A Communication System and Holographic Waveguide Antenna Based on Matrix Illumination

A holographic waveguide and matrix technology, which is applied in the parts of lighting devices, lighting devices, lighting and heating equipment, etc., can solve the problems of low light receiving efficiency of visible light communication antennas

Active Publication Date: 2019-11-08
SOUTHEAST UNIV
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  • Abstract
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Problems solved by technology

Based on the above, the receiving light efficiency of the volume holographic grating visible light communication antenna is very low, and its structure needs to be improved to further improve the receiving light efficiency

Method used

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  • A Communication System and Holographic Waveguide Antenna Based on Matrix Illumination
  • A Communication System and Holographic Waveguide Antenna Based on Matrix Illumination
  • A Communication System and Holographic Waveguide Antenna Based on Matrix Illumination

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Embodiment Construction

[0071] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention All modifications of the valence form fall within the scope defined by the appended claims of the present application.

[0072] Such as figure 1 Shown is a visible light communication system based on a matrix lighting system in the present invention, including a matrix lighting and visible light communication terminal, and a holographic waveguide antenna. The matrix lighting and visible light communication terminal are used to illuminate a certain area of ​​indoor environment and perform short-distance wireless communication , the matrix lighting and visible light communication termina...

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Abstract

The invention discloses a communication system and a holographic waveguide antenna based on matrix illumination. The LED divergent light is modulated into parallel light by using a lens array; the direction of the light is controlled at the same time, and the incident angle relationship between the light source and the target plane corresponding to each partition is established; The incident angles of the parallel rays in the regions are all different, and the partition security communication effect can be achieved through the corresponding holographic waveguide antenna. At the same time, the holographic waveguide antenna proposed by the present invention can integrate the optical signal received in the large-area receiving end Rx into the output end Ox through the modulation signal end Mx through a holographic waveguide structure, thereby realizing the effect of enhancing the received signal.

Description

technical field [0001] The invention relates to a holographic waveguide antenna of a communication lighting system based on matrix lighting, belonging to the field of short-distance visible light communication. Background technique [0002] At present, intelligent lighting technology is slowly entering the modern office lighting system. Intelligent lighting technology includes partition matrix lighting technology, intelligent light mixing, and timing switch functions. It can even transmit information by controlling the light-emitting frequency of LEDs to achieve short-distance communication. Visible light communication has the advantage of realizing secure communication, while the light emitted by conventional lighting systems (LED lamp tubes, LED bulbs, etc.) has a certain divergence angle (LED divergence angle is about 120 degrees), so it can ensure that it can illuminate all indoor areas. Therefore, the security effect of indoor short-distance visible light communication ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21K9/69F21V5/04H05B33/08F21Y115/10F21Y115/15H05B44/00
CPCF21V5/04H05B45/00
Inventor 张宇宁沈忠文王萍翁一士刘奡
Owner SOUTHEAST UNIV
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