Biology-friendly data transmission method in underwater sensor network

A data transmission method and underwater sensor technology, applied in the field of data transmission

Inactive Publication Date: 2016-05-04
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of the fact that the current underwater sensor network does not consider the possible interference to underwater organisms, the present invention proposes a biologically friendly data transmission method

Method used

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  • Biology-friendly data transmission method in underwater sensor network
  • Biology-friendly data transmission method in underwater sensor network
  • Biology-friendly data transmission method in underwater sensor network

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Embodiment Construction

[0015] According to the communication scene involved in the present invention, it is necessary to establish a plane Cartesian coordinate system to describe the specific content of the invention. The signal sent by the sending node N and the receiving node M can be simplified as a circle with a radius of r in the two-dimensional plane. Now, the line connecting the centers of the two circles is the X-axis, and the vertical bisection of the line connecting the centers of the two circles is The line is the Y axis, and a plane Cartesian coordinate system is established, such as figure 1 shown. Suppose the distance between sending node N and receiving node M is d, then the coordinates of sending node N are The coverage of the emitted signal is the equation The interior and boundary of the corresponding circle; similarly, the coordinates of the receiving node M point are The coverage of the signal it emits is the equation The interior and boundary of the corresponding circle....

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Abstract

The present invention relates to a biology-friendly data transmission method in an underwater sensor network. Sending or receiving nodes in the sensor network need to avoid the interference on aquatic organism around the sending or receiving nodes so as to realize a biology-friendly communication target. The method provided by the invention comprises: the sending or receiving nodes in the sensor network need periodically monitoring channels to detect whether there are provided biological signals or not; when there are provided underwater creatures, the nodes are configured to locate the creatures; when the creatures move in the coverage area of the node signals, the nodes are configured to stop sending and then send again after the creatures are away from the coverage area so as to prevent the normal communication between creatures from manual signal interference. According to the invention, the position of creatures is determined through the sound power of the creature, and the signal sending time of nodes is arranged according to the motion condition of the creature so as to realize the biology-friendly data transmission.

Description

technical field [0001] The invention belongs to the technical field of underwater sensor networks and relates to a data transmission method. Background technique [0002] Underwater sensor network is a research hotspot in the field of wireless communication at present, and its wide application prospect promotes the research of underwater acoustic communication to go deeper. Underwater sensor networks coexist with many other underwater acoustic systems, such as underwater biological systems, sonar systems, offshore oil drilling systems, etc. Among them, the underwater biological system is the most special. The underwater biological system is composed of underwater creatures, such as white dolphins and bottlenose dolphins. Various organisms in underwater biological systems use acoustic signals to communicate, such as population location, group communication, foraging, etc. Unlike the artificial sound system, the underwater biological system is an uncontrolled system, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/02H04W84/18
CPCH04W4/022H04W4/025H04W4/029H04W84/18
Inventor 李雅婧金志刚苏毅珊
Owner TIANJIN UNIV
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