Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A visible light communication method, sending device and system

A technology of visible light communication and sending device, which is applied in the field of communication, can solve the problems of difficult control of time synchronization and high requirements of visible light communication system, and achieve the effect of reducing the requirement of time synchronization

Active Publication Date: 2018-10-19
THE PLA INFORMATION ENG UNIV
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the existing visible light communication method, it is necessary to capture a complete image frame every time in order to demodulate a complete piece of information carried by the image frame from a complete image frame, which requires the shooting of the image frame The device and the display device ensure strict time synchronization, so that the image frame can be captured just when the display device displays a complete image frame, and this time synchronization is difficult to control, so this time synchronization has higher requirements for the visible light communication system. high

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A visible light communication method, sending device and system
  • A visible light communication method, sending device and system
  • A visible light communication method, sending device and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not 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.

[0046] The purpose of the present invention is to realize the communication based on the visible light signal of the image by designing the way of visual image bearing information and imaging detection, and can effectively reduce the receiving end's requirements for time synchronization, image frame synchronization and space synchr...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a visible light communication method, sending device, receiving device and system. A sending end for visible light communication enables transmitted communication information to be modulated line by line to an original image signal to generate modulation image signals, and the modulation image signals are displayed in a line-by-line scanning manner; and a receiving end for visible light communication collects the modulation image signals, scans the modulation image signals line by line and demodulates the communication information in the modulation image signals. According to the technical scheme, the transmitted communication information is modulated to the original image signal line by line to generate the modulation image signals, and then, the modulation image signals are displayed in a line-by-line scanning manner, so that when the transmitted communication information is demodulated, the transmitted communication information of the lines can be demodulated as long as the lines in the modulation image signals are collected without capturing a complete image frame, and requirement for time synchronization of the visible light communication system can be reduced.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a visible light communication method, a sending device, a receiving device and a system. Background technique [0002] Wireless communication technology allows users to rely on wireless signals to communicate without the need to arrange complex signal transmission lines. It is more and more widely used in daily life due to its convenience and quickness. With the increasingly serious problems of network frequency band resources, network interference, and network leaks, users are increasingly demanding wireless communication technologies that can overcome the above problems. Visible Light Communication (VLC) is one of them. . Visible light communication technology is a wireless communication technology that uses visible light as an information carrier and uses high-speed modulated light wave signals to transmit information. [0003] Existing visible light com...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/40H04N5/455
CPCH04B10/116H04B10/516H04B10/60
Inventor 沈智翔张效义唐燕群于宏毅胡赟鹏姚祥文沈彩耀
Owner THE PLA INFORMATION ENG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com