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Organism-friendly directional underwater network routing method

A biological and network technology, applied in the field of biological-friendly directional routing in cognitive underwater acoustic networks, can solve problems such as poor routing connectivity in underwater networks, and achieve the goal of improving communication efficiency and quality, improving effective throughput, and achieving efficient transmission. Effect

Inactive Publication Date: 2016-10-26
TIANJIN UNIV
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AI Technical Summary

Problems solved by technology

The resulting poor connectivity of underwater network routing is an important challenge for underwater network routing algorithms
However, there is almost no consideration of this aspect in the existing routing methods of underwater acoustic sensor networks.

Method used

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  • Organism-friendly directional underwater network routing method
  • Organism-friendly directional underwater network routing method
  • Organism-friendly directional underwater network routing method

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Embodiment Construction

[0019] Detailed reference is now provided to the practice of the present invention. The following embodiments will be described in order to explain the present invention by referring to the figures.

[0020] Concrete steps of the present invention are as follows:

[0021] Step 1: Select a 2D underwater acoustic sensor network with a water depth of 200 meters. All sensor nodes in the network can obtain the geographical location information of themselves and neighboring nodes. According to the transmission power range of the source node S, they can be used as the next hop node of the source node The set of nodes composed of neighbor nodes is defined as set E, all the neighbor nodes in the set E are in a circle with S as the center, the distance r from S to the nearest neighboring node A that can receive data packets and the distance from S to the farthest possible The distance R of the adjacent node F receiving the data packet is within the circle W formed by the radius. The s...

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Abstract

The invention relates to an organism-friendly directional underwater network routing method. The method comprises the steps of: establishing a 2D underwater sound sensor network, wherein all sensor nodes in the network can obtain geographical location information of self and neighbor nodes; in a process when a source node S forwards a data packet to a destination node D, if sensing a vector SD<-> passes through an organism-node interference area, requiring to adopt a bypass routing strategy; dividing the 2D underwater sound sensor network into L*L 2D grids, defining a coordinate of each of grid nodes in a 2D grid area, and after determining the organism-node interference area, finding out a coordinate range of the area in the grids; and when forwarding the data packet to a boundary point nearest to the interference area, adopting the bypass routing strategy. According to the organism-friendly directional underwater network routing method related by the invention, the energy consumption of the sensor nodes can be saved; and meanwhile, the harmonious coexistence between an organism and the sensor nodes is realized, and the communication efficiency and quality of the underwater sensor network are improved.

Description

technical field [0001] The invention relates to the technical field of underwater cognitive acoustic communication, in particular to a biologically friendly directional routing method in a cognitive underwater acoustic network. Background technique [0002] The underwater acoustic sensor network is a communication network that can cover a large underwater area and consists of sensor nodes and buoy nodes on the seabed or in the sea and the two-way acoustic links between them. The underwater acoustic sensor network has the characteristics of high delay, dynamic change of delay, high attenuation, low bandwidth, and low channel utilization. It is considered to be by far the most difficult wireless communication channel. The underwater nodes of the underwater channel are powered by batteries, and it is more difficult to replace the batteries. In addition, the energy consumption of nodes sending information is often many times greater than that of receiving information, which put...

Claims

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Application Information

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IPC IPC(8): H04W40/16H04W40/20H04W40/02H04B13/02H04W84/18
CPCH04B13/02H04W40/02H04W40/16H04W40/20H04W84/18Y02D30/70
Inventor 金志刚王健
Owner TIANJIN UNIV
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