Method and system for transmitting information through dynamic two-dimensional image information

A two-dimensional image and information transmission technology, applied in the field of visible light communication, can solve the problems of low information transmission efficiency and small information transmission volume, and achieve the effect of improving information transmission volume and transmission speed

Active Publication Date: 2014-08-13
THE PLA INFORMATION ENG UNIV
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Problems solved by technology

[0004] However, visible light communication is limited by the modulation bandwidth of LED light-emitting devices. When a single LED light-emitting device performs optical communication, the amount of information transmitted is small and the information transmission efficiency is low.

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  • Method and system for transmitting information through dynamic two-dimensional image information
  • Method and system for transmitting information through dynamic two-dimensional image information
  • Method and system for transmitting information through dynamic two-dimensional image information

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Embodiment Construction

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0042] As mentioned in the background art, how to improve the transmission amount and transmission efficiency of information in the optical communication process is an urgent problem to be solved at present.

[0043] The inventors have discovered that imaging arrays can be used for visible light communication, so that multiple parallel communication space channels can be created, and effective use of these parallel space channels for data transmission can incre...

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Abstract

The invention discloses a method and system for transmitting information through dynamic two-dimensional image information. The method includes the steps that according to information carrying capacity of each frame of a set imaging array, information to be sent is converted into multi-frame two-dimensional image driving information; the imaging array is controlled to sequentially display multiple frames of two-dimensional images according to the two-dimensional image driving information; the display state of the imaging array is sampled to obtain the two-dimensional images, and the sampling speed is higher than or equal to two times of the frame conversion speed of the two-dimensional images; the two-dimensional images are demodulated, and thus the information to be sent is obtained. Through the technical scheme, the information transmission amount and the transmission speed of visible light communication are increased.

Description

technical field [0001] The present invention relates to the technical field of visible light communication, and more specifically, relates to a method and system for information transmission using dynamic two-dimensional image information. Background technique [0002] Visible light communication is a new type of short-distance high-speed wireless communication technology developed on the basis of light-emitting diode (LED light-emitting device) technology. The basic principle of visible light communication is to use the characteristics of light-emitting diodes to switch faster than fluorescent lamps and incandescent lamps, and to communicate through the high-frequency flickering of the light source of the LED light-emitting device. The light represents 1, and the absence of light represents 0. A high-speed optical signal is sent. Photoelectric conversion to obtain information. [0003] Visible light communication can be used to make wireless optical encryption keys because...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/116G06F13/38
Inventor 张效义朱环宇邬江兴于宏毅刘洛琨张剑朱义君仵国锋田忠骏付红双
Owner THE PLA INFORMATION ENG UNIV
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