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System and method for switching visible light communication and WIFI communication

A technology for visible light communication and switching systems, which is applied in the field of switching systems between visible light communication and WIFI communication, and can solve problems such as the failure of the system to operate normally, and achieve the effects of convenient development, simple and reasonable structure, and simple structure

Inactive Publication Date: 2017-07-14
THE PLA INFORMATION ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the WIFI access controller in the system only receives the signal of the second visible light transceiver module, once the communication between the first visible light transceiver module and the second visible light transceiver module is abnormal, the system cannot operate normally

Method used

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  • System and method for switching visible light communication and WIFI communication
  • System and method for switching visible light communication and WIFI communication
  • System and method for switching visible light communication and WIFI communication

Examples

Experimental program
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Embodiment 1

[0058] Please refer to figure 1 , Embodiment 1 of the present invention is:

[0059] A switching system for visible light communication and WIFI communication, comprising a visible light receiving module 1, a carrier communication module 2, a WIFI communication module 3, a current detection circuit 4, and a comparator 5, the visible light receiving module 1 and the carrier communication module 2 are electrically connected, the carrier communication module 2 is electrically connected to the WIFI communication module 3, the current detection circuit 4 is used to detect the current of the visible light receiving module 1, and the current detection circuit 4 is electrically connected to the comparator 5 , the comparator 5 is electrically connected to the carrier communication module 2, and the WIFI communication module 3 is also connected to the external user equipment 11; the current detection circuit 4 detects the current of the visible light receiving module 1 in a contact type...

Embodiment 2

[0060] Please refer to figure 2 , the second embodiment of the present invention is:

[0061] A switching system for visible light communication and WIFI communication, on the basis of the first embodiment, further includes an MCU6, and the comparator 5 is electrically connected to the carrier communication module 2 through the MCU6.

Embodiment 3

[0062] Please refer to Figure 3 to Figure 4 , Embodiment three of the present invention is:

[0063] A switching system for visible light communication and WIFI communication, on the basis of the first embodiment, further includes at least one external WIFI communication module 10, a signal injection circuit 8, an LED power supply line 9, and an LED lamp 7. The carrier communication module 2 Including a carrier communication chip 21 and a band-pass filter circuit 22, the band-pass filter circuit 22 is electrically connected to the visible light receiving module 1, and is also electrically connected to the carrier communication chip 21, and the carrier communication chip 21 is connected to the WIFI The communication module 3 is electrically connected, and the comparator 5 is electrically connected with the carrier communication chip 21; the external WIFI communication module 10 is connected with the WIFI communication module 3; the signal injection circuit 8 includes an input ...

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Abstract

The invention provides a system and method for switching visible light communication and WIFI communication. The system comprises a visible light receiving module, a carrier communication module, a WIFI communication module, a current detection circuit and a comparator, wherein the visible light receiving module is electrically connected with the carrier communication module, the carrier communication module is electrically connected with the WIFI communication module, the current detection circuit is used for detecting the current of the visible light receiving module, the current detection circuit is electrically connected with the comparator, the comparator is electrically connected with the carrier communication module, and the WIFI communication module is also connected with external user equipment and an external WIFI communication module; and the mode that the current detection circuit detects the current of the visible light receiving module is a contact mode or a non-contact mode. According to the system and method provided by the invention, the automatic switching between visible light communication and WIFI communication can be achieved.

Description

technical field [0001] The present invention relates to the technical field of visible light communication, in particular to a switching system and method for visible light communication and WIFI communication. Background technique [0002] There is only one data channel in the existing visible light receiving module and WIFI communication module fusion system. Once the visible light communication is abnormal, the system will not be able to communicate normally. For example, the Chinese invention patent with the publication number CN104618019A discloses a visible light communication based WIFI access system and data frame conversion method, including optical-Ethernet adapter and optical-WIFI router, the Ethernet access controller is connected to the Internet, and the Ethernet access controller is also connected to the The first visible light transceiver module, the optical-WIFI router includes a WIFI access controller and a second visible light transceiver module, and the se...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04B10/116H04B10/079H04W84/12
CPCH04B10/116H04B10/0795H04L41/0663H04W84/12
Inventor 仵国锋张剑朱义君田忠骏王超
Owner THE PLA INFORMATION ENG UNIV