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Simulation of multipath impulse response for indoor wireless optical channels

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5 Author(s)
Barry, J.R. ; Sch. of Electr. Eng., Georgia Inst. of Technol., Atlanta, GA, USA ; Kahn, J.M. ; Krause, W.J. ; Lee, E.A.
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A recursive method for evaluating the impulse response of an indoor free-space optical channel with Lambertian reflectors is presented. The method, which accounts for multiple reflections of any order, enables accurate analysis of the effects of multipath dispersion on high-speed indoor optical communication systems. A simple algorithm for computer implementation of the technique and computer simulation results for both line-of-sight and diffuse transmitter configurations are also presented. In both cases, it is shown that reflections of multiple order are a significant source of intersymbol interference. Experimental measurements of optical multipath, which help verify the accuracy of the simulations, are discussed

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Selected Areas in Communications, IEEE Journal on  (Volume:11 ,  Issue: 3 )