Abstract
Nowadays, in the field of communications systems radio transmission frequencies are dominant inside buildings. Due to the increasing of large number of users and devices, that use these frequencies, there is danger of accruing interferences and reducing the transmission performance. Therefore, indoor wireless optical systems are beginning to use as an alternative solution. Indoor wireless optical systems can use for communication direct and reflected light rays. This article deals with the measurement of optical power distribution in the model dark room. As a light source we use white power LEDs located on the ceiling of the room. The measurement of the optical power distribution was performed in dark room, which was specially constructed for this purpose. This room was also modelled in LightTools software that allows simulate a real measurement. This article compares the results of the measurement and the simulation.
Published Version
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