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Wireless communication method and system based on visible light colors

A wireless communication system and wireless communication technology are applied in the field of visible light color-based wireless communication methods and systems, and achieve the effects of easy implementation, simple operation and improved confidentiality.

Inactive Publication Date: 2016-01-06
TIANJIN PTGOSN TECH CO LTD
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Problems solved by technology

The current infrared communication is mainly realized based on the change of pulse width. Due to problems such as reflection, the problem of mutual interference is also unavoidable.

Method used

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  • Wireless communication method and system based on visible light colors
  • Wireless communication method and system based on visible light colors

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Embodiment Construction

[0035] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0036] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0037] The present invention is a wireless communication method based on the color of visible light, such as figure 1 , 2 shown, including the following steps:

[0038] Step 1. Divide the bytes to be sent into three parts of 3bit-3bit-2bit, corresponding to the three color channels of red, green and blue respectively;

[0039] Step 2, encoding the bit data corresponding to the three color channels, and encoding the bit data of each color channel into corresponding intensity data;

[0040] The encoding process is the process of looking up Table 1. Table 1 is a table corresponding to the established intensity data and bit data. In Table 1, the intensity of the red channel and the green ...

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Abstract

The invention provides a wireless communication method based on visible light colors. The wireless communication method comprises the following steps: 1) dividing a byte to be sent into three parts according to a bit number to respectively correspond to three color channels of red, green and blue; 2) encoding the bit data of the corresponding three color channels to corresponding intensity data; 3) calculating the brightness and color of emergent light according to the intensity values of the three color channels, and driving a luminescent device to emit light; 4) after receiving the visible light emitted by the luminescent device, dividing three colors of red, green and blue through an optical filter, receiving the light through intensity measurement devices of the three color channels respectively, and quantifying the light into respective intensity data values; 5) restoring the intensity data of each color channel into the bit data represented per se through a data decoding unit; and 6) synthesizing the decoded bit data into a byte. The communication method provided by the invention has the advantages of overcoming the mutual interference in multi-device communication, being capable of achieving point-to-point communication under a wireless condition, and improving the confidentiality of communication.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a wireless communication method and system based on the color of visible light. Background technique [0002] In the field of wireless communication, commonly used transmission carriers include radio waves and infrared waves. Radio waves are widely used in the field of communication, and infrared communication is widely used in the field of home appliance control. Due to the shortage of radio frequency spectrum resources, the state strictly controls them, and the few available public frequency bands are used by a large number of private equipment, and the mutual interference is relatively serious. However, the current infrared communication is mainly realized based on the change of the pulse width. Due to problems such as reflection, the problem of mutual interference is also unavoidable. Contents of the invention [0003] In view of this, the prese...

Claims

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Application Information

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IPC IPC(8): H04B10/116
Inventor 孙贞文闻海忠
Owner TIANJIN PTGOSN TECH CO LTD
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