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The authors present an improved model for outdoor MIMO wireless channels and its spatial fading correlation and capacity performances. The proposed model is more representative than the traditional independently and identically distributed (i.i.d) model by considering the remote scatterers on top of the "One-ring" model. They consider both local and remote scatterers with respect to the receiver for modeling the urban macrocellular wireless environment. The channel capacity for a given structure of scatterers and a set of physical parameters including the antenna pattern and propagation loss has been investigated.
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