In wireless communications, accurate and tractable channel modeling is critical to evaluating the performance of the system. In this paper, we propose a new multiple-input multiple-output (MIMO) channel modeling technique for link level simulations. By utilizing wave superposition method, we propose a time varying MIMO channel in which the motion of antenna array can be characterized. With proposed channel model, we show that realistic propagation MIMO channel can be modeled and the spatial and temporal spread of MIMO channels are well modeled as well. Since the proposed model is applicable to any array geometry, the model can be applied to system simulations for MIMO as well as other adaptive antenna applications. For model verification, we present computer simulation result.
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