A communication networking system for underwater wireless sensors based on optical communication

Abstract

The invention discloses an underwater wireless sensor communication networking system based on optical communication, which includes a surface communication platform and an underwater node. The underwater node includes a sensor group, an optical communication component, and a self-power supply module, and the underwater node collects data. Information and communication are transmitted to the surface communication platform. The networking system also includes an underwater vehicle. The vehicle is also equipped with optical communication components and sensor groups. The data transmission between the vehicle and the underwater node greatly expands Compared with the traditional optical communication networking method of this application, it is more flexible and free from the shackles of cables, and has a lower bit error rate and a higher rate, thereby providing more intuitive, accurate and rich underwater information. Larger bandwidth is also conducive to the development of big data transmission. It can also regularly clean the optical communication probe and detection probe, so as to prevent algae or microorganisms from covering the optical communication probe and detection probe, improve detection effectiveness and ensure normal communication.

Description

technical field [0001] The invention relates to the technical field of underwater signal transmission, in particular to an optical communication-based underwater wireless sensor communication networking system. Background technique [0002] The ocean is an important natural resource, and changes in its state will significantly affect the surrounding environment. The study of the ocean environment is of great significance for offshore exploration, pre-stress of marine disasters, and marine military. Sensor detection is an important marine environment detection tool. Obviously, in order to be able to obtain relevant data in real time or at regular intervals, online data acquisition or regular transmission of data acquisition methods are essential. Due to the particularity of the ocean situation, not only the data detection of the ocean surface, but also the data detection of the deep water layer is required. The traditional data transmission methods include electromagnetic w...

AI Technical Summary

Problems solved by technology

The traditional data transmission methods include electromagnetic wave, acoustic communication and wired communication. Due to the large absorption of electromagnetic waves by water bodies, the transmission under water is extremely short and not suitable for communication in water environment, while the application of acoustic communication under water may be affected. The refraction of the medium layer in the seawater and the multipath effect of the reflection of the sea surface and the seabed cause confusion in data transmission; and the bandwidth of acoustic communication is limited, and expanding the bandwidth by increasing the frequency will increase the loss of sound waves

Communication through wired means transmission through point-to-point, and there is a large amount of wiring; the data range of point-to-point communication is affected; the existence of cables in the ocean will affect the surrounding environment

[0003] Optical communication has many advantages such as low waiting time, high bandwidth, low energy consumption, and one-to-many, and is very suitable for communication networking activities of underwater sensors. The seawater environment is particularly easy to attach seaweed or other organisms, and long-term use will cause certain interference to communication and detection

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