Some Insights on the Amount of Fading in Radio Channels
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In this work we present an experimental investigation on the amount of fading as a measure of fading severity in radio channels. The presented results are for indoor environments and assume a multi-dimensional ray based model. The amount of fading of Rayleigh channel, which is equal to one, is used as a reference to know if the channel is less or more severely affected than Rayleigh radio channel. For the tested environment, it has been found that placing the antenna of indoor cell at a height close to the pedestrian height leads to less fading than placing it on the ceiling and at this preferred height. The amount of fading for line of sight propagation conditions exhibits higher correlation with coherence time than that corresponding to non-line of sight propagation.