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This letter presents analysis of diffraction over multiple shadowing screens at frequency range of 10–18 GHz. Up to ten pieces of thin metal sheets with dimensions of 130 × 100 cm at variable spacing were used as diffraction screens. The aim of this study is to investigate the total shadowing effect of multiple knife-edge diffractions at frequencies above the legacy cellular systems. The results show...
In this paper we verify the capability of a MIMO over-the-air (OTA) test method to create an appropriate propagation environment in an anechoic chamber. The target is to demonstrate that it is possible to create required characteristics of radio propagation channel inside the chamber. The evaluated propagation characteristics are amplitude distribution of fading coefficients, power delay profile,...
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