visible light communicatiom
The Eighth International Conference on Electronic Measurement and Instruments
ICEMI’2007
An Optimal Lights Layout Scheme for Visible-Light
Communication System
Ding Deqiang1,2 Ke Xizheng1 Xu Linpeng3
1. Automation & Information School of Xi’an University of Technology, Xi’an, 710048 ,China
(2. Xi’an Communication College,Xi 'an 710106, China)
(3. Avic I Xi’an Flight Automatic Control Reaearch Institute, Xi’an, 710048, China)
Abstract: The visible-light communication is a novel kind of optical wireless communication utilizing the white LEDs. As compared with infrared indoor communication this system has high radiation power to enable high quality of service for the light is “visible”. Generally, there are several plural lights installed in a room for sufficiently illuminating. So the layout of lights determining the distribution of received power is a key problem affecting
the
performance
of
visible
light
communication system. In this paper, the relation between the layout of lights and received power is studied and a best scheme is proposed to solve the design of lights layout, which
human body and electronic devices. So the visible-light communication system will expect as indoor wireless communication of next generation and also draws much attention [1][2].
A basic visible-light communication system is illustrated in Fig. 1. In this system there are two kinds of lighting device. One used in optical down-link is composed of many plural white LEDs, generally which has a large superficial area and a wide angle of irradiance. Another lighting device used in optical up-link is composed of several white LEDs. It has a
White LEDs
is identified by simulation.
Keywords: Visible-light communication; White LED; Lighs
PD
Ceiling
Transmitter
PD
layout
1
Up Link
Introduction
Down Link
Up Link
Terminal
Terminal
White LED is characteristic of low power consumption, long life
ICEMI’2007
An Optimal Lights Layout Scheme for Visible-Light
Communication System
Ding Deqiang1,2 Ke Xizheng1 Xu Linpeng3
1. Automation & Information School of Xi’an University of Technology, Xi’an, 710048 ,China
(2. Xi’an Communication College,Xi 'an 710106, China)
(3. Avic I Xi’an Flight Automatic Control Reaearch Institute, Xi’an, 710048, China)
Abstract: The visible-light communication is a novel kind of optical wireless communication utilizing the white LEDs. As compared with infrared indoor communication this system has high radiation power to enable high quality of service for the light is “visible”. Generally, there are several plural lights installed in a room for sufficiently illuminating. So the layout of lights determining the distribution of received power is a key problem affecting
the
performance
of
visible
light
communication system. In this paper, the relation between the layout of lights and received power is studied and a best scheme is proposed to solve the design of lights layout, which
human body and electronic devices. So the visible-light communication system will expect as indoor wireless communication of next generation and also draws much attention [1][2].
A basic visible-light communication system is illustrated in Fig. 1. In this system there are two kinds of lighting device. One used in optical down-link is composed of many plural white LEDs, generally which has a large superficial area and a wide angle of irradiance. Another lighting device used in optical up-link is composed of several white LEDs. It has a
White LEDs
is identified by simulation.
Keywords: Visible-light communication; White LED; Lighs
PD
Ceiling
Transmitter
PD
layout
1
Up Link
Introduction
Down Link
Up Link
Terminal
Terminal
White LED is characteristic of low power consumption, long life
References: Reorganization, Journal Of Zibo University. Vol.3, No 4, 2001 [3]J.R. Barry J.M Kahn. Wireless home link. Wireless infrared communications, 85(2):265–298, 1997. [4]S. Karp R.M Gagliardi. Optical Communications. John Wiley & Sons, New York, 1976. 265-298, 1997.