Underwater wireless red light communication device and method

A communication device, red light technology, applied in the direction of electromagnetic wave transmission system, electromagnetic transmitter, short-distance system, etc., can solve the problems of complex underwater RF communication design, large scattering, limited bandwidth, etc., to improve communication speed and reliability sexual effect

Inactive Publication Date: 2016-04-27
ZHEJIANG UNIV
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Problems solved by technology

Acoustic communication technology has a large delay and limited bandwidth, and it is difficult to meet the current communication needs
The design of underwater RF communication is complex, the performance is easily affected by the underwater environment, and the anti-interference ability is poor
Existing underwater wireless optical communication systems mostly use blue or green light sources to generate signal carriers for communication. This underwater communication method shows advantages in bandwidth, anti-interference ability, and security, but the light source of this wavelength is not as good as red The light source technology is mature, and the scattering is large in turbid water

Method used

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  • Underwater wireless red light communication device and method
  • Underwater wireless red light communication device and method
  • Underwater wireless red light communication device and method

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0023] Such as figure 1 The shown underwater wireless red-light communication device includes an underwater vehicle red-light communication device 1 and an underwater sensor red-light communication device 2, which can use seawater channels to form an underwater wireless red-light communication system.

[0024] Such as figure 2 As shown, the underwater vehicle red light communication device 1 includes an ARM processor 10, a bias drive module A11, a red LED array A12, a transmitting end lens group A13, a receiving end optical concentrator A14, a photodetector A15, a filter amplifier Module A16; lens group A13 at the transmitting end, red LED array A12, bias drive module A11, and ARM processor 10 are connected in sequence, and optical concentrator A14 at the receiving end, photodetector A15, filter amplification module A16, and ARM processor 10 a...

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Abstract

The invention relates to the underwater communication field and discloses an underwater wireless red light communication device and a method. The underwater wireless red light communication device comprises an underwater vehicle red light communication device and an underwater sensor red light communication device and can utilize a sea water channel to construct an underwater wireless red light communication system. The underwater wireless red light communication device overcomes the problem that current water sound communication has low broadband and poor reliability, the RF communication design is complicated and the stability is poor, which greatly improves the communication speed and reliability of the current underwater wireless light communication, and provides the strong communication support to the underwater detection and the underwater observation network development.

Description

technical field [0001] The invention relates to the field of underwater wireless communication, in particular to an underwater wireless red light communication device and a method thereof. Background technique [0002] With the continuous development of my country's marine industry, more and more underwater sensor networks, underwater vehicles, and underwater robots are involved in marine scientific research and resource development. For underwater image acquisition, underwater optical observation or underwater environment monitoring, the underwater vehicle collects image and video information underwater and needs to transmit the information data to the boat; the underwater vehicle dives into the water It is usually necessary to receive the data collected by underwater sensors; when the underwater robot dives underwater to charge the underwater observation equipment without contact, communication control is required. The various scientific research scenarios mentioned above...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B13/02H04B10/116H04B10/50
CPCH04B13/02H04B10/116H04B10/502
Inventor 徐敬孙斌孔美巍余翔宇吕伟超韩军
Owner ZHEJIANG UNIV
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