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Visible light communication vlc related equipment and method

A technology for visible light communication and wireless communication equipment, applied in the field of communication, can solve the problems of low transmission efficiency, difficulty in realizing two-way communication, and restricting the application of visible light communication, and achieve the effect of realizing two-way data transmission

Active Publication Date: 2019-04-16
HUAWEI TECH CO LTD
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Problems solved by technology

[0005] In actual scenarios, visible light can be used to transmit downlink (DownLink, DL) data to users. Since visible light transmission has problems such as high transmission power consumption and low transmission efficiency, it is difficult to transmit data on user equipment (User Equipment, UE) such as mobile phones. , it is not suitable to use visible light to send data, so that the terminal can only receive visible light data, and cannot feed back data to the VLC device. Two-way communication is difficult to achieve, which limits the application of visible light communication

Method used

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  • Visible light communication vlc related equipment and method
  • Visible light communication vlc related equipment and method
  • Visible light communication vlc related equipment and method

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Embodiment Construction

[0078] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. 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.

[0079] The core idea of ​​the present invention is: after the terminal receives the data packet transmitted by the visible light communication device through the visible light link, the terminal feeds back the receiving situation to the visible light communication device through its own wireless communication function other than visible light communication, thereby realizing two-way data transmission .

[0080] In the first embodiment o...

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Abstract

A visible light communications VLC related device and method is presented. In embodiments in which a terminal can receive only visible light data, the terminal can feed back data to a VLC device, thereby implementing bidirectional data transmission. In the method, the terminal feeds back uplink data to the visible light communications device using a wireless communication signal, to implement bidirectional data transmission in a visible light communication scenario.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a device and method related to visible light communication (VLC). Background technique [0002] The so-called visible light communication (Visible Light Communication, VLC) is a communication method that uses visible light for communication and data transmission, and can achieve a data transmission rate of up to 1 Gbps. Visible light communication technology can make full use of lights to provide high-speed data transmission while lighting. The current practical visible light communication is mainly based on white light for communication, for example, a light emitting diode (Light Emitting Diode, LED) emits white light. It is estimated that by 2021, LEDs will occupy more than 50% of the global commercial lighting market. Therefore, visible light communication will move from laboratories to commercial products and enter a period of rapid development, with very bro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/116
CPCH04B10/116H04L5/0055
Inventor 戎璐
Owner HUAWEI TECH CO LTD
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