Visible light communication vlc is a data communications variant which uses visible light between 400 and 800 thz 780 375 nm.
Indoor positioning system using visible light communication.
When using visible light communication it becomes possible to identify the user s position within a range of 1 2m.
Theoretical accuracy analysis of indoor visible light communication positioning system based on received signal strength indicator abstract.
The performance of the positioning system is determined by the layout of leds the receiver circuit incidence angle of light.
A highly accurate indoor positioning under the effect of multipath reflections has been a prominent challenge for recent research.
Moreover visible light communications technology enables users to find out which floor they are located on.
Indoor visible light communication positioning system using a rf carrier allocation technique j ournal of lightwave technology vol.
This paper proposes a novel indoor visible light communication vlc positioning model by connecting k nearest neighbors knn and random forest rf algorithms for reflective environments namely knn rf.
Time difference of arrival between anchor points and tags is estimated by means of positioning reference signals embedded into the orthogonal frequency division multi plexing ofdm based visible light.
The indoor positioning system by visible light com munication wireless.
1 1 visible light communication vlc based indoor positioning system ips research on visible light communication vlc was begun about 10 years ago according to the published date of tanaka et al.
In this paper a typical led arrangement design using 9 3x3 led array in an indoor positioning system ips based on visible light communication vlc is introduced.
Moreover the majority of visible light positioning.
Vlc is a subset of optical wireless communications technologies.
But unfortunately in the matter of algorithm complexity and positioning accuracy most existing vlc based systems fail to deliver satisfactory performance.
Communication technology using led lights.
During that time the research on vlc was not popular mainly because of the high production cost of led.
This paper analyzes an indoor positioning system using white lighting leds.
Abstract a novel indoor positioning approach using entities of the visible light communication system as anchor points and tags is presented.
Recently visible light communication vlc has gradually become a research hotspot in indoor environments because its advantages of illumination and relative high positioning accuracy.