Jupeng Ding

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In this paper, an evolutionary algorithm based optimization scheme is proposed to realize uniform received power and illumination distribution on the communication floor for fully diffuse indoor visible light communication. Simulation results show that in three distributed lighting configurations, by dynamically modifying the relative optical intensity of(More)
For convenience of analysis, empirical transmitter simplification is often introduced into visible light communication (VLC) channel modeling. This simplification induced impact on channel characteristics needs to be comprehensively evaluated. This paper addresses the applicability of this simplification. Six transmitter configurations with increasing(More)
Reflection paths, for easier analysis, are usually neglected in dual functional performance estimation of visible light communication (VLC) systems. In this paper, the impact of reflection paths on channel frequency response and general illumination is investigated systematically through mathematical modeling and quantitative simulation. Numerical results(More)
Indoor visible light communication (VLC) techniques are expected to utilize LED based infrastructure to provide data transmission and general illuminance. To ensure full coverage of a lighting area, multiple LED lamps must be employed. Each lamp consists of an array of LEDs. In typical VLC channel modeling, each array is usually treated as a single point(More)
Channel modeling is a vital issue in visible light communications (VLC) system design. Up to now, at least four channel modeling schemes are widely utilized in analysis of VLC multipath transmission characteristic, i.e. the line-of-sight (LOS), single reflection, multiple reflections and integrating-sphere (IS) modeling schemes, which contain obviously(More)
White light emitting diode (LED) is viewed as the new generation green solid state lighting (SSL) source by academia and industry based on its charming advantages, such as high brightness, low cost, steadily improved power efficiency and etc. Visible light communication based on white LED which aims to realize lighting and data transmission simultaneously(More)
Visible light wireless access (VLWA) technique based on environment friendly illuminance is in progress. To the best of our knowledge, the efficient modeling of corresponding indoor channel including sophisticated reflection has not been proposed. In this paper, a rigorous and efficient channel modeling scheme, named independent reflection interaction(More)
The non-line-of-sight visible light communications (VLC) is investigated via both the integrating sphere model and the cuboid model, which can significantly improve the VLC mobility. The influences of geometric configurations of the LED light source on the received signal intensity and corresponding impulse broadening are analyzed via ray-tracing Monte(More)
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