy generation method based on underwater wireless sensor network

A wireless sensor and transmission strategy technology, applied in wireless communication, network topology, network traffic/resource management, etc., can solve the problems of high data transmission delay, unanalyzed data value, balance network energy consumption, and short network life. The effect of reducing data transmission delay and improving data delay requirements

Active Publication Date: 2020-04-10
TIANJIN UNIV
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  • Application Information

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Problems solved by technology

However, it does not analyze the value of data and balance the energy consumption of the network; thus leading to the problem of high transmission delay of some important data and short network life

Method used

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  • Multistage transmission strategy generation method based on underwater wireless sensor network
  • Multistage transmission strategy generation method based on underwater wireless sensor network
  • Multistage transmission strategy generation method based on underwater wireless sensor network

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Embodiment Construction

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the illustrations in the embodiments of the invention, but it should be understood that the scope of protection of the present invention is not limited by the specific embodiments.

[0022] Such as figure 1 As shown, the present invention provides a method for generating a multi-level transmission strategy based on an underwater wireless sensor network, including the following steps:

[0023] Step 1: The converging node (sink node) located on the water surface generates a gradient package (GEF package), which contains the gradient G of the sink node s = 0 and coordinate information of sink. Then send the packet to its neighbor nodes.

[0024] The neighbor nodes of the sink node are the nodes that have a direct connection link with the sink node in the network topology.

[0025] Step 2: If an underwater node n i After receiving the GE...

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Abstract

The invention discloses a multistage transmission strategy generation method based on an underwater wireless sensor network. The multistage transmission strategy generation method comprises the following steps: an underwater network gradient field is established through gradient packets generated by aggregation nodes on the water surface; the water surface aggregation node generates a gradient packet GEF (Nr) and transmits the gradient packet GEF (Nr) to the neighbor node; the underwater nodes calculate own gradients and corresponding node sets according to the received gradient packet information; iteration is sequentially carried out; and whether all underwater nodes obtain own gradients or not is judged; then, the aggregation nodes on the water surface generate a frequency band allocation packet ADV-B and send the packet to a neighbor node; the underwater nodes calculate and allocate own frequency band according to the frequency band allocation packet ADV-B; the underwater nodes generate and send a frequency band allocation packet to the neighbor node; iteration is sequentially carried out; and whether all underwater nodes complete frequency band allocation or not is judged. Data transmission paths can be distributed, and the network performance is improved while the requirement of marine application for data delay is met.

Description

technical field [0001] The invention mainly relates to the technical field of underwater wireless sensor networks, in particular to a method for generating multi-level transmission strategies based on underwater wireless sensor networks. Background technique [0002] As a convenient tool for understanding and understanding the ocean, the underwater wireless sensor network can enable people to obtain more ocean information, improve the ability to monitor and predict the ocean environment, and help people deal with ocean emergencies. It has a wide range of applications, such as marine information collection, environmental monitoring, deep-sea exploration, disaster prediction, auxiliary navigation, distributed tactical monitoring, etc. [0003] As the types of marine applications continue to increase, the transmission capacity of ordinary underwater sensor networks cannot meet the needs of various marine applications for different data transmission and distribution. Underwater...

Claims

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Application Information

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IPC IPC(8): H04W28/02H04W40/10H04W84/18
CPCH04W40/10H04W28/0236H04W84/18
Inventor 刘春凤赵昭曲雯毓李少南
Owner TIANJIN UNIV
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