Outdoor to Indoor 2x2 Wideband MIMO Channel Modelling

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Executive Summary

This paper presents a stochastic 2x2 MIMO wideband channel modelling method that uses Tapped Delay Lines (TDL) and a single channel spatial correlation matrix that represents a novel simplification with respect to other wideband MIMO models. The resulting models are accurate but also easy to implement and computationally efficient. Using this method, outdoor-indoor channel models are obtained based on a measurements campaign. These models will be very useful in the context of present and future Broadband Fixed Wireless Systems (BFWS), where a great deal of work has been done in recent years in order to develop and standardize new systems incorporating MIMO technology.

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